Climate Change in Clam Gulch, Alaska

83+ years of recorded temperature data show Clam Gulch is warming.

Based on our analysis of 83 years of temperature data near Clam Gulch, AK, this area shows a warming trend of approximately +0.5°F per decade. 9 of the last 10 years recorded above-average temperatures, and 2016 was the warmest year on record at +5.7°F above the historical baseline.

Key Climate Facts

Rate of Change

+0.5°F

per decade

Warmest Year

2016

+5.7°F anomaly

Recent Warm Years

9 / 10

above-average years

Decade Shift

+1.7°F

2020s vs 1940s

Compared to the National Average

Clam Gulch is warming 0.3°F/decade faster than the national average.

National: +0.20°F/decade
Clam Gulch: +0.51°F/decade

Climate Spiral

Each ring represents one year of monthly temperatures. Blue indicates cooler-than-average periods; red indicates warmer. The outward drift over time reveals Clam Gulch's long-term warming trend.

Temperature anomaly spiral for Clam Gulch, Alaska
Climate spiral: monthly temperature anomalies from 83+ years of NOAA records for Clam Gulch, AK.

Warming Stripes

Each vertical stripe represents one year. The color gradient from blue to red shows how annual temperatures have shifted relative to the historical average.

Warming stripes for Clam Gulch, Alaska
Warming stripes: each stripe is one year of average temperature anomaly for Clam Gulch, AK.

Temperature Trend

Annual temperature anomalies plotted over time with a linear regression trend line. The slope of +0.51°F per decade quantifies the rate of change.

Temperature trend chart for Clam Gulch, Alaska
Linear trend: annual temperature anomalies with trend line for Clam Gulch, AK.

Temperature by Decade

1940s
-0.50°F
1950s
-1.50°F
1960s
-0.87°F
1970s
-1.59°F
1980s
+1.10°F
1990s
+0.12°F
2000s
+1.87°F
2010s
+2.62°F
2020s
+1.15°F

Average temperature anomaly per decade relative to the historical baseline period.

Anomaly Scale

-9.7°F Colder Normal +9.2°F Warmer

Color bounds are set to the 5th and 95th percentile of anomalies to avoid outlier washout.

Monthly Temperature Records

Complete monthly temperature record for Clam Gulch, AK. Filter by decade or download as CSV.

