Climate Change in Perham, Maine

96+ years of recorded temperature data show Perham is warming.

Based on our analysis of 96 years of temperature data near Perham, ME, this area shows a warming trend of approximately +0.3°F per decade. 10 of the last 10 years recorded above-average temperatures, and 2024 was the warmest year on record at +5.3°F above the historical baseline.

Key Climate Facts

Rate of Change

+0.3°F

per decade

Warmest Year

2024

+5.3°F anomaly

Recent Warm Years

10 / 10

above-average years

Decade Shift

+3.7°F

2020s vs 1930s

Compared to the National Average

Perham is warming 0.1°F/decade faster than the national average.

National: +0.20°F/decade
Perham: +0.28°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 Perham's long-term warming trend.

Temperature anomaly spiral for Perham, Maine
Climate spiral: monthly temperature anomalies from 96+ years of NOAA records for Perham, ME.

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 Perham, Maine
Warming stripes: each stripe is one year of average temperature anomaly for Perham, ME.

Temperature Trend

Annual temperature anomalies plotted over time with a linear regression trend line. The slope of +0.28°F per decade quantifies the rate of change.

Temperature trend chart for Perham, Maine
Linear trend: annual temperature anomalies with trend line for Perham, ME.

Temperature by Decade

1930s
-0.25°F
1940s
-0.12°F
1950s
+0.33°F
1960s
-0.12°F
1970s
-0.33°F
1980s
+0.03°F
1990s
+0.65°F
2000s
+1.02°F
2010s
+1.86°F
2020s
+3.41°F

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

Anomaly Scale

-4.7°F Colder Normal +6.3°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 Perham, ME. Filter by decade or download as CSV.

