Climate Change in Custer, South Dakota

96+ years of recorded temperature data show Custer is changing.

Based on our analysis of 96 years of temperature data near Custer, SD, this area shows relatively stable temperatures of approximately +0.2°F per decade. 9 of the last 10 years recorded above-average temperatures, and 2012 was the warmest year on record at +4.2°F above the historical baseline.

Key Climate Facts

Rate of Change

+0.2°F

per decade

Warmest Year

2012

+4.2°F anomaly

Recent Warm Years

9 / 10

above-average years

Decade Shift

+1.1°F

2020s vs 1930s

Compared to the National Average

Custer is warming at roughly the national average rate.

National: +0.20°F/decade
Custer: +0.16°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 Custer's long-term warming trend.

Temperature anomaly spiral for Custer, South Dakota
Climate spiral: monthly temperature anomalies from 96+ years of NOAA records for Custer, SD.

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 Custer, South Dakota
Warming stripes: each stripe is one year of average temperature anomaly for Custer, SD.

Temperature Trend

Annual temperature anomalies plotted over time with a linear regression trend line. The slope of +0.16°F per decade quantifies the rate of change.

Temperature trend chart for Custer, South Dakota
Linear trend: annual temperature anomalies with trend line for Custer, SD.

Temperature by Decade

1930s
+0.90°F
1940s
-0.02°F
1950s
-0.08°F
1960s
-0.09°F
1970s
-0.68°F
1980s
+0.55°F
1990s
+0.72°F
2000s
+1.34°F
2010s
+1.22°F
2020s
+2.16°F

