Climate Change in Glenns Ferry, Idaho

96+ years of recorded temperature data show Glenns Ferry is warming.

Based on our analysis of 96 years of temperature data near Glenns Ferry, ID, this area shows a warming trend of approximately +0.3°F per decade. 10 of the last 10 years recorded above-average temperatures, and 1934 was the warmest year on record at +4.5°F above the historical baseline.

Key Climate Facts

Rate of Change

+0.3°F

per decade

Warmest Year

1934

+4.5°F anomaly

Recent Warm Years

10 / 10

above-average years

Decade Shift

+2.5°F

2020s vs 1930s

Compared to the National Average

Glenns Ferry is warming at roughly the national average rate.

National: +0.20°F/decade
Glenns Ferry: +0.25°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 Glenns Ferry's long-term warming trend.

Temperature anomaly spiral for Glenns Ferry, Idaho
Climate spiral: monthly temperature anomalies from 96+ years of NOAA records for Glenns Ferry, ID.

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 Glenns Ferry, Idaho
Warming stripes: each stripe is one year of average temperature anomaly for Glenns Ferry, ID.

Temperature Trend

Annual temperature anomalies plotted over time with a linear regression trend line. The slope of +0.25°F per decade quantifies the rate of change.

Temperature trend chart for Glenns Ferry, Idaho
Linear trend: annual temperature anomalies with trend line for Glenns Ferry, ID.

Temperature by Decade

1930s
+0.21°F
1940s
+0.09°F
1950s
-0.01°F
1960s
+0.17°F
1970s
-0.25°F
1980s
-0.15°F
1990s
+0.79°F
2000s
+1.30°F
2010s
+2.07°F
2020s
+2.84°F

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

Anomaly Scale

-5.2°F Colder Normal +5.9°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 Glenns Ferry, ID. Filter by decade or download as CSV.

