Climate Change in Hamilton, Colorado

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

Based on our analysis of 96 years of temperature data near Hamilton, CO, this area shows a warming trend of approximately +0.3°F per decade. 10 of the last 10 years recorded above-average temperatures, and 2012 was the warmest year on record at +4.8°F above the historical baseline.

Key Climate Facts

Rate of Change

+0.3°F

per decade

Warmest Year

2012

+4.8°F anomaly

Recent Warm Years

10 / 10

above-average years

Decade Shift

+1.9°F

2020s vs 1930s

Compared to the National Average

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

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

Temperature anomaly spiral for Hamilton, Colorado
Climate spiral: monthly temperature anomalies from 96+ years of NOAA records for Hamilton, CO.

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 Hamilton, Colorado
Warming stripes: each stripe is one year of average temperature anomaly for Hamilton, CO.

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 Hamilton, Colorado
Linear trend: annual temperature anomalies with trend line for Hamilton, CO.

Temperature by Decade

1930s
+0.40°F
1940s
-0.02°F
1950s
-0.24°F
1960s
-0.56°F
1970s
-0.31°F
1980s
+0.42°F
1990s
+1.01°F
2000s
+1.62°F
2010s
+2.28°F
2020s
+2.46°F

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

Anomaly Scale

-5.2°F Colder Normal +6.1°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 Hamilton, CO. Filter by decade or download as CSV.