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

Anomaly Scale

-6.1°F Colder Normal +6.7°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 Custer, SD. 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
1930Jan6.8°F20.2°F-13.3°NCLIMGRID
1930Feb30.5°F24.2°F+6.3°NCLIMGRID
1930Mar26.6°F30.7°F-4.1°NCLIMGRID
1930Apr45.4°F39.1°F+6.2°NCLIMGRID
1930May45.5°F49.0°F-3.4°NCLIMGRID
1930Jun56.8°F59.1°F-2.3°NCLIMGRID
1930Jul69.0°F65.9°F+3.1°NCLIMGRID
1930Aug64.8°F63.6°F+1.3°NCLIMGRID
1930Sep54.0°F53.8°F+0.2°NCLIMGRID
1930Oct39.1°F42.5°F-3.4°NCLIMGRID
1930Nov32.2°F30.0°F+2.3°NCLIMGRID
1930Dec27.1°F22.2°F+4.9°NCLIMGRID
1931Jan27.8°F20.2°F+7.7°NCLIMGRID
1931Feb30.2°F24.2°F+6.0°NCLIMGRID
1931Mar27.5°F30.7°F-3.2°NCLIMGRID
1931Apr39.2°F39.1°F+0.0°NCLIMGRID
1931May47.6°F49.0°F-1.4°NCLIMGRID
1931Jun65.4°F59.1°F+6.3°NCLIMGRID
1931Jul69.0°F65.9°F+3.0°NCLIMGRID
1931Aug64.2°F63.6°F+0.7°NCLIMGRID
1931Sep59.7°F53.8°F+5.9°NCLIMGRID
1931Oct44.9°F42.5°F+2.4°NCLIMGRID
1931Nov29.9°F30.0°F+0.0°NCLIMGRID
1931Dec26.4°F22.2°F+4.2°NCLIMGRID
1932Jan16.4°F20.2°F-3.8°NCLIMGRID
1932Feb24.9°F24.2°F+0.7°NCLIMGRID
1932Mar21.0°F30.7°F-9.7°NCLIMGRID
1932Apr42.0°F39.1°F+2.8°NCLIMGRID
1932May50.9°F49.0°F+1.9°NCLIMGRID
1932Jun59.6°F59.1°F+0.5°NCLIMGRID
1932Jul66.3°F65.9°F+0.4°NCLIMGRID
1932Aug64.3°F63.6°F+0.8°NCLIMGRID
1932Sep53.1°F53.8°F-0.6°NCLIMGRID
1932Oct37.5°F42.5°F-5.0°NCLIMGRID
1932Nov33.3°F30.0°F+3.4°NCLIMGRID
1932Dec16.1°F22.2°F-6.1°NCLIMGRID
1933Jan25.2°F20.2°F+5.0°NCLIMGRID
1933Feb15.2°F24.2°F-9.0°NCLIMGRID
1933Mar32.6°F30.7°F+1.9°NCLIMGRID
1933Apr36.8°F39.1°F-2.4°NCLIMGRID
1933May46.0°F49.0°F-3.0°NCLIMGRID
1933Jun66.2°F59.1°F+7.1°NCLIMGRID
1933Jul70.1°F65.9°F+4.1°NCLIMGRID
1933Aug62.1°F63.6°F-1.5°NCLIMGRID
1933Sep57.0°F53.8°F+3.3°NCLIMGRID
1933Oct45.3°F42.5°F+2.8°NCLIMGRID
1933Nov35.2°F30.0°F+5.3°NCLIMGRID
1933Dec28.3°F22.2°F+6.1°NCLIMGRID
1934Jan29.0°F20.2°F+8.8°NCLIMGRID
1934Feb27.9°F24.2°F+3.7°NCLIMGRID
1934Mar31.2°F30.7°F+0.5°NCLIMGRID
1934Apr41.3°F39.1°F+2.1°NCLIMGRID
1934May59.8°F49.0°F+10.8°NCLIMGRID
1934Jun61.1°F59.1°F+2.0°NCLIMGRID
1934Jul69.8°F65.9°F+3.9°NCLIMGRID
1934Aug63.9°F63.6°F+0.4°NCLIMGRID
1934Sep49.0°F53.8°F-4.8°NCLIMGRID
1934Oct47.6°F42.5°F+5.1°NCLIMGRID
1934Nov35.7°F30.0°F+5.8°NCLIMGRID
1934Dec24.3°F22.2°F+2.2°NCLIMGRID
1935Jan24.7°F20.2°F+4.6°NCLIMGRID
1935Feb29.2°F24.2°F+4.9°NCLIMGRID
1935Mar31.4°F30.7°F+0.7°NCLIMGRID
1935Apr34.1°F39.1°F-5.1°NCLIMGRID