Data Sources & Audit

Station
KENAI AIRPORT, AK US
Distance
26.1 mi
Coverage
97.9%
Records
987
Range
1943-01 – 2026-01
Gap-filled
10 from 2 stations
Full Data Audit 997 records
YearMonthTempBaselineAnomalySourceGap
1943Jan6.8°F14.3°F-7.5°USC00504425
1943Feb22.4°F16.3°F+6.0°USC00504425
1943Mar25.4°F23.7°F+1.8°USC00504425
1943Apr35.5°F34.4°F+1.1°USC00504425
1943May44.8°F44.5°F+0.3°USC00504425
1943Jun52.8°F50.7°F+2.1°USC00504425
1943Jul54.5°F55.0°F-0.5°USC00504425
1943Aug50.7°F53.9°F-3.2°USW00026523
1943Sep45.8°F46.8°F-1.0°USW00026523
1943Oct37.5°F34.0°F+3.5°USW00026523
1943Nov29.3°F21.6°F+7.8°USW00026523
1943Dec24.0°F16.3°F+7.7°USW00026523
1944Jan16.2°F14.3°F+1.9°USW00026523
1944Feb27.4°F16.3°F+11.1°USW00026523
1944Mar20.6°F23.7°F-3.0°USW00026523
1944Apr30.6°F34.4°F-3.8°USW00026523
1944May43.8°F44.5°F-0.6°USW00026523
1944Jun50.3°F50.7°F-0.4°USW00026523
1944Jul53.5°F55.0°F-1.4°USW00026523
1944Aug53.7°F53.9°F-0.2°USW00026523
1944Sep47.7°F46.8°F+1.0°USW00026523
1944Oct38.0°F34.0°F+4.0°USW00026523
1944Nov22.8°F21.6°F+1.2°USW00026523
1944Dec18.8°F16.3°F+2.5°USW00026523
1945Jan25.9°F14.3°F+11.6°USW00026523
1945Feb21.5°F16.3°F+5.2°USW00026523
1945Mar23.0°F23.7°F-0.7°USW00026523
1945Apr30.9°F34.4°F-3.6°USW00026523
1945May41.9°F44.5°F-2.6°USW00026523
1945Jun51.8°F50.7°F+1.1°USW00026523
1945Jul56.8°F55.0°F+1.8°USW00026523
1945Aug54.5°F53.9°F+0.6°USW00026523
1945Sep47.0°F46.8°F+0.3°USW00026523
1945Oct36.0°F34.0°F+2.0°USW00026523
1945Nov14.3°F21.6°F-7.2°USW00026523
1945Dec15.2°F16.3°F-1.1°USW00026523
1946Jan17.0°F14.3°F+2.8°USW00026523
1946Feb19.6°F16.3°F+3.2°USW00026523
1946Mar12.9°F23.7°F-10.8°USW00026523
1946Apr31.1°F34.4°F-3.3°USW00026523
1946May42.4°F44.5°F-2.1°USW00026523
1946Jun48.5°F50.7°F-2.3°USW00026523
1946Jul53.7°F55.0°F-1.2°USW00026523
1946Aug51.5°F53.9°F-2.5°USW00026523
1946Sep45.8°F46.8°F-1.0°USW00026523
1946Oct40.0°F34.0°F+6.0°USW00026523
1946Nov18.5°F21.6°F-3.1°USW00026523
1946Dec7.2°F16.3°F-9.0°USW00026523
1947Jan-4.3°F14.3°F-18.5°USW00026523
1947Feb20.8°F16.3°F+4.4°USW00026523
1947Mar30.7°F23.7°F+7.0°USW00026523
1947Apr34.6°F34.4°F+0.2°USW00026523
1947May44.3°F44.5°F-0.2°USW00026523
1947Jun48.5°F50.7°F-2.3°USW00026523
1947Jul53.9°F55.0°F-1.1°USW00026523
1947Aug52.6°F53.9°F-1.3°USW00026523
1947Sep45.4°F46.8°F-1.3°USW00026523
1947Oct36.6°F34.0°F+2.6°USW00026523
1947Nov28.2°F21.6°F+6.6°USW00026523
1947Dec25.6°F16.3°F+9.3°USW00026523
1948Jan19.9°F14.3°F+5.6°USW00026523
1948Feb12.6°F16.3°F-3.8°USW00026523
1948Mar19.7°F23.7°F-3.9°USW00026523
1948Apr28.6°F34.4°F-5.8°USW00026523
1948May43.3°F44.5°F-1.2°USW00026523
1948Jun49.8°F50.7°F-1.0°USW00026523
1948Jul51.9°F55.0°F-3.0°USW00026523
1948Aug50.3°F53.9°F-3.6°USW00026523
1948Sep44.3°F46.8°F-2.5°USW00026523
1948Oct36.6°F34.0°F+2.6°USW00026523
1948Nov15.2°F21.6°F-6.4°USW00026523
1948Dec4.5°F16.3°F-11.8°USW00026523
1949Jan11.9°F14.3°F-2.3°USW00026523
1949Feb4.9°F16.3°F-11.4°USW00026523
1949Mar28.4°F23.7°F+4.7°USW00026523
1949Apr28.7°F34.4°F-5.7°USW00026523
1949May40.9°F44.5°F-3.5°USW00026523
1949Jun47.9°F50.7°F-2.8°USW00026523
1949Jul52.3°F55.0°F-2.7°USW00026523
1949Aug52.6°F53.9°F-1.3°USW00026523
1949Sep48.4°F46.8°F+1.6°USW00026523
1949Oct36.6°F34.0°F+2.6°USW00026523
1949Nov28.5°F21.6°F+7.0°USW00026523
1949Dec3.4°F16.3°F-12.9°USW00026523
1950Jan3.9°F14.3°F-10.3°USW00026523
1950Feb8.6°F16.3°F-7.7°USW00026523
1950Mar27.2°F23.7°F+3.6°USW00026523
1950Apr34.4°F34.4°F+0.0°USW00026523
1950May42.7°F44.5°F-1.8°USW00026523
1950Jun48.2°F50.7°F-2.5°USW00026523
1950Jul52.5°F55.0°F-2.4°USW00026523
1950Aug54.7°F53.9°F+0.8°USW00026523
1950Sep47.6°F46.8°F+0.8°USW00026523
1950Oct33.9°F34.0°F+0.0°USW00026523
1950Nov13.4°F21.6°F-8.2°USW00026523
1950Dec11.0°F16.3°F-5.2°USW00026523
1951Jan5.5°F14.3°F-8.8°USW00026523
1951Feb12.4°F16.3°F-4.0°USW00026523
1951Mar10.7°F23.7°F-13.0°USW00026523
1951Apr35.4°F34.4°F+1.0°USW00026523
1951May43.2°F44.5°F-1.3°USW00026523
1951Jun49.2°F50.7°F-1.5°USW00026523
1951Jul53.7°F55.0°F-1.2°USW00026523
1951Aug54.6°F53.9°F+0.7°USW00026523
1951Sep47.6°F46.8°F+0.8°USW00026523
1951Oct33.1°F34.0°F-0.9°USW00026523
1951Nov25.3°F21.6°F+3.7°USW00026523
1951Dec8.7°F16.3°F-7.5°USW00026523
1952Jan2.1°F14.3°F-12.1°USW00026523
1952Feb19.6°F16.3°F+3.3°USW00026523
1952Mar21.6°F23.7°F-2.1°USW00026523
1952Apr31.2°F34.4°F-3.2°USW00026523
1952May39.9°F44.5°F-4.6°USW00026523
1952Jun47.9°F50.7°F-2.8°USW00026523
1952Jul53.5°F55.0°F-1.4°USW00026523
1952Aug53.4°F53.9°F-0.5°USW00026523
1952Sep46.5°F46.8°F-0.3°USW00026523
1952Oct38.7°F34.0°F+4.7°USW00026523
1952Nov32.6°F21.6°F+11.0°USW00026523
1952Dec20.2°F16.3°F+3.9°USW00026523
1953Jan10.4°F14.3°F-3.8°USW00026523
1953Feb19.5°F16.3°F+3.1°USW00026523
1953Mar20.6°F23.7°F-3.0°USW00026523
1953Apr37.0°F34.4°F+2.5°USW00026523
1953May43.6°F44.5°F-0.9°USW00026523
1953Jun52.8°F50.7°F+2.1°USW00026523
1953Jul55.5°F55.0°F+0.6°USW00026523
1953Aug53.9°F53.9°F+0.0°USW00026523
1953Sep46.5°F46.8°F-0.3°USW00026523
1953Oct33.6°F34.0°F-0.4°USW00026523
1953Nov22.0°F21.6°F+0.4°USW00026523
1953Dec18.1°F16.3°F+1.9°USW00026523
1954Jan8.2°F14.3°F-6.0°USW00026523
1954Feb3.5°F16.3°F-12.9°USW00026523
1954Mar19.8°F23.7°F-3.9°USW00026523
1954Apr30.1°F34.4°F-4.3°USW00026523
1954May44.2°F44.5°F-0.2°USW00026523
1954Jun49.8°F50.7°F-0.9°USW00026523
1954Jul52.5°F55.0°F-2.4°USW00026523
1954Aug52.7°F53.9°F-1.2°USW00026523
1954Sep47.3°F46.8°F+0.5°USW00026523
1954Oct39.2°F34.0°F+5.2°USW00026523
1954Nov29.2°F21.6°F+7.7°USW00026523
1954Dec3.5°F16.3°F-12.7°USW00026523
1955Jan20.8°F14.3°F+6.5°USW00026523
1955Feb14.9°F16.3°F-1.5°USW00026523
1955Mar22.3°F23.7°F-1.4°USW00026523
1955Apr28.6°F34.4°F-5.8°USW00026523
1955May41.8°F44.5°F-2.7°USW00026523
1955Jun47.2°F50.7°F-3.5°USW00026523
1955Jul52.6°F55.0°F-2.3°USW00026523
1955Aug51.2°F53.9°F-2.7°USW00026523
1955Sep45.7°F46.8°F-1.0°USW00026523
1955Oct32.7°F34.0°F-1.3°USW00026523
1955Nov9.9°F21.6°F-11.7°USW00026523
1955Dec6.0°F16.3°F-10.3°USW00026523
1956Jan2.4°F14.3°F-11.9°USW00026523
1956Feb8.1°F16.3°F-8.2°USW00026523
1956Mar17.0°F23.7°F-6.7°USW00026523
1956Apr33.0°F34.4°F-1.5°USW00026523
1956May42.0°F44.5°F-2.4°USW00026523