Data Sources & Audit

Station
nClimGrid 5km Grid Point
Distance
1.1 mi
Coverage
99.1%
Records
1,154
Range
1930-01 – 2026-02
Full Data Audit 1,154 records
YearMonthTempBaselineAnomalySourceGap
1930Jan7.5°F8.3°F-0.9°NCLIMGRID
1930Feb9.1°F11.7°F-2.6°NCLIMGRID
1930Mar22.1°F23.1°F-1.0°NCLIMGRID
1930Apr33.7°F36.7°F-3.1°NCLIMGRID
1930May49.1°F49.7°F-0.6°NCLIMGRID
1930Jun65.5°F59.5°F+6.0°NCLIMGRID
1930Jul63.5°F64.7°F-1.2°NCLIMGRID
1930Aug60.2°F62.1°F-1.8°NCLIMGRID
1930Sep53.2°F52.5°F+0.7°NCLIMGRID
1930Oct44.0°F41.9°F+2.1°NCLIMGRID
1930Nov32.1°F29.8°F+2.3°NCLIMGRID
1930Dec15.2°F14.4°F+0.8°NCLIMGRID
1931Jan4.9°F8.3°F-3.5°NCLIMGRID
1931Feb13.2°F11.7°F+1.5°NCLIMGRID
1931Mar30.3°F23.1°F+7.2°NCLIMGRID
1931Apr40.2°F36.7°F+3.5°NCLIMGRID
1931May50.6°F49.7°F+0.9°NCLIMGRID
1931Jun57.9°F59.5°F-1.6°NCLIMGRID
1931Jul68.4°F64.7°F+3.8°NCLIMGRID
1931Aug61.3°F62.1°F-0.8°NCLIMGRID
1931Sep52.4°F52.5°F-0.1°NCLIMGRID
1931Oct44.5°F41.9°F+2.6°NCLIMGRID
1931Nov34.6°F29.8°F+4.7°NCLIMGRID
1931Dec17.7°F14.4°F+3.2°NCLIMGRID
1932Jan17.0°F8.3°F+8.7°NCLIMGRID
1932Feb7.6°F11.7°F-4.1°NCLIMGRID
1932Mar20.2°F23.1°F-2.9°NCLIMGRID
1932Apr36.7°F36.7°F-0.1°NCLIMGRID
1932May50.2°F49.7°F+0.5°NCLIMGRID
1932Jun58.2°F59.5°F-1.3°NCLIMGRID
1932Jul61.8°F64.7°F-2.9°NCLIMGRID
1932Aug64.2°F62.1°F+2.1°NCLIMGRID
1932Sep54.5°F52.5°F+2.0°NCLIMGRID
1932Oct44.9°F41.9°F+3.0°NCLIMGRID
1932Nov26.6°F29.8°F-3.3°NCLIMGRID
1932Dec20.4°F14.4°F+6.0°NCLIMGRID
1933Jan17.4°F8.3°F+9.0°NCLIMGRID
1933Feb15.2°F11.7°F+3.5°NCLIMGRID
1933Mar19.0°F23.1°F-4.1°NCLIMGRID
1933Apr37.5°F36.7°F+0.8°NCLIMGRID
1933May48.3°F49.7°F-1.4°NCLIMGRID
1933Jun59.5°F59.5°F-0.1°NCLIMGRID
1933Jul63.1°F64.7°F-1.6°NCLIMGRID
1933Aug62.4°F62.1°F+0.4°NCLIMGRID
1933Sep52.7°F52.5°F+0.2°NCLIMGRID
1933Oct41.6°F41.9°F-0.3°NCLIMGRID
1933Nov19.6°F29.8°F-10.2°NCLIMGRID
1933Dec4.5°F14.4°F-9.9°NCLIMGRID
1934Jan2.5°F8.3°F-5.8°NCLIMGRID
1934Feb0.0°F11.7°F-11.7°NCLIMGRID
1934Mar19.7°F23.1°F-3.4°NCLIMGRID
1934Apr38.2°F36.7°F+1.4°NCLIMGRID
1934May51.5°F49.7°F+1.8°NCLIMGRID
1934Jun57.7°F59.5°F-1.8°NCLIMGRID
1934Jul64.0°F64.7°F-0.7°NCLIMGRID
1934Aug58.6°F62.1°F-3.4°NCLIMGRID
1934Sep58.2°F52.5°F+5.7°NCLIMGRID
1934Oct39.1°F41.9°F-2.8°NCLIMGRID
1934Nov31.1°F29.8°F+1.2°NCLIMGRID
1934Dec9.2°F14.4°F-5.2°NCLIMGRID
1935Jan2.6°F8.3°F-5.8°NCLIMGRID
1935Feb5.9°F11.7°F-5.8°NCLIMGRID
1935Mar18.9°F23.1°F-4.2°NCLIMGRID
1935Apr36.2°F36.7°F-0.6°NCLIMGRID
1935May47.6°F49.7°F-2.1°NCLIMGRID
1935Jun60.0°F59.5°F+0.4°NCLIMGRID
1935Jul66.5°F64.7°F+1.8°NCLIMGRID
1935Aug64.0°F62.1°F+1.9°NCLIMGRID
1935Sep49.8°F52.5°F-2.7°NCLIMGRID
1935Oct41.8°F41.9°F-0.1°NCLIMGRID
1935Nov30.9°F29.8°F+1.1°NCLIMGRID
1935Dec13.7°F14.4°F-0.7°NCLIMGRID
1936Jan9.6°F8.3°F+1.3°NCLIMGRID
1936Feb7.0°F11.7°F-4.7°NCLIMGRID
1936Mar30.5°F23.1°F+7.4°NCLIMGRID
1936Apr36.1°F36.7°F-0.7°NCLIMGRID
1936May48.2°F49.7°F-1.5°NCLIMGRID
1936Jun61.2°F59.5°F+1.7°NCLIMGRID
1936Jul61.2°F64.7°F-3.5°NCLIMGRID
1936Aug58.6°F62.1°F-3.4°NCLIMGRID
1936Sep52.4°F52.5°F-0.1°NCLIMGRID
1936Oct40.2°F41.9°F-1.6°NCLIMGRID
1936Nov23.1°F29.8°F-6.8°NCLIMGRID
1936Dec15.2°F14.4°F+0.8°NCLIMGRID
1937Jan13.9°F8.3°F+5.6°NCLIMGRID
1937Feb16.6°F11.7°F+4.9°NCLIMGRID
1937Mar19.5°F23.1°F-3.6°NCLIMGRID
1937Apr38.0°F36.7°F+1.2°NCLIMGRID
1937May53.9°F49.7°F+4.2°NCLIMGRID
1937Jun60.2°F59.5°F+0.7°NCLIMGRID
1937Jul67.5°F64.7°F+2.9°NCLIMGRID
1937Aug67.5°F62.1°F+5.5°NCLIMGRID
1937Sep54.5°F52.5°F+2.0°NCLIMGRID
1937Oct42.1°F41.9°F+0.2°NCLIMGRID
1937Nov29.9°F29.8°F+0.1°NCLIMGRID
1937Dec13.0°F14.4°F-1.5°NCLIMGRID
1938Jan6.4°F8.3°F-2.0°NCLIMGRID
1938Feb9.7°F11.7°F-2.0°NCLIMGRID
1938Mar19.9°F23.1°F-3.2°NCLIMGRID
1938Apr38.1°F36.7°F+1.3°NCLIMGRID
1938May47.7°F49.7°F-2.0°NCLIMGRID
1938Jun62.7°F59.5°F+3.2°NCLIMGRID
1938Jul64.9°F64.7°F+0.2°NCLIMGRID
1938Aug64.1°F62.1°F+2.0°NCLIMGRID
1938Sep51.6°F52.5°F-0.9°NCLIMGRID
1938Oct44.0°F41.9°F+2.1°NCLIMGRID
1938Nov29.8°F29.8°F+0.0°NCLIMGRID
1938Dec18.4°F14.4°F+4.0°NCLIMGRID
1939Jan8.1°F8.3°F-0.3°NCLIMGRID
1939Feb7.9°F11.7°F-3.8°NCLIMGRID
1939Mar13.0°F23.1°F-10.2°NCLIMGRID
1939Apr33.4°F36.7°F-3.4°NCLIMGRID
1939May47.8°F49.7°F-1.9°NCLIMGRID
1939Jun58.0°F59.5°F-1.5°NCLIMGRID
1939Jul66.1°F64.7°F+1.4°NCLIMGRID
1939Aug65.7°F62.1°F+3.6°NCLIMGRID
1939Sep52.4°F52.5°F-0.1°NCLIMGRID
1939Oct40.6°F41.9°F-1.3°NCLIMGRID
1939Nov26.2°F29.8°F-3.6°NCLIMGRID