Data Sources & Audit

Station
nClimGrid 5km Grid Point
Distance
1.7 mi
Coverage
99.1%
Records
1,154
Range
1930-01 – 2026-02
Full Data Audit 1,154 records
YearMonthTempBaselineAnomalySourceGap
1930Jan16.2°F27.4°F-11.2°NCLIMGRID
1930Feb38.5°F32.9°F+5.6°NCLIMGRID
1930Mar42.1°F39.7°F+2.4°NCLIMGRID
1930Apr53.0°F47.2°F+5.8°NCLIMGRID
1930May54.1°F55.9°F-1.9°NCLIMGRID
1930Jun62.6°F64.9°F-2.3°NCLIMGRID
1930Jul74.8°F73.0°F+1.7°NCLIMGRID
1930Aug73.5°F71.4°F+2.1°NCLIMGRID
1930Sep61.5°F61.5°F+0.0°NCLIMGRID
1930Oct47.8°F49.9°F-2.2°NCLIMGRID
1930Nov30.8°F37.7°F-6.9°NCLIMGRID
1930Dec20.7°F28.1°F-7.4°NCLIMGRID
1931Jan26.0°F27.4°F-1.4°NCLIMGRID
1931Feb32.5°F32.9°F-0.4°NCLIMGRID
1931Mar40.0°F39.7°F+0.3°NCLIMGRID
1931Apr49.3°F47.2°F+2.1°NCLIMGRID
1931May58.9°F55.9°F+2.9°NCLIMGRID
1931Jun68.0°F64.9°F+3.1°NCLIMGRID
1931Jul75.9°F73.0°F+2.9°NCLIMGRID
1931Aug73.2°F71.4°F+1.8°NCLIMGRID
1931Sep61.2°F61.5°F-0.3°NCLIMGRID
1931Oct50.8°F49.9°F+0.8°NCLIMGRID
1931Nov32.6°F37.7°F-5.2°NCLIMGRID
1931Dec24.9°F28.1°F-3.3°NCLIMGRID
1932Jan22.9°F27.4°F-4.5°NCLIMGRID
1932Feb25.1°F32.9°F-7.8°NCLIMGRID
1932Mar38.9°F39.7°F-0.8°NCLIMGRID
1932Apr48.3°F47.2°F+1.1°NCLIMGRID
1932May57.6°F55.9°F+1.7°NCLIMGRID
1932Jun64.5°F64.9°F-0.4°NCLIMGRID
1932Jul71.4°F73.0°F-1.6°NCLIMGRID
1932Aug68.8°F71.4°F-2.6°NCLIMGRID
1932Sep61.1°F61.5°F-0.4°NCLIMGRID
1932Oct48.1°F49.9°F-1.9°NCLIMGRID
1932Nov40.8°F37.7°F+3.1°NCLIMGRID
1932Dec22.2°F28.1°F-5.9°NCLIMGRID
1933Jan25.1°F27.4°F-2.3°NCLIMGRID
1933Feb18.6°F32.9°F-14.3°NCLIMGRID
1933Mar36.9°F39.7°F-2.8°NCLIMGRID
1933Apr46.5°F47.2°F-0.7°NCLIMGRID
1933May51.4°F55.9°F-4.5°NCLIMGRID
1933Jun68.4°F64.9°F+3.5°NCLIMGRID
1933Jul75.8°F73.0°F+2.7°NCLIMGRID
1933Aug70.5°F71.4°F-1.0°NCLIMGRID
1933Sep58.8°F61.5°F-2.7°NCLIMGRID
1933Oct53.3°F49.9°F+3.4°NCLIMGRID
1933Nov40.3°F37.7°F+2.6°NCLIMGRID
1933Dec36.9°F28.1°F+8.8°NCLIMGRID
1934Jan35.8°F27.4°F+8.4°NCLIMGRID
1934Feb41.4°F32.9°F+8.5°NCLIMGRID
1934Mar48.1°F39.7°F+8.4°NCLIMGRID
1934Apr55.0°F47.2°F+7.7°NCLIMGRID
1934May63.2°F55.9°F+7.2°NCLIMGRID
1934Jun64.4°F64.9°F-0.5°NCLIMGRID
1934Jul75.6°F73.0°F+2.6°NCLIMGRID
1934Aug74.5°F71.4°F+3.0°NCLIMGRID
1934Sep59.6°F61.5°F-1.9°NCLIMGRID
1934Oct52.6°F49.9°F+2.7°NCLIMGRID
1934Nov43.0°F37.7°F+5.3°NCLIMGRID
1934Dec30.2°F28.1°F+2.1°NCLIMGRID
1935Jan28.5°F27.4°F+1.1°NCLIMGRID
1935Feb30.7°F32.9°F-2.2°NCLIMGRID
1935Mar37.1°F39.7°F-2.6°NCLIMGRID
1935Apr47.1°F47.2°F-0.1°NCLIMGRID
1935May54.1°F55.9°F-1.8°NCLIMGRID
1935Jun64.3°F64.9°F-0.6°NCLIMGRID
1935Jul73.2°F73.0°F+0.2°NCLIMGRID
1935Aug70.6°F71.4°F-0.9°NCLIMGRID
1935Sep64.7°F61.5°F+3.1°NCLIMGRID
1935Oct49.4°F49.9°F-0.5°NCLIMGRID
1935Nov31.2°F37.7°F-6.5°NCLIMGRID
1935Dec27.0°F28.1°F-1.1°NCLIMGRID
1936Jan25.4°F27.4°F-2.0°NCLIMGRID
1936Feb26.3°F32.9°F-6.6°NCLIMGRID
1936Mar35.1°F39.7°F-4.6°NCLIMGRID
1936Apr50.0°F47.2°F+2.8°NCLIMGRID
1936May60.7°F55.9°F+4.8°NCLIMGRID
1936Jun67.1°F64.9°F+2.2°NCLIMGRID
1936Jul77.4°F73.0°F+4.3°NCLIMGRID
1936Aug72.5°F71.4°F+1.0°NCLIMGRID
1936Sep59.4°F61.5°F-2.1°NCLIMGRID
1936Oct52.3°F49.9°F+2.4°NCLIMGRID
1936Nov35.1°F37.7°F-2.6°NCLIMGRID
1936Dec32.1°F28.1°F+4.0°NCLIMGRID
1937Jan12.7°F27.4°F-14.7°NCLIMGRID
1937Feb26.5°F32.9°F-6.4°NCLIMGRID
1937Mar40.0°F39.7°F+0.3°NCLIMGRID
1937Apr45.8°F47.2°F-1.4°NCLIMGRID
1937May58.6°F55.9°F+2.6°NCLIMGRID
1937Jun63.4°F64.9°F-1.5°NCLIMGRID
1937Jul75.3°F73.0°F+2.2°NCLIMGRID
1937Aug69.5°F71.4°F-1.9°NCLIMGRID
1937Sep64.2°F61.5°F+2.7°NCLIMGRID
1937Oct53.4°F49.9°F+3.5°NCLIMGRID
1937Nov42.0°F37.7°F+4.3°NCLIMGRID
1937Dec34.4°F28.1°F+6.3°NCLIMGRID
1938Jan31.7°F27.4°F+4.3°NCLIMGRID
1938Feb35.3°F32.9°F+2.4°NCLIMGRID
1938Mar37.3°F39.7°F-2.4°NCLIMGRID
1938Apr49.0°F47.2°F+1.8°NCLIMGRID
1938May54.2°F55.9°F-1.8°NCLIMGRID
1938Jun64.4°F64.9°F-0.5°NCLIMGRID
1938Jul72.2°F73.0°F-0.8°NCLIMGRID
1938Aug70.2°F71.4°F-1.2°NCLIMGRID
1938Sep66.2°F61.5°F+4.7°NCLIMGRID
1938Oct51.7°F49.9°F+1.7°NCLIMGRID
1938Nov32.6°F37.7°F-5.1°NCLIMGRID
1938Dec32.4°F28.1°F+4.3°NCLIMGRID
1939Jan30.3°F27.4°F+2.9°NCLIMGRID
1939Feb26.9°F32.9°F-6.0°NCLIMGRID
1939Mar39.8°F39.7°F+0.1°NCLIMGRID
1939Apr50.7°F47.2°F+3.5°NCLIMGRID
1939May60.1°F55.9°F+4.1°NCLIMGRID
1939Jun61.3°F64.9°F-3.6°NCLIMGRID
1939Jul73.8°F73.0°F+0.7°NCLIMGRID
1939Aug72.2°F71.4°F+0.8°NCLIMGRID