Data Sources & Audit

Station
nClimGrid 5km Grid Point
Distance
1.6 mi
Coverage
99.1%
Records
1,154
Range
1930-01 – 2026-02
Full Data Audit 1,154 records
YearMonthTempBaselineAnomalySourceGap
1930Jan11.0°F18.7°F-7.6°NCLIMGRID
1930Feb29.3°F22.8°F+6.5°NCLIMGRID
1930Mar31.2°F31.8°F-0.6°NCLIMGRID
1930Apr46.0°F40.7°F+5.3°NCLIMGRID
1930May46.3°F49.9°F-3.6°NCLIMGRID
1930Jun59.3°F59.3°F+0.0°NCLIMGRID
1930Jul67.4°F66.2°F+1.2°NCLIMGRID
1930Aug64.5°F64.2°F+0.3°NCLIMGRID
1930Sep54.9°F55.3°F-0.4°NCLIMGRID
1930Oct43.4°F43.6°F-0.2°NCLIMGRID
1930Nov26.9°F30.9°F-3.9°NCLIMGRID
1930Dec12.7°F20.3°F-7.6°NCLIMGRID
1931Jan15.5°F18.7°F-3.2°NCLIMGRID
1931Feb27.4°F22.8°F+4.6°NCLIMGRID
1931Mar28.4°F31.8°F-3.3°NCLIMGRID
1931Apr41.8°F40.7°F+1.1°NCLIMGRID
1931May48.7°F49.9°F-1.2°NCLIMGRID
1931Jun62.1°F59.3°F+2.8°NCLIMGRID
1931Jul68.6°F66.2°F+2.4°NCLIMGRID
1931Aug64.3°F64.2°F+0.1°NCLIMGRID
1931Sep57.6°F55.3°F+2.2°NCLIMGRID
1931Oct46.8°F43.6°F+3.2°NCLIMGRID
1931Nov27.5°F30.9°F-3.3°NCLIMGRID
1931Dec14.6°F20.3°F-5.6°NCLIMGRID
1932Jan11.8°F18.7°F-6.9°NCLIMGRID
1932Feb23.5°F22.8°F+0.7°NCLIMGRID
1932Mar26.1°F31.8°F-5.6°NCLIMGRID
1932Apr41.1°F40.7°F+0.4°NCLIMGRID
1932May51.3°F49.9°F+1.4°NCLIMGRID
1932Jun58.0°F59.3°F-1.3°NCLIMGRID
1932Jul65.7°F66.2°F-0.5°NCLIMGRID
1932Aug63.9°F64.2°F-0.3°NCLIMGRID
1932Sep55.2°F55.3°F-0.1°NCLIMGRID
1932Oct43.1°F43.6°F-0.4°NCLIMGRID
1932Nov32.2°F30.9°F+1.3°NCLIMGRID
1932Dec14.4°F20.3°F-5.9°NCLIMGRID
1933Jan18.0°F18.7°F-0.7°NCLIMGRID
1933Feb12.2°F22.8°F-10.6°NCLIMGRID
1933Mar32.0°F31.8°F+0.3°NCLIMGRID
1933Apr37.9°F40.7°F-2.8°NCLIMGRID
1933May47.3°F49.9°F-2.7°NCLIMGRID
1933Jun64.1°F59.3°F+4.8°NCLIMGRID
1933Jul69.7°F66.2°F+3.5°NCLIMGRID
1933Aug63.9°F64.2°F-0.3°NCLIMGRID
1933Sep59.1°F55.3°F+3.8°NCLIMGRID
1933Oct47.8°F43.6°F+4.2°NCLIMGRID
1933Nov34.3°F30.9°F+3.4°NCLIMGRID
1933Dec27.6°F20.3°F+7.3°NCLIMGRID
1934Jan23.8°F18.7°F+5.1°NCLIMGRID
1934Feb33.3°F22.8°F+10.5°NCLIMGRID
1934Mar38.7°F31.8°F+6.9°NCLIMGRID
1934Apr45.6°F40.7°F+4.9°NCLIMGRID
1934May57.6°F49.9°F+7.7°NCLIMGRID
1934Jun59.7°F59.3°F+0.4°NCLIMGRID
1934Jul69.2°F66.2°F+3.0°NCLIMGRID
1934Aug67.3°F64.2°F+3.1°NCLIMGRID
1934Sep53.7°F55.3°F-1.6°NCLIMGRID
1934Oct47.7°F43.6°F+4.1°NCLIMGRID
1934Nov34.8°F30.9°F+3.9°NCLIMGRID
1934Dec22.3°F20.3°F+2.0°NCLIMGRID
1935Jan22.7°F18.7°F+4.1°NCLIMGRID
1935Feb24.8°F22.8°F+2.0°NCLIMGRID
1935Mar30.2°F31.8°F-1.5°NCLIMGRID
1935Apr39.9°F40.7°F-0.8°NCLIMGRID
1935May47.4°F49.9°F-2.6°NCLIMGRID
1935Jun59.5°F59.3°F+0.2°NCLIMGRID
1935Jul67.9°F66.2°F+1.7°NCLIMGRID
1935Aug65.8°F64.2°F+1.6°NCLIMGRID
1935Sep56.8°F55.3°F+1.4°NCLIMGRID
1935Oct43.3°F43.6°F-0.2°NCLIMGRID
1935Nov30.6°F30.9°F-0.2°NCLIMGRID
1935Dec24.2°F20.3°F+3.9°NCLIMGRID
1936Jan17.0°F18.7°F-1.7°NCLIMGRID
1936Feb23.7°F22.8°F+0.9°NCLIMGRID
1936Mar29.8°F31.8°F-2.0°NCLIMGRID
1936Apr41.5°F40.7°F+0.8°NCLIMGRID
1936May53.6°F49.9°F+3.7°NCLIMGRID
1936Jun63.7°F59.3°F+4.4°NCLIMGRID
1936Jul68.5°F66.2°F+2.3°NCLIMGRID
1936Aug65.2°F64.2°F+1.0°NCLIMGRID
1936Sep53.1°F55.3°F-2.3°NCLIMGRID
1936Oct43.4°F43.6°F-0.2°NCLIMGRID
1936Nov31.2°F30.9°F+0.3°NCLIMGRID
1936Dec21.9°F20.3°F+1.6°NCLIMGRID
1937Jan6.1°F18.7°F-12.6°NCLIMGRID
1937Feb20.5°F22.8°F-2.3°NCLIMGRID
1937Mar30.0°F31.8°F-1.7°NCLIMGRID
1937Apr38.7°F40.7°F-2.0°NCLIMGRID
1937May51.1°F49.9°F+1.2°NCLIMGRID
1937Jun57.4°F59.3°F-1.9°NCLIMGRID
1937Jul65.8°F66.2°F-0.4°NCLIMGRID
1937Aug65.8°F64.2°F+1.6°NCLIMGRID
1937Sep56.3°F55.3°F+0.9°NCLIMGRID
1937Oct45.4°F43.6°F+1.8°NCLIMGRID
1937Nov32.7°F30.9°F+1.8°NCLIMGRID
1937Dec24.6°F20.3°F+4.3°NCLIMGRID
1938Jan22.2°F18.7°F+3.5°NCLIMGRID
1938Feb25.1°F22.8°F+2.3°NCLIMGRID
1938Mar32.1°F31.8°F+0.3°NCLIMGRID
1938Apr41.3°F40.7°F+0.5°NCLIMGRID
1938May48.7°F49.9°F-1.2°NCLIMGRID
1938Jun60.7°F59.3°F+1.4°NCLIMGRID
1938Jul64.2°F66.2°F-2.0°NCLIMGRID
1938Aug64.2°F64.2°F+0.0°NCLIMGRID
1938Sep57.4°F55.3°F+2.1°NCLIMGRID
1938Oct45.6°F43.6°F+2.0°NCLIMGRID
1938Nov22.0°F30.9°F-8.9°NCLIMGRID
1938Dec20.9°F20.3°F+0.7°NCLIMGRID
1939Jan20.3°F18.7°F+1.6°NCLIMGRID
1939Feb11.0°F22.8°F-11.8°NCLIMGRID
1939Mar30.7°F31.8°F-1.1°NCLIMGRID
1939Apr44.4°F40.7°F+3.7°NCLIMGRID
1939May53.2°F49.9°F+3.3°NCLIMGRID
1939Jun57.4°F59.3°F-1.9°NCLIMGRID
1939Jul66.2°F66.2°F+0.0°NCLIMGRID
1939Aug63.5°F64.2°F-0.7°NCLIMGRID