1956Jun48.2°F50.7°F-2.5°USW00026523
1956Jul52.6°F55.0°F-2.3°USW00026523
1956Aug53.3°F53.9°F-0.6°USW00026523
1956Sep44.2°F46.8°F-2.5°USW00026523
1956Oct28.5°F34.0°F-5.5°USW00026523
1956Nov16.1°F21.6°F-5.5°USW00026523
1956Dec3.8°F16.3°F-12.5°USW00026523
1957Jan11.9°F14.3°F-2.4°USW00026523
1957Feb12.1°F16.3°F-4.2°USW00026523
1957Mar29.6°F23.7°F+5.9°USW00026523
1957Apr35.5°F34.4°F+1.0°USW00026523
1957May44.7°F44.5°F+0.2°USW00026523
1957Jun51.6°F50.7°F+0.9°USW00026523
1957Jul54.4°F55.0°F-0.5°USW00026523
1957Aug55.1°F53.9°F+1.2°USW00026523
1957Sep48.3°F46.8°F+1.5°USW00026523
1957Oct38.6°F34.0°F+4.6°USW00026523
1957Nov34.3°F21.6°F+12.7°USW00026523
1957Dec9.1°F16.3°F-7.2°USW00026523
1958Jan19.3°F14.3°F+5.0°USW00026523
1958Feb22.0°F16.3°F+5.7°USW00026523
1958Mar27.2°F23.7°F+3.6°USW00026523
1958Apr38.2°F34.4°F+3.7°USW00026523
1958May45.1°F44.5°F+0.6°USW00026523
1958Jun51.4°F50.7°F+0.6°USW00026523
1958Jul53.7°F55.0°F-1.2°USW00026523
1958Aug53.8°F53.9°F-0.1°USW00026523
1958Sep44.7°F46.8°F-2.1°USW00026523
1958Oct30.1°F34.0°F-3.8°USW00026523
1958Nov19.7°F21.6°F-1.9°USW00026523
1958Dec16.2°F16.3°F-0.1°USW00026523
1959Jan10.0°F14.3°F-4.2°USW00026523
1959Feb21.4°F16.3°F+5.0°USW00026523
1959Mar12.6°F23.7°F-11.1°USW00026523
1959Apr32.7°F34.4°F-1.7°USW00026523
1959May44.4°F44.5°F-0.1°USW00026523
1959Jun51.4°F50.7°F+0.7°USW00026523
1959Jul53.2°F55.0°F-1.8°USW00026523
1959Aug53.7°F53.9°F-0.2°USW00026523
1959Sep46.8°F46.8°F+0.0°USW00026523
1959Oct33.7°F34.0°F-0.3°USW00026523
1959Nov26.9°F21.6°F+5.4°USW00026523
1959Dec19.0°F16.3°F+2.7°USW00026523
1960Jan18.4°F14.3°F+4.2°USW00026523
1960Feb25.5°F16.3°F+9.2°USW00026523
1960Mar22.4°F23.7°F-1.3°USW00026523
1960Apr31.9°F34.4°F-2.5°USW00026523
1960May45.3°F44.5°F+0.8°USW00026523
1960Jun51.0°F50.7°F+0.3°USW00026523
1960Jul54.7°F55.0°F-0.2°USW00026523
1960Aug52.1°F53.9°F-1.8°USW00026523
1960Sep45.9°F46.8°F-0.9°USW00026523
1960Oct37.4°F34.0°F+3.4°USW00026523
1960Nov20.8°F21.6°F-0.8°USW00026523
1960Dec26.1°F16.3°F+9.8°USW00026523
1961Jan21.3°F14.3°F+7.0°USW00026523
1961Feb16.1°F16.3°F-0.2°USW00026523
1961Mar13.1°F23.7°F-10.6°USW00026523
1961Apr33.9°F34.4°F-0.5°USW00026523
1961May44.2°F44.5°F-0.3°USW00026523
1961Jun50.5°F50.7°F-0.2°USW00026523
1961Jul54.6°F55.0°F-0.4°USW00026523
1961Aug52.2°F53.9°F-1.7°USW00026523
1961Sep47.8°F46.8°F+1.0°USW00026523
1961Oct29.7°F34.0°F-4.3°USW00026523
1961Nov15.9°F21.6°F-5.7°USW00026523
1961Dec1.8°F16.3°F-14.5°USW00026523
1962Jan11.1°F14.3°F-3.1°USW00026523
1962Feb19.7°F16.3°F+3.3°USW00026523
1962Mar17.9°F23.7°F-5.7°USW00026523
1962Apr34.8°F34.4°F+0.3°USW00026523
1962May42.0°F44.5°F-2.5°USW00026523
1962Jun48.9°F50.7°F-1.8°USW00026523
1962Jul53.9°F55.0°F-1.1°USW00026523
1962Aug54.1°F53.9°F+0.2°USW00026523
1962Sep44.0°F46.8°F-2.8°USW00026523
1962Oct36.7°F34.0°F+2.7°USW00026523
1962Nov22.8°F21.6°F+1.2°USW00026523
1962Dec16.8°F16.3°F+0.6°USW00026523
1963Jan19.9°F14.3°F+5.7°USW00026523
1963Feb24.3°F16.3°F+7.9°USW00026523
1963Mar22.6°F23.7°F-1.0°USW00026523
1963Apr30.9°F34.4°F-3.5°USW00026523
1963May44.0°F44.5°F-0.4°USW00026523
1963Jun47.4°F50.7°F-3.3°USW00026523
1963Jul53.3°F55.0°F-1.6°USW00026523
1963Aug54.0°F53.9°F+0.1°USW00026523
1963Sep50.5°F46.8°F+3.8°USW00026523
1963Oct36.6°F34.0°F+2.6°USW00026523
1963Nov12.8°F21.6°F-8.8°USW00026523
1963Dec26.1°F16.3°F+9.8°USW00026523
1964Jan16.3°F14.3°F+2.1°USW00026523
1964Feb18.5°F16.3°F+2.2°USW00026523
1964Mar15.2°F23.7°F-8.5°USW00026523
1964Apr31.0°F34.4°F-3.5°USW00026523
1964May38.4°F44.5°F-6.1°USW00026523
1964Jun50.2°F50.7°F-0.5°USW00026523
1964Jul52.9°F55.0°F-2.1°USW00026523
1964Aug53.0°F53.9°F-1.0°USW00026523
1964Sep47.6°F46.8°F+0.9°USW00026523
1964Oct35.8°F34.0°F+1.8°USW00026523
1964Nov21.3°F21.6°F-0.3°USW00026523
1964Dec-1.1°F16.3°F-17.4°USW00026523
1965Jan11.3°F14.3°F-3.0°USW00026523
1965Feb9.4°F16.3°F-6.9°USW00026523
1965Mar32.7°F23.7°F+9.1°USW00026523
1965Apr35.8°F34.4°F+1.3°USW00026523
1965May40.6°F44.5°F-3.8°USW00026523
1965Jun46.9°F50.7°F-3.8°USW00026523
1965Jul52.6°F55.0°F-2.4°USW00026523
1965Aug51.2°F53.9°F-2.7°USW00026523
1965Sep50.6°F46.8°F+3.9°USW00026523
1965Oct29.7°F34.0°F-4.3°USW00026523
1965Nov17.4°F21.6°F-4.1°USW00026523
1965Dec6.6°F16.3°F-9.7°USW00026523
1966Jan10.1°F14.3°F-4.1°USW00026523
1966Feb13.6°F16.3°F-2.8°USW00026523
1966Mar14.0°F23.7°F-9.7°USW00026523
1966Apr32.6°F34.4°F-1.8°USW00026523
1966May40.1°F44.5°F-4.4°USW00026523
1966Jun49.8°F50.7°F-0.9°USW00026523
1966Jul52.9°F55.0°F-2.0°USW00026523
1966Aug52.1°F53.9°F-1.8°USW00026523
1966Sep47.8°F46.8°F+1.1°USW00026523
1966Oct31.6°F34.0°F-2.4°USW00026523
1966Nov17.5°F21.6°F-4.0°USW00026523
1966Dec9.8°F16.3°F-6.5°USW00026523
1967Jan5.4°F14.3°F-8.9°USW00026523
1967Feb12.5°F16.3°F-3.9°USW00026523
1967Mar21.2°F23.7°F-2.5°USW00026523
1967Apr32.2°F34.4°F-2.2°USW00026523
1967May43.1°F44.5°F-1.4°USW00026523
1967Jun49.3°F50.7°F-1.4°USW00026523
1967Jul53.0°F55.0°F-2.0°USW00026523
1967Aug54.6°F53.9°F+0.7°USW00026523
1967Sep48.4°F46.8°F+1.6°USW00026523
1967Oct37.4°F34.0°F+3.4°USW00026523
1967Nov28.7°F21.6°F+7.1°USW00026523
1967Dec12.8°F16.3°F-3.5°USW00026523
1968Jan7.7°F14.3°F-6.5°USW00026523
1968Feb22.6°F16.3°F+6.2°USW00026523
1968Mar27.0°F23.7°F+3.4°USW00026523
1968Apr34.0°F34.4°F-0.5°USW00026523
1968May46.9°F44.5°F+2.4°USW00026523
1968Jun52.7°F50.7°F+2.0°USW00026523
1968Jul58.7°F55.0°F+3.7°USW00026523
1968Aug56.2°F53.9°F+2.2°USW00026523
1968Sep46.6°F46.8°F-0.2°USW00026523
1968Oct34.3°F34.0°F+0.3°USW00026523
1968Nov23.9°F21.6°F+2.3°USW00026523
1968Dec0.3°F16.3°F-15.9°USW00026523
1969Jan-3.2°F14.3°F-17.5°USW00026523
1969Feb13.1°F16.3°F-3.2°USW00026523
1969Mar25.5°F23.7°F+1.9°USW00026523
1969Apr40.5°F34.4°F+6.0°USW00026523
1969May47.2°F44.5°F+2.7°USW00026523
1969Jun54.0°F50.7°F+3.2°USW00026523
1969Jul56.7°F55.0°F+1.7°USW00026523
1969Aug53.2°F53.9°F-0.8°USW00026523
1969Sep48.2°F46.8°F+1.4°USW00026523
1969Oct40.4°F34.0°F+6.4°USW00026523
1969Nov21.0°F21.6°F-0.6°USW00026523
1969Dec29.4°F16.3°F+13.2°USW00026523
1970Jan7.9°F14.3°F-6.3°USW00026523
1970Feb30.2°F16.3°F+13.9°USW00026523
1970Mar34.6°F23.7°F+11.0°USW00026523
1970Apr34.9°F34.4°F+0.4°USW00026523
1970May45.6°F44.5°F+1.2°USW00026523