1939Dec17.3°F14.4°F+2.9°NCLIMGRID
1940Jan7.1°F8.3°F-1.2°NCLIMGRID
1940Feb12.2°F11.7°F+0.5°NCLIMGRID
1940Mar21.7°F23.1°F-1.4°NCLIMGRID
1940Apr34.2°F36.7°F-2.5°NCLIMGRID
1940May51.4°F49.7°F+1.8°NCLIMGRID
1940Jun57.4°F59.5°F-2.1°NCLIMGRID
1940Jul64.7°F64.7°F+0.0°NCLIMGRID
1940Aug61.8°F62.1°F-0.2°NCLIMGRID
1940Sep53.4°F52.5°F+0.9°NCLIMGRID
1940Oct37.6°F41.9°F-4.3°NCLIMGRID
1940Nov27.3°F29.8°F-2.5°NCLIMGRID
1940Dec11.7°F14.4°F-2.7°NCLIMGRID
1941Jan5.3°F8.3°F-3.1°NCLIMGRID
1941Feb15.9°F11.7°F+4.2°NCLIMGRID
1941Mar20.6°F23.1°F-2.5°NCLIMGRID
1941Apr38.0°F36.7°F+1.2°NCLIMGRID
1941May49.8°F49.7°F+0.2°NCLIMGRID
1941Jun59.2°F59.5°F-0.3°NCLIMGRID
1941Jul65.9°F64.7°F+1.2°NCLIMGRID
1941Aug58.4°F62.1°F-3.7°NCLIMGRID
1941Sep52.6°F52.5°F+0.1°NCLIMGRID
1941Oct39.7°F41.9°F-2.2°NCLIMGRID
1941Nov28.9°F29.8°F-0.9°NCLIMGRID
1941Dec17.3°F14.4°F+2.9°NCLIMGRID
1942Jan5.9°F8.3°F-2.4°NCLIMGRID
1942Feb10.9°F11.7°F-0.8°NCLIMGRID
1942Mar28.1°F23.1°F+5.0°NCLIMGRID
1942Apr37.3°F36.7°F+0.6°NCLIMGRID
1942May53.7°F49.7°F+4.1°NCLIMGRID
1942Jun61.3°F59.5°F+1.8°NCLIMGRID
1942Jul63.2°F64.7°F-1.5°NCLIMGRID
1942Aug62.0°F62.1°F-0.1°NCLIMGRID
1942Sep54.9°F52.5°F+2.4°NCLIMGRID
1942Oct43.8°F41.9°F+1.9°NCLIMGRID
1942Nov28.2°F29.8°F-1.6°NCLIMGRID
1942Dec8.7°F14.4°F-5.8°NCLIMGRID
1943Jan3.9°F8.3°F-4.4°NCLIMGRID
1943Feb13.5°F11.7°F+1.8°NCLIMGRID
1943Mar18.1°F23.1°F-5.0°NCLIMGRID
1943Apr31.1°F36.7°F-5.7°NCLIMGRID
1943May47.9°F49.7°F-1.7°NCLIMGRID
1943Jun57.9°F59.5°F-1.6°NCLIMGRID
1943Jul64.5°F64.7°F-0.2°NCLIMGRID
1943Aug60.4°F62.1°F-1.7°NCLIMGRID
1943Sep52.6°F52.5°F+0.1°NCLIMGRID
1943Oct44.0°F41.9°F+2.1°NCLIMGRID
1943Nov29.0°F29.8°F-0.9°NCLIMGRID
1943Dec9.1°F14.4°F-5.4°NCLIMGRID
1944Jan12.9°F8.3°F+4.6°NCLIMGRID
1944Feb8.6°F11.7°F-3.1°NCLIMGRID
1944Mar20.7°F23.1°F-2.5°NCLIMGRID
1944Apr32.1°F36.7°F-4.6°NCLIMGRID
1944May53.9°F49.7°F+4.2°NCLIMGRID
1944Jun58.8°F59.5°F-0.7°NCLIMGRID
1944Jul64.9°F64.7°F+0.3°NCLIMGRID
1944Aug66.0°F62.1°F+3.9°NCLIMGRID
1944Sep55.8°F52.5°F+3.3°NCLIMGRID
1944Oct41.1°F41.9°F-0.8°NCLIMGRID
1944Nov32.7°F29.8°F+2.8°NCLIMGRID
1944Dec12.1°F14.4°F-2.3°NCLIMGRID
1945Jan6.3°F8.3°F-2.1°NCLIMGRID
1945Feb12.4°F11.7°F+0.7°NCLIMGRID
1945Mar27.8°F23.1°F+4.7°NCLIMGRID
1945Apr42.0°F36.7°F+5.3°NCLIMGRID
1945May47.3°F49.7°F-2.4°NCLIMGRID
1945Jun57.5°F59.5°F-2.0°NCLIMGRID
1945Jul65.6°F64.7°F+1.0°NCLIMGRID
1945Aug63.9°F62.1°F+1.9°NCLIMGRID
1945Sep55.1°F52.5°F+2.6°NCLIMGRID
1945Oct40.6°F41.9°F-1.3°NCLIMGRID
1945Nov27.8°F29.8°F-2.1°NCLIMGRID
1945Dec13.0°F14.4°F-1.4°NCLIMGRID
1946Jan8.1°F8.3°F-0.2°NCLIMGRID
1946Feb7.1°F11.7°F-4.6°NCLIMGRID
1946Mar28.9°F23.1°F+5.8°NCLIMGRID
1946Apr34.3°F36.7°F-2.4°NCLIMGRID
1946May48.6°F49.7°F-1.1°NCLIMGRID
1946Jun59.0°F59.5°F-0.5°NCLIMGRID
1946Jul62.7°F64.7°F-2.0°NCLIMGRID
1946Aug61.5°F62.1°F-0.5°NCLIMGRID
1946Sep56.4°F52.5°F+3.9°NCLIMGRID
1946Oct45.6°F41.9°F+3.7°NCLIMGRID
1946Nov29.4°F29.8°F-0.5°NCLIMGRID
1946Dec12.6°F14.4°F-1.8°NCLIMGRID
1947Jan8.1°F8.3°F-0.3°NCLIMGRID
1947Feb15.7°F11.7°F+4.0°NCLIMGRID
1947Mar25.3°F23.1°F+2.2°NCLIMGRID
1947Apr29.8°F36.7°F-6.9°NCLIMGRID
1947May46.3°F49.7°F-3.4°NCLIMGRID
1947Jun58.4°F59.5°F-1.1°NCLIMGRID
1947Jul69.3°F64.7°F+4.6°NCLIMGRID
1947Aug64.3°F62.1°F+2.2°NCLIMGRID
1947Sep53.2°F52.5°F+0.7°NCLIMGRID
1947Oct47.4°F41.9°F+5.5°NCLIMGRID
1947Nov30.3°F29.8°F+0.5°NCLIMGRID
1947Dec12.4°F14.4°F-2.1°NCLIMGRID
1948Jan6.4°F8.3°F-1.9°NCLIMGRID
1948Feb3.6°F11.7°F-8.1°NCLIMGRID
1948Mar17.6°F23.1°F-5.5°NCLIMGRID
1948Apr35.6°F36.7°F-1.2°NCLIMGRID
1948May48.9°F49.7°F-0.8°NCLIMGRID
1948Jun56.0°F59.5°F-3.5°NCLIMGRID
1948Jul64.7°F64.7°F+0.0°NCLIMGRID
1948Aug64.2°F62.1°F+2.1°NCLIMGRID
1948Sep54.3°F52.5°F+1.8°NCLIMGRID
1948Oct41.5°F41.9°F-0.3°NCLIMGRID
1948Nov35.7°F29.8°F+5.8°NCLIMGRID
1948Dec19.2°F14.4°F+4.8°NCLIMGRID
1949Jan12.5°F8.3°F+4.1°NCLIMGRID
1949Feb10.0°F11.7°F-1.7°NCLIMGRID
1949Mar22.4°F23.1°F-0.7°NCLIMGRID
1949Apr39.6°F36.7°F+2.8°NCLIMGRID
1949May49.0°F49.7°F-0.6°NCLIMGRID
1949Jun62.2°F59.5°F+2.6°NCLIMGRID
1949Jul66.3°F64.7°F+1.6°NCLIMGRID
1949Aug63.1°F62.1°F+1.0°NCLIMGRID
1949Sep52.9°F52.5°F+0.4°NCLIMGRID
1949Oct45.7°F41.9°F+3.8°NCLIMGRID
1949Nov24.6°F29.8°F-5.3°NCLIMGRID
1949Dec19.0°F14.4°F+4.5°NCLIMGRID
1950Jan13.2°F8.3°F+4.8°NCLIMGRID
1950Feb7.0°F11.7°F-4.7°NCLIMGRID
1950Mar19.3°F23.1°F-3.8°NCLIMGRID
