Climate Change in Marathon, Wisconsin

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

Based on our analysis of 96 years of temperature data near Marathon, WI, this area shows a warming trend of approximately +0.3°F per decade. 9 of the last 10 years recorded above-average temperatures, and 2024 was the warmest year on record at +5.7°F above the historical baseline.

Key Climate Facts

Rate of Change

+0.3°F

per decade

Warmest Year

2024

+5.7°F anomaly

Recent Warm Years

9 / 10

above-average years

Decade Shift

+2.5°F

2020s vs 1930s

Compared to the National Average

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

National: +0.20°F/decade
Marathon: +0.26°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 Marathon's long-term warming trend.

Temperature anomaly spiral for Marathon, Wisconsin
Climate spiral: monthly temperature anomalies from 96+ years of NOAA records for Marathon, WI.

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 Marathon, Wisconsin
Warming stripes: each stripe is one year of average temperature anomaly for Marathon, WI.

Temperature Trend

Annual temperature anomalies plotted over time with a linear regression trend line. The slope of +0.26°F per decade quantifies the rate of change.

Temperature trend chart for Marathon, Wisconsin
Linear trend: annual temperature anomalies with trend line for Marathon, WI.

Temperature by Decade

1930s
+0.78°F
1940s
+0.52°F
1950s
-0.35°F
1960s
-0.35°F
1970s
-0.57°F
1980s
+0.54°F
1990s
+1.07°F
2000s
+1.80°F
2010s
+1.89°F
2020s
+3.34°F