1939Sep57.0°F55.3°F+1.6°NCLIMGRID
1939Oct42.8°F43.6°F-0.8°NCLIMGRID
1939Nov34.9°F30.9°F+4.0°NCLIMGRID
1939Dec28.9°F20.3°F+8.6°NCLIMGRID
1940Jan20.0°F18.7°F+1.4°NCLIMGRID
1940Feb26.3°F22.8°F+3.5°NCLIMGRID
1940Mar35.2°F31.8°F+3.5°NCLIMGRID
1940Apr42.9°F40.7°F+2.2°NCLIMGRID
1940May53.8°F49.9°F+3.8°NCLIMGRID
1940Jun61.7°F59.3°F+2.4°NCLIMGRID
1940Jul67.6°F66.2°F+1.4°NCLIMGRID
1940Aug65.4°F64.2°F+1.2°NCLIMGRID
1940Sep57.6°F55.3°F+2.3°NCLIMGRID
1940Oct45.8°F43.6°F+2.2°NCLIMGRID
1940Nov27.6°F30.9°F-3.3°NCLIMGRID
1940Dec25.4°F20.3°F+5.1°NCLIMGRID
1941Jan19.8°F18.7°F+1.1°NCLIMGRID
1941Feb26.8°F22.8°F+4.0°NCLIMGRID
1941Mar33.4°F31.8°F+1.7°NCLIMGRID
1941Apr40.2°F40.7°F-0.5°NCLIMGRID
1941May53.5°F49.9°F+3.6°NCLIMGRID
1941Jun57.6°F59.3°F-1.7°NCLIMGRID
1941Jul65.3°F66.2°F-0.9°NCLIMGRID
1941Aug63.8°F64.2°F-0.4°NCLIMGRID
1941Sep51.6°F55.3°F-3.7°NCLIMGRID
1941Oct43.5°F43.6°F-0.1°NCLIMGRID
1941Nov33.5°F30.9°F+2.6°NCLIMGRID
1941Dec25.1°F20.3°F+4.8°NCLIMGRID
1942Jan15.8°F18.7°F-2.8°NCLIMGRID
1942Feb17.0°F22.8°F-5.8°NCLIMGRID
1942Mar25.7°F31.8°F-6.1°NCLIMGRID
1942Apr43.7°F40.7°F+3.0°NCLIMGRID
1942May47.8°F49.9°F-2.1°NCLIMGRID
1942Jun57.4°F59.3°F-1.9°NCLIMGRID
1942Jul65.7°F66.2°F-0.5°NCLIMGRID
1942Aug64.4°F64.2°F+0.2°NCLIMGRID
1942Sep54.1°F55.3°F-1.2°NCLIMGRID
1942Oct43.8°F43.6°F+0.2°NCLIMGRID
1942Nov32.6°F30.9°F+1.8°NCLIMGRID
1942Dec24.0°F20.3°F+3.7°NCLIMGRID
1943Jan22.6°F18.7°F+3.9°NCLIMGRID
1943Feb25.8°F22.8°F+3.0°NCLIMGRID
1943Mar30.2°F31.8°F-1.5°NCLIMGRID
1943Apr47.2°F40.7°F+6.5°NCLIMGRID
1943May48.5°F49.9°F-1.5°NCLIMGRID
1943Jun56.2°F59.3°F-3.1°NCLIMGRID
1943Jul65.9°F66.2°F-0.3°NCLIMGRID
1943Aug64.8°F64.2°F+0.6°NCLIMGRID
1943Sep55.5°F55.3°F+0.1°NCLIMGRID
1943Oct44.9°F43.6°F+1.3°NCLIMGRID
1943Nov32.1°F30.9°F+1.2°NCLIMGRID
1943Dec23.7°F20.3°F+3.4°NCLIMGRID
1944Jan13.8°F18.7°F-4.9°NCLIMGRID
1944Feb22.6°F22.8°F-0.2°NCLIMGRID
1944Mar29.4°F31.8°F-2.4°NCLIMGRID
1944Apr38.6°F40.7°F-2.1°NCLIMGRID
1944May50.4°F49.9°F+0.4°NCLIMGRID
1944Jun56.0°F59.3°F-3.3°NCLIMGRID
1944Jul64.1°F66.2°F-2.1°NCLIMGRID
1944Aug63.6°F64.2°F-0.7°NCLIMGRID
1944Sep56.1°F55.3°F+0.7°NCLIMGRID
1944Oct47.2°F43.6°F+3.6°NCLIMGRID
1944Nov31.6°F30.9°F+0.7°NCLIMGRID
1944Dec21.3°F20.3°F+1.0°NCLIMGRID
1945Jan22.2°F18.7°F+3.5°NCLIMGRID
1945Feb26.9°F22.8°F+4.1°NCLIMGRID
1945Mar29.5°F31.8°F-2.3°NCLIMGRID
1945Apr35.3°F40.7°F-5.4°NCLIMGRID
1945May51.3°F49.9°F+1.3°NCLIMGRID
1945Jun54.0°F59.3°F-5.3°NCLIMGRID
1945Jul64.4°F66.2°F-1.8°NCLIMGRID
1945Aug64.4°F64.2°F+0.2°NCLIMGRID
1945Sep52.1°F55.3°F-3.2°NCLIMGRID
1945Oct45.7°F43.6°F+2.1°NCLIMGRID
1945Nov28.9°F30.9°F-2.0°NCLIMGRID
1945Dec19.3°F20.3°F-1.0°NCLIMGRID
1946Jan17.7°F18.7°F-1.0°NCLIMGRID
1946Feb23.2°F22.8°F+0.4°NCLIMGRID
1946Mar34.9°F31.8°F+3.1°NCLIMGRID
1946Apr45.6°F40.7°F+4.9°NCLIMGRID
1946May47.4°F49.9°F-2.5°NCLIMGRID
1946Jun59.2°F59.3°F-0.1°NCLIMGRID
1946Jul67.0°F66.2°F+0.8°NCLIMGRID
1946Aug64.0°F64.2°F-0.2°NCLIMGRID
1946Sep54.4°F55.3°F-0.9°NCLIMGRID
1946Oct40.7°F43.6°F-2.9°NCLIMGRID
1946Nov29.7°F30.9°F-1.2°NCLIMGRID
1946Dec28.6°F20.3°F+8.4°NCLIMGRID
1947Jan17.1°F18.7°F-1.6°NCLIMGRID
1947Feb25.4°F22.8°F+2.6°NCLIMGRID
1947Mar31.0°F31.8°F-0.7°NCLIMGRID
1947Apr39.7°F40.7°F-1.0°NCLIMGRID
1947May52.6°F49.9°F+2.7°NCLIMGRID
1947Jun54.6°F59.3°F-4.7°NCLIMGRID
1947Jul65.5°F66.2°F-0.7°NCLIMGRID
1947Aug64.6°F64.2°F+0.4°NCLIMGRID
1947Sep56.8°F55.3°F+1.4°NCLIMGRID
1947Oct47.2°F43.6°F+3.6°NCLIMGRID
1947Nov25.6°F30.9°F-5.3°NCLIMGRID
1947Dec20.0°F20.3°F-0.3°NCLIMGRID
1948Jan16.1°F18.7°F-2.6°NCLIMGRID
1948Feb19.6°F22.8°F-3.2°NCLIMGRID
1948Mar24.3°F31.8°F-7.5°NCLIMGRID
1948Apr41.6°F40.7°F+0.9°NCLIMGRID
1948May51.4°F49.9°F+1.5°NCLIMGRID
1948Jun59.3°F59.3°F+0.0°NCLIMGRID
1948Jul64.9°F66.2°F-1.3°NCLIMGRID
1948Aug63.1°F64.2°F-1.1°NCLIMGRID
1948Sep58.1°F55.3°F+2.8°NCLIMGRID
1948Oct43.8°F43.6°F+0.2°NCLIMGRID
1948Nov24.6°F30.9°F-6.3°NCLIMGRID
1948Dec20.1°F20.3°F-0.1°NCLIMGRID
1949Jan9.1°F18.7°F-9.6°NCLIMGRID
1949Feb17.3°F22.8°F-5.4°NCLIMGRID
1949Mar32.6°F31.8°F+0.8°NCLIMGRID
1949Apr43.7°F40.7°F+3.0°NCLIMGRID
1949May50.7°F49.9°F+0.7°NCLIMGRID
1949Jun56.6°F59.3°F-2.7°NCLIMGRID
1949Jul63.9°F66.2°F-2.3°NCLIMGRID
1949Aug63.6°F64.2°F-0.6°NCLIMGRID
1949Sep55.5°F55.3°F+0.2°NCLIMGRID
1949Oct40.4°F43.6°F-3.1°NCLIMGRID