1950Apr35.8°F36.7°F-1.0°NCLIMGRID
1950May52.0°F49.7°F+2.3°NCLIMGRID
1950Jun58.0°F59.5°F-1.5°NCLIMGRID
1950Jul63.5°F64.7°F-1.1°NCLIMGRID
1950Aug60.8°F62.1°F-1.3°NCLIMGRID
1950Sep49.9°F52.5°F-2.6°NCLIMGRID
1950Oct41.8°F41.9°F-0.1°NCLIMGRID
1950Nov35.6°F29.8°F+5.7°NCLIMGRID
1950Dec21.1°F14.4°F+6.7°NCLIMGRID
1951Jan13.1°F8.3°F+4.7°NCLIMGRID
1951Feb14.2°F11.7°F+2.5°NCLIMGRID
1951Mar23.8°F23.1°F+0.7°NCLIMGRID
1951Apr40.6°F36.7°F+3.9°NCLIMGRID
1951May50.1°F49.7°F+0.4°NCLIMGRID
1951Jun57.5°F59.5°F-2.1°NCLIMGRID
1951Jul63.5°F64.7°F-1.1°NCLIMGRID
1951Aug61.3°F62.1°F-0.8°NCLIMGRID
1951Sep54.3°F52.5°F+1.8°NCLIMGRID
1951Oct43.1°F41.9°F+1.2°NCLIMGRID
1951Nov27.8°F29.8°F-2.1°NCLIMGRID
1951Dec13.5°F14.4°F-0.9°NCLIMGRID
1952Jan9.6°F8.3°F+1.2°NCLIMGRID
1952Feb15.5°F11.7°F+3.8°NCLIMGRID
1952Mar25.2°F23.1°F+2.1°NCLIMGRID
1952Apr37.4°F36.7°F+0.7°NCLIMGRID
1952May48.8°F49.7°F-0.8°NCLIMGRID
1952Jun59.8°F59.5°F+0.3°NCLIMGRID
1952Jul69.2°F64.7°F+4.5°NCLIMGRID
1952Aug63.8°F62.1°F+1.7°NCLIMGRID
1952Sep54.2°F52.5°F+1.7°NCLIMGRID
1952Oct39.2°F41.9°F-2.7°NCLIMGRID
1952Nov29.1°F29.8°F-0.7°NCLIMGRID
1952Dec18.1°F14.4°F+3.7°NCLIMGRID
1953Jan14.5°F8.3°F+6.2°NCLIMGRID
1953Feb16.3°F11.7°F+4.6°NCLIMGRID
1953Mar24.4°F23.1°F+1.3°NCLIMGRID
1953Apr39.3°F36.7°F+2.6°NCLIMGRID
1953May50.2°F49.7°F+0.5°NCLIMGRID
1953Jun59.6°F59.5°F+0.1°NCLIMGRID
1953Jul64.1°F64.7°F-0.6°NCLIMGRID
1953Aug60.5°F62.1°F-1.5°NCLIMGRID
1953Sep54.4°F52.5°F+1.9°NCLIMGRID
1953Oct43.1°F41.9°F+1.2°NCLIMGRID
1953Nov35.8°F29.8°F+5.9°NCLIMGRID
1953Dec22.0°F14.4°F+7.6°NCLIMGRID
1954Jan5.4°F8.3°F-2.9°NCLIMGRID
1954Feb20.0°F11.7°F+8.3°NCLIMGRID
1954Mar22.2°F23.1°F-0.9°NCLIMGRID
1954Apr35.1°F36.7°F-1.7°NCLIMGRID
1954May48.1°F49.7°F-1.5°NCLIMGRID
1954Jun58.4°F59.5°F-1.1°NCLIMGRID
1954Jul61.6°F64.7°F-3.1°NCLIMGRID
1954Aug59.1°F62.1°F-3.0°NCLIMGRID
1954Sep51.7°F52.5°F-0.8°NCLIMGRID
1954Oct43.4°F41.9°F+1.6°NCLIMGRID
1954Nov31.7°F29.8°F+1.8°NCLIMGRID
1954Dec18.2°F14.4°F+3.8°NCLIMGRID
1955Jan10.5°F8.3°F+2.1°NCLIMGRID
1955Feb13.8°F11.7°F+2.1°NCLIMGRID
1955Mar19.3°F23.1°F-3.8°NCLIMGRID
1955Apr36.9°F36.7°F+0.2°NCLIMGRID
1955May49.4°F49.7°F-0.3°NCLIMGRID
1955Jun60.0°F59.5°F+0.5°NCLIMGRID
1955Jul65.5°F64.7°F+0.9°NCLIMGRID
1955Aug63.9°F62.1°F+1.9°NCLIMGRID
1955Sep51.2°F52.5°F-1.3°NCLIMGRID
1955Oct42.7°F41.9°F+0.8°NCLIMGRID
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1984Feb21.4°F11.7°F+9.7°NCLIMGRID
1984Mar18.3°F23.1°F-4.8°NCLIMGRID
1984Apr38.4°F36.7°F+1.6°NCLIMGRID
1984May48.5°F49.7°F-1.2°NCLIMGRID
1984Jun58.2°F59.5°F-1.3°NCLIMGRID
1984Jul65.5°F64.7°F+0.8°NCLIMGRID
1984Aug64.9°F62.1°F+2.9°NCLIMGRID
1984Sep51.2°F52.5°F-1.3°NCLIMGRID
1984Oct43.0°F41.9°F+1.1°NCLIMGRID
1984Nov32.0°F29.8°F+2.2°NCLIMGRID
1984Dec17.7°F14.4°F+3.2°NCLIMGRID
1985Jan4.4°F8.3°F-3.9°NCLIMGRID
1985Feb15.0°F11.7°F+3.3°NCLIMGRID
1985Mar22.5°F23.1°F-0.7°NCLIMGRID
1985Apr34.3°F36.7°F-2.5°NCLIMGRID
1985May48.4°F49.7°F-1.3°NCLIMGRID
1985Jun57.4°F59.5°F-2.1°NCLIMGRID
1985Jul65.0°F64.7°F+0.4°NCLIMGRID
1985Aug60.9°F62.1°F-1.2°NCLIMGRID
1985Sep54.9°F52.5°F+2.4°NCLIMGRID
1985Oct42.6°F41.9°F+0.7°NCLIMGRID
1985Nov27.4°F29.8°F-2.5°NCLIMGRID
1985Dec10.6°F14.4°F-3.9°NCLIMGRID
1986Jan10.7°F8.3°F+2.4°NCLIMGRID
1986Feb10.9°F11.7°F-0.8°NCLIMGRID
1986Mar22.4°F23.1°F-0.7°NCLIMGRID
1986Apr41.6°F36.7°F+4.9°NCLIMGRID
1986May51.2°F49.7°F+1.5°NCLIMGRID
1986Jun55.4°F59.5°F-4.1°NCLIMGRID
1986Jul61.5°F64.7°F-3.2°NCLIMGRID
1986Aug59.8°F62.1°F-2.2°NCLIMGRID
1986Sep49.4°F52.5°F-3.1°NCLIMGRID
1986Oct40.2°F41.9°F-1.7°NCLIMGRID
1986Nov25.1°F29.8°F-4.7°NCLIMGRID
1986Dec14.9°F14.4°F+0.5°NCLIMGRID
1987Jan7.7°F8.3°F-0.6°NCLIMGRID
1987Feb10.7°F11.7°F-1.0°NCLIMGRID
1987Mar26.0°F23.1°F+2.9°NCLIMGRID
1987Apr42.9°F36.7°F+6.2°NCLIMGRID
1987May49.7°F49.7°F+0.0°NCLIMGRID
1987Jun59.3°F59.5°F-0.3°NCLIMGRID
1987Jul64.7°F64.7°F+0.1°NCLIMGRID
1987Aug60.2°F62.1°F-1.9°NCLIMGRID
1987Sep53.4°F52.5°F+0.9°NCLIMGRID
1987Oct43.1°F41.9°F+1.2°NCLIMGRID
1987Nov28.0°F29.8°F-1.8°NCLIMGRID
1987Dec17.8°F14.4°F+3.3°NCLIMGRID
1988Jan11.1°F8.3°F+2.8°NCLIMGRID
1988Feb11.6°F11.7°F-0.1°NCLIMGRID
1988Mar22.0°F23.1°F-1.1°NCLIMGRID
1988Apr38.4°F36.7°F+1.6°NCLIMGRID
1988May53.0°F49.7°F+3.4°NCLIMGRID
1988Jun57.5°F59.5°F-2.0°NCLIMGRID
1988Jul66.5°F64.7°F+1.8°NCLIMGRID
1988Aug63.3°F62.1°F+1.2°NCLIMGRID