1935May41.8°F49.0°F-7.2°NCLIMGRID
1935Jun55.7°F59.1°F-3.4°NCLIMGRID
1935Jul69.5°F65.9°F+3.6°NCLIMGRID
1935Aug64.8°F63.6°F+1.2°NCLIMGRID
1935Sep54.8°F53.8°F+1.1°NCLIMGRID
1935Oct42.4°F42.5°F-0.1°NCLIMGRID
1935Nov27.0°F30.0°F-3.0°NCLIMGRID
1935Dec25.2°F22.2°F+3.0°NCLIMGRID
1936Jan17.9°F20.2°F-2.3°NCLIMGRID
1936Feb1.7°F24.2°F-22.5°NCLIMGRID
1936Mar29.6°F30.7°F-1.1°NCLIMGRID
1936Apr36.1°F39.1°F-3.1°NCLIMGRID
1936May55.5°F49.0°F+6.6°NCLIMGRID
1936Jun63.8°F59.1°F+4.7°NCLIMGRID
1936Jul74.2°F65.9°F+8.3°NCLIMGRID
1936Aug67.4°F63.6°F+3.8°NCLIMGRID
1936Sep56.6°F53.8°F+2.8°NCLIMGRID
1936Oct42.7°F42.5°F+0.2°NCLIMGRID
1936Nov31.2°F30.0°F+1.2°NCLIMGRID
1936Dec24.5°F22.2°F+2.3°NCLIMGRID
1937Jan4.3°F20.2°F-15.9°NCLIMGRID
1937Feb19.8°F24.2°F-4.4°NCLIMGRID
1937Mar26.6°F30.7°F-4.2°NCLIMGRID
1937Apr37.6°F39.1°F-1.5°NCLIMGRID
1937May51.7°F49.0°F+2.7°NCLIMGRID
1937Jun56.8°F59.1°F-2.3°NCLIMGRID
1937Jul67.2°F65.9°F+1.3°NCLIMGRID
1937Aug70.1°F63.6°F+6.5°NCLIMGRID
1937Sep57.8°F53.8°F+4.0°NCLIMGRID
1937Oct44.4°F42.5°F+1.9°NCLIMGRID
1937Nov29.2°F30.0°F-0.8°NCLIMGRID
1937Dec23.0°F22.2°F+0.8°NCLIMGRID
1938Jan23.8°F20.2°F+3.7°NCLIMGRID
1938Feb24.3°F24.2°F+0.1°NCLIMGRID
1938Mar33.4°F30.7°F+2.7°NCLIMGRID
1938Apr39.1°F39.1°F+0.0°NCLIMGRID
1938May47.1°F49.0°F-1.8°NCLIMGRID
1938Jun60.2°F59.1°F+1.1°NCLIMGRID
1938Jul65.7°F65.9°F-0.2°NCLIMGRID
1938Aug66.8°F63.6°F+3.3°NCLIMGRID
1938Sep58.2°F53.8°F+4.5°NCLIMGRID
1938Oct48.9°F42.5°F+6.4°NCLIMGRID
1938Nov27.2°F30.0°F-2.8°NCLIMGRID
1938Dec24.6°F22.2°F+2.4°NCLIMGRID
1939Jan27.2°F20.2°F+7.1°NCLIMGRID
1939Feb13.6°F24.2°F-10.6°NCLIMGRID
1939Mar31.5°F30.7°F+0.8°NCLIMGRID
1939Apr39.7°F39.1°F+0.5°NCLIMGRID
1939May54.5°F49.0°F+5.5°NCLIMGRID
1939Jun56.8°F59.1°F-2.3°NCLIMGRID
1939Jul70.8°F65.9°F+4.9°NCLIMGRID
1939Aug62.9°F63.6°F-0.7°NCLIMGRID
1939Sep57.1°F53.8°F+3.3°NCLIMGRID
1939Oct43.5°F42.5°F+1.0°NCLIMGRID
1939Nov34.8°F30.0°F+4.9°NCLIMGRID
1939Dec32.0°F22.2°F+9.8°NCLIMGRID
1940Jan12.6°F20.2°F-7.6°NCLIMGRID
1940Feb23.6°F24.2°F-0.7°NCLIMGRID
1940Mar31.1°F30.7°F+0.4°NCLIMGRID
1940Apr36.2°F39.1°F-3.0°NCLIMGRID
1940May51.0°F49.0°F+2.0°NCLIMGRID
1940Jun61.1°F59.1°F+2.0°NCLIMGRID
1940Jul69.5°F65.9°F+3.6°NCLIMGRID
1940Aug65.3°F63.6°F+1.7°NCLIMGRID
1940Sep59.8°F53.8°F+6.0°NCLIMGRID
1940Oct48.3°F42.5°F+5.8°NCLIMGRID
1940Nov27.0°F30.0°F-3.0°NCLIMGRID
1940Dec26.8°F22.2°F+4.6°NCLIMGRID
1941Jan24.3°F20.2°F+4.2°NCLIMGRID
1941Feb26.7°F24.2°F+2.4°NCLIMGRID