1949Nov37.0°F30.9°F+6.1°NCLIMGRID
1949Dec23.3°F20.3°F+3.1°NCLIMGRID
1950Jan18.6°F18.7°F-0.1°NCLIMGRID
1950Feb25.7°F22.8°F+2.9°NCLIMGRID
1950Mar31.4°F31.8°F-0.3°NCLIMGRID
1950Apr41.1°F40.7°F+0.4°NCLIMGRID
1950May45.4°F49.9°F-4.6°NCLIMGRID
1950Jun56.6°F59.3°F-2.7°NCLIMGRID
1950Jul62.2°F66.2°F-4.0°NCLIMGRID
1950Aug61.3°F64.2°F-3.0°NCLIMGRID
1950Sep54.6°F55.3°F-0.7°NCLIMGRID
1950Oct48.2°F43.6°F+4.7°NCLIMGRID
1950Nov34.2°F30.9°F+3.3°NCLIMGRID
1950Dec27.6°F20.3°F+7.3°NCLIMGRID
1951Jan17.0°F18.7°F-1.7°NCLIMGRID
1951Feb24.7°F22.8°F+2.0°NCLIMGRID
1951Mar29.8°F31.8°F-1.9°NCLIMGRID
1951Apr40.4°F40.7°F-0.3°NCLIMGRID
1951May50.7°F49.9°F+0.8°NCLIMGRID
1951Jun54.6°F59.3°F-4.7°NCLIMGRID
1951Jul66.3°F66.2°F+0.1°NCLIMGRID
1951Aug63.0°F64.2°F-1.2°NCLIMGRID
1951Sep53.3°F55.3°F-2.1°NCLIMGRID
1951Oct42.5°F43.6°F-1.1°NCLIMGRID
1951Nov27.9°F30.9°F-2.9°NCLIMGRID
1951Dec20.0°F20.3°F-0.3°NCLIMGRID
1952Jan14.8°F18.7°F-3.9°NCLIMGRID
1952Feb14.7°F22.8°F-8.1°NCLIMGRID
1952Mar23.3°F31.8°F-8.5°NCLIMGRID
1952Apr40.6°F40.7°F-0.1°NCLIMGRID
1952May50.5°F49.9°F+0.5°NCLIMGRID
1952Jun59.9°F59.3°F+0.6°NCLIMGRID
1952Jul64.2°F66.2°F-2.0°NCLIMGRID
1952Aug62.9°F64.2°F-1.3°NCLIMGRID
1952Sep56.5°F55.3°F+1.1°NCLIMGRID
1952Oct45.6°F43.6°F+2.0°NCLIMGRID
1952Nov25.2°F30.9°F-5.7°NCLIMGRID
1952Dec19.9°F20.3°F-0.4°NCLIMGRID
1953Jan26.1°F18.7°F+7.4°NCLIMGRID
1953Feb21.8°F22.8°F-1.0°NCLIMGRID
1953Mar33.1°F31.8°F+1.4°NCLIMGRID
1953Apr37.5°F40.7°F-3.2°NCLIMGRID
1953May45.9°F49.9°F-4.0°NCLIMGRID
1953Jun59.6°F59.3°F+0.3°NCLIMGRID
1953Jul67.0°F66.2°F+0.8°NCLIMGRID
1953Aug62.3°F64.2°F-1.9°NCLIMGRID
1953Sep56.2°F55.3°F+0.9°NCLIMGRID
1953Oct44.6°F43.6°F+1.0°NCLIMGRID
1953Nov34.5°F30.9°F+3.7°NCLIMGRID
1953Dec19.6°F20.3°F-0.7°NCLIMGRID
1954Jan26.3°F18.7°F+7.7°NCLIMGRID
1954Feb30.1°F22.8°F+7.3°NCLIMGRID
1954Mar29.9°F31.8°F-1.8°NCLIMGRID
1954Apr44.3°F40.7°F+3.6°NCLIMGRID
1954May52.8°F49.9°F+2.8°NCLIMGRID
1954Jun58.4°F59.3°F-0.9°NCLIMGRID
1954Jul68.2°F66.2°F+2.0°NCLIMGRID
1954Aug62.9°F64.2°F-1.3°NCLIMGRID
1954Sep56.4°F55.3°F+1.1°NCLIMGRID
1954Oct45.1°F43.6°F+1.5°NCLIMGRID
1954Nov35.9°F30.9°F+5.0°NCLIMGRID
1954Dec20.0°F20.3°F-0.3°NCLIMGRID
1955Jan16.3°F18.7°F-2.3°NCLIMGRID
1955Feb14.4°F22.8°F-8.4°NCLIMGRID
1955Mar25.2°F31.8°F-6.6°NCLIMGRID
1955Apr38.1°F40.7°F-2.6°NCLIMGRID
1955May49.2°F49.9°F-0.8°NCLIMGRID
1955Jun57.2°F59.3°F-2.1°NCLIMGRID
1955Jul66.3°F66.2°F+0.1°NCLIMGRID
1955Aug65.7°F64.2°F+1.4°NCLIMGRID
1955Sep55.7°F55.3°F+0.4°NCLIMGRID
1955Oct43.8°F43.6°F+0.2°NCLIMGRID
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1984Feb17.4°F22.8°F-5.4°NCLIMGRID
1984Mar27.5°F31.8°F-4.3°NCLIMGRID
1984Apr35.4°F40.7°F-5.3°NCLIMGRID
1984May52.1°F49.9°F+2.1°NCLIMGRID
1984Jun56.5°F59.3°F-2.8°NCLIMGRID
1984Jul66.7°F66.2°F+0.5°NCLIMGRID
1984Aug64.9°F64.2°F+0.7°NCLIMGRID
1984Sep54.7°F55.3°F-0.6°NCLIMGRID
1984Oct38.8°F43.6°F-4.8°NCLIMGRID
1984Nov31.5°F30.9°F+0.7°NCLIMGRID
1984Dec19.5°F20.3°F-0.7°NCLIMGRID
1985Jan14.2°F18.7°F-4.5°NCLIMGRID
1985Feb15.0°F22.8°F-7.8°NCLIMGRID
1985Mar30.7°F31.8°F-1.1°NCLIMGRID
1985Apr43.4°F40.7°F+2.7°NCLIMGRID
1985May51.6°F49.9°F+1.7°NCLIMGRID
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1985Jul67.0°F66.2°F+0.8°NCLIMGRID
1985Aug64.3°F64.2°F+0.1°NCLIMGRID
1985Sep52.0°F55.3°F-3.3°NCLIMGRID
1985Oct43.0°F43.6°F-0.6°NCLIMGRID
1985Nov29.4°F30.9°F-1.5°NCLIMGRID
1985Dec18.9°F20.3°F-1.4°NCLIMGRID
1986Jan22.5°F18.7°F+3.9°NCLIMGRID
1986Feb28.7°F22.8°F+5.9°NCLIMGRID
1986Mar39.1°F31.8°F+7.3°NCLIMGRID
1986Apr42.1°F40.7°F+1.4°NCLIMGRID
1986May48.9°F49.9°F-1.0°NCLIMGRID
1986Jun62.2°F59.3°F+2.8°NCLIMGRID
1986Jul64.0°F66.2°F-2.3°NCLIMGRID
1986Aug64.5°F64.2°F+0.2°NCLIMGRID
1986Sep52.3°F55.3°F-3.0°NCLIMGRID
1986Oct42.8°F43.6°F-0.7°NCLIMGRID
1986Nov31.9°F30.9°F+1.0°NCLIMGRID
1986Dec25.0°F20.3°F+4.7°NCLIMGRID
1987Jan18.3°F18.7°F-0.4°NCLIMGRID
1987Feb27.8°F22.8°F+5.0°NCLIMGRID
1987Mar30.4°F31.8°F-1.4°NCLIMGRID
1987Apr44.7°F40.7°F+4.0°NCLIMGRID
1987May51.7°F49.9°F+1.8°NCLIMGRID
1987Jun60.8°F59.3°F+1.5°NCLIMGRID
1987Jul64.8°F66.2°F-1.4°NCLIMGRID
1987Aug62.0°F64.2°F-2.2°NCLIMGRID
1987Sep56.0°F55.3°F+0.7°NCLIMGRID
1987Oct47.5°F43.6°F+3.9°NCLIMGRID
1987Nov32.4°F30.9°F+1.5°NCLIMGRID
1987Dec19.9°F20.3°F-0.4°NCLIMGRID