1970Jun51.8°F50.7°F+1.1°USW00026523
1970Jul54.2°F55.0°F-0.7°USW00026523
1970Aug53.5°F53.9°F-0.4°USW00026523
1970Sep45.5°F46.8°F-1.3°USW00026523
1970Oct31.7°F34.0°F-2.2°USW00026523
1970Nov24.6°F21.6°F+3.1°USW00026523
1970Dec11.3°F16.3°F-4.9°USW00026523
1971Jan-4.2°F14.3°F-18.4°USW00026523
1971Feb17.8°F16.3°F+1.5°USW00026523
1971Mar7.4°F23.7°F-16.2°USW00026523
1971Apr30.8°F34.4°F-3.6°USW00026523
1971May41.5°F44.5°F-3.0°USW00026523
1971Jun49.7°F50.7°F-1.1°USW00026523
1971Jul53.3°F55.0°F-1.7°USW00026523
1971Aug54.5°F53.9°F+0.6°USW00026523
1971Sep46.0°F46.8°F-0.8°USW00026523
1971Oct35.2°F34.0°F+1.2°USW00026523
1971Nov18.5°F21.6°F-3.1°USW00026523
1971Dec14.1°F16.3°F-2.2°USW00026523
1972Jan3.7°F14.3°F-10.6°USW00026523
1972Feb12.3°F16.3°F-4.0°USW00026523
1972Mar9.6°F23.7°F-14.1°USW00026523
1972Apr23.5°F34.4°F-11.0°USW00026523
1972May44.4°F44.5°F-0.1°USW00026523
1972Jun51.1°F50.7°F+0.4°USW00026523
1972Jul58.7°F55.0°F+3.7°USW00026523
1972Aug57.2°F53.9°F+3.3°USW00026523
1972Sep48.5°F46.8°F+1.7°USW00026523
1972Oct36.1°F34.0°F+2.1°USW00026523
1972Nov24.5°F21.6°F+2.9°USW00026523
1972Dec10.7°F16.3°F-5.6°USW00026523
1973Jan-4.7°F14.3°F-18.9°USW00026523
1973Feb8.2°F16.3°F-8.1°USW00026523
1973Mar20.4°F23.7°F-3.3°USW00026523
1973Apr35.8°F34.4°F+1.3°USW00026523
1973May43.2°F44.5°F-1.3°USW00026523
1973Jun47.8°F50.7°F-2.9°USW00026523
1973Jul52.8°F55.0°F-2.2°USW00026523
1973Aug50.7°F53.9°F-3.2°USW00026523
1973Sep44.8°F46.8°F-2.0°USW00026523
1973Oct32.6°F34.0°F-1.3°USW00026523
1973Nov11.5°F21.6°F-10.1°USW00026523
1973Dec15.2°F16.3°F-1.1°USW00026523
1974Jan1.1°F14.3°F-13.1°USW00026523
1974Feb10.2°F16.3°F-6.2°USW00026523
1974Mar19.3°F23.7°F-4.3°USW00026523
1974Apr35.7°F34.4°F+1.3°USW00026523
1974May43.9°F44.5°F-0.6°USW00026523
1974Jun49.5°F50.7°F-1.3°USW00026523
1974Jul52.0°F55.0°F-3.0°USW00026523
1974Aug52.9°F53.9°F-1.0°USW00026523
1974Sep48.8°F46.8°F+2.0°USW00026523
1974Oct33.7°F34.0°F-0.3°USW00026523
1974Nov21.4°F21.6°F-0.2°USW00026523
1974Dec14.1°F16.3°F-2.1°USW00026523
1975Jan3.2°F14.3°F-11.0°USW00026523
1975Feb4.7°F16.3°F-11.6°USW00026523
1975Mar14.1°F23.7°F-9.6°USW00026523
1975Apr26.8°F34.4°F-7.7°USW00026523
1975May40.6°F44.5°F-3.9°USW00026523
1975Jun47.0°F50.7°F-3.7°USW00026523
1975Jul53.3°F55.0°F-1.6°USW00026523
1975Aug52.3°F53.9°F-1.6°USW00026523
1975Sep46.1°F46.8°F-0.6°USW00026523
1975Oct34.6°F34.0°F+0.6°USW00026523
1975Nov13.9°F21.6°F-7.7°USW00026523
1975Dec8.5°F16.3°F-7.8°USW00026523
1976Jan11.8°F14.3°F-2.4°USW00026523
1976Feb6.8°F16.3°F-9.6°USW00026523
1976Mar18.7°F23.7°F-5.0°USW00026523
1976Apr32.7°F34.4°F-1.8°USW00026523
1976May42.1°F44.5°F-2.3°USW00026523
1976Jun48.5°F50.7°F-2.2°USW00026523
1976Jul56.0°F55.0°F+1.0°USW00026523
1976Aug55.1°F53.9°F+1.2°USW00026523
1976Sep45.6°F46.8°F-1.2°USW00026523
1976Oct31.7°F34.0°F-2.3°USW00026523
1976Nov29.6°F21.6°F+8.0°USW00026523
1976Dec22.6°F16.3°F+6.3°USW00026523
1977Jan30.5°F14.3°F+16.3°USW00026523
1977Feb29.8°F16.3°F+13.5°USW00026523
1977Mar16.7°F23.7°F-7.0°USW00026523
1977Apr30.9°F34.4°F-3.5°USW00026523
1977May42.2°F44.5°F-2.3°USW00026523
1977Jun51.7°F50.7°F+1.0°USW00026523
1977Jul56.8°F55.0°F+1.8°USW00026523
1977Aug56.2°F53.9°F+2.3°USW00026523
1977Sep45.7°F46.8°F-1.1°USW00026523
1977Oct35.6°F34.0°F+1.6°USW00026523
1977Nov8.0°F21.6°F-13.6°USW00026523
1977Dec3.9°F16.3°F-12.3°USW00026523
1978Jan16.7°F14.3°F+2.5°USW00026523
1978Feb22.4°F16.3°F+6.1°USW00026523
1978Mar26.3°F23.7°F+2.7°USW00026523
1978Apr35.6°F34.4°F+1.1°USW00026523
1978May43.8°F44.5°F-0.7°USW00026523
1978Jun47.9°F50.7°F-2.8°USW00026523
1978Jul52.5°F55.0°F-2.5°USW00026523
1978Aug53.6°F53.9°F-0.3°USW00026523
1978Sep45.4°F46.8°F-1.4°USW00026523
1978Oct37.0°F34.0°F+3.0°USW00026523
1978Nov25.2°F21.6°F+3.6°USW00026523
1978Dec19.7°F16.3°F+3.4°USW00026523
1979Jan21.2°F14.3°F+6.9°USW00026523
1979Feb3.5°F16.3°F-12.9°USW00026523
1979Mar28.9°F23.7°F+5.2°USW00026523
1979Apr36.3°F34.4°F+1.8°USW00026523
1979May45.7°F44.5°F+1.3°USW00026523
1979Jun51.1°F50.7°F+0.4°USW00026523
1979Jul56.7°F55.0°F+1.7°USW00026523
1979Aug55.7°F53.9°F+1.8°USW00026523
1979Sep50.6°F46.8°F+3.8°USW00026523
1979Oct41.1°F34.0°F+7.2°USW00026523
1979Nov32.0°F21.6°F+10.4°USW00026523
1979Dec8.1°F16.3°F-8.2°USW00026523
1980Jan10.6°F14.3°F-3.7°USW00026523
1980Feb25.9°F16.3°F+9.6°USW00026523
1980Mar26.3°F23.7°F+2.7°USW00026523
1980Apr39.9°F34.4°F+5.5°USW00026523
1980May45.8°F44.5°F+1.3°USW00026523
1980Jun51.2°F50.7°F+0.4°USW00026523
1980Jul54.8°F55.0°F-0.1°USW00026523
1980Aug52.0°F53.9°F-1.9°USW00026523
1980Sep46.5°F46.8°F-0.3°USW00026523
1980Oct38.3°F34.0°F+4.3°USW00026523
1980Nov28.8°F21.6°F+7.3°USW00026523
1980Dec-1.0°F16.3°F-17.3°USW00026523
1981Jan31.6°F14.3°F+17.4°USW00026523
1981Feb24.0°F16.3°F+7.7°USW00026523
1981Mar35.8°F23.7°F+12.1°USW00026523
1981Apr35.8°F34.4°F+1.3°USW00026523
1981May47.2°F44.5°F+2.7°USW00026523
1981Jun49.7°F50.7°F-1.0°USW00026523
1981Jul54.8°F55.0°F-0.1°USW00026523
1981Aug53.3°F53.9°F-0.6°USW00026523
1981Sep45.9°F46.8°F-0.9°USW00026523
1981Oct34.4°F34.0°F+0.4°USW00026523
1981Nov22.7°F21.6°F+1.1°USW00026523
1981Dec13.6°F16.3°F-2.6°USW00026523
1982Jan6.2°F14.3°F-8.0°USW00026523
1982Feb15.7°F16.3°F-0.7°USW00026523
1982Mar26.0°F23.7°F+2.4°USW00026523
1982Apr30.4°F34.4°F-4.0°USW00026523
1982May41.9°F44.5°F-2.6°USW00026523
1982Jun49.3°F50.7°F-1.4°USW00026523
1982Jul53.1°F55.0°F-1.9°USW00026523
1982Aug52.3°F53.9°F-1.6°USW00026523
1982Sep45.7°F46.8°F-1.1°USW00026523
1982Oct27.8°F34.0°F-6.2°USW00026523
1982Nov25.6°F21.6°F+4.0°USW00026523
1982Dec27.0°F16.3°F+10.7°USW00026523
1983Jan18.9°F14.3°F+4.7°USW00026523
1983Feb24.5°F16.3°F+8.1°USW00026523
1983Mar33.3°F23.7°F+9.7°USW00026523
1983Apr39.3°F34.4°F+4.9°USW00026523
1983May49.1°F44.5°F+4.6°USW00026523
1983Jun55.2°F50.7°F+4.5°USW00026523
1983Jul58.6°F55.0°F+3.6°USW00026523
1983Aug55.6°F53.9°F+1.7°USW00026523
1983Sep46.7°F46.8°F-0.1°USW00026523
1983Oct38.0°F34.0°F+4.0°USW00026523
1983Nov29.8°F21.6°F+8.2°USW00026523
1983Dec15.5°F16.3°F-0.8°USW00026523
1984Jan15.0°F14.3°F+0.8°USW00026523
1984Feb14.9°F16.3°F-1.5°USW00026523
1984Mar33.1°F23.7°F+9.4°USW00026523
1984Apr34.1°F34.4°F-0.3°USW00026523