1941Mar28.6°F30.7°F-2.2°NCLIMGRID
1941Apr38.6°F39.1°F-0.6°NCLIMGRID
1941May53.6°F49.0°F+4.7°NCLIMGRID
1941Jun57.4°F59.1°F-1.7°NCLIMGRID
1941Jul65.9°F65.9°F-0.1°NCLIMGRID
1941Aug64.6°F63.6°F+1.0°NCLIMGRID
1941Sep51.7°F53.8°F-2.0°NCLIMGRID
1941Oct41.4°F42.5°F-1.1°NCLIMGRID
1941Nov33.5°F30.0°F+3.5°NCLIMGRID
1941Dec26.7°F22.2°F+4.6°NCLIMGRID
1942Jan20.6°F20.2°F+0.4°NCLIMGRID
1942Feb19.5°F24.2°F-4.8°NCLIMGRID
1942Mar28.9°F30.7°F-1.8°NCLIMGRID
1942Apr43.6°F39.1°F+4.4°NCLIMGRID
1942May44.4°F49.0°F-4.6°NCLIMGRID
1942Jun55.0°F59.1°F-4.1°NCLIMGRID
1942Jul65.2°F65.9°F-0.7°NCLIMGRID
1942Aug63.1°F63.6°F-0.5°NCLIMGRID
1942Sep50.8°F53.8°F-2.9°NCLIMGRID
1942Oct43.7°F42.5°F+1.2°NCLIMGRID
1942Nov32.5°F30.0°F+2.5°NCLIMGRID
1942Dec26.3°F22.2°F+4.1°NCLIMGRID
1943Jan18.7°F20.2°F-1.4°NCLIMGRID
1943Feb29.1°F24.2°F+4.9°NCLIMGRID
1943Mar20.7°F30.7°F-10.0°NCLIMGRID
1943Apr44.6°F39.1°F+5.5°NCLIMGRID
1943May45.1°F49.0°F-3.8°NCLIMGRID
1943Jun56.2°F59.1°F-2.9°NCLIMGRID
1943Jul66.7°F65.9°F+0.8°NCLIMGRID
1943Aug67.6°F63.6°F+4.0°NCLIMGRID
1943Sep53.3°F53.8°F-0.4°NCLIMGRID
1943Oct45.6°F42.5°F+3.1°NCLIMGRID
1943Nov32.1°F30.0°F+2.2°NCLIMGRID
1943Dec26.6°F22.2°F+4.5°NCLIMGRID
1944Jan23.0°F20.2°F+2.9°NCLIMGRID
1944Feb20.4°F24.2°F-3.8°NCLIMGRID
1944Mar23.1°F30.7°F-7.6°NCLIMGRID
1944Apr36.6°F39.1°F-2.5°NCLIMGRID
1944May51.2°F49.0°F+2.3°NCLIMGRID
1944Jun55.6°F59.1°F-3.5°NCLIMGRID
1944Jul63.1°F65.9°F-2.8°NCLIMGRID
1944Aug63.2°F63.6°F-0.4°NCLIMGRID
1944Sep52.8°F53.8°F-0.9°NCLIMGRID
1944Oct46.0°F42.5°F+3.5°NCLIMGRID
1944Nov30.9°F30.0°F+0.9°NCLIMGRID
1944Dec21.5°F22.2°F-0.7°NCLIMGRID
1945Jan22.9°F20.2°F+2.7°NCLIMGRID
1945Feb22.4°F24.2°F-1.9°NCLIMGRID
1945Mar30.8°F30.7°F+0.1°NCLIMGRID
1945Apr34.6°F39.1°F-4.6°NCLIMGRID
1945May46.7°F49.0°F-2.3°NCLIMGRID
1945Jun51.2°F59.1°F-7.9°NCLIMGRID
1945Jul65.0°F65.9°F-0.9°NCLIMGRID
1945Aug63.9°F63.6°F+0.4°NCLIMGRID
1945Sep50.3°F53.8°F-3.5°NCLIMGRID
1945Oct45.6°F42.5°F+3.1°NCLIMGRID
1945Nov31.7°F30.0°F+1.7°NCLIMGRID
1945Dec19.8°F22.2°F-2.4°NCLIMGRID
1946Jan24.3°F20.2°F+4.2°NCLIMGRID
1946Feb27.1°F24.2°F+2.9°NCLIMGRID
1946Mar37.2°F30.7°F+6.5°NCLIMGRID
1946Apr46.4°F39.1°F+7.2°NCLIMGRID
1946May44.8°F49.0°F-4.2°NCLIMGRID
1946Jun58.7°F59.1°F-0.4°NCLIMGRID
1946Jul67.1°F65.9°F+1.2°NCLIMGRID
1946Aug61.8°F63.6°F-1.7°NCLIMGRID
1946Sep53.6°F53.8°F-0.2°NCLIMGRID
1946Oct38.2°F42.5°F-4.3°NCLIMGRID
1946Nov30.6°F30.0°F+0.6°NCLIMGRID
1946Dec26.6°F22.2°F+4.4°NCLIMGRID
1947Jan23.3°F20.2°F+3.1°NCLIMGRID