1939Sep62.3°F61.5°F+0.7°NCLIMGRID
1939Oct50.8°F49.9°F+0.9°NCLIMGRID
1939Nov39.5°F37.7°F+1.8°NCLIMGRID
1939Dec37.0°F28.1°F+8.9°NCLIMGRID
1940Jan29.4°F27.4°F+2.0°NCLIMGRID
1940Feb35.6°F32.9°F+2.7°NCLIMGRID
1940Mar42.8°F39.7°F+3.1°NCLIMGRID
1940Apr49.2°F47.2°F+2.0°NCLIMGRID
1940May60.0°F55.9°F+4.1°NCLIMGRID
1940Jun68.4°F64.9°F+3.5°NCLIMGRID
1940Jul73.8°F73.0°F+0.8°NCLIMGRID
1940Aug73.1°F71.4°F+1.6°NCLIMGRID
1940Sep62.7°F61.5°F+1.1°NCLIMGRID
1940Oct53.1°F49.9°F+3.1°NCLIMGRID
1940Nov34.3°F37.7°F-3.4°NCLIMGRID
1940Dec33.2°F28.1°F+5.0°NCLIMGRID
1941Jan30.9°F27.4°F+3.5°NCLIMGRID
1941Feb36.7°F32.9°F+3.8°NCLIMGRID
1941Mar42.1°F39.7°F+2.4°NCLIMGRID
1941Apr48.0°F47.2°F+0.8°NCLIMGRID
1941May58.2°F55.9°F+2.3°NCLIMGRID
1941Jun63.1°F64.9°F-1.8°NCLIMGRID
1941Jul74.4°F73.0°F+1.4°NCLIMGRID
1941Aug71.0°F71.4°F-0.5°NCLIMGRID
1941Sep56.9°F61.5°F-4.6°NCLIMGRID
1941Oct50.3°F49.9°F+0.4°NCLIMGRID
1941Nov41.3°F37.7°F+3.5°NCLIMGRID
1941Dec33.2°F28.1°F+5.1°NCLIMGRID
1942Jan21.1°F27.4°F-6.3°NCLIMGRID
1942Feb27.7°F32.9°F-5.2°NCLIMGRID
1942Mar36.9°F39.7°F-2.8°NCLIMGRID
1942Apr50.2°F47.2°F+3.0°NCLIMGRID
1942May52.5°F55.9°F-3.4°NCLIMGRID
1942Jun60.2°F64.9°F-4.7°NCLIMGRID
1942Jul74.2°F73.0°F+1.2°NCLIMGRID
1942Aug71.1°F71.4°F-0.3°NCLIMGRID
1942Sep62.6°F61.5°F+1.0°NCLIMGRID
1942Oct51.9°F49.9°F+2.0°NCLIMGRID
1942Nov37.6°F37.7°F-0.1°NCLIMGRID
1942Dec30.7°F28.1°F+2.6°NCLIMGRID
1943Jan28.0°F27.4°F+0.5°NCLIMGRID
1943Feb32.8°F32.9°F-0.1°NCLIMGRID
1943Mar36.3°F39.7°F-3.4°NCLIMGRID
1943Apr52.8°F47.2°F+5.6°NCLIMGRID
1943May54.0°F55.9°F-2.0°NCLIMGRID
1943Jun60.2°F64.9°F-4.7°NCLIMGRID
1943Jul72.3°F73.0°F-0.7°NCLIMGRID
1943Aug70.0°F71.4°F-1.4°NCLIMGRID
1943Sep65.1°F61.5°F+3.6°NCLIMGRID
1943Oct53.3°F49.9°F+3.3°NCLIMGRID
1943Nov39.5°F37.7°F+1.8°NCLIMGRID
1943Dec31.4°F28.1°F+3.3°NCLIMGRID
1944Jan23.4°F27.4°F-4.0°NCLIMGRID
1944Feb31.9°F32.9°F-1.0°NCLIMGRID
1944Mar35.9°F39.7°F-3.8°NCLIMGRID
1944Apr46.7°F47.2°F-0.5°NCLIMGRID
1944May57.1°F55.9°F+1.1°NCLIMGRID
1944Jun60.4°F64.9°F-4.5°NCLIMGRID
1944Jul70.9°F73.0°F-2.2°NCLIMGRID
1944Aug68.5°F71.4°F-2.9°NCLIMGRID
1944Sep62.3°F61.5°F+0.8°NCLIMGRID
1944Oct55.8°F49.9°F+5.9°NCLIMGRID
1944Nov36.8°F37.7°F-0.9°NCLIMGRID
1944Dec28.5°F28.1°F+0.4°NCLIMGRID
1945Jan30.5°F27.4°F+3.1°NCLIMGRID
1945Feb35.0°F32.9°F+2.1°NCLIMGRID
1945Mar37.6°F39.7°F-2.1°NCLIMGRID
1945Apr44.7°F47.2°F-2.5°NCLIMGRID
1945May56.0°F55.9°F+0.1°NCLIMGRID
1945Jun60.1°F64.9°F-4.8°NCLIMGRID
1945Jul73.0°F73.0°F+0.0°NCLIMGRID
1945Aug72.1°F71.4°F+0.7°NCLIMGRID
1945Sep58.9°F61.5°F-2.7°NCLIMGRID
1945Oct53.6°F49.9°F+3.7°NCLIMGRID
1945Nov36.6°F37.7°F-1.1°NCLIMGRID
1945Dec27.7°F28.1°F-0.4°NCLIMGRID
1946Jan24.3°F27.4°F-3.1°NCLIMGRID
1946Feb28.3°F32.9°F-4.6°NCLIMGRID
1946Mar41.0°F39.7°F+1.3°NCLIMGRID
1946Apr50.9°F47.2°F+3.7°NCLIMGRID
1946May56.8°F55.9°F+0.8°NCLIMGRID
1946Jun65.2°F64.9°F+0.3°NCLIMGRID
1946Jul74.9°F73.0°F+1.9°NCLIMGRID
1946Aug71.9°F71.4°F+0.5°NCLIMGRID
1946Sep60.6°F61.5°F-0.9°NCLIMGRID
1946Oct44.6°F49.9°F-5.4°NCLIMGRID
1946Nov36.1°F37.7°F-1.6°NCLIMGRID
1946Dec35.2°F28.1°F+7.0°NCLIMGRID
1947Jan22.5°F27.4°F-4.9°NCLIMGRID
1947Feb36.4°F32.9°F+3.5°NCLIMGRID
1947Mar43.4°F39.7°F+3.7°NCLIMGRID
1947Apr48.6°F47.2°F+1.4°NCLIMGRID
1947May61.3°F55.9°F+5.3°NCLIMGRID
1947Jun61.3°F64.9°F-3.6°NCLIMGRID
1947Jul74.9°F73.0°F+1.9°NCLIMGRID
1947Aug70.7°F71.4°F-0.7°NCLIMGRID
1947Sep62.2°F61.5°F+0.7°NCLIMGRID
1947Oct53.6°F49.9°F+3.7°NCLIMGRID
1947Nov34.4°F37.7°F-3.3°NCLIMGRID
1947Dec31.3°F28.1°F+3.2°NCLIMGRID
1948Jan29.4°F27.4°F+2.0°NCLIMGRID
1948Feb31.1°F32.9°F-1.8°NCLIMGRID
1948Mar36.1°F39.7°F-3.6°NCLIMGRID
1948Apr47.4°F47.2°F+0.2°NCLIMGRID
1948May56.7°F55.9°F+0.8°NCLIMGRID
1948Jun66.7°F64.9°F+1.8°NCLIMGRID
1948Jul71.4°F73.0°F-1.6°NCLIMGRID
1948Aug70.0°F71.4°F-1.4°NCLIMGRID
1948Sep61.8°F61.5°F+0.2°NCLIMGRID
1948Oct51.8°F49.9°F+1.8°NCLIMGRID
1948Nov34.8°F37.7°F-2.9°NCLIMGRID
1948Dec22.3°F28.1°F-5.8°NCLIMGRID
1949Jan6.6°F27.4°F-20.8°NCLIMGRID
1949Feb25.2°F32.9°F-7.7°NCLIMGRID
1949Mar39.8°F39.7°F+0.1°NCLIMGRID
1949Apr51.9°F47.2°F+4.7°NCLIMGRID
1949May60.7°F55.9°F+4.7°NCLIMGRID
1949Jun64.9°F64.9°F+0.0°NCLIMGRID
1949Jul73.3°F73.0°F+0.3°NCLIMGRID
1949Aug72.8°F71.4°F+1.4°NCLIMGRID
1949Sep64.7°F61.5°F+3.1°NCLIMGRID
1949Oct46.1°F49.9°F-3.8°NCLIMGRID
1949Nov44.8°F37.7°F+7.1°NCLIMGRID