1984May42.6°F44.5°F-1.9°USW00026523
1984Jun51.1°F50.7°F+0.3°USW00026523
1984Jul53.9°F55.0°F-1.1°USW00026523
1984Aug53.0°F53.9°F-0.9°USW00026523
1984Sep47.0°F46.8°F+0.3°USW00026523
1984Oct34.0°F34.0°F+0.0°USW00026523
1984Nov18.2°F21.6°F-3.3°USW00026523
1984Dec17.5°F16.3°F+1.2°USW00026523
1985Jan29.5°F14.3°F+15.2°USW00026523
1985Feb10.0°F16.3°F-6.3°USW00026523
1985Mar22.9°F23.7°F-0.7°USW00026523
1985Apr23.6°F34.4°F-10.8°USW00026523
1985May40.9°F44.5°F-3.6°USW00026523
1985Jun47.6°F50.7°F-3.1°USW00026523
1985Jul53.0°F55.0°F-1.9°USW00026523
1985Aug51.0°F53.9°F-2.9°USW00026523
1985Sep45.5°F46.8°F-1.3°USW00026523
1985Oct28.8°F34.0°F-5.2°USW00026523
1985Nov12.7°F21.6°F-8.8°USW00026523
1985Dec28.1°F16.3°F+11.8°USW00026523
1986Jan23.8°F14.3°F+9.6°USW00026523
1986Feb19.3°F16.3°F+2.9°USW00026523
1986Mar22.0°F23.7°F-1.6°USW00026523
1986Apr28.3°F34.4°F-6.1°USW00026523
1986May41.7°F44.5°F-2.7°USW00026523
1986Jun49.5°F50.7°F-1.2°USW00026523
1986Jul52.1°F55.0°F-2.9°USW00026523
1986Aug51.0°F53.9°F-2.9°USW00026523
1986Sep45.3°F46.8°F-1.5°USW00026523
1986Oct37.6°F34.0°F+3.6°USW00026523
1986Nov24.5°F21.6°F+3.0°USW00026523
1986Dec27.9°F16.3°F+11.6°USW00026523
1987Jan22.0°F14.3°F+7.8°USW00026523
1987Feb26.1°F16.3°F+9.7°USW00026523
1987Mar25.7°F23.7°F+2.0°USW00026523
1987Apr36.0°F34.4°F+1.5°USW00026523
1987May44.3°F44.5°F-0.1°USW00026523
1987Jun50.8°F50.7°F+0.0°USW00026523
1987Jul54.2°F55.0°F-0.8°USW00026523
1987Aug53.7°F53.9°F-0.2°USW00026523
1987Sep45.4°F46.8°F-1.4°USW00026523
1987Oct37.6°F34.0°F+3.6°USW00026523
1987Nov26.7°F21.6°F+5.1°USW00026523
1987Dec13.9°F16.3°F-2.3°USW00026523
1988Jan17.9°F14.3°F+3.7°USW00026523
1988Feb22.4°F16.3°F+6.1°USW00026523
1988Mar29.5°F23.7°F+5.8°USW00026523
1988Apr35.9°F34.4°F+1.4°USW00026523
1988May45.3°F44.5°F+0.8°USW00026523
1988Jun51.9°F50.7°F+1.2°USW00026523
1988Jul55.3°F55.0°F+0.4°USW00026523
1988Aug54.5°F53.9°F+0.6°USW00026523
1988Sep46.4°F46.8°F-0.4°USW00026523
1988Oct34.3°F34.0°F+0.3°USW00026523
1988Nov21.1°F21.6°F-0.5°USW00026523
1988Dec21.8°F16.3°F+5.6°USW00026523
1989Jan-2.2°F14.3°F-16.5°USW00026523
1989Feb15.5°F16.3°F-0.8°USW00026523
1989Mar21.5°F23.7°F-2.2°USW00026523
1989Apr38.1°F34.4°F+3.7°USW00026523
1989May45.4°F44.5°F+0.9°USW00026523
1989Jun52.0°F50.7°F+1.3°USW00026523
1989Jul55.4°F55.0°F+0.5°USW00026523
1989Aug55.8°F53.9°F+1.9°USW00026523
1989Sep50.1°F46.8°F+3.3°USW00026523
1989Oct34.3°F34.0°F+0.3°USW00026523
1989Nov18.5°F21.6°F-3.1°USW00026523
1989Dec24.3°F16.3°F+8.0°USW00026523
1990Jan12.6°F14.3°F-1.7°USW00026523
1990Feb0.1°F16.3°F-16.2°USW00026523
1990Mar25.6°F23.7°F+1.9°USW00026523
1990Apr37.7°F34.4°F+3.2°USW00026523
1990May47.0°F44.5°F+2.5°USW00026523
1990Jun51.8°F50.7°F+1.1°USW00026523
1990Jul54.9°F55.0°F+0.0°USW00026523
1990Aug54.9°F53.9°F+1.0°USW00026523
1990Sep47.9°F46.8°F+1.1°USW00026523
1990Oct33.3°F34.0°F-0.7°USW00026523
1990Nov10.1°F21.6°F-11.5°USW00026523
1990Dec13.3°F16.3°F-2.9°USW00026523
1991Jan14.9°F14.3°F+0.7°USW00026523
1991Feb17.9°F16.3°F+1.5°USW00026523
1991Mar21.8°F23.7°F-1.9°USW00026523
1991Apr36.7°F34.4°F+2.2°USW00026523
1991May45.0°F44.5°F+0.6°USW00026523
1991Jun50.9°F50.7°F+0.2°USW00026523
1991Jul53.5°F55.0°F-1.5°USW00026523
1991Aug52.3°F53.9°F-1.6°USW00026523
1991Sep49.6°F46.8°F+2.8°USW00026523
1991Oct33.4°F34.0°F-0.6°USW00026523
1991Nov26.2°F21.6°F+4.6°USW00026523
1991Dec20.8°F16.3°F+4.5°USW00026523
1992Jan22.4°F14.3°F+8.2°USC00504425
1992Feb11.4°F16.3°F-5.0°USW00026523
1992Mar22.3°F23.7°F-1.3°USW00026523
1992Apr32.4°F34.4°F-2.0°USW00026523
1992May43.2°F44.5°F-1.2°USW00026523
1992Jun51.5°F50.7°F+0.8°USW00026523
1992Jul55.7°F55.0°F+0.7°USW00026523
1992Aug54.0°F53.9°F+0.1°USW00026523
1992Sep38.9°F46.8°F-7.9°USW00026523
1992Oct30.0°F34.0°F-4.0°USW00026523
1992Nov26.6°F21.6°F+5.1°USW00026523
1992Dec13.9°F16.3°F-2.3°USW00026523
1993Jan13.2°F14.3°F-1.1°USW00026523
1993Feb21.4°F16.3°F+5.0°USW00026523
1993Mar28.1°F23.7°F+4.5°USW00026523
1993Apr39.9°F34.4°F+5.4°USW00026523
1993May48.0°F44.5°F+3.5°USW00026523
1993Jun51.6°F50.7°F+0.9°USW00026523
1993Jul57.1°F55.0°F+2.1°USW00026523
1993Aug55.1°F53.9°F+1.2°USW00026523
1993Sep46.9°F46.8°F+0.1°USW00026523
1993Oct38.4°F34.0°F+4.4°USW00026523
1993Nov25.4°F21.6°F+3.9°USW00026523
1993Dec24.5°F16.3°F+8.2°USW00026523
1994Jan21.0°F14.3°F+6.8°USW00026523
1994Feb16.3°F16.3°F-0.1°USW00026523
1994Mar24.4°F23.7°F+0.8°USW00026523
1994Apr37.6°F34.4°F+3.1°USW00026523
1994May45.0°F44.5°F+0.5°USW00026523
1994Jun52.2°F50.7°F+1.5°USW00026523
1994Jul55.1°F55.0°F+0.1°USW00026523
1994Aug54.7°F53.9°F+0.8°USW00026523
1994Sep46.3°F46.8°F-0.5°USW00026523
1994Oct32.7°F34.0°F-1.3°USW00026523
1994Nov12.5°F21.6°F-9.0°USW00026523
1994Dec14.6°F16.3°F-1.7°USW00026523
1995Jan15.2°F14.3°F+1.0°USW00026523
1995Feb18.2°F16.3°F+1.8°USW00026523
1995Mar13.4°F23.7°F-10.3°USW00026523
1995Apr38.7°F34.4°F+4.3°USW00026523
1995May46.6°F44.5°F+2.1°USW00026523
1995Jun52.3°F50.7°F+1.6°USW00026523
1995Jul55.7°F55.0°F+0.7°USW00026523
1995Aug55.1°F53.9°F+1.2°USW00026523
1995Sep52.1°F46.8°F+5.3°USW00026523
1995Oct38.0°F34.0°F+4.0°USW00026523
1995Nov20.7°F21.6°F-0.9°USW00026523
1995Dec20.9°F16.3°F+4.6°USW00026523
1996Jan2.6°F14.3°F-11.6°USW00026523
1996Feb13.0°F16.3°F-3.4°USW00026523
1996Mar26.8°F23.7°F+3.1°USW00026523
1996Apr36.5°F34.4°F+2.0°USW00026523
1996May45.4°F44.5°F+1.0°USW00026523
1996Jun51.9°F50.7°F+1.2°USW00026523
1996Jul54.7°F55.0°F-0.3°USW00026523
1996Aug53.5°F53.9°F-0.4°USW00026523
1996Sep45.1°F46.8°F-1.7°USW00026523
1996Oct23.1°F34.0°F-10.9°USW00026523
1996Nov17.6°F21.6°F-4.0°USW00026523
1996Dec8.3°F16.3°F-7.9°USW00026523
1997Jan11.4°F14.3°F-2.8°USW00026523
1997Feb30.6°F16.3°F+14.2°USW00026523
1997Mar22.6°F23.7°F-1.1°USW00026523
1997Apr37.2°F34.4°F+2.8°USW00026523
1997May46.0°F44.5°F+1.6°USW00026523
1997Jun53.7°F50.7°F+2.9°USW00026523
1997Jul58.4°F55.0°F+3.4°USW00026523
1997Aug56.0°F53.9°F+2.0°USW00026523
1997Sep49.8°F46.8°F+3.1°USW00026523
1997Oct27.5°F34.0°F-6.5°USW00026523
1997Nov27.2°F21.6°F+5.6°USW00026523
1997Dec15.1°F16.3°F-1.1°USW00026523
1998Jan13.2°F14.3°F-1.1°USW00026523
1998Feb24.5°F16.3°F+8.2°USW00026523
1998Mar28.5°F23.7°F+4.9°USW00026523