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

Anomaly Scale

-5.8°F Colder Normal +8.1°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 Marathon, WI. 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
1930Jan5.6°F10.1°F-4.6°NCLIMGRID
1930Feb20.2°F15.1°F+5.1°NCLIMGRID
1930Mar26.7°F27.4°F-0.7°NCLIMGRID
1930Apr43.5°F42.3°F+1.3°NCLIMGRID
1930May55.1°F53.9°F+1.2°NCLIMGRID
1930Jun64.1°F62.7°F+1.4°NCLIMGRID
1930Jul68.5°F67.7°F+0.7°NCLIMGRID
1930Aug67.2°F65.1°F+2.1°NCLIMGRID
1930Sep57.8°F56.1°F+1.7°NCLIMGRID
1930Oct43.7°F44.6°F-0.9°NCLIMGRID
1930Nov34.3°F30.1°F+4.2°NCLIMGRID
1930Dec17.8°F15.8°F+2.0°NCLIMGRID
1931Jan19.6°F10.1°F+9.5°NCLIMGRID
1931Feb25.1°F15.1°F+10.0°NCLIMGRID
1931Mar27.6°F27.4°F+0.2°NCLIMGRID
1931Apr44.5°F42.3°F+2.2°NCLIMGRID
1931May52.5°F53.9°F-1.4°NCLIMGRID
1931Jun67.1°F62.7°F+4.4°NCLIMGRID
1931Jul71.2°F67.7°F+3.5°NCLIMGRID
1931Aug65.3°F65.1°F+0.2°NCLIMGRID
1931Sep62.6°F56.1°F+6.4°NCLIMGRID
1931Oct49.9°F44.6°F+5.3°NCLIMGRID
1931Nov37.1°F30.1°F+7.0°NCLIMGRID
1931Dec25.9°F15.8°F+10.1°NCLIMGRID
1932Jan18.8°F10.1°F+8.7°NCLIMGRID
1932Feb16.4°F15.1°F+1.3°NCLIMGRID
1932Mar19.3°F27.4°F-8.1°NCLIMGRID
1932Apr39.7°F42.3°F-2.5°NCLIMGRID
1932May53.5°F53.9°F-0.4°NCLIMGRID
1932Jun66.1°F62.7°F+3.4°NCLIMGRID
1932Jul68.4°F67.7°F+0.7°NCLIMGRID
1932Aug66.8°F65.1°F+1.7°NCLIMGRID
1932Sep55.9°F56.1°F-0.2°NCLIMGRID
1932Oct42.6°F44.6°F-2.0°NCLIMGRID
1932Nov26.0°F30.1°F-4.0°NCLIMGRID
1932Dec14.7°F15.8°F-1.2°NCLIMGRID
1933Jan20.1°F10.1°F+10.0°NCLIMGRID
1933Feb9.4°F15.1°F-5.7°NCLIMGRID
1933Mar25.4°F27.4°F-2.0°NCLIMGRID
1933Apr40.4°F42.3°F-1.9°NCLIMGRID
1933May55.9°F53.9°F+2.0°NCLIMGRID
1933Jun71.2°F62.7°F+8.5°NCLIMGRID
1933Jul71.4°F67.7°F+3.7°NCLIMGRID
1933Aug65.1°F65.1°F+0.0°NCLIMGRID
1933Sep61.5°F56.1°F+5.4°NCLIMGRID
1933Oct42.4°F44.6°F-2.2°NCLIMGRID
1933Nov26.3°F30.1°F-3.8°NCLIMGRID
1933Dec12.6°F15.8°F-3.3°NCLIMGRID
1934Jan19.1°F10.1°F+9.0°NCLIMGRID
1934Feb11.0°F15.1°F-4.1°NCLIMGRID
1934Mar22.0°F27.4°F-5.4°NCLIMGRID
1934Apr39.5°F42.3°F-2.7°NCLIMGRID
1934May62.6°F53.9°F+8.7°NCLIMGRID
1934Jun68.6°F62.7°F+5.9°NCLIMGRID
1934Jul70.0°F67.7°F+2.3°NCLIMGRID
1934Aug63.1°F65.1°F-2.0°NCLIMGRID
1934Sep55.3°F56.1°F-0.8°NCLIMGRID
1934Oct47.1°F44.6°F+2.5°NCLIMGRID
1934Nov33.6°F30.1°F+3.5°NCLIMGRID
1934Dec12.4°F15.8°F-3.5°NCLIMGRID
1935Jan8.1°F10.1°F-2.1°NCLIMGRID
1935Feb17.3°F15.1°F+2.2°NCLIMGRID
1935Mar27.8°F27.4°F+0.4°NCLIMGRID
1935Apr40.3°F42.3°F-1.9°NCLIMGRID
1935May49.7°F53.9°F-4.2°NCLIMGRID
1935Jun58.8°F62.7°F-3.9°NCLIMGRID
1935Jul72.7°F67.7°F+5.0°NCLIMGRID
1935Aug66.2°F65.1°F+1.1°NCLIMGRID
1935Sep55.8°F56.1°F-0.4°NCLIMGRID
1935Oct44.4°F44.6°F-0.2°NCLIMGRID
1935Nov26.3°F30.1°F-3.8°NCLIMGRID
1935Dec15.7°F15.8°F-0.1°NCLIMGRID
1936Jan5.4°F10.1°F-4.7°NCLIMGRID
1936Feb-1.0°F15.1°F-16.1°NCLIMGRID
1936Mar26.8°F27.4°F-0.6°NCLIMGRID
1936Apr35.1°F42.3°F-7.2°NCLIMGRID
1936May59.3°F53.9°F+5.4°NCLIMGRID
1936Jun61.4°F62.7°F-1.3°NCLIMGRID
1936Jul73.8°F67.7°F+6.1°NCLIMGRID
1936Aug68.3°F65.1°F+3.2°NCLIMGRID
1936Sep60.9°F56.1°F+4.8°NCLIMGRID
1936Oct41.6°F44.6°F-3.0°NCLIMGRID
1936Nov26.5°F30.1°F-3.5°NCLIMGRID
1936Dec18.7°F15.8°F+2.9°NCLIMGRID
1937Jan6.7°F10.1°F-3.5°NCLIMGRID
1937Feb11.8°F15.1°F-3.3°NCLIMGRID
1937Mar22.0°F27.4°F-5.4°NCLIMGRID
1937Apr38.7°F42.3°F-3.6°NCLIMGRID
1937May55.7°F53.9°F+1.8°NCLIMGRID
1937Jun62.7°F62.7°F+0.1°NCLIMGRID
1937Jul70.6°F67.7°F+2.8°NCLIMGRID
1937Aug71.5°F65.1°F+6.4°NCLIMGRID
1937Sep58.4°F56.1°F+2.2°NCLIMGRID
1937Oct41.8°F44.6°F-2.8°NCLIMGRID
1937Nov27.4°F30.1°F-2.6°NCLIMGRID
1937Dec13.3°F15.8°F-2.6°NCLIMGRID
1938Jan10.5°F10.1°F+0.3°NCLIMGRID
1938Feb19.5°F15.1°F+4.4°NCLIMGRID
1938Mar32.8°F27.4°F+5.4°NCLIMGRID
1938Apr43.3°F42.3°F+1.0°NCLIMGRID
1938May53.7°F53.9°F-0.2°NCLIMGRID
1938Jun62.4°F62.7°F-0.3°NCLIMGRID
1938Jul67.2°F67.7°F-0.6°NCLIMGRID
1938Aug68.1°F65.1°F+3.0°NCLIMGRID
1938Sep56.3°F56.1°F+0.2°NCLIMGRID
1938Oct48.5°F44.6°F+4.0°NCLIMGRID
1938Nov30.7°F30.1°F+0.7°NCLIMGRID
1938Dec16.2°F15.8°F+0.3°NCLIMGRID
1939Jan16.9°F10.1°F+6.8°NCLIMGRID
1939Feb9.8°F15.1°F-5.3°NCLIMGRID
1939Mar25.2°F27.4°F-2.2°NCLIMGRID
1939Apr39.1°F42.3°F-3.1°NCLIMGRID
1939May58.2°F53.9°F+4.3°NCLIMGRID
1939Jun63.6°F62.7°F+0.9°NCLIMGRID
1939Jul69.0°F67.7°F+1.3°NCLIMGRID