1988Sep51.5°F52.5°F-1.0°NCLIMGRID
1988Oct39.6°F41.9°F-2.3°NCLIMGRID
1988Nov32.7°F29.8°F+2.8°NCLIMGRID
1988Dec12.8°F14.4°F-1.6°NCLIMGRID
1989Jan10.9°F8.3°F+2.5°NCLIMGRID
1989Feb8.9°F11.7°F-2.8°NCLIMGRID
1989Mar18.4°F23.1°F-4.7°NCLIMGRID
1989Apr35.6°F36.7°F-1.1°NCLIMGRID
1989May55.4°F49.7°F+5.7°NCLIMGRID
1989Jun59.1°F59.5°F-0.4°NCLIMGRID
1989Jul63.3°F64.7°F-1.3°NCLIMGRID
1989Aug62.5°F62.1°F+0.4°NCLIMGRID
1989Sep54.5°F52.5°F+2.0°NCLIMGRID
1989Oct42.8°F41.9°F+0.9°NCLIMGRID
1989Nov27.0°F29.8°F-2.8°NCLIMGRID
1989Dec1.7°F14.4°F-12.8°NCLIMGRID
1990Jan16.2°F8.3°F+7.9°NCLIMGRID
1990Feb9.6°F11.7°F-2.1°NCLIMGRID
1990Mar23.0°F23.1°F-0.1°NCLIMGRID
1990Apr38.1°F36.7°F+1.4°NCLIMGRID
1990May47.8°F49.7°F-1.9°NCLIMGRID
1990Jun61.4°F59.5°F+1.9°NCLIMGRID
1990Jul65.0°F64.7°F+0.3°NCLIMGRID
1990Aug65.3°F62.1°F+3.2°NCLIMGRID
1990Sep52.4°F52.5°F-0.1°NCLIMGRID
1990Oct43.4°F41.9°F+1.5°NCLIMGRID
1990Nov30.4°F29.8°F+0.5°NCLIMGRID
1990Dec20.0°F14.4°F+5.6°NCLIMGRID
1991Jan5.6°F8.3°F-2.8°NCLIMGRID
1991Feb13.8°F11.7°F+2.1°NCLIMGRID
1991Mar25.4°F23.1°F+2.3°NCLIMGRID
1991Apr38.0°F36.7°F+1.2°NCLIMGRID
1991May50.9°F49.7°F+1.2°NCLIMGRID
1991Jun60.0°F59.5°F+0.4°NCLIMGRID
1991Jul64.4°F64.7°F-0.2°NCLIMGRID
1991Aug64.1°F62.1°F+2.0°NCLIMGRID
1991Sep50.8°F52.5°F-1.7°NCLIMGRID
1991Oct43.5°F41.9°F+1.6°NCLIMGRID
1991Nov31.4°F29.8°F+1.6°NCLIMGRID
1991Dec12.0°F14.4°F-2.4°NCLIMGRID
1992Jan9.5°F8.3°F+1.2°NCLIMGRID
1992Feb9.7°F11.7°F-2.0°NCLIMGRID
1992Mar18.8°F23.1°F-4.3°NCLIMGRID
1992Apr35.3°F36.7°F-1.4°NCLIMGRID
1992May51.7°F49.7°F+2.1°NCLIMGRID
1992Jun59.1°F59.5°F-0.4°NCLIMGRID
1992Jul59.1°F64.7°F-5.6°NCLIMGRID
1992Aug62.5°F62.1°F+0.4°NCLIMGRID
1992Sep55.2°F52.5°F+2.7°NCLIMGRID
1992Oct39.8°F41.9°F-2.1°NCLIMGRID
1992Nov28.2°F29.8°F-1.6°NCLIMGRID
1992Dec18.7°F14.4°F+4.3°NCLIMGRID
1993Jan8.0°F8.3°F-0.3°NCLIMGRID
1993Feb2.0°F11.7°F-9.7°NCLIMGRID
1993Mar21.7°F23.1°F-1.4°NCLIMGRID
1993Apr38.1°F36.7°F+1.4°NCLIMGRID
1993May49.8°F49.7°F+0.2°NCLIMGRID
1993Jun58.5°F59.5°F-1.0°NCLIMGRID
1993Jul63.6°F64.7°F-1.1°NCLIMGRID
1993Aug64.4°F62.1°F+2.3°NCLIMGRID
1993Sep53.0°F52.5°F+0.5°NCLIMGRID
1993Oct38.0°F41.9°F-3.8°NCLIMGRID
1993Nov29.3°F29.8°F-0.6°NCLIMGRID
1993Dec18.8°F14.4°F+4.4°NCLIMGRID
1994Jan-1.8°F8.3°F-10.2°NCLIMGRID
1994Feb6.8°F11.7°F-4.9°NCLIMGRID
1994Mar24.4°F23.1°F+1.3°NCLIMGRID
1994Apr35.7°F36.7°F-1.0°NCLIMGRID
1994May47.1°F49.7°F-2.5°NCLIMGRID
1994Jun62.3°F59.5°F+2.8°NCLIMGRID
1994Jul67.1°F64.7°F+2.4°NCLIMGRID
1994Aug60.7°F62.1°F-1.4°NCLIMGRID
1994Sep52.3°F52.5°F-0.2°NCLIMGRID
1994Oct44.3°F41.9°F+2.4°NCLIMGRID
1994Nov33.1°F29.8°F+3.3°NCLIMGRID
1994Dec18.9°F14.4°F+4.4°NCLIMGRID
1995Jan14.7°F8.3°F+6.3°NCLIMGRID
1995Feb7.8°F11.7°F-3.9°NCLIMGRID
1995Mar24.5°F23.1°F+1.3°NCLIMGRID
1995Apr33.4°F36.7°F-3.3°NCLIMGRID
1995May49.2°F49.7°F-0.5°NCLIMGRID
1995Jun61.7°F59.5°F+2.1°NCLIMGRID
1995Jul67.7°F64.7°F+3.0°NCLIMGRID
1995Aug63.6°F62.1°F+1.6°NCLIMGRID
1995Sep50.3°F52.5°F-2.2°NCLIMGRID
1995Oct46.5°F41.9°F+4.6°NCLIMGRID
1995Nov27.5°F29.8°F-2.4°NCLIMGRID
1995Dec13.0°F14.4°F-1.5°NCLIMGRID
1996Jan9.2°F8.3°F+0.8°NCLIMGRID
1996Feb12.7°F11.7°F+1.0°NCLIMGRID
1996Mar22.7°F23.1°F-0.4°NCLIMGRID
1996Apr37.6°F36.7°F+0.9°NCLIMGRID
1996May47.6°F49.7°F-2.1°NCLIMGRID
1996Jun61.0°F59.5°F+1.5°NCLIMGRID
1996Jul64.0°F64.7°F-0.7°NCLIMGRID
1996Aug62.9°F62.1°F+0.8°NCLIMGRID
1996Sep53.8°F52.5°F+1.3°NCLIMGRID
1996Oct41.3°F41.9°F-0.6°NCLIMGRID
1996Nov28.0°F29.8°F-1.8°NCLIMGRID
1996Dec25.2°F14.4°F+10.7°NCLIMGRID
1997Jan9.3°F8.3°F+1.0°NCLIMGRID
1997Feb10.9°F11.7°F-0.8°NCLIMGRID
1997Mar17.7°F23.1°F-5.4°NCLIMGRID
1997Apr34.8°F36.7°F-1.9°NCLIMGRID
1997May45.9°F49.7°F-3.8°NCLIMGRID
1997Jun59.1°F59.5°F-0.5°NCLIMGRID
1997Jul64.5°F64.7°F-0.2°NCLIMGRID
1997Aug60.4°F62.1°F-1.6°NCLIMGRID
1997Sep53.4°F52.5°F+0.9°NCLIMGRID
1997Oct40.6°F41.9°F-1.3°NCLIMGRID
1997Nov28.3°F29.8°F-1.6°NCLIMGRID
1997Dec15.3°F14.4°F+0.8°NCLIMGRID
1998Jan12.1°F8.3°F+3.7°NCLIMGRID
1998Feb19.0°F11.7°F+7.3°NCLIMGRID
1998Mar26.4°F23.1°F+3.3°NCLIMGRID
1998Apr39.0°F36.7°F+2.2°NCLIMGRID
1998May55.5°F49.7°F+5.9°NCLIMGRID
1998Jun59.9°F59.5°F+0.4°NCLIMGRID
1998Jul65.6°F64.7°F+0.9°NCLIMGRID
1998Aug62.7°F62.1°F+0.6°NCLIMGRID
1998Sep54.4°F52.5°F+1.9°NCLIMGRID
1998Oct42.1°F41.9°F+0.2°NCLIMGRID
1998Nov29.3°F29.8°F-0.5°NCLIMGRID
1998Dec20.8°F14.4°F+6.3°NCLIMGRID
1999Jan8.5°F8.3°F+0.1°NCLIMGRID