1988Jan14.3°F18.7°F-4.4°NCLIMGRID
1988Feb21.9°F22.8°F-0.9°NCLIMGRID
1988Mar28.6°F31.8°F-3.2°NCLIMGRID
1988Apr43.5°F40.7°F+2.8°NCLIMGRID
1988May50.5°F49.9°F+0.5°NCLIMGRID
1988Jun64.5°F59.3°F+5.2°NCLIMGRID
1988Jul68.1°F66.2°F+1.9°NCLIMGRID
1988Aug65.9°F64.2°F+1.7°NCLIMGRID
1988Sep54.2°F55.3°F-1.1°NCLIMGRID
1988Oct49.3°F43.6°F+5.7°NCLIMGRID
1988Nov30.9°F30.9°F+0.0°NCLIMGRID
1988Dec19.7°F20.3°F-0.5°NCLIMGRID
1989Jan15.7°F18.7°F-3.0°NCLIMGRID
1989Feb15.1°F22.8°F-7.7°NCLIMGRID
1989Mar36.0°F31.8°F+4.2°NCLIMGRID
1989Apr46.1°F40.7°F+5.4°NCLIMGRID
1989May52.0°F49.9°F+2.1°NCLIMGRID
1989Jun58.6°F59.3°F-0.7°NCLIMGRID
1989Jul68.9°F66.2°F+2.7°NCLIMGRID
1989Aug63.3°F64.2°F-0.9°NCLIMGRID
1989Sep56.4°F55.3°F+1.0°NCLIMGRID
1989Oct44.5°F43.6°F+0.9°NCLIMGRID
1989Nov33.8°F30.9°F+2.9°NCLIMGRID
1989Dec19.3°F20.3°F-1.0°NCLIMGRID
1990Jan22.1°F18.7°F+3.4°NCLIMGRID
1990Feb21.3°F22.8°F-1.5°NCLIMGRID
1990Mar35.8°F31.8°F+4.1°NCLIMGRID
1990Apr45.6°F40.7°F+4.9°NCLIMGRID
1990May49.2°F49.9°F-0.8°NCLIMGRID
1990Jun61.5°F59.3°F+2.2°NCLIMGRID
1990Jul66.2°F66.2°F+0.0°NCLIMGRID
1990Aug64.7°F64.2°F+0.5°NCLIMGRID
1990Sep61.1°F55.3°F+5.8°NCLIMGRID
1990Oct44.4°F43.6°F+0.8°NCLIMGRID
1990Nov33.3°F30.9°F+2.4°NCLIMGRID
1990Dec15.0°F20.3°F-5.3°NCLIMGRID
1991Jan15.5°F18.7°F-3.2°NCLIMGRID
1991Feb26.6°F22.8°F+3.8°NCLIMGRID
1991Mar31.9°F31.8°F+0.1°NCLIMGRID
1991Apr40.0°F40.7°F-0.7°NCLIMGRID
1991May51.0°F49.9°F+1.0°NCLIMGRID
1991Jun59.9°F59.3°F+0.6°NCLIMGRID
1991Jul65.6°F66.2°F-0.6°NCLIMGRID
1991Aug65.2°F64.2°F+1.0°NCLIMGRID
1991Sep56.5°F55.3°F+1.1°NCLIMGRID
1991Oct44.8°F43.6°F+1.2°NCLIMGRID
1991Nov28.1°F30.9°F-2.8°NCLIMGRID
1991Dec17.3°F20.3°F-2.9°NCLIMGRID
1992Jan16.0°F18.7°F-2.7°NCLIMGRID
1992Feb28.1°F22.8°F+5.3°NCLIMGRID
1992Mar37.7°F31.8°F+6.0°NCLIMGRID
1992Apr47.0°F40.7°F+6.3°NCLIMGRID
1992May54.8°F49.9°F+4.8°NCLIMGRID
1992Jun59.1°F59.3°F-0.2°NCLIMGRID
1992Jul62.7°F66.2°F-3.5°NCLIMGRID
1992Aug64.1°F64.2°F-0.1°NCLIMGRID
1992Sep55.9°F55.3°F+0.6°NCLIMGRID
1992Oct47.3°F43.6°F+3.7°NCLIMGRID
1992Nov25.9°F30.9°F-5.0°NCLIMGRID
1992Dec18.4°F20.3°F-1.9°NCLIMGRID
1993Jan20.1°F18.7°F+1.4°NCLIMGRID
1993Feb20.9°F22.8°F-1.9°NCLIMGRID
1993Mar33.2°F31.8°F+1.4°NCLIMGRID
1993Apr38.3°F40.7°F-2.4°NCLIMGRID
1993May52.1°F49.9°F+2.2°NCLIMGRID
1993Jun57.3°F59.3°F-2.0°NCLIMGRID
1993Jul62.5°F66.2°F-3.7°NCLIMGRID
1993Aug62.4°F64.2°F-1.8°NCLIMGRID
1993Sep54.2°F55.3°F-1.1°NCLIMGRID
1993Oct43.2°F43.6°F-0.4°NCLIMGRID
1993Nov25.7°F30.9°F-5.2°NCLIMGRID
1993Dec20.6°F20.3°F+0.3°NCLIMGRID
1994Jan21.5°F18.7°F+2.9°NCLIMGRID
1994Feb22.7°F22.8°F-0.1°NCLIMGRID
1994Mar36.9°F31.8°F+5.1°NCLIMGRID
1994Apr43.0°F40.7°F+2.3°NCLIMGRID
1994May54.5°F49.9°F+4.6°NCLIMGRID
1994Jun63.6°F59.3°F+4.3°NCLIMGRID
1994Jul67.5°F66.2°F+1.3°NCLIMGRID
1994Aug67.2°F64.2°F+3.0°NCLIMGRID
1994Sep58.0°F55.3°F+2.7°NCLIMGRID
1994Oct43.8°F43.6°F+0.2°NCLIMGRID
1994Nov27.1°F30.9°F-3.7°NCLIMGRID
1994Dec23.6°F20.3°F+3.3°NCLIMGRID
1995Jan21.8°F18.7°F+3.2°NCLIMGRID
1995Feb31.8°F22.8°F+9.0°NCLIMGRID
1995Mar35.6°F31.8°F+3.8°NCLIMGRID
1995Apr39.2°F40.7°F-1.5°NCLIMGRID
1995May45.9°F49.9°F-4.0°NCLIMGRID
1995Jun56.9°F59.3°F-2.4°NCLIMGRID
1995Jul63.9°F66.2°F-2.3°NCLIMGRID
1995Aug67.0°F64.2°F+2.8°NCLIMGRID
1995Sep56.4°F55.3°F+1.0°NCLIMGRID
1995Oct42.8°F43.6°F-0.8°NCLIMGRID
1995Nov35.3°F30.9°F+4.5°NCLIMGRID
1995Dec27.0°F20.3°F+6.8°NCLIMGRID
1996Jan20.1°F18.7°F+1.5°NCLIMGRID
1996Feb24.5°F22.8°F+1.7°NCLIMGRID
1996Mar32.5°F31.8°F+0.8°NCLIMGRID
1996Apr40.9°F40.7°F+0.2°NCLIMGRID
1996May52.7°F49.9°F+2.8°NCLIMGRID
1996Jun60.9°F59.3°F+1.6°NCLIMGRID
1996Jul67.6°F66.2°F+1.4°NCLIMGRID
1996Aug66.3°F64.2°F+2.1°NCLIMGRID
1996Sep54.4°F55.3°F-0.9°NCLIMGRID
1996Oct42.0°F43.6°F-1.6°NCLIMGRID
1996Nov32.7°F30.9°F+1.8°NCLIMGRID
1996Dec24.3°F20.3°F+4.1°NCLIMGRID
1997Jan19.6°F18.7°F+0.9°NCLIMGRID
1997Feb21.0°F22.8°F-1.8°NCLIMGRID
1997Mar34.0°F31.8°F+2.3°NCLIMGRID
1997Apr36.6°F40.7°F-4.1°NCLIMGRID
1997May50.8°F49.9°F+0.9°NCLIMGRID
1997Jun60.6°F59.3°F+1.3°NCLIMGRID
1997Jul64.7°F66.2°F-1.5°NCLIMGRID
1997Aug63.8°F64.2°F-0.4°NCLIMGRID
1997Sep58.1°F55.3°F+2.7°NCLIMGRID
1997Oct44.6°F43.6°F+1.0°NCLIMGRID
1997Nov30.9°F30.9°F+0.1°NCLIMGRID
1997Dec20.0°F20.3°F-0.2°NCLIMGRID
1998Jan26.3°F18.7°F+7.6°NCLIMGRID
1998Feb27.9°F22.8°F+5.1°NCLIMGRID