1939Aug65.8°F65.1°F+0.7°NCLIMGRID
1939Sep58.8°F56.1°F+2.6°NCLIMGRID
1939Oct45.0°F44.6°F+0.4°NCLIMGRID
1939Nov30.8°F30.1°F+0.8°NCLIMGRID
1939Dec24.4°F15.8°F+8.6°NCLIMGRID
1940Jan6.0°F10.1°F-4.2°NCLIMGRID
1940Feb18.1°F15.1°F+2.9°NCLIMGRID
1940Mar20.5°F27.4°F-6.9°NCLIMGRID
1940Apr38.9°F42.3°F-3.3°NCLIMGRID
1940May51.2°F53.9°F-2.7°NCLIMGRID
1940Jun62.6°F62.7°F-0.1°NCLIMGRID
1940Jul68.7°F67.7°F+1.0°NCLIMGRID
1940Aug64.3°F65.1°F-0.8°NCLIMGRID
1940Sep58.7°F56.1°F+2.6°NCLIMGRID
1940Oct47.5°F44.6°F+2.9°NCLIMGRID
1940Nov27.3°F30.1°F-2.8°NCLIMGRID
1940Dec18.2°F15.8°F+2.3°NCLIMGRID
1941Jan14.3°F10.1°F+4.2°NCLIMGRID
1941Feb13.9°F15.1°F-1.2°NCLIMGRID
1941Mar22.1°F27.4°F-5.3°NCLIMGRID
1941Apr48.0°F42.3°F+5.8°NCLIMGRID
1941May58.2°F53.9°F+4.3°NCLIMGRID
1941Jun64.9°F62.7°F+2.2°NCLIMGRID
1941Jul68.3°F67.7°F+0.6°NCLIMGRID
1941Aug65.6°F65.1°F+0.4°NCLIMGRID
1941Sep58.7°F56.1°F+2.5°NCLIMGRID
1941Oct45.8°F44.6°F+1.2°NCLIMGRID
1941Nov32.7°F30.1°F+2.7°NCLIMGRID
1941Dec24.2°F15.8°F+8.3°NCLIMGRID
1942Jan15.4°F10.1°F+5.2°NCLIMGRID
1942Feb15.1°F15.1°F+0.0°NCLIMGRID
1942Mar29.9°F27.4°F+2.6°NCLIMGRID
1942Apr48.3°F42.3°F+6.1°NCLIMGRID
1942May52.6°F53.9°F-1.3°NCLIMGRID
1942Jun62.9°F62.7°F+0.2°NCLIMGRID
1942Jul66.5°F67.7°F-1.3°NCLIMGRID
1942Aug64.9°F65.1°F-0.2°NCLIMGRID
1942Sep54.4°F56.1°F-1.7°NCLIMGRID
1942Oct46.3°F44.6°F+1.7°NCLIMGRID
1942Nov29.8°F30.1°F-0.2°NCLIMGRID
1942Dec13.0°F15.8°F-2.9°NCLIMGRID
1943Jan8.0°F10.1°F-2.2°NCLIMGRID
1943Feb14.5°F15.1°F-0.6°NCLIMGRID
1943Mar18.2°F27.4°F-9.2°NCLIMGRID
1943Apr38.8°F42.3°F-3.5°NCLIMGRID
1943May52.8°F53.9°F-1.1°NCLIMGRID
1943Jun66.1°F62.7°F+3.4°NCLIMGRID
1943Jul70.1°F67.7°F+2.3°NCLIMGRID
1943Aug67.0°F65.1°F+1.9°NCLIMGRID
1943Sep53.0°F56.1°F-3.1°NCLIMGRID
1943Oct45.8°F44.6°F+1.2°NCLIMGRID
1943Nov26.3°F30.1°F-3.7°NCLIMGRID
1943Dec18.9°F15.8°F+3.1°NCLIMGRID
1944Jan22.0°F10.1°F+11.9°NCLIMGRID
1944Feb18.0°F15.1°F+2.9°NCLIMGRID
1944Mar22.4°F27.4°F-5.0°NCLIMGRID
1944Apr38.9°F42.3°F-3.4°NCLIMGRID
1944May58.2°F53.9°F+4.3°NCLIMGRID
1944Jun65.4°F62.7°F+2.7°NCLIMGRID
1944Jul66.9°F67.7°F-0.8°NCLIMGRID
1944Aug67.7°F65.1°F+2.6°NCLIMGRID
1944Sep58.0°F56.1°F+1.8°NCLIMGRID
1944Oct45.8°F44.6°F+1.2°NCLIMGRID
1944Nov35.5°F30.1°F+5.5°NCLIMGRID
1944Dec14.1°F15.8°F-1.7°NCLIMGRID
1945Jan7.9°F10.1°F-2.2°NCLIMGRID
1945Feb13.8°F15.1°F-1.3°NCLIMGRID
1945Mar36.1°F27.4°F+8.7°NCLIMGRID
1945Apr41.8°F42.3°F-0.5°NCLIMGRID
1945May49.2°F53.9°F-4.7°NCLIMGRID
1945Jun58.7°F62.7°F-3.9°NCLIMGRID
1945Jul65.0°F67.7°F-2.8°NCLIMGRID
1945Aug65.4°F65.1°F+0.3°NCLIMGRID
1945Sep56.1°F56.1°F+0.0°NCLIMGRID
1945Oct43.9°F44.6°F-0.7°NCLIMGRID
1945Nov28.8°F30.1°F-1.3°NCLIMGRID
1945Dec11.9°F15.8°F-3.9°NCLIMGRID
1946Jan13.7°F10.1°F+3.5°NCLIMGRID
1946Feb13.9°F15.1°F-1.2°NCLIMGRID
1946Mar37.6°F27.4°F+10.2°NCLIMGRID
1946Apr44.3°F42.3°F+2.1°NCLIMGRID
1946May51.5°F53.9°F-2.4°NCLIMGRID
1946Jun62.2°F62.7°F-0.5°NCLIMGRID
1946Jul67.8°F67.7°F+0.1°NCLIMGRID
1946Aug63.7°F65.1°F-1.4°NCLIMGRID
1946Sep55.8°F56.1°F-0.3°NCLIMGRID
1946Oct48.7°F44.6°F+4.1°NCLIMGRID
1946Nov30.9°F30.1°F+0.8°NCLIMGRID
1946Dec18.6°F15.8°F+2.7°NCLIMGRID
1947Jan15.5°F10.1°F+5.4°NCLIMGRID
1947Feb11.6°F15.1°F-3.6°NCLIMGRID
1947Mar24.3°F27.4°F-3.1°NCLIMGRID
1947Apr38.3°F42.3°F-3.9°NCLIMGRID
1947May48.3°F53.9°F-5.6°NCLIMGRID
1947Jun60.1°F62.7°F-2.6°NCLIMGRID
1947Jul67.4°F67.7°F-0.4°NCLIMGRID
1947Aug72.8°F65.1°F+7.7°NCLIMGRID
1947Sep58.5°F56.1°F+2.4°NCLIMGRID
1947Oct54.9°F44.6°F+10.3°NCLIMGRID
1947Nov24.9°F30.1°F-5.1°NCLIMGRID
1947Dec16.0°F15.8°F+0.2°NCLIMGRID
1948Jan4.6°F10.1°F-5.6°NCLIMGRID
1948Feb11.6°F15.1°F-3.5°NCLIMGRID
1948Mar24.4°F27.4°F-3.0°NCLIMGRID
1948Apr45.7°F42.3°F+3.4°NCLIMGRID
1948May53.3°F53.9°F-0.6°NCLIMGRID
1948Jun63.5°F62.7°F+0.8°NCLIMGRID
1948Jul68.6°F67.7°F+0.9°NCLIMGRID
1948Aug67.6°F65.1°F+2.4°NCLIMGRID
1948Sep61.3°F56.1°F+5.2°NCLIMGRID
1948Oct45.1°F44.6°F+0.5°NCLIMGRID
1948Nov33.3°F30.1°F+3.2°NCLIMGRID
1948Dec16.4°F15.8°F+0.5°NCLIMGRID
1949Jan14.0°F10.1°F+3.9°NCLIMGRID
1949Feb12.7°F15.1°F-2.4°NCLIMGRID
1949Mar25.1°F27.4°F-2.3°NCLIMGRID
1949Apr42.9°F42.3°F+0.6°NCLIMGRID
1949May55.8°F53.9°F+1.9°NCLIMGRID
1949Jun68.6°F62.7°F+5.9°NCLIMGRID
1949Jul70.0°F67.7°F+2.3°NCLIMGRID
1949Aug66.7°F65.1°F+1.6°NCLIMGRID
1949Sep53.5°F56.1°F-2.6°NCLIMGRID