1998Apr38.2°F34.4°F+3.7°USW00026523
1998May44.0°F44.5°F-0.5°USW00026523
1998Jun52.1°F50.7°F+1.3°USW00026523
1998Jul55.2°F55.0°F+0.3°USW00026523
1998Aug52.3°F53.9°F-1.6°USW00026523
1998Sep47.9°F46.8°F+1.1°USW00026523
1998Oct36.7°F34.0°F+2.7°USW00026523
1998Nov22.7°F21.6°F+1.1°USW00026523
1998Dec12.6°F16.3°F-3.6°USW00026523
1999Jan9.9°F14.3°F-4.3°USW00026523
1999Feb3.1°F16.3°F-13.3°USW00026523
1999Mar23.0°F23.7°F-0.6°USW00026523
1999Apr33.7°F34.4°F-0.7°USW00026523
1999May42.1°F44.5°F-2.4°USW00026523
1999Jun51.6°F50.7°F+0.9°USW00026523
1999Jul54.9°F55.0°F-0.1°USW00026523
1999Aug54.7°F53.9°F+0.8°USW00026523
1999Sep47.0°F46.8°F+0.3°USW00026523
1999Oct33.2°F34.0°F-0.8°USW00026523
1999Nov18.3°F21.6°F-3.2°USW00026523
1999Dec11.4°F16.3°F-4.8°USW00026523
2000Jan8.6°F14.3°F-5.7°USW00026523
2000Feb24.3°F16.3°F+7.9°USW00026523
2000Mar28.2°F23.7°F+4.5°USW00026523
2000Apr35.4°F34.4°F+0.9°USW00026523
2000May43.8°F44.5°F-0.7°USW00026523
2000Jun50.9°F50.7°F+0.2°USW00026523
2000Jul53.9°F55.0°F-1.1°USW00026523
2000Aug51.4°F53.9°F-2.5°USW00026523
2000Sep44.6°F46.8°F-2.2°USW00026523
2000Oct35.0°F34.0°F+1.0°USW00026523
2000Nov28.9°F21.6°F+7.3°USW00026523
2000Dec26.5°F16.3°F+10.2°USW00026523
2001Jan27.3°F14.3°F+13.1°USW00026523
2001Feb22.4°F16.3°F+6.1°USW00026523
2001Mar27.6°F23.7°F+4.0°USW00026523
2001Apr35.9°F34.4°F+1.5°USW00026523
2001May41.8°F44.5°F-2.7°USW00026523
2001Jun52.9°F50.7°F+2.2°USW00026523
2001Jul55.4°F55.0°F+0.5°USW00026523
2001Aug54.8°F53.9°F+0.9°USW00026523
2001Sep47.6°F46.8°F+0.8°USW00026523
2001Oct27.4°F34.0°F-6.6°USW00026523
2001Nov19.2°F21.6°F-2.4°USW00026523
2001Dec6.3°F16.3°F-10.0°USW00026523
2002Jan24.6°F14.3°F+10.3°USW00026523
2002Feb22.9°F16.3°F+6.5°USW00026523
2002Mar19.3°F23.7°F-4.4°USW00026523
2002Apr29.6°F34.4°F-4.8°USW00026523
2002May45.2°F44.5°F+0.7°USW00026523
2002Jun51.0°F50.7°F+0.3°USW00026523
2002Jul55.1°F55.0°F+0.2°USW00026523
2002Aug53.6°F53.9°F-0.3°USW00026523
2002Sep48.9°F46.8°F+2.1°USW00026523
2002Oct40.4°F34.0°F+6.4°USW00026523
2002Nov33.8°F21.6°F+12.2°USW00026523
2002Dec22.6°F16.3°F+6.3°USW00026523
2003Jan23.4°F14.3°F+9.2°USW00026523
2003Feb31.4°F16.3°F+15.0°USW00026523
2003Mar25.6°F23.7°F+2.0°USW00026523
2003Apr37.2°F34.4°F+2.7°USW00026523
2003May44.9°F44.5°F+0.5°USW00026523
2003Jun52.3°F50.7°F+1.6°USW00026523
2003Jul58.6°F55.0°F+3.7°USW00026523
2003Aug55.1°F53.9°F+1.2°USW00026523
2003Sep46.6°F46.8°F-0.2°USW00026523
2003Oct39.8°F34.0°F+5.8°USW00026523
2003Nov20.7°F21.6°F-0.9°USW00026523
2003Dec14.8°F16.3°F-1.5°USW00026523
2004Jan4.6°F14.3°F-9.7°USW00026523
2004Feb26.5°F16.3°F+10.2°USW00026523
2004Mar22.9°F23.7°F-0.7°USW00026523
2004Apr37.9°F34.4°F+3.5°USW00026523
2004May48.4°F44.5°F+4.0°USW00026523
2004Jun54.6°F50.7°F+3.9°USW00026523
2004Jul58.8°F55.0°F+3.9°USW00026523
2004Aug58.0°F53.9°F+4.1°USW00026523
2004Sep43.2°F46.8°F-3.6°USW00026523
2004Oct38.1°F34.0°F+4.1°USW00026523
2004Nov27.7°F21.6°F+6.1°USW00026523
2004Dec21.2°F16.3°F+5.0°USW00026523
2005Jan17.3°F14.3°F+3.0°USW00026523
2005Feb18.9°F16.3°F+2.5°USW00026523
2005Mar29.8°F23.7°F+6.2°USW00026523
2005Apr38.4°F34.4°F+3.9°USW00026523
2005May47.6°F44.5°F+3.1°USW00026523
2005Jun51.2°F50.7°F+0.4°USW00026523
2005Jul58.0°F55.0°F+3.1°USW00026523
2005Aug55.1°F53.9°F+1.1°USW00026523
2005Sep50.3°F46.8°F+3.6°USW00026523
2005Oct37.5°F34.0°F+3.6°USW00026523
2005Nov18.1°F21.6°F-3.5°USW00026523
2005Dec28.3°F16.3°F+12.0°USW00026523
2006Jan9.1°F14.3°F-5.1°USW00026523
2006Feb21.4°F16.3°F+5.0°USW00026523
2006Mar21.0°F23.7°F-2.7°USW00026523
2006Apr34.3°F34.4°F-0.2°USW00026523
2006May47.0°F44.5°F+2.5°USW00026523
2006Jun53.5°F50.7°F+2.8°USW00026523
2006Jul57.1°F55.0°F+2.1°USW00026523
2006Aug53.9°F53.9°F+0.0°USW00026523
2006Sep50.5°F46.8°F+3.7°USW00026523
2006Oct40.5°F34.0°F+6.5°USW00026523
2006Nov13.4°F21.6°F-8.1°USW00026523
2006Dec21.8°F16.3°F+5.5°USW00026523
2007Jan15.0°F14.3°F+0.8°USW00026523
2007Feb17.8°F16.3°F+1.5°USW00026523
2007Mar11.4°F23.7°F-12.2°USW00026523
2007Apr39.6°F34.4°F+5.2°USW00026523
2007May46.2°F44.5°F+1.7°USW00026523
2007Jun53.3°F50.7°F+2.6°USW00026523
2007Jul56.9°F55.0°F+2.0°USW00026523
2007Aug56.8°F53.9°F+2.9°USW00026523
2007Sep49.2°F46.8°F+2.4°USW00026523
2007Oct36.4°F34.0°F+2.5°USW00026523
2007Nov31.5°F21.6°F+9.9°USW00026523
2007Dec19.9°F16.3°F+3.6°USW00026523
2008Jan11.0°F14.3°F-3.2°USW00026523
2008Feb12.6°F16.3°F-3.7°USW00026523
2008Mar29.8°F23.7°F+6.1°USW00026523
2008Apr31.9°F34.4°F-2.5°USW00026523
2008May44.9°F44.5°F+0.4°USW00026523
2008Jun50.0°F50.7°F-0.7°USW00026523
2008Jul55.4°F55.0°F+0.4°USW00026523
2008Aug54.4°F53.9°F+0.5°USW00026523
2008Sep49.9°F46.8°F+3.1°USW00026523
2008Oct31.6°F34.0°F-2.4°USW00026523
2008Nov22.6°F21.6°F+1.0°USW00026523
2008Dec13.4°F16.3°F-2.9°USW00026523
2009Jan10.6°F14.3°F-3.7°USW00026523
2009Feb15.2°F16.3°F-1.2°USW00026523
2009Mar21.3°F23.7°F-2.3°USW00026523
2009Apr35.3°F34.4°F+0.9°USW00026523
2009May47.1°F44.5°F+2.6°USW00026523
2009Jun52.6°F50.7°F+1.9°USW00026523
2009Jul57.4°F55.0°F+2.4°USW00026523
2009Aug55.3°F53.9°F+1.4°USW00026523
2009Sep49.6°F46.8°F+2.8°USW00026523
2009Oct44.4°F34.0°F+10.4°USW00026523
2009Nov21.6°F21.6°F+0.0°USW00026523
2009Dec22.8°F16.3°F+6.5°USW00026523
2010Jan20.6°F14.3°F+6.4°USW00026523
2010Feb29.3°F16.3°F+13.0°USW00026523
2010Mar27.4°F23.7°F+3.7°USW00026523
2010Apr38.2°F34.4°F+3.8°USW00026523
2010May48.1°F44.5°F+3.7°USW00026523
2010Jun53.9°F50.7°F+3.2°USW00026523
2010Jul56.6°F55.0°F+1.6°USW00026523
2010Aug57.0°F53.9°F+3.1°USW00026523
2010Sep51.2°F46.8°F+4.4°USW00026523
2010Oct39.9°F34.0°F+5.9°USW00026523
2010Nov28.1°F21.6°F+6.5°USW00026523
2010Dec10.2°F16.3°F-6.1°USW00026523
2011Jan19.5°F14.3°F+5.2°USW00026523
2011Feb16.6°F16.3°F+0.2°USW00026523
2011Mar24.5°F23.7°F+0.9°USW00026523
2011Apr38.8°F34.4°F+4.3°USW00026523
2011May47.4°F44.5°F+2.9°USW00026523
2011Jun52.2°F50.7°F+1.5°USW00026523
2011Jul53.9°F55.0°F-1.0°USW00026523
2011Aug52.6°F53.9°F-1.3°USW00026523
2011Sep47.4°F46.8°F+0.6°USW00026523
2011Oct36.6°F34.0°F+2.6°USW00026523
2011Nov12.9°F21.6°F-8.7°USW00026523
2011Dec19.5°F16.3°F+3.3°USW00026523
2012Jan-3.3°F14.3°F-17.5°USW00026523
2012Feb24.1°F16.3°F+7.8°USW00026523