1998Mar30.4°F31.8°F-1.4°NCLIMGRID
1998Apr40.9°F40.7°F+0.2°NCLIMGRID
1998May50.9°F49.9°F+1.0°NCLIMGRID
1998Jun54.3°F59.3°F-5.0°NCLIMGRID
1998Jul68.7°F66.2°F+2.5°NCLIMGRID
1998Aug65.3°F64.2°F+1.1°NCLIMGRID
1998Sep61.2°F55.3°F+5.8°NCLIMGRID
1998Oct46.0°F43.6°F+2.4°NCLIMGRID
1998Nov35.5°F30.9°F+4.7°NCLIMGRID
1998Dec19.4°F20.3°F-0.9°NCLIMGRID
1999Jan25.4°F18.7°F+6.8°NCLIMGRID
1999Feb27.1°F22.8°F+4.3°NCLIMGRID
1999Mar38.9°F31.8°F+7.2°NCLIMGRID
1999Apr39.5°F40.7°F-1.3°NCLIMGRID
1999May47.6°F49.9°F-2.3°NCLIMGRID
1999Jun58.4°F59.3°F-0.9°NCLIMGRID
1999Jul66.9°F66.2°F+0.7°NCLIMGRID
1999Aug64.1°F64.2°F-0.1°NCLIMGRID
1999Sep52.9°F55.3°F-2.4°NCLIMGRID
1999Oct44.4°F43.6°F+0.9°NCLIMGRID
1999Nov36.8°F30.9°F+6.0°NCLIMGRID
1999Dec21.9°F20.3°F+1.7°NCLIMGRID
2000Jan26.9°F18.7°F+8.3°NCLIMGRID
2000Feb32.1°F22.8°F+9.3°NCLIMGRID
2000Mar36.2°F31.8°F+4.4°NCLIMGRID
2000Apr45.2°F40.7°F+4.5°NCLIMGRID
2000May53.2°F49.9°F+3.2°NCLIMGRID
2000Jun61.3°F59.3°F+2.0°NCLIMGRID
2000Jul69.4°F66.2°F+3.2°NCLIMGRID
2000Aug68.2°F64.2°F+3.9°NCLIMGRID
2000Sep56.9°F55.3°F+1.5°NCLIMGRID
2000Oct45.5°F43.6°F+1.9°NCLIMGRID
2000Nov21.1°F30.9°F-9.8°NCLIMGRID
2000Dec20.6°F20.3°F+0.4°NCLIMGRID
2001Jan15.1°F18.7°F-3.5°NCLIMGRID
2001Feb24.4°F22.8°F+1.6°NCLIMGRID
2001Mar34.2°F31.8°F+2.4°NCLIMGRID
2001Apr44.4°F40.7°F+3.7°NCLIMGRID
2001May51.6°F49.9°F+1.7°NCLIMGRID
2001Jun61.3°F59.3°F+2.0°NCLIMGRID
2001Jul69.2°F66.2°F+3.0°NCLIMGRID
2001Aug66.6°F64.2°F+2.4°NCLIMGRID
2001Sep59.6°F55.3°F+4.3°NCLIMGRID
2001Oct46.1°F43.6°F+2.5°NCLIMGRID
2001Nov35.3°F30.9°F+4.4°NCLIMGRID
2001Dec18.6°F20.3°F-1.6°NCLIMGRID
2002Jan17.9°F18.7°F-0.8°NCLIMGRID
2002Feb20.1°F22.8°F-2.7°NCLIMGRID
2002Mar28.5°F31.8°F-3.3°NCLIMGRID
2002Apr45.7°F40.7°F+5.0°NCLIMGRID
2002May51.1°F49.9°F+1.1°NCLIMGRID
2002Jun64.7°F59.3°F+5.4°NCLIMGRID
2002Jul71.0°F66.2°F+4.8°NCLIMGRID
2002Aug64.7°F64.2°F+0.4°NCLIMGRID
2002Sep57.4°F55.3°F+2.1°NCLIMGRID
2002Oct42.6°F43.6°F-0.9°NCLIMGRID
2002Nov29.9°F30.9°F-0.9°NCLIMGRID
2002Dec25.8°F20.3°F+5.5°NCLIMGRID
2003Jan24.9°F18.7°F+6.2°NCLIMGRID
2003Feb24.7°F22.8°F+1.9°NCLIMGRID
2003Mar34.6°F31.8°F+2.9°NCLIMGRID
2003Apr43.0°F40.7°F+2.3°NCLIMGRID
2003May51.2°F49.9°F+1.2°NCLIMGRID
2003Jun59.4°F59.3°F+0.1°NCLIMGRID
2003Jul71.5°F66.2°F+5.3°NCLIMGRID
2003Aug67.5°F64.2°F+3.3°NCLIMGRID
2003Sep54.6°F55.3°F-0.7°NCLIMGRID
2003Oct48.8°F43.6°F+5.2°NCLIMGRID
2003Nov27.7°F30.9°F-3.2°NCLIMGRID
2003Dec23.9°F20.3°F+3.7°NCLIMGRID
2004Jan19.9°F18.7°F+1.2°NCLIMGRID
2004Feb22.1°F22.8°F-0.7°NCLIMGRID
2004Mar39.6°F31.8°F+7.9°NCLIMGRID
2004Apr44.6°F40.7°F+3.9°NCLIMGRID
2004May50.9°F49.9°F+1.0°NCLIMGRID
2004Jun59.8°F59.3°F+0.5°NCLIMGRID
2004Jul65.8°F66.2°F-0.4°NCLIMGRID
2004Aug62.9°F64.2°F-1.4°NCLIMGRID
2004Sep56.0°F55.3°F+0.7°NCLIMGRID
2004Oct45.7°F43.6°F+2.1°NCLIMGRID
2004Nov32.2°F30.9°F+1.4°NCLIMGRID
2004Dec23.9°F20.3°F+3.6°NCLIMGRID
2005Jan29.6°F18.7°F+10.9°NCLIMGRID
2005Feb28.1°F22.8°F+5.3°NCLIMGRID
2005Mar34.6°F31.8°F+2.8°NCLIMGRID
2005Apr42.1°F40.7°F+1.4°NCLIMGRID
2005May50.8°F49.9°F+0.9°NCLIMGRID
2005Jun57.0°F59.3°F-2.3°NCLIMGRID
2005Jul67.7°F66.2°F+1.5°NCLIMGRID
2005Aug63.9°F64.2°F-0.3°NCLIMGRID
2005Sep55.7°F55.3°F+0.4°NCLIMGRID
2005Oct47.0°F43.6°F+3.4°NCLIMGRID
2005Nov34.1°F30.9°F+3.2°NCLIMGRID
2005Dec21.7°F20.3°F+1.4°NCLIMGRID
2006Jan24.4°F18.7°F+5.7°NCLIMGRID
2006Feb22.4°F22.8°F-0.4°NCLIMGRID
2006Mar32.0°F31.8°F+0.3°NCLIMGRID
2006Apr44.8°F40.7°F+4.1°NCLIMGRID
2006May53.6°F49.9°F+3.7°NCLIMGRID
2006Jun63.7°F59.3°F+4.4°NCLIMGRID
2006Jul69.9°F66.2°F+3.7°NCLIMGRID
2006Aug64.3°F64.2°F+0.1°NCLIMGRID
2006Sep52.0°F55.3°F-3.3°NCLIMGRID
2006Oct41.7°F43.6°F-1.9°NCLIMGRID
2006Nov33.2°F30.9°F+2.4°NCLIMGRID
2006Dec21.3°F20.3°F+1.0°NCLIMGRID
2007Jan10.8°F18.7°F-7.9°NCLIMGRID
2007Feb25.9°F22.8°F+3.1°NCLIMGRID
2007Mar36.8°F31.8°F+5.0°NCLIMGRID
2007Apr43.8°F40.7°F+3.1°NCLIMGRID
2007May51.6°F49.9°F+1.7°NCLIMGRID
2007Jun62.2°F59.3°F+2.9°NCLIMGRID
2007Jul70.7°F66.2°F+4.5°NCLIMGRID
2007Aug67.8°F64.2°F+3.6°NCLIMGRID
2007Sep57.4°F55.3°F+2.1°NCLIMGRID
2007Oct45.9°F43.6°F+2.3°NCLIMGRID
2007Nov34.5°F30.9°F+3.7°NCLIMGRID
2007Dec18.5°F20.3°F-1.8°NCLIMGRID
2008Jan14.6°F18.7°F-4.1°NCLIMGRID
2008Feb21.7°F22.8°F-1.1°NCLIMGRID
2008Mar27.3°F31.8°F-4.5°NCLIMGRID