1949Oct48.6°F44.6°F+4.0°NCLIMGRID
1949Nov30.9°F30.1°F+0.8°NCLIMGRID
1949Dec17.6°F15.8°F+1.7°NCLIMGRID
1950Jan7.9°F10.1°F-2.3°NCLIMGRID
1950Feb13.0°F15.1°F-2.1°NCLIMGRID
1950Mar20.6°F27.4°F-6.8°NCLIMGRID
1950Apr33.0°F42.3°F-9.2°NCLIMGRID
1950May52.8°F53.9°F-1.1°NCLIMGRID
1950Jun63.0°F62.7°F+0.3°NCLIMGRID
1950Jul64.2°F67.7°F-3.6°NCLIMGRID
1950Aug60.4°F65.1°F-4.7°NCLIMGRID
1950Sep56.6°F56.1°F+0.4°NCLIMGRID
1950Oct50.0°F44.6°F+5.4°NCLIMGRID
1950Nov25.6°F30.1°F-4.5°NCLIMGRID
1950Dec9.6°F15.8°F-6.2°NCLIMGRID
1951Jan7.5°F10.1°F-2.7°NCLIMGRID
1951Feb13.9°F15.1°F-1.2°NCLIMGRID
1951Mar21.5°F27.4°F-5.9°NCLIMGRID
1951Apr39.8°F42.3°F-2.5°NCLIMGRID
1951May57.4°F53.9°F+3.5°NCLIMGRID
1951Jun60.0°F62.7°F-2.7°NCLIMGRID
1951Jul66.2°F67.7°F-1.5°NCLIMGRID
1951Aug62.0°F65.1°F-3.1°NCLIMGRID
1951Sep53.6°F56.1°F-2.6°NCLIMGRID
1951Oct44.8°F44.6°F+0.2°NCLIMGRID
1951Nov21.7°F30.1°F-8.3°NCLIMGRID
1951Dec14.3°F15.8°F-1.5°NCLIMGRID
1952Jan12.1°F10.1°F+2.0°NCLIMGRID
1952Feb18.9°F15.1°F+3.8°NCLIMGRID
1952Mar23.7°F27.4°F-3.7°NCLIMGRID
1952Apr45.2°F42.3°F+3.0°NCLIMGRID
1952May53.2°F53.9°F-0.7°NCLIMGRID
1952Jun64.8°F62.7°F+2.1°NCLIMGRID
1952Jul68.8°F67.7°F+1.0°NCLIMGRID
1952Aug64.0°F65.1°F-1.1°NCLIMGRID
1952Sep57.3°F56.1°F+1.2°NCLIMGRID
1952Oct39.8°F44.6°F-4.8°NCLIMGRID
1952Nov32.2°F30.1°F+2.1°NCLIMGRID
1952Dec21.5°F15.8°F+5.7°NCLIMGRID
1953Jan15.4°F10.1°F+5.3°NCLIMGRID
1953Feb13.6°F15.1°F-1.5°NCLIMGRID
1953Mar26.7°F27.4°F-0.7°NCLIMGRID
1953Apr38.1°F42.3°F-4.2°NCLIMGRID
1953May54.4°F53.9°F+0.5°NCLIMGRID
1953Jun65.2°F62.7°F+2.5°NCLIMGRID
1953Jul66.9°F67.7°F-0.8°NCLIMGRID
1953Aug66.6°F65.1°F+1.5°NCLIMGRID
1953Sep57.2°F56.1°F+1.1°NCLIMGRID
1953Oct51.4°F44.6°F+6.8°NCLIMGRID
1953Nov35.6°F30.1°F+5.6°NCLIMGRID
1953Dec19.6°F15.8°F+3.7°NCLIMGRID
1954Jan10.0°F10.1°F-0.2°NCLIMGRID
1954Feb25.1°F15.1°F+10.0°NCLIMGRID
1954Mar24.2°F27.4°F-3.2°NCLIMGRID
1954Apr42.7°F42.3°F+0.4°NCLIMGRID
1954May48.0°F53.9°F-5.9°NCLIMGRID
1954Jun65.5°F62.7°F+2.8°NCLIMGRID
1954Jul67.6°F67.7°F-0.2°NCLIMGRID
1954Aug63.7°F65.1°F-1.4°NCLIMGRID
1954Sep55.0°F56.1°F-1.1°NCLIMGRID
1954Oct43.6°F44.6°F-1.0°NCLIMGRID
1954Nov33.0°F30.1°F+2.9°NCLIMGRID
1954Dec18.0°F15.8°F+2.1°NCLIMGRID
1955Jan10.0°F10.1°F-0.2°NCLIMGRID
1955Feb12.4°F15.1°F-2.7°NCLIMGRID
1955Mar21.9°F27.4°F-5.5°NCLIMGRID
1955Apr47.9°F42.3°F+5.7°NCLIMGRID
1955May56.9°F53.9°F+3.0°NCLIMGRID
1955Jun62.8°F62.7°F+0.1°NCLIMGRID
1955Jul72.3°F67.7°F+4.6°NCLIMGRID
1955Aug69.9°F65.1°F+4.8°NCLIMGRID
1955Sep57.3°F56.1°F+1.2°NCLIMGRID
1955Oct46.9°F44.6°F+2.3°NCLIMGRID
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1984Feb25.8°F15.1°F+10.7°NCLIMGRID
1984Mar22.0°F27.4°F-5.4°NCLIMGRID
1984Apr44.4°F42.3°F+2.1°NCLIMGRID
1984May50.3°F53.9°F-3.6°NCLIMGRID
1984Jun64.5°F62.7°F+1.8°NCLIMGRID
1984Jul65.7°F67.7°F-2.1°NCLIMGRID
1984Aug67.4°F65.1°F+2.2°NCLIMGRID
1984Sep54.1°F56.1°F-2.0°NCLIMGRID
1984Oct48.0°F44.6°F+3.4°NCLIMGRID
1984Nov30.3°F30.1°F+0.3°NCLIMGRID
1984Dec17.7°F15.8°F+1.8°NCLIMGRID
1985Jan9.5°F10.1°F-0.6°NCLIMGRID
1985Feb13.6°F15.1°F-1.5°NCLIMGRID
1985Mar32.0°F27.4°F+4.6°NCLIMGRID
1985Apr45.9°F42.3°F+3.6°NCLIMGRID
1985May57.6°F53.9°F+3.7°NCLIMGRID
1985Jun59.8°F62.7°F-2.9°NCLIMGRID
1985Jul65.9°F67.7°F-1.9°NCLIMGRID
1985Aug63.4°F65.1°F-1.8°NCLIMGRID
1985Sep56.5°F56.1°F+0.3°NCLIMGRID
1985Oct45.0°F44.6°F+0.4°NCLIMGRID
1985Nov25.1°F30.1°F-4.9°NCLIMGRID
1985Dec5.6°F15.8°F-10.3°NCLIMGRID
1986Jan13.2°F10.1°F+3.0°NCLIMGRID
1986Feb14.1°F15.1°F-1.0°NCLIMGRID
1986Mar29.5°F27.4°F+2.1°NCLIMGRID
1986Apr46.8°F42.3°F+4.5°NCLIMGRID
1986May57.2°F53.9°F+3.3°NCLIMGRID
1986Jun62.7°F62.7°F+0.0°NCLIMGRID
1986Jul68.7°F67.7°F+0.9°NCLIMGRID
1986Aug61.9°F65.1°F-3.3°NCLIMGRID
1986Sep56.7°F56.1°F+0.6°NCLIMGRID
1986Oct44.8°F44.6°F+0.2°NCLIMGRID
1986Nov26.0°F30.1°F-4.1°NCLIMGRID
1986Dec20.7°F15.8°F+4.8°NCLIMGRID
1987Jan18.0°F10.1°F+7.8°NCLIMGRID
1987Feb24.9°F15.1°F+9.8°NCLIMGRID
1987Mar33.5°F27.4°F+6.1°NCLIMGRID
1987Apr47.4°F42.3°F+5.2°NCLIMGRID
1987May57.2°F53.9°F+3.3°NCLIMGRID
1987Jun66.5°F62.7°F+3.8°NCLIMGRID
1987Jul70.5°F67.7°F+2.8°NCLIMGRID
1987Aug65.2°F65.1°F+0.0°NCLIMGRID
1987Sep58.1°F56.1°F+1.9°NCLIMGRID
1987Oct39.4°F44.6°F-5.2°NCLIMGRID
1987Nov34.5°F30.1°F+4.4°NCLIMGRID