1999Feb16.1°F11.7°F+4.4°NCLIMGRID
1999Mar29.3°F23.1°F+6.2°NCLIMGRID
1999Apr37.8°F36.7°F+1.0°NCLIMGRID
1999May55.9°F49.7°F+6.2°NCLIMGRID
1999Jun63.6°F59.5°F+4.0°NCLIMGRID
1999Jul66.3°F64.7°F+1.6°NCLIMGRID
1999Aug61.8°F62.1°F-0.2°NCLIMGRID
1999Sep60.7°F52.5°F+8.2°NCLIMGRID
1999Oct39.7°F41.9°F-2.2°NCLIMGRID
1999Nov33.9°F29.8°F+4.1°NCLIMGRID
1999Dec21.2°F14.4°F+6.8°NCLIMGRID
2000Jan9.5°F8.3°F+1.1°NCLIMGRID
2000Feb13.3°F11.7°F+1.6°NCLIMGRID
2000Mar29.4°F23.1°F+6.2°NCLIMGRID
2000Apr36.5°F36.7°F-0.2°NCLIMGRID
2000May48.1°F49.7°F-1.5°NCLIMGRID
2000Jun57.9°F59.5°F-1.6°NCLIMGRID
2000Jul62.7°F64.7°F-2.0°NCLIMGRID
2000Aug61.7°F62.1°F-0.4°NCLIMGRID
2000Sep52.6°F52.5°F+0.1°NCLIMGRID
2000Oct41.9°F41.9°F+0.0°NCLIMGRID
2000Nov34.0°F29.8°F+4.2°NCLIMGRID
2000Dec13.8°F14.4°F-0.6°NCLIMGRID
2001Jan9.8°F8.3°F+1.5°NCLIMGRID
2001Feb10.9°F11.7°F-0.8°NCLIMGRID
2001Mar21.8°F23.1°F-1.3°NCLIMGRID
2001Apr36.0°F36.7°F-0.8°NCLIMGRID
2001May55.2°F49.7°F+5.6°NCLIMGRID
2001Jun61.0°F59.5°F+1.5°NCLIMGRID
2001Jul63.8°F64.7°F-0.9°NCLIMGRID
2001Aug65.4°F62.1°F+3.3°NCLIMGRID
2001Sep56.4°F52.5°F+3.9°NCLIMGRID
2001Oct45.6°F41.9°F+3.7°NCLIMGRID
2001Nov34.7°F29.8°F+4.8°NCLIMGRID
2001Dec25.6°F14.4°F+11.2°NCLIMGRID
2002Jan14.5°F8.3°F+6.1°NCLIMGRID
2002Feb14.4°F11.7°F+2.7°NCLIMGRID
2002Mar22.8°F23.1°F-0.3°NCLIMGRID
2002Apr37.3°F36.7°F+0.5°NCLIMGRID
2002May47.6°F49.7°F-2.0°NCLIMGRID
2002Jun56.5°F59.5°F-3.1°NCLIMGRID
2002Jul63.7°F64.7°F-1.0°NCLIMGRID
2002Aug64.4°F62.1°F+2.3°NCLIMGRID
2002Sep57.3°F52.5°F+4.8°NCLIMGRID
2002Oct39.1°F41.9°F-2.8°NCLIMGRID
2002Nov27.1°F29.8°F-2.8°NCLIMGRID
2002Dec16.5°F14.4°F+2.1°NCLIMGRID
2003Jan4.3°F8.3°F-4.0°NCLIMGRID
2003Feb6.1°F11.7°F-5.6°NCLIMGRID
2003Mar20.1°F23.1°F-3.0°NCLIMGRID
2003Apr31.7°F36.7°F-5.0°NCLIMGRID
2003May48.5°F49.7°F-1.2°NCLIMGRID
2003Jun61.0°F59.5°F+1.4°NCLIMGRID
2003Jul64.4°F64.7°F-0.3°NCLIMGRID
2003Aug63.7°F62.1°F+1.6°NCLIMGRID
2003Sep57.6°F52.5°F+5.1°NCLIMGRID
2003Oct42.6°F41.9°F+0.7°NCLIMGRID
2003Nov32.2°F29.8°F+2.3°NCLIMGRID
2003Dec20.3°F14.4°F+5.9°NCLIMGRID
2004Jan2.2°F8.3°F-6.1°NCLIMGRID
2004Feb13.3°F11.7°F+1.6°NCLIMGRID
2004Mar24.5°F23.1°F+1.4°NCLIMGRID
2004Apr38.1°F36.7°F+1.4°NCLIMGRID
2004May49.7°F49.7°F+0.0°NCLIMGRID
2004Jun55.7°F59.5°F-3.9°NCLIMGRID
2004Jul64.5°F64.7°F-0.2°NCLIMGRID
2004Aug62.9°F62.1°F+0.8°NCLIMGRID
2004Sep53.9°F52.5°F+1.4°NCLIMGRID
2004Oct44.0°F41.9°F+2.1°NCLIMGRID
2004Nov29.3°F29.8°F-0.6°NCLIMGRID
2004Dec13.8°F14.4°F-0.7°NCLIMGRID
2005Jan5.9°F8.3°F-2.4°NCLIMGRID
2005Feb15.6°F11.7°F+3.9°NCLIMGRID
2005Mar22.8°F23.1°F-0.3°NCLIMGRID
2005Apr38.9°F36.7°F+2.2°NCLIMGRID
2005May47.2°F49.7°F-2.4°NCLIMGRID
2005Jun62.7°F59.5°F+3.1°NCLIMGRID
2005Jul65.6°F64.7°F+1.0°NCLIMGRID
2005Aug63.9°F62.1°F+1.9°NCLIMGRID
2005Sep55.8°F52.5°F+3.3°NCLIMGRID
2005Oct45.7°F41.9°F+3.8°NCLIMGRID
2005Nov32.2°F29.8°F+2.4°NCLIMGRID
2005Dec17.3°F14.4°F+2.9°NCLIMGRID
2006Jan17.3°F8.3°F+8.9°NCLIMGRID
2006Feb13.7°F11.7°F+2.0°NCLIMGRID
2006Mar26.7°F23.1°F+3.6°NCLIMGRID
2006Apr40.7°F36.7°F+4.0°NCLIMGRID
2006May53.0°F49.7°F+3.4°NCLIMGRID
2006Jun63.3°F59.5°F+3.8°NCLIMGRID
2006Jul67.7°F64.7°F+3.0°NCLIMGRID
2006Aug59.8°F62.1°F-2.3°NCLIMGRID
2006Sep54.3°F52.5°F+1.8°NCLIMGRID
2006Oct42.6°F41.9°F+0.7°NCLIMGRID
2006Nov36.0°F29.8°F+6.2°NCLIMGRID
2006Dec22.9°F14.4°F+8.4°NCLIMGRID
2007Jan12.1°F8.3°F+3.8°NCLIMGRID
2007Feb8.3°F11.7°F-3.4°NCLIMGRID
2007Mar22.2°F23.1°F-0.9°NCLIMGRID
2007Apr35.1°F36.7°F-1.7°NCLIMGRID
2007May49.4°F49.7°F-0.3°NCLIMGRID
2007Jun60.1°F59.5°F+0.6°NCLIMGRID
2007Jul64.3°F64.7°F-0.4°NCLIMGRID
2007Aug60.9°F62.1°F-1.2°NCLIMGRID
2007Sep54.8°F52.5°F+2.3°NCLIMGRID
2007Oct47.0°F41.9°F+5.1°NCLIMGRID
2007Nov28.5°F29.8°F-1.3°NCLIMGRID
2007Dec12.9°F14.4°F-1.5°NCLIMGRID
2008Jan12.9°F8.3°F+4.6°NCLIMGRID
2008Feb12.8°F11.7°F+1.1°NCLIMGRID
2008Mar17.5°F23.1°F-5.7°NCLIMGRID
2008Apr39.4°F36.7°F+2.6°NCLIMGRID
2008May48.7°F49.7°F-1.0°NCLIMGRID
2008Jun59.6°F59.5°F+0.0°NCLIMGRID
2008Jul66.9°F64.7°F+2.2°NCLIMGRID
2008Aug62.7°F62.1°F+0.6°NCLIMGRID
2008Sep54.4°F52.5°F+1.9°NCLIMGRID
2008Oct42.3°F41.9°F+0.4°NCLIMGRID
2008Nov33.1°F29.8°F+3.2°NCLIMGRID
2008Dec15.1°F14.4°F+0.7°NCLIMGRID
2009Jan1.8°F8.3°F-6.6°NCLIMGRID
2009Feb15.9°F11.7°F+4.2°NCLIMGRID
2009Mar22.0°F23.1°F-1.1°NCLIMGRID
2009Apr39.5°F36.7°F+2.7°NCLIMGRID
2009May49.4°F49.7°F-0.3°NCLIMGRID