2008Apr37.7°F40.7°F-3.0°NCLIMGRID
2008May47.8°F49.9°F-2.2°NCLIMGRID
2008Jun58.2°F59.3°F-1.1°NCLIMGRID
2008Jul68.0°F66.2°F+1.8°NCLIMGRID
2008Aug65.0°F64.2°F+0.8°NCLIMGRID
2008Sep55.7°F55.3°F+0.4°NCLIMGRID
2008Oct45.2°F43.6°F+1.6°NCLIMGRID
2008Nov35.8°F30.9°F+4.9°NCLIMGRID
2008Dec23.4°F20.3°F+3.1°NCLIMGRID
2009Jan21.2°F18.7°F+2.6°NCLIMGRID
2009Feb28.2°F22.8°F+5.4°NCLIMGRID
2009Mar34.2°F31.8°F+2.4°NCLIMGRID
2009Apr39.9°F40.7°F-0.8°NCLIMGRID
2009May52.7°F49.9°F+2.7°NCLIMGRID
2009Jun57.9°F59.3°F-1.4°NCLIMGRID
2009Jul66.4°F66.2°F+0.2°NCLIMGRID
2009Aug64.0°F64.2°F-0.2°NCLIMGRID
2009Sep58.6°F55.3°F+3.3°NCLIMGRID
2009Oct40.7°F43.6°F-2.9°NCLIMGRID
2009Nov31.8°F30.9°F+0.9°NCLIMGRID
2009Dec15.4°F20.3°F-4.8°NCLIMGRID
2010Jan19.5°F18.7°F+0.8°NCLIMGRID
2010Feb20.6°F22.8°F-2.2°NCLIMGRID
2010Mar33.1°F31.8°F+1.4°NCLIMGRID
2010Apr40.9°F40.7°F+0.2°NCLIMGRID
2010May46.9°F49.9°F-3.0°NCLIMGRID
2010Jun60.9°F59.3°F+1.6°NCLIMGRID
2010Jul67.5°F66.2°F+1.3°NCLIMGRID
2010Aug64.7°F64.2°F+0.4°NCLIMGRID
2010Sep58.6°F55.3°F+3.2°NCLIMGRID
2010Oct47.6°F43.6°F+4.0°NCLIMGRID
2010Nov31.2°F30.9°F+0.3°NCLIMGRID
2010Dec26.8°F20.3°F+6.5°NCLIMGRID
2011Jan16.4°F18.7°F-2.3°NCLIMGRID
2011Feb17.7°F22.8°F-5.1°NCLIMGRID
2011Mar33.5°F31.8°F+1.7°NCLIMGRID
2011Apr39.3°F40.7°F-1.4°NCLIMGRID
2011May46.9°F49.9°F-3.0°NCLIMGRID
2011Jun59.0°F59.3°F-0.3°NCLIMGRID
2011Jul67.4°F66.2°F+1.2°NCLIMGRID
2011Aug67.2°F64.2°F+3.0°NCLIMGRID
2011Sep57.6°F55.3°F+2.3°NCLIMGRID
2011Oct45.1°F43.6°F+1.5°NCLIMGRID
2011Nov32.0°F30.9°F+1.2°NCLIMGRID
2011Dec23.0°F20.3°F+2.8°NCLIMGRID
2012Jan25.3°F18.7°F+6.6°NCLIMGRID
2012Feb27.5°F22.8°F+4.7°NCLIMGRID
2012Mar39.5°F31.8°F+7.8°NCLIMGRID
2012Apr46.4°F40.7°F+5.7°NCLIMGRID
2012May54.1°F49.9°F+4.2°NCLIMGRID
2012Jun66.2°F59.3°F+6.9°NCLIMGRID
2012Jul70.3°F66.2°F+4.1°NCLIMGRID
2012Aug67.8°F64.2°F+3.6°NCLIMGRID
2012Sep58.8°F55.3°F+3.5°NCLIMGRID
2012Oct44.9°F43.6°F+1.3°NCLIMGRID
2012Nov37.9°F30.9°F+7.0°NCLIMGRID
2012Dec22.0°F20.3°F+1.7°NCLIMGRID
2013Jan11.7°F18.7°F-7.0°NCLIMGRID
2013Feb20.9°F22.8°F-1.9°NCLIMGRID
2013Mar32.3°F31.8°F+0.5°NCLIMGRID
2013Apr37.4°F40.7°F-3.3°NCLIMGRID
2013May52.1°F49.9°F+2.2°NCLIMGRID
2013Jun63.4°F59.3°F+4.1°NCLIMGRID
2013Jul70.3°F66.2°F+4.1°NCLIMGRID
2013Aug67.0°F64.2°F+2.8°NCLIMGRID
2013Sep59.7°F55.3°F+4.3°NCLIMGRID
2013Oct42.2°F43.6°F-1.3°NCLIMGRID
2013Nov32.1°F30.9°F+1.3°NCLIMGRID
2013Dec16.6°F20.3°F-3.6°NCLIMGRID
2014Jan19.5°F18.7°F+0.8°NCLIMGRID
2014Feb28.3°F22.8°F+5.5°NCLIMGRID
2014Mar36.6°F31.8°F+4.8°NCLIMGRID
2014Apr41.0°F40.7°F+0.3°NCLIMGRID
2014May51.3°F49.9°F+1.3°NCLIMGRID
2014Jun59.7°F59.3°F+0.4°NCLIMGRID
2014Jul68.5°F66.2°F+2.3°NCLIMGRID
2014Aug63.4°F64.2°F-0.8°NCLIMGRID
2014Sep58.9°F55.3°F+3.5°NCLIMGRID
2014Oct47.6°F43.6°F+4.0°NCLIMGRID
2014Nov30.7°F30.9°F-0.2°NCLIMGRID
2014Dec26.8°F20.3°F+6.5°NCLIMGRID
2015Jan23.8°F18.7°F+5.1°NCLIMGRID
2015Feb33.2°F22.8°F+10.4°NCLIMGRID
2015Mar39.7°F31.8°F+8.0°NCLIMGRID
2015Apr43.5°F40.7°F+2.8°NCLIMGRID
2015May49.5°F49.9°F-0.5°NCLIMGRID
2015Jun64.8°F59.3°F+5.5°NCLIMGRID
2015Jul66.0°F66.2°F-0.2°NCLIMGRID
2015Aug66.0°F64.2°F+1.8°NCLIMGRID
2015Sep60.4°F55.3°F+5.0°NCLIMGRID
2015Oct51.1°F43.6°F+7.5°NCLIMGRID
2015Nov32.1°F30.9°F+1.2°NCLIMGRID
2015Dec18.6°F20.3°F-1.7°NCLIMGRID
2016Jan16.3°F18.7°F-2.3°NCLIMGRID
2016Feb24.1°F22.8°F+1.3°NCLIMGRID
2016Mar34.8°F31.8°F+3.0°NCLIMGRID
2016Apr42.9°F40.7°F+2.2°NCLIMGRID
2016May49.9°F49.9°F+0.0°NCLIMGRID
2016Jun64.9°F59.3°F+5.6°NCLIMGRID
2016Jul68.0°F66.2°F+1.8°NCLIMGRID
2016Aug64.2°F64.2°F+0.0°NCLIMGRID
2016Sep57.7°F55.3°F+2.3°NCLIMGRID
2016Oct49.1°F43.6°F+5.6°NCLIMGRID
2016Nov38.1°F30.9°F+7.2°NCLIMGRID
2016Dec21.1°F20.3°F+0.9°NCLIMGRID
2017Jan19.2°F18.7°F+0.5°NCLIMGRID
2017Feb32.6°F22.8°F+9.8°NCLIMGRID
2017Mar40.9°F31.8°F+9.2°NCLIMGRID
2017Apr42.2°F40.7°F+1.5°NCLIMGRID
2017May49.8°F49.9°F-0.1°NCLIMGRID
2017Jun63.1°F59.3°F+3.8°NCLIMGRID
2017Jul70.2°F66.2°F+4.0°NCLIMGRID
2017Aug65.7°F64.2°F+1.5°NCLIMGRID
2017Sep58.1°F55.3°F+2.8°NCLIMGRID
2017Oct42.3°F43.6°F-1.3°NCLIMGRID
2017Nov39.2°F30.9°F+8.3°NCLIMGRID
2017Dec26.0°F20.3°F+5.7°NCLIMGRID
2018Jan25.4°F18.7°F+6.7°NCLIMGRID
2018Feb27.6°F22.8°F+4.8°NCLIMGRID
2018Mar35.9°F31.8°F+4.1°NCLIMGRID
2018Apr43.6°F40.7°F+2.9°NCLIMGRID
2018May54.4°F49.9°F+4.5°NCLIMGRID