2012Mar15.4°F23.7°F-8.2°USW00026523
2012Apr35.4°F34.4°F+1.0°USW00026523
2012May43.6°F44.5°F-0.9°USW00026523
2012Jun51.0°F50.7°F+0.3°USW00026523
2012Jul53.2°F55.0°F-1.7°USW00026523
2012Aug53.2°F53.9°F-0.7°USW00026523
2012Sep47.1°F46.8°F+0.3°USW00026523
2012Oct33.1°F34.0°F-0.9°USW00026523
2012Nov15.7°F21.6°F-5.9°USW00026523
2012Dec10.9°F16.3°F-5.4°USW00026523
2013Jan22.0°F14.3°F+7.7°USW00026523
2013Feb23.3°F16.3°F+7.0°USW00026523
2013Mar21.9°F23.7°F-1.8°USW00026523
2013Apr25.5°F34.4°F-8.9°USW00026523
2013May42.0°F44.5°F-2.4°USW00026523
2013Jun53.1°F50.7°F+2.4°USW00026523
2013Jul55.9°F55.0°F+0.9°USW00026523
2013Aug54.6°F53.9°F+0.6°USW00026523
2013Sep46.7°F46.8°F-0.1°USW00026523
2013Oct40.5°F34.0°F+6.5°USR0000ANIN
2013Nov22.2°F21.6°F+0.6°USW00026523
2013Dec11.6°F16.3°F-4.7°USW00026523
2014Jan29.7°F14.3°F+15.5°USW00026523
2014Feb19.0°F16.3°F+2.6°USW00026523
2014Mar25.4°F23.7°F+1.7°USW00026523
2014Apr36.5°F34.4°F+2.1°USW00026523
2014May47.9°F44.5°F+3.4°USW00026523
2014Jun51.0°F50.7°F+0.3°USW00026523
2014Jul56.0°F55.0°F+1.0°USW00026523
2014Aug56.2°F53.9°F+2.3°USW00026523
2014Sep48.8°F46.8°F+2.0°USW00026523
2014Oct33.7°F34.0°F-0.3°USW00026523
2014Nov31.6°F21.6°F+10.0°USW00026523
2014Dec28.9°F16.3°F+12.6°USW00026523
2015Jan19.7°F14.3°F+5.4°USW00026523
2015Feb23.6°F16.3°F+7.3°USW00026523
2015Mar28.9°F23.7°F+5.2°USW00026523
2015Apr37.6°F34.4°F+3.2°USW00026523
2015May46.0°F44.5°F+1.6°USW00026523
2015Jun54.5°F50.7°F+3.8°USW00026523
2015Jul56.4°F55.0°F+1.5°USW00026523
2015Aug54.9°F53.9°F+1.0°USW00026523
2015Sep45.6°F46.8°F-1.2°USW00026523
2015Oct41.3°F34.0°F+7.3°USW00026523
2015Nov23.4°F21.6°F+1.8°USW00026523
2015Dec22.2°F16.3°F+6.0°USW00026523
2016Jan28.3°F14.3°F+14.1°USW00026523
2016Feb31.3°F16.3°F+14.9°USW00026523
2016Mar32.9°F23.7°F+9.2°USW00026523
2016Apr42.3°F34.4°F+7.8°USW00026523
2016May48.7°F44.5°F+4.2°USW00026523
2016Jun55.1°F50.7°F+4.4°USW00026523
2016Jul59.0°F55.0°F+4.0°USW00026523
2016Aug57.9°F53.9°F+4.0°USW00026523
2016Sep49.0°F46.8°F+2.2°USW00026523
2016Oct36.9°F34.0°F+2.9°USW00026523
2016Nov25.8°F21.6°F+4.2°USW00026523
2016Dec13.1°F16.3°F-3.2°USW00026523
2017Jan9.2°F14.3°F-5.0°USW00026523
2017Feb15.9°F16.3°F-0.5°USW00026523
2017Mar13.3°F23.7°F-10.4°USW00026523
2017Apr38.7°F34.4°F+4.3°USW00026523
2017May45.3°F44.5°F+0.8°USW00026523
2017Jun51.5°F50.7°F+0.7°USW00026523
2017Jul55.9°F55.0°F+0.9°USW00026523
2017Aug55.0°F53.9°F+1.1°USW00026523
2017Sep49.6°F46.8°F+2.8°USW00026523
2017Oct37.2°F34.0°F+3.2°USW00026523
2017Nov18.5°F21.6°F-3.1°USW00026523
2017Dec25.6°F16.3°F+9.3°USW00026523
2018Jan18.8°F14.3°F+4.5°USW00026523
2018Feb16.3°F16.3°F+0.0°USW00026523
2018Mar24.7°F23.7°F+1.1°USW00026523
2018Apr37.3°F34.4°F+2.9°USW00026523
2018May44.8°F44.5°F+0.3°USW00026523
2018Jun51.7°F50.7°F+0.9°USW00026523
2018Jul56.9°F55.0°F+2.0°USW00026523
2018Aug55.5°F53.9°F+1.6°USW00026523
2018Sep50.7°F46.8°F+3.9°USW00026523
2018Oct43.7°F34.0°F+9.7°USW00026523
2018Nov30.2°F21.6°F+8.6°USW00026523
2018Dec24.7°F16.3°F+8.5°USW00026523
2019Jan19.6°F14.3°F+5.3°USW00026523
2019Feb17.2°F16.3°F+0.8°USW00026523
2019Mar33.8°F23.7°F+10.1°USW00026523
2019Apr38.2°F34.4°F+3.8°USW00026523
2019May47.6°F44.5°F+3.1°USW00026523
2019Jun55.4°F50.7°F+4.7°USW00026523
2019Jul59.4°F55.0°F+4.4°USW00026523
2019Aug58.0°F53.9°F+4.1°USW00026523
2019Sep50.1°F46.8°F+3.3°USW00026523
2019Oct40.2°F34.0°F+6.3°USW00026523
2019Nov34.3°F21.6°F+12.7°USW00026523
2019Dec23.1°F16.3°F+6.9°USW00026523
2020Jan-0.9°F14.3°F-15.1°USW00026523
2020Feb17.2°F16.3°F+0.9°USW00026523
2020Mar18.6°F23.7°F-5.1°USW00026523
2020Apr35.2°F34.4°F+0.8°USW00026523
2020May48.6°F44.5°F+4.1°USW00026523
2020Jun52.3°F50.7°F+1.6°USW00026523
2020Jul57.0°F55.0°F+2.0°USW00026523
2020Aug56.6°F53.9°F+2.7°USW00026523
2020Sep49.3°F46.8°F+2.5°USW00026523
2020Oct37.1°F34.0°F+3.1°USW00026523
2020Nov24.2°F21.6°F+2.6°USW00026523
2020Dec23.1°F16.3°F+6.8°USW00026523
2021Jan22.0°F14.3°F+7.7°USW00026523
2021Feb13.8°F16.3°F-2.6°USW00026523
2021Mar14.9°F23.7°F-8.8°USW00026523
2021Apr32.2°F34.4°F-2.3°USW00026523
2021May45.0°F44.5°F+0.5°USW00026523
2021Jun52.1°F50.7°F+1.4°USW00026523
2021Jul55.4°F55.0°F+0.4°USW00026523
2021Aug53.3°F53.9°F-0.7°USW00026523
2021Sep45.1°F46.8°F-1.7°USW00026523
2021Oct36.9°F34.0°F+2.9°USW00026523
2021Nov14.0°F21.6°F-7.5°USW00026523
2021Dec12.8°F16.3°F-3.5°USW00026523
2022Jan16.8°F14.3°F+2.6°USW00026523
2022Feb25.8°F16.3°F+9.5°USW00026523
2022Mar29.8°F23.7°F+6.1°USW00026523
2022Apr34.6°F34.4°F+0.2°USW00026523
2022May46.3°F44.5°F+1.8°USW00026523
2022Jun53.9°F50.7°F+3.2°USW00026523
2022Jul56.0°F55.0°F+1.0°USW00026523
2022Aug54.6°F53.9°F+0.6°USW00026523
2022Sep48.9°F46.8°F+2.1°USW00026523
2022Oct35.2°F34.0°F+1.2°USW00026523
2022Nov20.9°F21.6°F-0.7°USW00026523
2022Dec11.8°F16.3°F-4.5°USW00026523
2023Jan23.3°F14.3°F+9.1°USW00026523
2023Feb18.1°F16.3°F+1.8°USW00026523
2023Mar21.3°F23.7°F-2.4°USW00026523
2023Apr30.2°F34.4°F-4.2°USW00026523
2023May44.5°F44.5°F+0.1°USW00026523
2023Jun51.1°F50.7°F+0.4°USW00026523
2023Jul54.2°F55.0°F-0.8°USW00026523
2023Aug55.7°F53.9°F+1.8°USW00026523
2023Sep46.0°F46.8°F-0.8°USW00026523
2023Oct35.5°F34.0°F+1.5°USW00026523
2023Nov26.7°F21.6°F+5.2°USR0000ANIN
2023Dec14.3°F16.3°F-1.9°USW00026523
2024Jan10.1°F14.3°F-4.1°USW00026523
2024Feb20.9°F16.3°F+4.5°USW00026523
2024Mar26.3°F23.7°F+2.7°USW00026523
2024Apr35.3°F34.4°F+0.8°USW00026523
2024May43.7°F44.5°F-0.8°USW00026523
2024Jun52.3°F50.7°F+1.5°USW00026523
2024Jul53.9°F55.0°F-1.0°USW00026523
2024Aug52.4°F53.9°F-1.5°USW00026523
2024Sep48.3°F46.8°F+1.5°USW00026523
2024Oct35.7°F34.0°F+1.8°USW00026523
2024Nov19.0°F21.6°F-2.6°USW00026523
2024Dec28.4°F16.3°F+12.1°USW00026523
2025Jan27.0°F14.3°F+12.7°USW00026523
2025Feb24.6°F16.3°F+8.3°USW00026523
2025Mar32.8°F23.7°F+9.1°USW00026523
2025Apr38.6°F34.4°F+4.2°USW00026523
2025May45.2°F44.5°F+0.7°USW00026523
2025Jun50.9°F50.7°F+0.2°USW00026523
2025Jul56.0°F55.0°F+1.0°USW00026523
2025Aug54.8°F53.9°F+0.9°USW00026523
2025Sep50.7°F46.8°F+3.9°USW00026523
2025Oct41.0°F34.0°F+7.0°USW00026523
2025Nov24.1°F21.6°F+2.5°USW00026523
2025Dec11.8°F16.3°F-4.5°USW00026523
2026Jan11.5°F14.3°F-2.8°USW00026523