1987Dec24.3°F15.8°F+8.5°NCLIMGRID
1988Jan8.3°F10.1°F-1.8°NCLIMGRID
1988Feb10.9°F15.1°F-4.2°NCLIMGRID
1988Mar28.7°F27.4°F+1.3°NCLIMGRID
1988Apr42.7°F42.3°F+0.4°NCLIMGRID
1988May58.4°F53.9°F+4.5°NCLIMGRID
1988Jun66.4°F62.7°F+3.7°NCLIMGRID
1988Jul71.3°F67.7°F+3.5°NCLIMGRID
1988Aug69.5°F65.1°F+4.3°NCLIMGRID
1988Sep57.7°F56.1°F+1.6°NCLIMGRID
1988Oct39.6°F44.6°F-5.0°NCLIMGRID
1988Nov33.0°F30.1°F+2.9°NCLIMGRID
1988Dec16.2°F15.8°F+0.4°NCLIMGRID
1989Jan18.9°F10.1°F+8.8°NCLIMGRID
1989Feb7.8°F15.1°F-7.3°NCLIMGRID
1989Mar22.3°F27.4°F-5.1°NCLIMGRID
1989Apr39.7°F42.3°F-2.6°NCLIMGRID
1989May53.4°F53.9°F-0.5°NCLIMGRID
1989Jun61.3°F62.7°F-1.4°NCLIMGRID
1989Jul69.0°F67.7°F+1.2°NCLIMGRID
1989Aug66.2°F65.1°F+1.1°NCLIMGRID
1989Sep56.0°F56.1°F-0.1°NCLIMGRID
1989Oct47.1°F44.6°F+2.5°NCLIMGRID
1989Nov26.2°F30.1°F-3.8°NCLIMGRID
1989Dec6.0°F15.8°F-9.9°NCLIMGRID
1990Jan21.8°F10.1°F+11.7°NCLIMGRID
1990Feb17.5°F15.1°F+2.4°NCLIMGRID
1990Mar31.2°F27.4°F+3.8°NCLIMGRID
1990Apr44.7°F42.3°F+2.5°NCLIMGRID
1990May51.1°F53.9°F-2.8°NCLIMGRID
1990Jun63.1°F62.7°F+0.4°NCLIMGRID
1990Jul66.1°F67.7°F-1.7°NCLIMGRID
1990Aug65.2°F65.1°F+0.0°NCLIMGRID
1990Sep58.8°F56.1°F+2.7°NCLIMGRID
1990Oct43.5°F44.6°F-1.1°NCLIMGRID
1990Nov35.3°F30.1°F+5.3°NCLIMGRID
1990Dec15.6°F15.8°F-0.2°NCLIMGRID
1991Jan9.0°F10.1°F-1.1°NCLIMGRID
1991Feb19.2°F15.1°F+4.1°NCLIMGRID
1991Mar29.6°F27.4°F+2.2°NCLIMGRID
1991Apr45.4°F42.3°F+3.2°NCLIMGRID
1991May58.7°F53.9°F+4.8°NCLIMGRID
1991Jun67.4°F62.7°F+4.7°NCLIMGRID
1991Jul66.3°F67.7°F-1.4°NCLIMGRID
1991Aug66.9°F65.1°F+1.8°NCLIMGRID
1991Sep54.1°F56.1°F-2.1°NCLIMGRID
1991Oct43.6°F44.6°F-0.9°NCLIMGRID
1991Nov24.9°F30.1°F-5.1°NCLIMGRID
1991Dec18.4°F15.8°F+2.5°NCLIMGRID
1992Jan18.1°F10.1°F+7.9°NCLIMGRID
1992Feb22.9°F15.1°F+7.8°NCLIMGRID
1992Mar27.2°F27.4°F-0.2°NCLIMGRID
1992Apr39.2°F42.3°F-3.1°NCLIMGRID
1992May55.1°F53.9°F+1.2°NCLIMGRID
1992Jun59.8°F62.7°F-2.9°NCLIMGRID
1992Jul61.5°F67.7°F-6.2°NCLIMGRID
1992Aug61.4°F65.1°F-3.7°NCLIMGRID
1992Sep54.7°F56.1°F-1.5°NCLIMGRID
1992Oct43.8°F44.6°F-0.8°NCLIMGRID
1992Nov28.5°F30.1°F-1.5°NCLIMGRID
1992Dec18.6°F15.8°F+2.8°NCLIMGRID
1993Jan12.6°F10.1°F+2.4°NCLIMGRID
1993Feb14.8°F15.1°F-0.3°NCLIMGRID
1993Mar27.4°F27.4°F+0.0°NCLIMGRID
1993Apr38.3°F42.3°F-4.0°NCLIMGRID
1993May53.0°F53.9°F-0.9°NCLIMGRID
1993Jun59.8°F62.7°F-2.9°NCLIMGRID
1993Jul66.3°F67.7°F-1.4°NCLIMGRID
1993Aug66.4°F65.1°F+1.3°NCLIMGRID
1993Sep50.8°F56.1°F-5.3°NCLIMGRID
1993Oct42.7°F44.6°F-1.9°NCLIMGRID
1993Nov28.3°F30.1°F-1.8°NCLIMGRID
1993Dec20.1°F15.8°F+4.3°NCLIMGRID
1994Jan2.0°F10.1°F-8.1°NCLIMGRID
1994Feb11.0°F15.1°F-4.1°NCLIMGRID
1994Mar30.1°F27.4°F+2.7°NCLIMGRID
1994Apr41.2°F42.3°F-1.1°NCLIMGRID
1994May54.8°F53.9°F+0.9°NCLIMGRID
1994Jun65.9°F62.7°F+3.2°NCLIMGRID
1994Jul65.7°F67.7°F-2.0°NCLIMGRID
1994Aug62.7°F65.1°F-2.4°NCLIMGRID
1994Sep60.4°F56.1°F+4.2°NCLIMGRID
1994Oct48.1°F44.6°F+3.5°NCLIMGRID
1994Nov35.3°F30.1°F+5.3°NCLIMGRID
1994Dec24.1°F15.8°F+8.3°NCLIMGRID
1995Jan16.0°F10.1°F+5.9°NCLIMGRID
1995Feb15.7°F15.1°F+0.6°NCLIMGRID
1995Mar31.4°F27.4°F+4.0°NCLIMGRID
1995Apr36.5°F42.3°F-5.8°NCLIMGRID
1995May53.3°F53.9°F-0.6°NCLIMGRID
1995Jun68.3°F62.7°F+5.6°NCLIMGRID
1995Jul68.7°F67.7°F+0.9°NCLIMGRID
1995Aug70.3°F65.1°F+5.2°NCLIMGRID
1995Sep55.0°F56.1°F-1.1°NCLIMGRID
1995Oct45.8°F44.6°F+1.3°NCLIMGRID
1995Nov22.5°F30.1°F-7.6°NCLIMGRID
1995Dec14.1°F15.8°F-1.8°NCLIMGRID
1996Jan8.7°F10.1°F-1.5°NCLIMGRID
1996Feb13.9°F15.1°F-1.2°NCLIMGRID
1996Mar21.1°F27.4°F-6.3°NCLIMGRID
1996Apr37.5°F42.3°F-4.7°NCLIMGRID
1996May51.0°F53.9°F-2.9°NCLIMGRID
1996Jun63.4°F62.7°F+0.7°NCLIMGRID
1996Jul64.2°F67.7°F-3.6°NCLIMGRID
1996Aug66.2°F65.1°F+1.1°NCLIMGRID
1996Sep57.5°F56.1°F+1.4°NCLIMGRID
1996Oct45.6°F44.6°F+1.0°NCLIMGRID
1996Nov24.9°F30.1°F-5.1°NCLIMGRID
1996Dec16.8°F15.8°F+1.0°NCLIMGRID
1997Jan10.2°F10.1°F+0.1°NCLIMGRID
1997Feb19.2°F15.1°F+4.1°NCLIMGRID
1997Mar26.9°F27.4°F-0.5°NCLIMGRID
1997Apr40.1°F42.3°F-2.2°NCLIMGRID
1997May48.2°F53.9°F-5.7°NCLIMGRID
1997Jun65.2°F62.7°F+2.5°NCLIMGRID
1997Jul66.4°F67.7°F-1.3°NCLIMGRID
1997Aug62.3°F65.1°F-2.8°NCLIMGRID
1997Sep58.4°F56.1°F+2.2°NCLIMGRID
1997Oct46.2°F44.6°F+1.6°NCLIMGRID
1997Nov28.5°F30.1°F-1.5°NCLIMGRID
1997Dec24.8°F15.8°F+8.9°NCLIMGRID
1998Jan18.9°F10.1°F+8.8°NCLIMGRID