1949Dec30.0°F28.1°F+1.9°NCLIMGRID
1950Jan23.4°F27.4°F-4.0°NCLIMGRID
1950Feb32.7°F32.9°F-0.2°NCLIMGRID
1950Mar37.3°F39.7°F-2.4°NCLIMGRID
1950Apr46.6°F47.2°F-0.6°NCLIMGRID
1950May53.6°F55.9°F-2.3°NCLIMGRID
1950Jun62.2°F64.9°F-2.7°NCLIMGRID
1950Jul71.8°F73.0°F-1.2°NCLIMGRID
1950Aug70.3°F71.4°F-1.1°NCLIMGRID
1950Sep62.3°F61.5°F+0.7°NCLIMGRID
1950Oct53.8°F49.9°F+3.9°NCLIMGRID
1950Nov40.9°F37.7°F+3.2°NCLIMGRID
1950Dec34.9°F28.1°F+6.8°NCLIMGRID
1951Jan25.3°F27.4°F-2.1°NCLIMGRID
1951Feb33.6°F32.9°F+0.7°NCLIMGRID
1951Mar34.3°F39.7°F-5.4°NCLIMGRID
1951Apr49.1°F47.2°F+1.9°NCLIMGRID
1951May56.8°F55.9°F+0.9°NCLIMGRID
1951Jun61.0°F64.9°F-3.9°NCLIMGRID
1951Jul73.8°F73.0°F+0.7°NCLIMGRID
1951Aug69.4°F71.4°F-2.1°NCLIMGRID
1951Sep62.2°F61.5°F+0.6°NCLIMGRID
1951Oct47.9°F49.9°F-2.0°NCLIMGRID
1951Nov35.9°F37.7°F-1.8°NCLIMGRID
1951Dec24.2°F28.1°F-3.9°NCLIMGRID
1952Jan21.9°F27.4°F-5.6°NCLIMGRID
1952Feb24.0°F32.9°F-8.9°NCLIMGRID
1952Mar33.1°F39.7°F-6.6°NCLIMGRID
1952Apr49.9°F47.2°F+2.7°NCLIMGRID
1952May57.7°F55.9°F+1.8°NCLIMGRID
1952Jun63.8°F64.9°F-1.1°NCLIMGRID
1952Jul72.0°F73.0°F-1.1°NCLIMGRID
1952Aug71.2°F71.4°F-0.2°NCLIMGRID
1952Sep64.8°F61.5°F+3.2°NCLIMGRID
1952Oct55.2°F49.9°F+5.3°NCLIMGRID
1952Nov31.9°F37.7°F-5.8°NCLIMGRID
1952Dec31.5°F28.1°F+3.4°NCLIMGRID
1953Jan38.2°F27.4°F+10.8°NCLIMGRID
1953Feb34.3°F32.9°F+1.4°NCLIMGRID
1953Mar40.8°F39.7°F+1.1°NCLIMGRID
1953Apr45.5°F47.2°F-1.7°NCLIMGRID
1953May51.5°F55.9°F-4.5°NCLIMGRID
1953Jun60.5°F64.9°F-4.4°NCLIMGRID
1953Jul74.2°F73.0°F+1.2°NCLIMGRID
1953Aug71.3°F71.4°F-0.1°NCLIMGRID
1953Sep65.3°F61.5°F+3.8°NCLIMGRID
1953Oct54.0°F49.9°F+4.1°NCLIMGRID
1953Nov44.1°F37.7°F+6.4°NCLIMGRID
1953Dec30.3°F28.1°F+2.2°NCLIMGRID
1954Jan31.6°F27.4°F+4.1°NCLIMGRID
1954Feb36.5°F32.9°F+3.6°NCLIMGRID
1954Mar37.0°F39.7°F-2.7°NCLIMGRID
1954Apr49.2°F47.2°F+2.0°NCLIMGRID
1954May59.9°F55.9°F+3.9°NCLIMGRID
1954Jun60.9°F64.9°F-4.0°NCLIMGRID
1954Jul74.7°F73.0°F+1.7°NCLIMGRID
1954Aug68.7°F71.4°F-2.7°NCLIMGRID
1954Sep61.8°F61.5°F+0.3°NCLIMGRID
1954Oct49.7°F49.9°F-0.2°NCLIMGRID
1954Nov41.6°F37.7°F+3.9°NCLIMGRID
1954Dec28.6°F28.1°F+0.5°NCLIMGRID
1955Jan22.4°F27.4°F-5.0°NCLIMGRID
1955Feb26.1°F32.9°F-6.8°NCLIMGRID
1955Mar33.2°F39.7°F-6.5°NCLIMGRID
1955Apr43.5°F47.2°F-3.7°NCLIMGRID
1955May54.1°F55.9°F-1.8°NCLIMGRID
1955Jun65.2°F64.9°F+0.3°NCLIMGRID
1955Jul71.8°F73.0°F-1.2°NCLIMGRID
1955Aug74.0°F71.4°F+2.6°NCLIMGRID
1955Sep61.0°F61.5°F-0.6°NCLIMGRID
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1984Jan22.2°F27.4°F-5.2°NCLIMGRID
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1984Mar39.6°F39.7°F-0.1°NCLIMGRID
1984Apr45.0°F47.2°F-2.2°NCLIMGRID
1984May54.4°F55.9°F-1.6°NCLIMGRID
1984Jun61.4°F64.9°F-3.5°NCLIMGRID
1984Jul73.4°F73.0°F+0.3°NCLIMGRID
1984Aug73.5°F71.4°F+2.1°NCLIMGRID
1984Sep59.6°F61.5°F-1.9°NCLIMGRID
1984Oct46.4°F49.9°F-3.5°NCLIMGRID
1984Nov37.7°F37.7°F+0.0°NCLIMGRID
1984Dec21.7°F28.1°F-6.4°NCLIMGRID
1985Jan19.9°F27.4°F-7.5°NCLIMGRID
1985Feb23.2°F32.9°F-9.7°NCLIMGRID
1985Mar33.9°F39.7°F-5.8°NCLIMGRID
1985Apr50.4°F47.2°F+3.2°NCLIMGRID
1985May58.2°F55.9°F+2.2°NCLIMGRID
1985Jun66.5°F64.9°F+1.6°NCLIMGRID
1985Jul77.2°F73.0°F+4.1°NCLIMGRID
1985Aug67.8°F71.4°F-3.6°NCLIMGRID
1985Sep54.7°F61.5°F-6.8°NCLIMGRID
1985Oct46.9°F49.9°F-3.0°NCLIMGRID
1985Nov27.5°F37.7°F-10.2°NCLIMGRID
1985Dec14.6°F28.1°F-13.5°NCLIMGRID
1986Jan30.8°F27.4°F+3.4°NCLIMGRID
1986Feb38.7°F32.9°F+5.8°NCLIMGRID
1986Mar46.0°F39.7°F+6.3°NCLIMGRID
1986Apr48.0°F47.2°F+0.8°NCLIMGRID
1986May56.7°F55.9°F+0.8°NCLIMGRID
1986Jun70.0°F64.9°F+5.1°NCLIMGRID
1986Jul69.4°F73.0°F-3.7°NCLIMGRID
1986Aug73.8°F71.4°F+2.4°NCLIMGRID
1986Sep56.2°F61.5°F-5.3°NCLIMGRID
1986Oct51.2°F49.9°F+1.3°NCLIMGRID
1986Nov38.2°F37.7°F+0.5°NCLIMGRID
1986Dec28.8°F28.1°F+0.7°NCLIMGRID
1987Jan25.1°F27.4°F-2.4°NCLIMGRID
1987Feb34.9°F32.9°F+2.0°NCLIMGRID
1987Mar42.0°F39.7°F+2.3°NCLIMGRID
1987Apr53.8°F47.2°F+6.6°NCLIMGRID
1987May60.4°F55.9°F+4.5°NCLIMGRID
1987Jun67.1°F64.9°F+2.2°NCLIMGRID
1987Jul70.3°F73.0°F-2.8°NCLIMGRID
1987Aug69.0°F71.4°F-2.5°NCLIMGRID
1987Sep64.0°F61.5°F+2.5°NCLIMGRID
1987Oct53.5°F49.9°F+3.6°NCLIMGRID
1987Nov40.5°F37.7°F+2.8°NCLIMGRID
1987Dec30.5°F28.1°F+2.4°NCLIMGRID
1988Jan26.3°F27.4°F-1.2°NCLIMGRID
1988Feb35.5°F32.9°F+2.6°NCLIMGRID