Showing 997 of 997 records. = gap-filled data

This table shows raw (unsmoothed) monthly anomalies. The spiral applies a 12-month moving average to highlight long-term trends.

Methodology

Methodology How we calculate anomalies

1. Data Acquisition

We query NOAA's Global Summary of the Month (GSOM) database for the closest weather station with good historical coverage, starting from 1930.

Temperature metric: Monthly average temperature (TAVG). When TAVG is unavailable, we use (TMAX + TMIN) / 2 as a proxy.

2. Gap Filling

Some months may have missing data. We fill gaps using data from nearby weather stations (within ~200km).

21

Initial gaps

10

Filled

11

Unfillable

Fill stations: KASILOF 3 NW, AK US, NINILCHIK ALASKA, AK US

3. Baseline Calculation

The baseline is a 25-year window dynamically centered on the data's midpoint, requiring at least 90% coverage. If coverage is insufficient, the window shifts forward in 5-year increments until the threshold is met.

Period: 1972 – 1997 (100% coverage)

MonthBaselineYears
January14.3°F26/26
February16.3°F26/26
March23.7°F26/26
April34.4°F26/26
May44.5°F26/26
June50.7°F26/26
July55.0°F26/26
August53.9°F26/26
September46.8°F26/26
October34.0°F26/26
November21.6°F26/26
December16.3°F26/26

4. Anomaly Calculation

For each month, we calculate how far it deviates from the baseline. These are raw monthly anomalies.

Anomaly = Actual Temperature − Baseline[month]

5. Smoothing

The spiral visualization applies a 12-month centered moving average to reduce month-to-month noise and highlight multi-year warming trends. The spiral shows smoothed values, not raw anomalies.

6. Reading the Visualizations

Spiral: A 3D helix where each loop represents one year. The radius indicates the smoothed temperature anomaly, and colors range from blue (cold) to red (warm). The top view shows the annual cycle, while the side view shows time progression.

Stripes: Each stripe represents one year's average anomaly (the mean of all monthly anomalies for that year). No additional smoothing is applied; yearly aggregation naturally reduces noise.

Color scale: Color bounds are set to the 5th and 95th percentile of anomalies to avoid outlier washout, with a neutral zone of approximately ±0.1°C.

7. Data Quality Notes

Time of Observation Bias (TOBS)

Early cooperative weather stations typically read their min/max thermometers in the afternoon. This meant a single hot afternoon's peak temperature could be counted in two consecutive daily readings, inflating monthly maximums.

Between the 1950s and 1980s, most stations switched to morning or midnight observation times. This eliminated the warm bias but introduced a slight cool bias during the transition.

As a result, early decades in our data may read slightly warmer than they actually were, and the transition period may show an artificial cooling dip. Neither reflects actual temperature change. We use raw GSOM data without TOBS adjustments (NOAA's adjusted products like nClimDiv correct for this, but our station-level data does not).

Frequently Asked Questions

Is Clam Gulch, Alaska getting warmer?

Based on 83+ years of NOAA temperature records, Clam Gulch has warmed at a rate of approximately 0.51°F per decade. This trend is calculated from monthly temperature anomalies relative to the location's historical baseline period.

What was the warmest year on record in Clam Gulch?

The warmest year on record in Clam Gulch was 2016, based on average annual temperature anomaly from NOAA station data.

Where does the temperature data for Clam Gulch come from?

Data comes from the KENAI AIRPORT, AK US weather station, part of NOAA's Global Historical Climatology Network. This station has recorded 83+ years of temperature observations used to build Clam Gulch's climate profile.

How are the climate visualizations for Clam Gulch created?

Three visualizations are generated from Clam Gulch's NOAA data: a climate spiral showing monthly temperature anomalies as concentric rings (inspired by NASA), warming stripes where each vertical stripe represents one year's temperature anomaly, and a linear trend chart showing the long-term trajectory.

Can I download Clam Gulch's temperature data?

Yes. The interactive data table on this page shows every monthly temperature reading in Clam Gulch's record. You can filter by decade and download the complete dataset as a CSV file for your own analysis.

Wear Clam Gulch's Climate Story

These visualizations are printed on demand using Clam Gulch's actual NOAA data. Every purchase plants a tree.

Shop Clam Gulch Climate Apparel →

Explore More Cities