1998Feb30.2°F15.1°F+15.1°NCLIMGRID
1998Mar30.2°F27.4°F+2.8°NCLIMGRID
1998Apr47.2°F42.3°F+4.9°NCLIMGRID
1998May60.8°F53.9°F+6.9°NCLIMGRID
1998Jun62.6°F62.7°F-0.1°NCLIMGRID
1998Jul68.7°F67.7°F+0.9°NCLIMGRID
1998Aug67.7°F65.1°F+2.5°NCLIMGRID
1998Sep62.1°F56.1°F+6.0°NCLIMGRID
1998Oct48.0°F44.6°F+3.4°NCLIMGRID
1998Nov35.9°F30.1°F+5.8°NCLIMGRID
1998Dec23.2°F15.8°F+7.4°NCLIMGRID
1999Jan10.0°F10.1°F-0.1°NCLIMGRID
1999Feb24.2°F15.1°F+9.1°NCLIMGRID
1999Mar30.6°F27.4°F+3.2°NCLIMGRID
1999Apr46.2°F42.3°F+4.0°NCLIMGRID
1999May57.1°F53.9°F+3.2°NCLIMGRID
1999Jun64.3°F62.7°F+1.6°NCLIMGRID
1999Jul71.2°F67.7°F+3.5°NCLIMGRID
1999Aug64.4°F65.1°F-0.7°NCLIMGRID
1999Sep56.3°F56.1°F+0.2°NCLIMGRID
1999Oct44.3°F44.6°F-0.3°NCLIMGRID
1999Nov38.2°F30.1°F+8.1°NCLIMGRID
1999Dec20.9°F15.8°F+5.0°NCLIMGRID
2000Jan12.9°F10.1°F+2.7°NCLIMGRID
2000Feb23.1°F15.1°F+8.0°NCLIMGRID
2000Mar37.5°F27.4°F+10.1°NCLIMGRID
2000Apr41.8°F42.3°F-0.5°NCLIMGRID
2000May56.3°F53.9°F+2.4°NCLIMGRID
2000Jun61.5°F62.7°F-1.2°NCLIMGRID
2000Jul66.5°F67.7°F-1.2°NCLIMGRID
2000Aug66.6°F65.1°F+1.4°NCLIMGRID
2000Sep57.0°F56.1°F+0.9°NCLIMGRID
2000Oct49.2°F44.6°F+4.6°NCLIMGRID
2000Nov31.0°F30.1°F+1.0°NCLIMGRID
2000Dec7.9°F15.8°F-8.0°NCLIMGRID
2001Jan18.0°F10.1°F+7.8°NCLIMGRID
2001Feb13.1°F15.1°F-2.0°NCLIMGRID
2001Mar26.5°F27.4°F-0.9°NCLIMGRID
2001Apr45.6°F42.3°F+3.3°NCLIMGRID
2001May55.8°F53.9°F+1.9°NCLIMGRID
2001Jun63.5°F62.7°F+0.8°NCLIMGRID
2001Jul68.9°F67.7°F+1.2°NCLIMGRID
2001Aug68.8°F65.1°F+3.7°NCLIMGRID
2001Sep56.3°F56.1°F+0.2°NCLIMGRID
2001Oct44.6°F44.6°F+0.0°NCLIMGRID
2001Nov41.1°F30.1°F+11.0°NCLIMGRID
2001Dec25.8°F15.8°F+10.0°NCLIMGRID
2002Jan22.7°F10.1°F+12.6°NCLIMGRID
2002Feb25.1°F15.1°F+10.0°NCLIMGRID
2002Mar23.0°F27.4°F-4.4°NCLIMGRID
2002Apr41.1°F42.3°F-1.2°NCLIMGRID
2002May49.6°F53.9°F-4.3°NCLIMGRID
2002Jun65.6°F62.7°F+2.9°NCLIMGRID
2002Jul71.8°F67.7°F+4.1°NCLIMGRID
2002Aug66.1°F65.1°F+1.0°NCLIMGRID
2002Sep60.4°F56.1°F+4.3°NCLIMGRID
2002Oct40.2°F44.6°F-4.4°NCLIMGRID
2002Nov30.1°F30.1°F+0.0°NCLIMGRID
2002Dec22.5°F15.8°F+6.7°NCLIMGRID
2003Jan11.8°F10.1°F+1.6°NCLIMGRID
2003Feb10.5°F15.1°F-4.6°NCLIMGRID
2003Mar27.6°F27.4°F+0.2°NCLIMGRID
2003Apr41.4°F42.3°F-0.9°NCLIMGRID
2003May53.1°F53.9°F-0.8°NCLIMGRID
2003Jun62.7°F62.7°F+0.0°NCLIMGRID
2003Jul67.4°F67.7°F-0.4°NCLIMGRID
2003Aug69.4°F65.1°F+4.3°NCLIMGRID
2003Sep58.6°F56.1°F+2.5°NCLIMGRID
2003Oct45.5°F44.6°F+0.9°NCLIMGRID
2003Nov31.0°F30.1°F+1.0°NCLIMGRID
2003Dec23.1°F15.8°F+7.2°NCLIMGRID
2004Jan8.2°F10.1°F-2.0°NCLIMGRID
2004Feb19.1°F15.1°F+4.0°NCLIMGRID
2004Mar31.0°F27.4°F+3.6°NCLIMGRID
2004Apr43.2°F42.3°F+1.0°NCLIMGRID
2004May51.7°F53.9°F-2.2°NCLIMGRID
2004Jun61.0°F62.7°F-1.7°NCLIMGRID
2004Jul66.0°F67.7°F-1.7°NCLIMGRID
2004Aug61.0°F65.1°F-4.1°NCLIMGRID
2004Sep62.4°F56.1°F+6.3°NCLIMGRID
2004Oct46.5°F44.6°F+1.9°NCLIMGRID
2004Nov35.0°F30.1°F+4.9°NCLIMGRID
2004Dec18.4°F15.8°F+2.5°NCLIMGRID
2005Jan12.3°F10.1°F+2.2°NCLIMGRID
2005Feb22.6°F15.1°F+7.4°NCLIMGRID
2005Mar25.1°F27.4°F-2.3°NCLIMGRID
2005Apr46.9°F42.3°F+4.7°NCLIMGRID
2005May52.1°F53.9°F-1.8°NCLIMGRID
2005Jun69.4°F62.7°F+6.7°NCLIMGRID
2005Jul70.3°F67.7°F+2.6°NCLIMGRID
2005Aug67.5°F65.1°F+2.4°NCLIMGRID
2005Sep62.1°F56.1°F+6.0°NCLIMGRID
2005Oct48.5°F44.6°F+4.0°NCLIMGRID
2005Nov32.5°F30.1°F+2.4°NCLIMGRID
2005Dec17.2°F15.8°F+1.4°NCLIMGRID
2006Jan25.7°F10.1°F+15.5°NCLIMGRID
2006Feb15.8°F15.1°F+0.7°NCLIMGRID
2006Mar30.4°F27.4°F+3.0°NCLIMGRID
2006Apr48.2°F42.3°F+6.0°NCLIMGRID
2006May55.8°F53.9°F+1.9°NCLIMGRID
2006Jun64.6°F62.7°F+1.9°NCLIMGRID
2006Jul72.1°F67.7°F+4.4°NCLIMGRID
2006Aug66.2°F65.1°F+1.1°NCLIMGRID
2006Sep55.1°F56.1°F-1.0°NCLIMGRID
2006Oct41.4°F44.6°F-3.2°NCLIMGRID
2006Nov35.0°F30.1°F+4.9°NCLIMGRID
2006Dec25.4°F15.8°F+9.6°NCLIMGRID
2007Jan18.8°F10.1°F+8.7°NCLIMGRID
2007Feb10.2°F15.1°F-4.9°NCLIMGRID
2007Mar33.0°F27.4°F+5.6°NCLIMGRID
2007Apr42.3°F42.3°F+0.0°NCLIMGRID
2007May58.4°F53.9°F+4.5°NCLIMGRID
2007Jun65.7°F62.7°F+3.0°NCLIMGRID
2007Jul68.9°F67.7°F+1.2°NCLIMGRID
2007Aug67.2°F65.1°F+2.1°NCLIMGRID
2007Sep60.1°F56.1°F+4.0°NCLIMGRID
2007Oct51.4°F44.6°F+6.8°NCLIMGRID
2007Nov30.8°F30.1°F+0.8°NCLIMGRID
2007Dec15.6°F15.8°F-0.2°NCLIMGRID
2008Jan13.1°F10.1°F+3.0°NCLIMGRID
2008Feb11.3°F15.1°F-3.8°NCLIMGRID