1988Mar40.9°F39.7°F+1.2°NCLIMGRID
1988Apr51.0°F47.2°F+3.8°NCLIMGRID
1988May56.2°F55.9°F+0.3°NCLIMGRID
1988Jun69.7°F64.9°F+4.8°NCLIMGRID
1988Jul74.8°F73.0°F+1.8°NCLIMGRID
1988Aug70.7°F71.4°F-0.7°NCLIMGRID
1988Sep60.4°F61.5°F-1.2°NCLIMGRID
1988Oct58.6°F49.9°F+8.7°NCLIMGRID
1988Nov36.5°F37.7°F-1.2°NCLIMGRID
1988Dec25.4°F28.1°F-2.7°NCLIMGRID
1989Jan23.9°F27.4°F-3.6°NCLIMGRID
1989Feb24.0°F32.9°F-8.9°NCLIMGRID
1989Mar40.2°F39.7°F+0.5°NCLIMGRID
1989Apr50.7°F47.2°F+3.5°NCLIMGRID
1989May55.0°F55.9°F-0.9°NCLIMGRID
1989Jun66.1°F64.9°F+1.2°NCLIMGRID
1989Jul75.6°F73.0°F+2.5°NCLIMGRID
1989Aug69.4°F71.4°F-2.0°NCLIMGRID
1989Sep62.5°F61.5°F+1.0°NCLIMGRID
1989Oct50.1°F49.9°F+0.2°NCLIMGRID
1989Nov39.4°F37.7°F+1.7°NCLIMGRID
1989Dec31.1°F28.1°F+3.0°NCLIMGRID
1990Jan32.6°F27.4°F+5.1°NCLIMGRID
1990Feb30.8°F32.9°F-2.1°NCLIMGRID
1990Mar42.5°F39.7°F+2.8°NCLIMGRID
1990Apr53.9°F47.2°F+6.7°NCLIMGRID
1990May54.0°F55.9°F-1.9°NCLIMGRID
1990Jun64.4°F64.9°F-0.5°NCLIMGRID
1990Jul74.2°F73.0°F+1.2°NCLIMGRID
1990Aug72.3°F71.4°F+0.9°NCLIMGRID
1990Sep67.7°F61.5°F+6.2°NCLIMGRID
1990Oct50.4°F49.9°F+0.5°NCLIMGRID
1990Nov39.3°F37.7°F+1.6°NCLIMGRID
1990Dec19.2°F28.1°F-8.9°NCLIMGRID
1991Jan26.3°F27.4°F-1.1°NCLIMGRID
1991Feb40.2°F32.9°F+7.3°NCLIMGRID
1991Mar40.0°F39.7°F+0.3°NCLIMGRID
1991Apr46.0°F47.2°F-1.2°NCLIMGRID
1991May53.2°F55.9°F-2.8°NCLIMGRID
1991Jun61.6°F64.9°F-3.3°NCLIMGRID
1991Jul74.8°F73.0°F+1.8°NCLIMGRID
1991Aug75.2°F71.4°F+3.8°NCLIMGRID
1991Sep63.8°F61.5°F+2.2°NCLIMGRID
1991Oct50.3°F49.9°F+0.4°NCLIMGRID
1991Nov36.1°F37.7°F-1.6°NCLIMGRID
1991Dec31.4°F28.1°F+3.3°NCLIMGRID
1992Jan31.2°F27.4°F+3.8°NCLIMGRID
1992Feb39.8°F32.9°F+6.9°NCLIMGRID
1992Mar46.4°F39.7°F+6.7°NCLIMGRID
1992Apr52.9°F47.2°F+5.7°NCLIMGRID
1992May62.8°F55.9°F+6.8°NCLIMGRID
1992Jun67.4°F64.9°F+2.5°NCLIMGRID
1992Jul70.7°F73.0°F-2.4°NCLIMGRID
1992Aug73.0°F71.4°F+1.6°NCLIMGRID
1992Sep61.3°F61.5°F-0.3°NCLIMGRID
1992Oct54.1°F49.9°F+4.2°NCLIMGRID
1992Nov33.3°F37.7°F-4.4°NCLIMGRID
1992Dec26.3°F28.1°F-1.8°NCLIMGRID
1993Jan24.1°F27.4°F-3.4°NCLIMGRID
1993Feb27.7°F32.9°F-5.2°NCLIMGRID
1993Mar40.0°F39.7°F+0.3°NCLIMGRID
1993Apr45.3°F47.2°F-1.9°NCLIMGRID
1993May61.3°F55.9°F+5.3°NCLIMGRID
1993Jun59.8°F64.9°F-5.1°NCLIMGRID
1993Jul63.5°F73.0°F-9.5°NCLIMGRID
1993Aug66.5°F71.4°F-4.9°NCLIMGRID
1993Sep60.9°F61.5°F-0.7°NCLIMGRID
1993Oct51.4°F49.9°F+1.5°NCLIMGRID
1993Nov32.1°F37.7°F-5.6°NCLIMGRID
1993Dec28.9°F28.1°F+0.8°NCLIMGRID
1994Jan32.9°F27.4°F+5.5°NCLIMGRID
1994Feb30.7°F32.9°F-2.2°NCLIMGRID
1994Mar44.5°F39.7°F+4.8°NCLIMGRID
1994Apr50.8°F47.2°F+3.6°NCLIMGRID
1994May59.9°F55.9°F+4.0°NCLIMGRID
1994Jun66.9°F64.9°F+2.0°NCLIMGRID
1994Jul75.8°F73.0°F+2.7°NCLIMGRID
1994Aug74.9°F71.4°F+3.5°NCLIMGRID
1994Sep65.4°F61.5°F+3.8°NCLIMGRID
1994Oct49.1°F49.9°F-0.8°NCLIMGRID
1994Nov29.7°F37.7°F-8.0°NCLIMGRID
1994Dec28.4°F28.1°F+0.3°NCLIMGRID
1995Jan31.8°F27.4°F+4.3°NCLIMGRID
1995Feb39.7°F32.9°F+6.8°NCLIMGRID
1995Mar39.6°F39.7°F-0.1°NCLIMGRID
1995Apr46.7°F47.2°F-0.5°NCLIMGRID
1995May54.4°F55.9°F-1.5°NCLIMGRID
1995Jun61.3°F64.9°F-3.6°NCLIMGRID
1995Jul70.7°F73.0°F-2.4°NCLIMGRID
1995Aug70.0°F71.4°F-1.4°NCLIMGRID
1995Sep63.5°F61.5°F+2.0°NCLIMGRID
1995Oct48.3°F49.9°F-1.6°NCLIMGRID
1995Nov43.0°F37.7°F+5.3°NCLIMGRID
1995Dec31.4°F28.1°F+3.3°NCLIMGRID
1996Jan29.8°F27.4°F+2.3°NCLIMGRID
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1996Mar41.8°F39.7°F+2.1°NCLIMGRID
1996Apr48.0°F47.2°F+0.8°NCLIMGRID
1996May53.7°F55.9°F-2.2°NCLIMGRID
1996Jun65.3°F64.9°F+0.4°NCLIMGRID
1996Jul74.9°F73.0°F+1.9°NCLIMGRID
1996Aug71.9°F71.4°F+0.5°NCLIMGRID
1996Sep59.4°F61.5°F-2.1°NCLIMGRID
1996Oct50.6°F49.9°F+0.7°NCLIMGRID
1996Nov40.3°F37.7°F+2.6°NCLIMGRID
1996Dec31.1°F28.1°F+3.0°NCLIMGRID
1997Jan28.7°F27.4°F+1.3°NCLIMGRID
1997Feb32.3°F32.9°F-0.6°NCLIMGRID
1997Mar41.2°F39.7°F+1.5°NCLIMGRID
1997Apr45.6°F47.2°F-1.6°NCLIMGRID
1997May60.6°F55.9°F+4.7°NCLIMGRID
1997Jun64.9°F64.9°F+0.0°NCLIMGRID
1997Jul70.3°F73.0°F-2.8°NCLIMGRID
1997Aug72.4°F71.4°F+1.0°NCLIMGRID
1997Sep64.1°F61.5°F+2.5°NCLIMGRID
1997Oct49.1°F49.9°F-0.8°NCLIMGRID
1997Nov40.2°F37.7°F+2.5°NCLIMGRID
1997Dec28.7°F28.1°F+0.6°NCLIMGRID
1998Jan33.5°F27.4°F+6.0°NCLIMGRID
1998Feb33.7°F32.9°F+0.8°NCLIMGRID
1998Mar39.7°F39.7°F+0.0°NCLIMGRID