2018Jun64.1°F59.3°F+4.8°NCLIMGRID
2018Jul71.4°F66.2°F+5.2°NCLIMGRID
2018Aug66.3°F64.2°F+2.1°NCLIMGRID
2018Sep61.2°F55.3°F+5.9°NCLIMGRID
2018Oct44.1°F43.6°F+0.5°NCLIMGRID
2018Nov29.7°F30.9°F-1.1°NCLIMGRID
2018Dec21.5°F20.3°F+1.2°NCLIMGRID
2019Jan19.6°F18.7°F+0.9°NCLIMGRID
2019Feb22.1°F22.8°F-0.7°NCLIMGRID
2019Mar30.2°F31.8°F-1.5°NCLIMGRID
2019Apr44.6°F40.7°F+3.9°NCLIMGRID
2019May47.2°F49.9°F-2.8°NCLIMGRID
2019Jun58.7°F59.3°F-0.6°NCLIMGRID
2019Jul68.5°F66.2°F+2.3°NCLIMGRID
2019Aug68.1°F64.2°F+3.9°NCLIMGRID
2019Sep60.7°F55.3°F+5.3°NCLIMGRID
2019Oct37.0°F43.6°F-6.5°NCLIMGRID
2019Nov34.3°F30.9°F+3.4°NCLIMGRID
2019Dec22.6°F20.3°F+2.3°NCLIMGRID
2020Jan20.7°F18.7°F+2.0°NCLIMGRID
2020Feb17.6°F22.8°F-5.2°NCLIMGRID
2020Mar34.8°F31.8°F+3.0°NCLIMGRID
2020Apr41.1°F40.7°F+0.4°NCLIMGRID
2020May53.4°F49.9°F+3.5°NCLIMGRID
2020Jun61.3°F59.3°F+2.0°NCLIMGRID
2020Jul68.0°F66.2°F+1.8°NCLIMGRID
2020Aug69.9°F64.2°F+5.7°NCLIMGRID
2020Sep57.2°F55.3°F+1.8°NCLIMGRID
2020Oct43.6°F43.6°F+0.0°NCLIMGRID
2020Nov34.8°F30.9°F+3.9°NCLIMGRID
2020Dec21.1°F20.3°F+0.8°NCLIMGRID
2021Jan20.3°F18.7°F+1.6°NCLIMGRID
2021Feb24.5°F22.8°F+1.7°NCLIMGRID
2021Mar33.8°F31.8°F+2.1°NCLIMGRID
2021Apr41.1°F40.7°F+0.4°NCLIMGRID
2021May52.4°F49.9°F+2.4°NCLIMGRID
2021Jun65.9°F59.3°F+6.6°NCLIMGRID
2021Jul72.0°F66.2°F+5.8°NCLIMGRID
2021Aug66.2°F64.2°F+2.0°NCLIMGRID
2021Sep60.4°F55.3°F+5.0°NCLIMGRID
2021Oct45.2°F43.6°F+1.7°NCLIMGRID
2021Nov38.8°F30.9°F+7.9°NCLIMGRID
2021Dec27.1°F20.3°F+6.8°NCLIMGRID
2022Jan18.6°F18.7°F-0.1°NCLIMGRID
2022Feb18.6°F22.8°F-4.2°NCLIMGRID
2022Mar30.5°F31.8°F-1.3°NCLIMGRID
2022Apr41.1°F40.7°F+0.4°NCLIMGRID
2022May49.2°F49.9°F-0.8°NCLIMGRID
2022Jun62.0°F59.3°F+2.7°NCLIMGRID
2022Jul69.9°F66.2°F+3.7°NCLIMGRID
2022Aug68.2°F64.2°F+4.0°NCLIMGRID
2022Sep61.3°F55.3°F+5.9°NCLIMGRID
2022Oct45.1°F43.6°F+1.5°NCLIMGRID
2022Nov27.9°F30.9°F-3.0°NCLIMGRID
2022Dec18.6°F20.3°F-1.7°NCLIMGRID
2023Jan19.6°F18.7°F+0.9°NCLIMGRID
2023Feb16.7°F22.8°F-6.1°NCLIMGRID
2023Mar23.5°F31.8°F-8.3°NCLIMGRID
2023Apr36.6°F40.7°F-4.1°NCLIMGRID
2023May54.0°F49.9°F+4.1°NCLIMGRID
2023Jun58.7°F59.3°F-0.6°NCLIMGRID
2023Jul69.2°F66.2°F+3.0°NCLIMGRID
2023Aug67.0°F64.2°F+2.8°NCLIMGRID
2023Sep58.4°F55.3°F+3.1°NCLIMGRID
2023Oct45.9°F43.6°F+2.3°NCLIMGRID
2023Nov33.7°F30.9°F+2.9°NCLIMGRID
2023Dec25.6°F20.3°F+5.4°NCLIMGRID
2024Jan23.1°F18.7°F+4.4°NCLIMGRID
2024Feb27.2°F22.8°F+4.4°NCLIMGRID
2024Mar33.6°F31.8°F+1.9°NCLIMGRID
2024Apr43.7°F40.7°F+3.0°NCLIMGRID
2024May47.4°F49.9°F-2.6°NCLIMGRID
2024Jun64.5°F59.3°F+5.2°NCLIMGRID
2024Jul68.1°F66.2°F+1.9°NCLIMGRID
2024Aug66.7°F64.2°F+2.4°NCLIMGRID
2024Sep60.9°F55.3°F+5.6°NCLIMGRID
2024Oct51.6°F43.6°F+8.0°NCLIMGRID
2024Nov29.5°F30.9°F-1.3°NCLIMGRID
2024Dec26.5°F20.3°F+6.2°NCLIMGRID
2025Jan13.6°F18.7°F-5.1°NCLIMGRID
2025Feb28.5°F22.8°F+5.8°NCLIMGRID
2025Mar37.5°F31.8°F+5.8°NCLIMGRID
2025Apr42.9°F40.7°F+2.2°NCLIMGRID
2025May52.2°F49.9°F+2.2°NCLIMGRID
2025Jun63.9°F59.3°F+4.6°NCLIMGRID
2025Jul69.5°F66.2°F+3.3°NCLIMGRID
2025Aug66.8°F64.2°F+2.6°NCLIMGRID
2025Sep58.6°F55.3°F+3.2°NCLIMGRID
2025Oct46.6°F43.6°F+3.0°NCLIMGRID
2025Nov38.8°F30.9°F+7.9°NCLIMGRID
2025Dec33.3°F20.3°F+13.1°NCLIMGRID
2026Jan25.5°F18.7°F+6.8°NCLIMGRID
2026Feb34.1°F22.8°F+11.3°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
January18.7°F26/26
February22.8°F26/26
March31.8°F26/26
April40.7°F26/26
May49.9°F26/26
June59.3°F26/26
July66.2°F26/26
August64.2°F26/26
September55.3°F26/26
October43.6°F26/26
November30.9°F26/26
December20.3°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

Frequently Asked Questions

Is Hamilton, Colorado getting warmer?

Based on 96+ years of NOAA temperature records, Hamilton 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 Hamilton?

The warmest year on record in Hamilton was 2012, based on average annual temperature anomaly from NOAA station data.

Where does the temperature data for Hamilton 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 Hamilton's climate profile.

How are the climate visualizations for Hamilton created?

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

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

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