2009Jun59.0°F59.5°F-0.5°NCLIMGRID
2009Jul62.9°F64.7°F-1.8°NCLIMGRID
2009Aug64.9°F62.1°F+2.8°NCLIMGRID
2009Sep53.4°F52.5°F+0.9°NCLIMGRID
2009Oct38.2°F41.9°F-3.7°NCLIMGRID
2009Nov36.2°F29.8°F+6.4°NCLIMGRID
2009Dec18.8°F14.4°F+4.4°NCLIMGRID
2010Jan18.2°F8.3°F+9.9°NCLIMGRID
2010Feb22.1°F11.7°F+10.4°NCLIMGRID
2010Mar30.5°F23.1°F+7.4°NCLIMGRID
2010Apr43.2°F36.7°F+6.5°NCLIMGRID
2010May53.3°F49.7°F+3.7°NCLIMGRID
2010Jun59.5°F59.5°F+0.0°NCLIMGRID
2010Jul68.1°F64.7°F+3.5°NCLIMGRID
2010Aug64.5°F62.1°F+2.4°NCLIMGRID
2010Sep56.2°F52.5°F+3.7°NCLIMGRID
2010Oct42.7°F41.9°F+0.8°NCLIMGRID
2010Nov31.6°F29.8°F+1.8°NCLIMGRID
2010Dec23.2°F14.4°F+8.8°NCLIMGRID
2011Jan12.8°F8.3°F+4.4°NCLIMGRID
2011Feb11.6°F11.7°F-0.1°NCLIMGRID
2011Mar23.1°F23.1°F+0.0°NCLIMGRID
2011Apr35.9°F36.7°F-0.8°NCLIMGRID
2011May50.4°F49.7°F+0.7°NCLIMGRID
2011Jun59.4°F59.5°F-0.1°NCLIMGRID
2011Jul65.6°F64.7°F+0.9°NCLIMGRID
2011Aug63.7°F62.1°F+1.7°NCLIMGRID
2011Sep57.0°F52.5°F+4.5°NCLIMGRID
2011Oct45.7°F41.9°F+3.8°NCLIMGRID
2011Nov36.5°F29.8°F+6.7°NCLIMGRID
2011Dec21.5°F14.4°F+7.1°NCLIMGRID
2012Jan12.3°F8.3°F+4.0°NCLIMGRID
2012Feb15.4°F11.7°F+3.7°NCLIMGRID
2012Mar30.3°F23.1°F+7.2°NCLIMGRID
2012Apr39.8°F36.7°F+3.1°NCLIMGRID
2012May52.1°F49.7°F+2.4°NCLIMGRID
2012Jun59.7°F59.5°F+0.2°NCLIMGRID
2012Jul66.1°F64.7°F+1.4°NCLIMGRID
2012Aug66.5°F62.1°F+4.4°NCLIMGRID
2012Sep55.3°F52.5°F+2.8°NCLIMGRID
2012Oct45.5°F41.9°F+3.6°NCLIMGRID
2012Nov30.0°F29.8°F+0.2°NCLIMGRID
2012Dec20.0°F14.4°F+5.6°NCLIMGRID
2013Jan10.5°F8.3°F+2.1°NCLIMGRID
2013Feb15.9°F11.7°F+4.2°NCLIMGRID
2013Mar28.2°F23.1°F+5.1°NCLIMGRID
2013Apr36.9°F36.7°F+0.2°NCLIMGRID
2013May51.9°F49.7°F+2.2°NCLIMGRID
2013Jun58.0°F59.5°F-1.5°NCLIMGRID
2013Jul66.3°F64.7°F+1.6°NCLIMGRID
2013Aug61.6°F62.1°F-0.5°NCLIMGRID
2013Sep55.3°F52.5°F+2.8°NCLIMGRID
2013Oct44.7°F41.9°F+2.8°NCLIMGRID
2013Nov30.0°F29.8°F+0.2°NCLIMGRID
2013Dec11.5°F14.4°F-3.0°NCLIMGRID
2014Jan10.2°F8.3°F+1.8°NCLIMGRID
2014Feb11.4°F11.7°F-0.3°NCLIMGRID
2014Mar13.7°F23.1°F-9.4°NCLIMGRID
2014Apr36.0°F36.7°F-0.8°NCLIMGRID
2014May50.5°F49.7°F+0.8°NCLIMGRID
2014Jun61.3°F59.5°F+1.7°NCLIMGRID
2014Jul66.8°F64.7°F+2.1°NCLIMGRID
2014Aug63.8°F62.1°F+1.7°NCLIMGRID
2014Sep54.4°F52.5°F+1.9°NCLIMGRID
2014Oct45.6°F41.9°F+3.7°NCLIMGRID
2014Nov28.4°F29.8°F-1.4°NCLIMGRID
2014Dec20.8°F14.4°F+6.3°NCLIMGRID
2015Jan7.1°F8.3°F-1.3°NCLIMGRID
2015Feb1.2°F11.7°F-10.5°NCLIMGRID
2015Mar18.4°F23.1°F-4.7°NCLIMGRID
2015Apr35.4°F36.7°F-1.3°NCLIMGRID
2015May54.2°F49.7°F+4.5°NCLIMGRID
2015Jun56.3°F59.5°F-3.2°NCLIMGRID
2015Jul62.9°F64.7°F-1.7°NCLIMGRID
2015Aug66.5°F62.1°F+4.4°NCLIMGRID
2015Sep60.2°F52.5°F+7.7°NCLIMGRID
2015Oct40.2°F41.9°F-1.7°NCLIMGRID
2015Nov34.4°F29.8°F+4.6°NCLIMGRID
2015Dec26.9°F14.4°F+12.4°NCLIMGRID
2016Jan16.1°F8.3°F+7.7°NCLIMGRID
2016Feb16.8°F11.7°F+5.1°NCLIMGRID
2016Mar22.7°F23.1°F-0.5°NCLIMGRID
2016Apr34.3°F36.7°F-2.5°NCLIMGRID
2016May52.2°F49.7°F+2.5°NCLIMGRID
2016Jun59.8°F59.5°F+0.3°NCLIMGRID
2016Jul65.3°F64.7°F+0.6°NCLIMGRID
2016Aug65.0°F62.1°F+2.9°NCLIMGRID
2016Sep56.9°F52.5°F+4.4°NCLIMGRID
2016Oct44.9°F41.9°F+3.0°NCLIMGRID
2016Nov35.3°F29.8°F+5.5°NCLIMGRID
2016Dec15.5°F14.4°F+1.1°NCLIMGRID
2017Jan16.3°F8.3°F+8.0°NCLIMGRID
2017Feb14.6°F11.7°F+2.9°NCLIMGRID
2017Mar18.4°F23.1°F-4.7°NCLIMGRID
2017Apr39.3°F36.7°F+2.6°NCLIMGRID
2017May50.7°F49.7°F+1.0°NCLIMGRID
2017Jun59.6°F59.5°F+0.1°NCLIMGRID
2017Jul64.1°F64.7°F-0.6°NCLIMGRID
2017Aug61.9°F62.1°F-0.2°NCLIMGRID
2017Sep59.1°F52.5°F+6.6°NCLIMGRID
2017Oct49.4°F41.9°F+7.5°NCLIMGRID
2017Nov29.0°F29.8°F-0.8°NCLIMGRID
2017Dec11.9°F14.4°F-2.5°NCLIMGRID
2018Jan10.2°F8.3°F+1.8°NCLIMGRID
2018Feb17.5°F11.7°F+5.8°NCLIMGRID
2018Mar27.0°F23.1°F+3.8°NCLIMGRID
2018Apr34.2°F36.7°F-2.6°NCLIMGRID
2018May50.9°F49.7°F+1.2°NCLIMGRID
2018Jun56.9°F59.5°F-2.6°NCLIMGRID
2018Jul69.3°F64.7°F+4.6°NCLIMGRID
2018Aug66.8°F62.1°F+4.7°NCLIMGRID
2018Sep55.5°F52.5°F+3.0°NCLIMGRID
2018Oct38.3°F41.9°F-3.6°NCLIMGRID
2018Nov25.8°F29.8°F-4.0°NCLIMGRID
2018Dec15.0°F14.4°F+0.5°NCLIMGRID
2019Jan9.2°F8.3°F+0.8°NCLIMGRID
2019Feb10.1°F11.7°F-1.6°NCLIMGRID
2019Mar21.7°F23.1°F-1.5°NCLIMGRID
2019Apr36.6°F36.7°F-0.2°NCLIMGRID
2019May47.3°F49.7°F-2.4°NCLIMGRID
2019Jun58.6°F59.5°F-0.9°NCLIMGRID
2019Jul67.0°F64.7°F+2.3°NCLIMGRID
2019Aug62.8°F62.1°F+0.8°NCLIMGRID
2019Sep52.4°F52.5°F+0.0°NCLIMGRID