1998Apr47.5°F47.2°F+0.3°NCLIMGRID
1998May54.5°F55.9°F-1.4°NCLIMGRID
1998Jun60.4°F64.9°F-4.5°NCLIMGRID
1998Jul76.8°F73.0°F+3.8°NCLIMGRID
1998Aug74.8°F71.4°F+3.3°NCLIMGRID
1998Sep66.3°F61.5°F+4.8°NCLIMGRID
1998Oct49.3°F49.9°F-0.7°NCLIMGRID
1998Nov38.9°F37.7°F+1.2°NCLIMGRID
1998Dec27.6°F28.1°F-0.6°NCLIMGRID
1999Jan31.6°F27.4°F+4.1°NCLIMGRID
1999Feb32.2°F32.9°F-0.7°NCLIMGRID
1999Mar38.6°F39.7°F-1.1°NCLIMGRID
1999Apr44.9°F47.2°F-2.3°NCLIMGRID
1999May54.2°F55.9°F-1.7°NCLIMGRID
1999Jun63.8°F64.9°F-1.1°NCLIMGRID
1999Jul72.0°F73.0°F-1.0°NCLIMGRID
1999Aug72.5°F71.4°F+1.1°NCLIMGRID
1999Sep61.2°F61.5°F-0.3°NCLIMGRID
1999Oct52.9°F49.9°F+3.0°NCLIMGRID
1999Nov45.7°F37.7°F+8.0°NCLIMGRID
1999Dec31.3°F28.1°F+3.2°NCLIMGRID
2000Jan29.8°F27.4°F+2.3°NCLIMGRID
2000Feb37.1°F32.9°F+4.2°NCLIMGRID
2000Mar39.3°F39.7°F-0.4°NCLIMGRID
2000Apr52.2°F47.2°F+5.0°NCLIMGRID
2000May57.6°F55.9°F+1.6°NCLIMGRID
2000Jun67.0°F64.9°F+2.1°NCLIMGRID
2000Jul75.0°F73.0°F+2.0°NCLIMGRID
2000Aug74.6°F71.4°F+3.1°NCLIMGRID
2000Sep60.4°F61.5°F-1.1°NCLIMGRID
2000Oct49.7°F49.9°F-0.2°NCLIMGRID
2000Nov31.3°F37.7°F-6.4°NCLIMGRID
2000Dec29.7°F28.1°F+1.6°NCLIMGRID
2001Jan27.5°F27.4°F+0.1°NCLIMGRID
2001Feb31.2°F32.9°F-1.7°NCLIMGRID
2001Mar43.5°F39.7°F+3.8°NCLIMGRID
2001Apr46.1°F47.2°F-1.1°NCLIMGRID
2001May60.3°F55.9°F+4.3°NCLIMGRID
2001Jun66.3°F64.9°F+1.4°NCLIMGRID
2001Jul73.0°F73.0°F+0.0°NCLIMGRID
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2001Nov42.5°F37.7°F+4.8°NCLIMGRID
2001Dec26.9°F28.1°F-1.2°NCLIMGRID
2002Jan27.5°F27.4°F+0.0°NCLIMGRID
2002Feb29.4°F32.9°F-3.5°NCLIMGRID
2002Mar36.9°F39.7°F-2.8°NCLIMGRID
2002Apr48.4°F47.2°F+1.2°NCLIMGRID
2002May56.9°F55.9°F+1.0°NCLIMGRID
2002Jun67.4°F64.9°F+2.5°NCLIMGRID
2002Jul77.5°F73.0°F+4.5°NCLIMGRID
2002Aug69.1°F71.4°F-2.3°NCLIMGRID
2002Sep62.9°F61.5°F+1.3°NCLIMGRID
2002Oct48.2°F49.9°F-1.7°NCLIMGRID
2002Nov39.5°F37.7°F+1.8°NCLIMGRID
2002Dec34.0°F28.1°F+5.9°NCLIMGRID
2003Jan36.6°F27.4°F+9.2°NCLIMGRID
2003Feb33.4°F32.9°F+0.5°NCLIMGRID
2003Mar43.4°F39.7°F+3.7°NCLIMGRID
2003Apr47.3°F47.2°F+0.1°NCLIMGRID
2003May57.2°F55.9°F+1.3°NCLIMGRID
2003Jun66.8°F64.9°F+1.9°NCLIMGRID
2003Jul78.8°F73.0°F+5.8°NCLIMGRID
2003Aug75.0°F71.4°F+3.5°NCLIMGRID
2003Sep63.7°F61.5°F+2.1°NCLIMGRID
2003Oct56.2°F49.9°F+6.3°NCLIMGRID
2003Nov34.5°F37.7°F-3.2°NCLIMGRID
2003Dec33.6°F28.1°F+5.5°NCLIMGRID
2004Jan26.9°F27.4°F-0.6°NCLIMGRID
2004Feb30.7°F32.9°F-2.2°NCLIMGRID
2004Mar45.8°F39.7°F+6.1°NCLIMGRID
2004Apr51.7°F47.2°F+4.5°NCLIMGRID
2004May56.0°F55.9°F+0.1°NCLIMGRID
2004Jun66.7°F64.9°F+1.8°NCLIMGRID
2004Jul75.2°F73.0°F+2.1°NCLIMGRID
2004Aug70.7°F71.4°F-0.7°NCLIMGRID
2004Sep61.0°F61.5°F-0.5°NCLIMGRID
2004Oct51.2°F49.9°F+1.2°NCLIMGRID
2004Nov39.1°F37.7°F+1.4°NCLIMGRID
2004Dec33.2°F28.1°F+5.1°NCLIMGRID
2005Jan31.5°F27.4°F+4.0°NCLIMGRID
2005Feb33.8°F32.9°F+0.9°NCLIMGRID
2005Mar42.3°F39.7°F+2.6°NCLIMGRID
2005Apr47.7°F47.2°F+0.5°NCLIMGRID
2005May56.1°F55.9°F+0.2°NCLIMGRID
2005Jun62.0°F64.9°F-2.9°NCLIMGRID
2005Jul75.1°F73.0°F+2.0°NCLIMGRID
2005Aug72.8°F71.4°F+1.4°NCLIMGRID
2005Sep60.7°F61.5°F-0.8°NCLIMGRID
2005Oct51.8°F49.9°F+1.9°NCLIMGRID
2005Nov37.4°F37.7°F-0.3°NCLIMGRID
2005Dec27.7°F28.1°F-0.4°NCLIMGRID
2006Jan31.8°F27.4°F+4.4°NCLIMGRID
2006Feb29.4°F32.9°F-3.5°NCLIMGRID
2006Mar37.9°F39.7°F-1.8°NCLIMGRID
2006Apr48.4°F47.2°F+1.2°NCLIMGRID
2006May58.8°F55.9°F+2.9°NCLIMGRID
2006Jun69.0°F64.9°F+4.1°NCLIMGRID
2006Jul78.5°F73.0°F+5.5°NCLIMGRID
2006Aug70.9°F71.4°F-0.6°NCLIMGRID
2006Sep61.5°F61.5°F+0.0°NCLIMGRID
2006Oct49.5°F49.9°F-0.4°NCLIMGRID
2006Nov39.7°F37.7°F+2.0°NCLIMGRID
2006Dec30.1°F28.1°F+2.0°NCLIMGRID
2007Jan25.4°F27.4°F-2.1°NCLIMGRID
2007Feb36.9°F32.9°F+4.0°NCLIMGRID
2007Mar45.4°F39.7°F+5.7°NCLIMGRID
2007Apr49.6°F47.2°F+2.4°NCLIMGRID
2007May60.0°F55.9°F+4.1°NCLIMGRID
2007Jun67.9°F64.9°F+3.0°NCLIMGRID
2007Jul80.3°F73.0°F+7.3°NCLIMGRID
2007Aug73.8°F71.4°F+2.4°NCLIMGRID
2007Sep62.0°F61.5°F+0.5°NCLIMGRID
2007Oct48.6°F49.9°F-1.3°NCLIMGRID
2007Nov39.3°F37.7°F+1.5°NCLIMGRID
2007Dec27.9°F28.1°F-0.2°NCLIMGRID
2008Jan24.1°F27.4°F-3.3°NCLIMGRID
2008Feb31.8°F32.9°F-1.1°NCLIMGRID
2008Mar37.1°F39.7°F-2.6°NCLIMGRID
2008Apr41.9°F47.2°F-5.3°NCLIMGRID
2008May56.3°F55.9°F+0.4°NCLIMGRID
2008Jun64.1°F64.9°F-0.8°NCLIMGRID
2008Jul75.2°F73.0°F+2.2°NCLIMGRID