2008Mar22.9°F27.4°F-4.5°NCLIMGRID
2008Apr41.6°F42.3°F-0.6°NCLIMGRID
2008May51.1°F53.9°F-2.8°NCLIMGRID
2008Jun63.4°F62.7°F+0.7°NCLIMGRID
2008Jul68.3°F67.7°F+0.5°NCLIMGRID
2008Aug65.9°F65.1°F+0.8°NCLIMGRID
2008Sep59.7°F56.1°F+3.6°NCLIMGRID
2008Oct45.9°F44.6°F+1.3°NCLIMGRID
2008Nov31.7°F30.1°F+1.6°NCLIMGRID
2008Dec10.6°F15.8°F-5.3°NCLIMGRID
2009Jan4.1°F10.1°F-6.0°NCLIMGRID
2009Feb18.0°F15.1°F+2.9°NCLIMGRID
2009Mar27.7°F27.4°F+0.3°NCLIMGRID
2009Apr42.1°F42.3°F-0.2°NCLIMGRID
2009May54.4°F53.9°F+0.5°NCLIMGRID
2009Jun62.8°F62.7°F+0.1°NCLIMGRID
2009Jul62.9°F67.7°F-4.8°NCLIMGRID
2009Aug64.0°F65.1°F-1.1°NCLIMGRID
2009Sep60.6°F56.1°F+4.4°NCLIMGRID
2009Oct40.7°F44.6°F-3.9°NCLIMGRID
2009Nov38.9°F30.1°F+8.8°NCLIMGRID
2009Dec16.7°F15.8°F+0.8°NCLIMGRID
2010Jan14.9°F10.1°F+4.8°NCLIMGRID
2010Feb20.3°F15.1°F+5.2°NCLIMGRID
2010Mar37.2°F27.4°F+9.8°NCLIMGRID
2010Apr49.2°F42.3°F+6.9°NCLIMGRID
2010May57.2°F53.9°F+3.3°NCLIMGRID
2010Jun63.7°F62.7°F+1.0°NCLIMGRID
2010Jul70.1°F67.7°F+2.4°NCLIMGRID
2010Aug69.7°F65.1°F+4.6°NCLIMGRID
2010Sep55.1°F56.1°F-1.1°NCLIMGRID
2010Oct47.8°F44.6°F+3.2°NCLIMGRID
2010Nov33.0°F30.1°F+2.9°NCLIMGRID
2010Dec16.6°F15.8°F+0.7°NCLIMGRID
2011Jan10.2°F10.1°F+0.1°NCLIMGRID
2011Feb17.0°F15.1°F+1.8°NCLIMGRID
2011Mar25.5°F27.4°F-1.9°NCLIMGRID
2011Apr39.7°F42.3°F-2.5°NCLIMGRID
2011May53.9°F53.9°F+0.0°NCLIMGRID
2011Jun63.7°F62.7°F+1.0°NCLIMGRID
2011Jul72.2°F67.7°F+4.5°NCLIMGRID
2011Aug67.4°F65.1°F+2.3°NCLIMGRID
2011Sep55.8°F56.1°F-0.3°NCLIMGRID
2011Oct48.7°F44.6°F+4.1°NCLIMGRID
2011Nov35.5°F30.1°F+5.5°NCLIMGRID
2011Dec23.7°F15.8°F+7.9°NCLIMGRID
2012Jan19.1°F10.1°F+8.9°NCLIMGRID
2012Feb24.2°F15.1°F+9.1°NCLIMGRID
2012Mar44.5°F27.4°F+17.1°NCLIMGRID
2012Apr44.8°F42.3°F+2.5°NCLIMGRID
2012May58.8°F53.9°F+4.9°NCLIMGRID
2012Jun66.8°F62.7°F+4.1°NCLIMGRID
2012Jul74.2°F67.7°F+6.5°NCLIMGRID
2012Aug66.8°F65.1°F+1.7°NCLIMGRID
2012Sep56.7°F56.1°F+0.6°NCLIMGRID
2012Oct44.1°F44.6°F-0.5°NCLIMGRID
2012Nov33.2°F30.1°F+3.1°NCLIMGRID
2012Dec23.8°F15.8°F+8.0°NCLIMGRID
2013Jan14.7°F10.1°F+4.6°NCLIMGRID
2013Feb15.0°F15.1°F-0.1°NCLIMGRID
2013Mar22.6°F27.4°F-4.8°NCLIMGRID
2013Apr36.3°F42.3°F-6.0°NCLIMGRID
2013May55.3°F53.9°F+1.4°NCLIMGRID
2013Jun63.3°F62.7°F+0.6°NCLIMGRID
2013Jul68.3°F67.7°F+0.5°NCLIMGRID
2013Aug66.9°F65.1°F+1.8°NCLIMGRID
2013Sep59.5°F56.1°F+3.3°NCLIMGRID
2013Oct45.6°F44.6°F+1.0°NCLIMGRID
2013Nov29.0°F30.1°F-1.1°NCLIMGRID
2013Dec9.8°F15.8°F-6.0°NCLIMGRID
2014Jan4.1°F10.1°F-6.0°NCLIMGRID
2014Feb4.7°F15.1°F-10.4°NCLIMGRID
2014Mar19.6°F27.4°F-7.8°NCLIMGRID
2014Apr37.9°F42.3°F-4.4°NCLIMGRID
2014May55.0°F53.9°F+1.1°NCLIMGRID
2014Jun66.5°F62.7°F+3.8°NCLIMGRID
2014Jul64.9°F67.7°F-2.9°NCLIMGRID
2014Aug65.9°F65.1°F+0.8°NCLIMGRID
2014Sep56.9°F56.1°F+0.7°NCLIMGRID
2014Oct44.7°F44.6°F+0.1°NCLIMGRID
2014Nov23.2°F30.1°F-6.9°NCLIMGRID
2014Dec21.5°F15.8°F+5.6°NCLIMGRID
2015Jan13.4°F10.1°F+3.2°NCLIMGRID
2015Feb5.5°F15.1°F-9.6°NCLIMGRID
2015Mar29.8°F27.4°F+2.4°NCLIMGRID
2015Apr44.5°F42.3°F+2.2°NCLIMGRID
2015May56.2°F53.9°F+2.3°NCLIMGRID
2015Jun63.3°F62.7°F+0.6°NCLIMGRID
2015Jul67.9°F67.7°F+0.2°NCLIMGRID
2015Aug65.0°F65.1°F-0.1°NCLIMGRID
2015Sep63.7°F56.1°F+7.5°NCLIMGRID
2015Oct47.1°F44.6°F+2.5°NCLIMGRID
2015Nov38.2°F30.1°F+8.1°NCLIMGRID
2015Dec30.3°F15.8°F+14.5°NCLIMGRID
2016Jan14.9°F10.1°F+4.8°NCLIMGRID
2016Feb21.2°F15.1°F+6.1°NCLIMGRID
2016Mar36.4°F27.4°F+9.0°NCLIMGRID
2016Apr42.3°F42.3°F+0.0°NCLIMGRID
2016May56.4°F53.9°F+2.5°NCLIMGRID
2016Jun65.4°F62.7°F+2.7°NCLIMGRID
2016Jul69.1°F67.7°F+1.3°NCLIMGRID
2016Aug68.6°F65.1°F+3.5°NCLIMGRID
2016Sep61.4°F56.1°F+5.2°NCLIMGRID
2016Oct49.0°F44.6°F+4.4°NCLIMGRID
2016Nov40.4°F30.1°F+10.4°NCLIMGRID
2016Dec18.8°F15.8°F+2.9°NCLIMGRID
2017Jan17.0°F10.1°F+6.8°NCLIMGRID
2017Feb25.1°F15.1°F+10.0°NCLIMGRID
2017Mar28.3°F27.4°F+0.9°NCLIMGRID
2017Apr45.3°F42.3°F+3.1°NCLIMGRID
2017May52.6°F53.9°F-1.3°NCLIMGRID
2017Jun64.5°F62.7°F+1.8°NCLIMGRID
2017Jul68.4°F67.7°F+0.6°NCLIMGRID
2017Aug63.3°F65.1°F-1.8°NCLIMGRID
2017Sep61.0°F56.1°F+4.8°NCLIMGRID
2017Oct48.7°F44.6°F+4.1°NCLIMGRID
2017Nov29.5°F30.1°F-0.5°NCLIMGRID
2017Dec14.7°F15.8°F-1.1°NCLIMGRID
2018Jan14.1°F10.1°F+4.0°NCLIMGRID
2018Feb13.8°F15.1°F-1.3°NCLIMGRID
2018Mar27.9°F27.4°F+0.5°NCLIMGRID
2018Apr31.9°F42.3°F-10.4°NCLIMGRID