2019Oct44.1°F41.9°F+2.2°NCLIMGRID
2019Nov26.5°F29.8°F-3.3°NCLIMGRID
2019Dec18.8°F14.4°F+4.4°NCLIMGRID
2020Jan14.9°F8.3°F+6.6°NCLIMGRID
2020Feb15.0°F11.7°F+3.3°NCLIMGRID
2020Mar24.0°F23.1°F+0.9°NCLIMGRID
2020Apr35.3°F36.7°F-1.5°NCLIMGRID
2020May49.6°F49.7°F-0.1°NCLIMGRID
2020Jun62.1°F59.5°F+2.6°NCLIMGRID
2020Jul68.2°F64.7°F+3.5°NCLIMGRID
2020Aug64.4°F62.1°F+2.4°NCLIMGRID
2020Sep54.9°F52.5°F+2.4°NCLIMGRID
2020Oct41.9°F41.9°F+0.0°NCLIMGRID
2020Nov34.5°F29.8°F+4.6°NCLIMGRID
2020Dec24.5°F14.4°F+10.1°NCLIMGRID
2021Jan18.6°F8.3°F+10.2°NCLIMGRID
2021Feb14.9°F11.7°F+3.2°NCLIMGRID
2021Mar25.5°F23.1°F+2.4°NCLIMGRID
2021Apr41.3°F36.7°F+4.6°NCLIMGRID
2021May50.5°F49.7°F+0.9°NCLIMGRID
2021Jun63.1°F59.5°F+3.5°NCLIMGRID
2021Jul62.9°F64.7°F-1.8°NCLIMGRID
2021Aug67.9°F62.1°F+5.8°NCLIMGRID
2021Sep57.0°F52.5°F+4.5°NCLIMGRID
2021Oct48.4°F41.9°F+6.5°NCLIMGRID
2021Nov33.2°F29.8°F+3.3°NCLIMGRID
2021Dec19.7°F14.4°F+5.2°NCLIMGRID
2022Jan5.4°F8.3°F-3.0°NCLIMGRID
2022Feb13.0°F11.7°F+1.3°NCLIMGRID
2022Mar24.0°F23.1°F+0.9°NCLIMGRID
2022Apr37.6°F36.7°F+0.9°NCLIMGRID
2022May52.8°F49.7°F+3.1°NCLIMGRID
2022Jun58.7°F59.5°F-0.9°NCLIMGRID
2022Jul66.3°F64.7°F+1.6°NCLIMGRID
2022Aug65.1°F62.1°F+3.0°NCLIMGRID
2022Sep55.9°F52.5°F+3.4°NCLIMGRID
2022Oct48.5°F41.9°F+6.6°NCLIMGRID
2022Nov33.3°F29.8°F+3.4°NCLIMGRID
2022Dec24.9°F14.4°F+10.5°NCLIMGRID
2023Jan18.0°F8.3°F+9.6°NCLIMGRID
2023Feb10.8°F11.7°F-0.9°NCLIMGRID
2023Mar27.1°F23.1°F+4.0°NCLIMGRID
2023Apr39.4°F36.7°F+2.7°NCLIMGRID
2023May50.2°F49.7°F+0.5°NCLIMGRID
2023Jun60.0°F59.5°F+0.5°NCLIMGRID
2023Jul70.3°F64.7°F+5.6°NCLIMGRID
2023Aug61.6°F62.1°F-0.5°NCLIMGRID
2023Sep59.6°F52.5°F+7.1°NCLIMGRID
2023Oct49.9°F41.9°F+8.0°NCLIMGRID
2023Nov29.2°F29.8°F-0.7°NCLIMGRID
2023Dec25.9°F14.4°F+11.5°NCLIMGRID
2024Jan15.4°F8.3°F+7.1°NCLIMGRID
2024Feb19.7°F11.7°F+8.0°NCLIMGRID
2024Mar29.9°F23.1°F+6.8°NCLIMGRID
2024Apr38.9°F36.7°F+2.2°NCLIMGRID
2024May54.8°F49.7°F+5.1°NCLIMGRID
2024Jun63.7°F59.5°F+4.1°NCLIMGRID
2024Jul68.9°F64.7°F+4.2°NCLIMGRID
2024Aug64.9°F62.1°F+2.9°NCLIMGRID
2024Sep58.6°F52.5°F+6.1°NCLIMGRID
2024Oct46.1°F41.9°F+4.2°NCLIMGRID
2024Nov36.7°F29.8°F+6.9°NCLIMGRID
2024Dec20.4°F14.4°F+6.0°NCLIMGRID
2025Jan13.6°F8.3°F+5.2°NCLIMGRID
2025Feb12.3°F11.7°F+0.6°NCLIMGRID
2025Mar26.8°F23.1°F+3.6°NCLIMGRID
2025Apr38.0°F36.7°F+1.3°NCLIMGRID
2025May50.8°F49.7°F+1.1°NCLIMGRID
2025Jun60.0°F59.5°F+0.4°NCLIMGRID
2025Jul66.8°F64.7°F+2.1°NCLIMGRID
2025Aug62.9°F62.1°F+0.8°NCLIMGRID
2025Sep55.7°F52.5°F+3.2°NCLIMGRID
2025Oct46.5°F41.9°F+4.6°NCLIMGRID
2025Nov31.6°F29.8°F+1.7°NCLIMGRID
2025Dec13.3°F14.4°F-1.2°NCLIMGRID
2026Jan10.5°F8.3°F+2.1°NCLIMGRID
2026Feb13.6°F11.7°F+1.9°NCLIMGRID

Showing 1,154 of 1,154 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 use NOAA's nClimGrid dataset, which provides homogenized temperature data on a 5km grid, for the nearest grid point with 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).

10

Initial gaps

0

Filled

10

Unfillable

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: 1966 – 1991 (100% coverage)

MonthBaselineYears
January8.3°F26/26
February11.7°F26/26
March23.1°F26/26
April36.7°F26/26
May49.7°F26/26
June59.5°F26/26
July64.7°F26/26
August62.1°F26/26
September52.5°F26/26
October41.9°F26/26
November29.8°F26/26
December14.4°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

Frequently Asked Questions

Is Perham, Maine getting warmer?

Based on 96+ years of NOAA temperature records, Perham has warmed at a rate of approximately 0.28°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 Perham?

The warmest year on record in Perham was 2024, based on average annual temperature anomaly from NOAA station data.

Where does the temperature data for Perham come from?

Data comes from the nClimGrid 5km Grid Point weather station, part of NOAA's Global Historical Climatology Network. This station has recorded 96+ years of temperature observations used to build Perham's climate profile.

How are the climate visualizations for Perham created?

Three visualizations are generated from Perham'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 Perham's temperature data?

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

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