2008Aug72.6°F71.4°F+1.2°NCLIMGRID
2008Sep62.8°F61.5°F+1.3°NCLIMGRID
2008Oct50.6°F49.9°F+0.7°NCLIMGRID
2008Nov43.3°F37.7°F+5.6°NCLIMGRID
2008Dec28.6°F28.1°F+0.5°NCLIMGRID
2009Jan31.2°F27.4°F+3.8°NCLIMGRID
2009Feb33.7°F32.9°F+0.8°NCLIMGRID
2009Mar37.7°F39.7°F-2.0°NCLIMGRID
2009Apr47.3°F47.2°F+0.1°NCLIMGRID
2009May58.0°F55.9°F+2.1°NCLIMGRID
2009Jun63.9°F64.9°F-1.0°NCLIMGRID
2009Jul74.4°F73.0°F+1.3°NCLIMGRID
2009Aug71.3°F71.4°F-0.1°NCLIMGRID
2009Sep67.9°F61.5°F+6.4°NCLIMGRID
2009Oct45.6°F49.9°F-4.3°NCLIMGRID
2009Nov39.0°F37.7°F+1.3°NCLIMGRID
2009Dec25.0°F28.1°F-3.1°NCLIMGRID
2010Jan32.3°F27.4°F+4.8°NCLIMGRID
2010Feb34.8°F32.9°F+1.9°NCLIMGRID
2010Mar40.1°F39.7°F+0.4°NCLIMGRID
2010Apr45.3°F47.2°F-1.9°NCLIMGRID
2010May50.2°F55.9°F-5.7°NCLIMGRID
2010Jun62.8°F64.9°F-2.1°NCLIMGRID
2010Jul72.3°F73.0°F-0.7°NCLIMGRID
2010Aug70.2°F71.4°F-1.2°NCLIMGRID
2010Sep63.7°F61.5°F+2.2°NCLIMGRID
2010Oct53.6°F49.9°F+3.7°NCLIMGRID
2010Nov37.3°F37.7°F-0.4°NCLIMGRID
2010Dec32.3°F28.1°F+4.2°NCLIMGRID
2011Jan28.7°F27.4°F+1.3°NCLIMGRID
2011Feb30.8°F32.9°F-2.1°NCLIMGRID
2011Mar39.1°F39.7°F-0.6°NCLIMGRID
2011Apr42.5°F47.2°F-4.7°NCLIMGRID
2011May52.5°F55.9°F-3.5°NCLIMGRID
2011Jun61.0°F64.9°F-3.9°NCLIMGRID
2011Jul72.3°F73.0°F-0.7°NCLIMGRID
2011Aug74.6°F71.4°F+3.1°NCLIMGRID
2011Sep66.6°F61.5°F+5.1°NCLIMGRID
2011Oct51.5°F49.9°F+1.6°NCLIMGRID
2011Nov37.5°F37.7°F-0.2°NCLIMGRID
2011Dec31.0°F28.1°F+2.9°NCLIMGRID
2012Jan32.0°F27.4°F+4.5°NCLIMGRID
2012Feb34.6°F32.9°F+1.7°NCLIMGRID
2012Mar42.3°F39.7°F+2.6°NCLIMGRID
2012Apr51.2°F47.2°F+4.0°NCLIMGRID
2012May56.8°F55.9°F+0.9°NCLIMGRID
2012Jun64.9°F64.9°F+0.0°NCLIMGRID
2012Jul77.0°F73.0°F+4.0°NCLIMGRID
2012Aug75.6°F71.4°F+4.2°NCLIMGRID
2012Sep66.4°F61.5°F+4.9°NCLIMGRID
2012Oct50.4°F49.9°F+0.5°NCLIMGRID
2012Nov42.5°F37.7°F+4.8°NCLIMGRID
2012Dec29.4°F28.1°F+1.3°NCLIMGRID
2013Jan25.1°F27.4°F-2.3°NCLIMGRID
2013Feb35.0°F32.9°F+2.1°NCLIMGRID
2013Mar42.6°F39.7°F+2.9°NCLIMGRID
2013Apr47.6°F47.2°F+0.4°NCLIMGRID
2013May58.1°F55.9°F+2.2°NCLIMGRID
2013Jun68.1°F64.9°F+3.2°NCLIMGRID
2013Jul79.1°F73.0°F+6.1°NCLIMGRID
2013Aug76.4°F71.4°F+5.0°NCLIMGRID
2013Sep63.6°F61.5°F+2.1°NCLIMGRID
2013Oct49.4°F49.9°F-0.5°NCLIMGRID
2013Nov41.1°F37.7°F+3.3°NCLIMGRID
2013Dec28.9°F28.1°F+0.8°NCLIMGRID
2014Jan34.4°F27.4°F+7.0°NCLIMGRID
2014Feb36.1°F32.9°F+3.2°NCLIMGRID
2014Mar44.0°F39.7°F+4.3°NCLIMGRID
2014Apr49.0°F47.2°F+1.8°NCLIMGRID
2014May59.6°F55.9°F+3.6°NCLIMGRID
2014Jun65.4°F64.9°F+0.5°NCLIMGRID
2014Jul78.0°F73.0°F+5.0°NCLIMGRID
2014Aug70.6°F71.4°F-0.8°NCLIMGRID
2014Sep64.6°F61.5°F+3.1°NCLIMGRID
2014Oct55.3°F49.9°F+5.4°NCLIMGRID
2014Nov37.0°F37.7°F-0.7°NCLIMGRID
2014Dec35.0°F28.1°F+6.9°NCLIMGRID
2015Jan33.6°F27.4°F+6.1°NCLIMGRID
2015Feb42.0°F32.9°F+9.1°NCLIMGRID
2015Mar47.9°F39.7°F+8.3°NCLIMGRID
2015Apr49.4°F47.2°F+2.2°NCLIMGRID
2015May59.4°F55.9°F+3.4°NCLIMGRID
2015Jun73.3°F64.9°F+8.4°NCLIMGRID
2015Jul72.6°F73.0°F-0.4°NCLIMGRID
2015Aug73.4°F71.4°F+2.0°NCLIMGRID
2015Sep64.5°F61.5°F+3.0°NCLIMGRID
2015Oct57.4°F49.9°F+7.5°NCLIMGRID
2015Nov36.4°F37.7°F-1.3°NCLIMGRID
2015Dec28.7°F28.1°F+0.5°NCLIMGRID
2016Jan30.5°F27.4°F+3.0°NCLIMGRID
2016Feb37.9°F32.9°F+5.0°NCLIMGRID
2016Mar44.2°F39.7°F+4.5°NCLIMGRID
2016Apr54.7°F47.2°F+7.5°NCLIMGRID
2016May58.3°F55.9°F+2.3°NCLIMGRID
2016Jun69.4°F64.9°F+4.5°NCLIMGRID
2016Jul73.1°F73.0°F+0.1°NCLIMGRID
2016Aug71.9°F71.4°F+0.5°NCLIMGRID
2016Sep61.5°F61.5°F+0.0°NCLIMGRID
2016Oct52.7°F49.9°F+2.8°NCLIMGRID
2016Nov45.4°F37.7°F+7.7°NCLIMGRID
2016Dec25.6°F28.1°F-2.5°NCLIMGRID
2017Jan22.4°F27.4°F-5.1°NCLIMGRID
2017Feb34.6°F32.9°F+1.7°NCLIMGRID
2017Mar45.6°F39.7°F+5.9°NCLIMGRID
2017Apr46.6°F47.2°F-0.6°NCLIMGRID
2017May57.3°F55.9°F+1.3°NCLIMGRID
2017Jun66.8°F64.9°F+1.9°NCLIMGRID
2017Jul78.6°F73.0°F+5.6°NCLIMGRID
2017Aug74.6°F71.4°F+3.2°NCLIMGRID
2017Sep62.2°F61.5°F+0.7°NCLIMGRID
2017Oct48.3°F49.9°F-1.6°NCLIMGRID
2017Nov41.5°F37.7°F+3.8°NCLIMGRID
2017Dec30.7°F28.1°F+2.5°NCLIMGRID
2018Jan35.5°F27.4°F+8.1°NCLIMGRID
2018Feb32.6°F32.9°F-0.3°NCLIMGRID
2018Mar40.0°F39.7°F+0.3°NCLIMGRID
2018Apr50.3°F47.2°F+3.0°NCLIMGRID
2018May61.1°F55.9°F+5.1°NCLIMGRID
2018Jun65.9°F64.9°F+1.0°NCLIMGRID
2018Jul77.6°F73.0°F+4.6°NCLIMGRID
2018Aug73.0°F71.4°F+1.5°NCLIMGRID
2018Sep64.5°F61.5°F+3.0°NCLIMGRID