2018May62.3°F53.9°F+8.4°NCLIMGRID
2018Jun66.4°F62.7°F+3.7°NCLIMGRID
2018Jul69.6°F67.7°F+1.9°NCLIMGRID
2018Aug68.1°F65.1°F+2.9°NCLIMGRID
2018Sep60.1°F56.1°F+4.0°NCLIMGRID
2018Oct41.8°F44.6°F-2.8°NCLIMGRID
2018Nov25.5°F30.1°F-4.5°NCLIMGRID
2018Dec23.4°F15.8°F+7.6°NCLIMGRID
2019Jan11.8°F10.1°F+1.7°NCLIMGRID
2019Feb11.7°F15.1°F-3.4°NCLIMGRID
2019Mar23.4°F27.4°F-4.0°NCLIMGRID
2019Apr40.7°F42.3°F-1.5°NCLIMGRID
2019May51.2°F53.9°F-2.7°NCLIMGRID
2019Jun63.1°F62.7°F+0.4°NCLIMGRID
2019Jul70.3°F67.7°F+2.5°NCLIMGRID
2019Aug64.5°F65.1°F-0.6°NCLIMGRID
2019Sep60.8°F56.1°F+4.7°NCLIMGRID
2019Oct43.1°F44.6°F-1.5°NCLIMGRID
2019Nov27.0°F30.1°F-3.1°NCLIMGRID
2019Dec20.7°F15.8°F+4.9°NCLIMGRID
2020Jan20.0°F10.1°F+9.8°NCLIMGRID
2020Feb16.9°F15.1°F+1.8°NCLIMGRID
2020Mar32.6°F27.4°F+5.2°NCLIMGRID
2020Apr39.4°F42.3°F-2.8°NCLIMGRID
2020May53.5°F53.9°F-0.4°NCLIMGRID
2020Jun65.8°F62.7°F+3.1°NCLIMGRID
2020Jul71.0°F67.7°F+3.2°NCLIMGRID
2020Aug67.5°F65.1°F+2.4°NCLIMGRID
2020Sep56.1°F56.1°F-0.1°NCLIMGRID
2020Oct39.6°F44.6°F-5.0°NCLIMGRID
2020Nov36.6°F30.1°F+6.6°NCLIMGRID
2020Dec23.0°F15.8°F+7.2°NCLIMGRID
2021Jan19.1°F10.1°F+8.9°NCLIMGRID
2021Feb9.2°F15.1°F-5.9°NCLIMGRID
2021Mar36.3°F27.4°F+8.9°NCLIMGRID
2021Apr44.6°F42.3°F+2.4°NCLIMGRID
2021May54.5°F53.9°F+0.6°NCLIMGRID
2021Jun68.9°F62.7°F+6.2°NCLIMGRID
2021Jul69.3°F67.7°F+1.5°NCLIMGRID
2021Aug68.5°F65.1°F+3.4°NCLIMGRID
2021Sep60.1°F56.1°F+4.0°NCLIMGRID
2021Oct52.8°F44.6°F+8.2°NCLIMGRID
2021Nov32.6°F30.1°F+2.6°NCLIMGRID
2021Dec22.4°F15.8°F+6.6°NCLIMGRID
2022Jan8.3°F10.1°F-1.8°NCLIMGRID
2022Feb13.4°F15.1°F-1.7°NCLIMGRID
2022Mar27.9°F27.4°F+0.5°NCLIMGRID
2022Apr38.4°F42.3°F-3.9°NCLIMGRID
2022May57.5°F53.9°F+3.6°NCLIMGRID
2022Jun65.4°F62.7°F+2.7°NCLIMGRID
2022Jul69.3°F67.7°F+1.5°NCLIMGRID
2022Aug67.4°F65.1°F+2.3°NCLIMGRID
2022Sep59.8°F56.1°F+3.6°NCLIMGRID
2022Oct46.6°F44.6°F+2.0°NCLIMGRID
2022Nov33.9°F30.1°F+3.9°NCLIMGRID
2022Dec18.3°F15.8°F+2.4°NCLIMGRID
2023Jan21.7°F10.1°F+11.6°NCLIMGRID
2023Feb19.9°F15.1°F+4.8°NCLIMGRID
2023Mar27.2°F27.4°F-0.2°NCLIMGRID
2023Apr41.7°F42.3°F-0.5°NCLIMGRID
2023May56.0°F53.9°F+2.1°NCLIMGRID
2023Jun66.5°F62.7°F+3.8°NCLIMGRID
2023Jul67.5°F67.7°F-0.2°NCLIMGRID
2023Aug67.0°F65.1°F+1.9°NCLIMGRID
2023Sep62.2°F56.1°F+6.1°NCLIMGRID
2023Oct48.1°F44.6°F+3.5°NCLIMGRID
2023Nov33.0°F30.1°F+2.9°NCLIMGRID
2023Dec30.9°F15.8°F+15.0°NCLIMGRID
2024Jan20.9°F10.1°F+10.8°NCLIMGRID
2024Feb30.0°F15.1°F+14.9°NCLIMGRID
2024Mar33.7°F27.4°F+6.3°NCLIMGRID
2024Apr44.4°F42.3°F+2.1°NCLIMGRID
2024May57.0°F53.9°F+3.1°NCLIMGRID
2024Jun64.7°F62.7°F+2.0°NCLIMGRID
2024Jul68.1°F67.7°F+0.3°NCLIMGRID
2024Aug67.0°F65.1°F+1.8°NCLIMGRID
2024Sep63.1°F56.1°F+6.9°NCLIMGRID
2024Oct50.6°F44.6°F+6.0°NCLIMGRID
2024Nov37.0°F30.1°F+6.9°NCLIMGRID
2024Dec22.6°F15.8°F+6.8°NCLIMGRID
2025Jan12.6°F10.1°F+2.4°NCLIMGRID
2025Feb14.7°F15.1°F-0.4°NCLIMGRID
2025Mar33.5°F27.4°F+6.1°NCLIMGRID
2025Apr41.7°F42.3°F-0.5°NCLIMGRID
2025May54.8°F53.9°F+0.9°NCLIMGRID
2025Jun65.0°F62.7°F+2.3°NCLIMGRID
2025Jul70.5°F67.7°F+2.8°NCLIMGRID
2025Aug65.5°F65.1°F+0.4°NCLIMGRID
2025Sep61.2°F56.1°F+5.1°NCLIMGRID
2025Oct50.5°F44.6°F+5.9°NCLIMGRID
2025Nov33.5°F30.1°F+3.5°NCLIMGRID
2025Dec15.6°F15.8°F-0.3°NCLIMGRID
2026Jan9.7°F10.1°F-0.4°NCLIMGRID
2026Feb22.3°F15.1°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
January10.1°F26/26
February15.1°F26/26
March27.4°F26/26
April42.3°F26/26
May53.9°F26/26
June62.7°F26/26
July67.7°F26/26
August65.1°F26/26
September56.1°F26/26
October44.6°F26/26
November30.1°F26/26
December15.8°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 Marathon, Wisconsin getting warmer?

Based on 96+ years of NOAA temperature records, Marathon has warmed at a rate of approximately 0.26°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 Marathon?

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

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

How are the climate visualizations for Marathon created?

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

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

Wear Marathon's Climate Story

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

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