2018Oct50.7°F49.9°F+0.7°NCLIMGRID
2018Nov38.3°F37.7°F+0.6°NCLIMGRID
2018Dec30.1°F28.1°F+2.0°NCLIMGRID
2019Jan32.3°F27.4°F+4.8°NCLIMGRID
2019Feb30.9°F32.9°F-2.0°NCLIMGRID
2019Mar39.7°F39.7°F+0.0°NCLIMGRID
2019Apr50.9°F47.2°F+3.7°NCLIMGRID
2019May56.7°F55.9°F+0.7°NCLIMGRID
2019Jun65.1°F64.9°F+0.2°NCLIMGRID
2019Jul74.1°F73.0°F+1.0°NCLIMGRID
2019Aug74.2°F71.4°F+2.8°NCLIMGRID
2019Sep62.4°F61.5°F+0.9°NCLIMGRID
2019Oct44.1°F49.9°F-5.9°NCLIMGRID
2019Nov41.3°F37.7°F+3.6°NCLIMGRID
2019Dec32.7°F28.1°F+4.6°NCLIMGRID
2020Jan33.7°F27.4°F+6.2°NCLIMGRID
2020Feb33.6°F32.9°F+0.7°NCLIMGRID
2020Mar42.9°F39.7°F+3.2°NCLIMGRID
2020Apr49.6°F47.2°F+2.4°NCLIMGRID
2020May58.0°F55.9°F+2.1°NCLIMGRID
2020Jun64.6°F64.9°F-0.3°NCLIMGRID
2020Jul74.0°F73.0°F+0.9°NCLIMGRID
2020Aug75.6°F71.4°F+4.2°NCLIMGRID
2020Sep66.5°F61.5°F+5.0°NCLIMGRID
2020Oct53.5°F49.9°F+3.5°NCLIMGRID
2020Nov38.6°F37.7°F+0.8°NCLIMGRID
2020Dec31.6°F28.1°F+3.4°NCLIMGRID
2021Jan32.3°F27.4°F+4.9°NCLIMGRID
2021Feb33.5°F32.9°F+0.6°NCLIMGRID
2021Mar42.0°F39.7°F+2.3°NCLIMGRID
2021Apr49.8°F47.2°F+2.6°NCLIMGRID
2021May58.1°F55.9°F+2.2°NCLIMGRID
2021Jun74.1°F64.9°F+9.2°NCLIMGRID
2021Jul80.5°F73.0°F+7.5°NCLIMGRID
2021Aug71.8°F71.4°F+0.3°NCLIMGRID
2021Sep64.7°F61.5°F+3.2°NCLIMGRID
2021Oct52.2°F49.9°F+2.3°NCLIMGRID
2021Nov43.3°F37.7°F+5.6°NCLIMGRID
2021Dec33.0°F28.1°F+4.9°NCLIMGRID
2022Jan27.6°F27.4°F+0.2°NCLIMGRID
2022Feb27.8°F32.9°F-5.1°NCLIMGRID
2022Mar43.0°F39.7°F+3.3°NCLIMGRID
2022Apr45.1°F47.2°F-2.1°NCLIMGRID
2022May55.1°F55.9°F-0.8°NCLIMGRID
2022Jun66.0°F64.9°F+1.1°NCLIMGRID
2022Jul77.9°F73.0°F+4.9°NCLIMGRID
2022Aug78.7°F71.4°F+7.3°NCLIMGRID
2022Sep68.8°F61.5°F+7.2°NCLIMGRID
2022Oct54.0°F49.9°F+4.1°NCLIMGRID
2022Nov32.7°F37.7°F-5.0°NCLIMGRID
2022Dec28.9°F28.1°F+0.8°NCLIMGRID
2023Jan28.9°F27.4°F+1.5°NCLIMGRID
2023Feb30.2°F32.9°F-2.7°NCLIMGRID
2023Mar33.7°F39.7°F-6.0°NCLIMGRID
2023Apr46.0°F47.2°F-1.2°NCLIMGRID
2023May61.3°F55.9°F+5.3°NCLIMGRID
2023Jun64.3°F64.9°F-0.6°NCLIMGRID
2023Jul77.3°F73.0°F+4.2°NCLIMGRID
2023Aug73.1°F71.4°F+1.7°NCLIMGRID
2023Sep64.4°F61.5°F+2.9°NCLIMGRID
2023Oct53.5°F49.9°F+3.6°NCLIMGRID
2023Nov40.8°F37.7°F+3.1°NCLIMGRID
2023Dec35.9°F28.1°F+7.7°NCLIMGRID
2024Jan32.1°F27.4°F+4.6°NCLIMGRID
2024Feb36.6°F32.9°F+3.7°NCLIMGRID
2024Mar40.8°F39.7°F+1.1°NCLIMGRID
2024Apr50.5°F47.2°F+3.3°NCLIMGRID
2024May54.7°F55.9°F-1.3°NCLIMGRID
2024Jun69.2°F64.9°F+4.3°NCLIMGRID
2024Jul78.3°F73.0°F+5.3°NCLIMGRID
2024Aug73.7°F71.4°F+2.3°NCLIMGRID
2024Sep66.5°F61.5°F+4.9°NCLIMGRID
2024Oct56.4°F49.9°F+6.5°NCLIMGRID
2024Nov37.3°F37.7°F-0.4°NCLIMGRID
2024Dec36.4°F28.1°F+8.3°NCLIMGRID
2025Jan27.0°F27.4°F-0.4°NCLIMGRID
2025Feb31.6°F32.9°F-1.3°NCLIMGRID
2025Mar42.4°F39.7°F+2.7°NCLIMGRID
2025Apr50.2°F47.2°F+3.0°NCLIMGRID
2025May59.9°F55.9°F+4.0°NCLIMGRID
2025Jun68.6°F64.9°F+3.7°NCLIMGRID
2025Jul75.7°F73.0°F+2.7°NCLIMGRID
2025Aug73.7°F71.4°F+2.3°NCLIMGRID
2025Sep66.9°F61.5°F+5.3°NCLIMGRID
2025Oct49.5°F49.9°F-0.4°NCLIMGRID
2025Nov45.7°F37.7°F+8.0°NCLIMGRID
2025Dec40.2°F28.1°F+12.1°NCLIMGRID
2026Jan33.0°F27.4°F+5.5°NCLIMGRID
2026Feb40.1°F32.9°F+7.2°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
January27.4°F26/26
February32.9°F26/26
March39.7°F26/26
April47.2°F26/26
May55.9°F26/26
June64.9°F26/26
July73.0°F26/26
August71.4°F26/26
September61.5°F26/26
October49.9°F26/26
November37.7°F26/26
December28.1°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 Glenns Ferry, Idaho getting warmer?

Based on 96+ years of NOAA temperature records, Glenns Ferry has warmed at a rate of approximately 0.25°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 Glenns Ferry?

The warmest year on record in Glenns Ferry was 1934, based on average annual temperature anomaly from NOAA station data.

Where does the temperature data for Glenns Ferry 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 Glenns Ferry's climate profile.

How are the climate visualizations for Glenns Ferry created?

Three visualizations are generated from Glenns Ferry'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 Glenns Ferry's temperature data?

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

Wear Glenns Ferry's Climate Story

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