1947Feb19.1°F24.2°F-5.1°NCLIMGRID
1947Mar25.1°F30.7°F-5.6°NCLIMGRID
1947Apr38.3°F39.1°F-0.9°NCLIMGRID
1947May47.7°F49.0°F-1.3°NCLIMGRID
1947Jun54.1°F59.1°F-5.1°NCLIMGRID
1947Jul66.7°F65.9°F+0.7°NCLIMGRID
1947Aug67.6°F63.6°F+4.0°NCLIMGRID
1947Sep55.5°F53.8°F+1.7°NCLIMGRID
1947Oct48.9°F42.5°F+6.4°NCLIMGRID
1947Nov24.3°F30.0°F-5.7°NCLIMGRID
1947Dec26.3°F22.2°F+4.1°NCLIMGRID
1948Jan20.6°F20.2°F+0.4°NCLIMGRID
1948Feb19.0°F24.2°F-5.3°NCLIMGRID
1948Mar24.7°F30.7°F-6.0°NCLIMGRID
1948Apr42.4°F39.1°F+3.3°NCLIMGRID
1948May50.0°F49.0°F+1.0°NCLIMGRID
1948Jun57.8°F59.1°F-1.3°NCLIMGRID
1948Jul64.9°F65.9°F-1.1°NCLIMGRID
1948Aug64.3°F63.6°F+0.7°NCLIMGRID
1948Sep59.2°F53.8°F+5.5°NCLIMGRID
1948Oct43.7°F42.5°F+1.2°NCLIMGRID
1948Nov28.0°F30.0°F-2.0°NCLIMGRID
1948Dec19.4°F22.2°F-2.7°NCLIMGRID
1949Jan7.9°F20.2°F-12.2°NCLIMGRID
1949Feb17.6°F24.2°F-6.7°NCLIMGRID
1949Mar28.8°F30.7°F-1.9°NCLIMGRID
1949Apr43.9°F39.1°F+4.7°NCLIMGRID
1949May51.6°F49.0°F+2.6°NCLIMGRID
1949Jun58.3°F59.1°F-0.8°NCLIMGRID
1949Jul67.3°F65.9°F+1.4°NCLIMGRID
1949Aug65.5°F63.6°F+2.0°NCLIMGRID
1949Sep52.4°F53.8°F-1.4°NCLIMGRID
1949Oct41.7°F42.5°F-0.8°NCLIMGRID
1949Nov39.1°F30.0°F+9.2°NCLIMGRID
1949Dec21.1°F22.2°F-1.1°NCLIMGRID
1950Jan10.9°F20.2°F-9.3°NCLIMGRID
1950Feb28.6°F24.2°F+4.4°NCLIMGRID
1950Mar23.5°F30.7°F-7.3°NCLIMGRID
1950Apr33.9°F39.1°F-5.3°NCLIMGRID
1950May44.4°F49.0°F-4.5°NCLIMGRID
1950Jun57.9°F59.1°F-1.2°NCLIMGRID
1950Jul61.1°F65.9°F-4.9°NCLIMGRID
1950Aug61.1°F63.6°F-2.5°NCLIMGRID
1950Sep52.7°F53.8°F-1.1°NCLIMGRID
1950Oct47.1°F42.5°F+4.6°NCLIMGRID
1950Nov29.2°F30.0°F-0.7°NCLIMGRID
1950Dec25.8°F22.2°F+3.6°NCLIMGRID
1951Jan17.3°F20.2°F-2.9°NCLIMGRID
1951Feb25.8°F24.2°F+1.6°NCLIMGRID
1951Mar23.8°F30.7°F-6.9°NCLIMGRID
1951Apr34.9°F39.1°F-4.2°NCLIMGRID
1951May49.3°F49.0°F+0.3°NCLIMGRID
1951Jun51.7°F59.1°F-7.4°NCLIMGRID
1951Jul63.8°F65.9°F-2.2°NCLIMGRID
1951Aug62.9°F63.6°F-0.7°NCLIMGRID
1951Sep50.0°F53.8°F-3.8°NCLIMGRID
1951Oct42.5°F42.5°F+0.0°NCLIMGRID
1951Nov28.5°F30.0°F-1.5°NCLIMGRID
1951Dec17.7°F22.2°F-4.4°NCLIMGRID
1952Jan21.5°F20.2°F+1.4°NCLIMGRID
1952Feb26.9°F24.2°F+2.7°NCLIMGRID
1952Mar24.9°F30.7°F-5.9°NCLIMGRID
1952Apr43.0°F39.1°F+3.9°NCLIMGRID
1952May50.3°F49.0°F+1.3°NCLIMGRID
1952Jun62.7°F59.1°F+3.6°NCLIMGRID
1952Jul65.0°F65.9°F-0.9°NCLIMGRID
1952Aug63.9°F63.6°F+0.4°NCLIMGRID
1952Sep58.7°F53.8°F+4.9°NCLIMGRID
1952Oct43.8°F42.5°F+1.3°NCLIMGRID
1952Nov26.9°F30.0°F-3.1°NCLIMGRID
1952Dec25.6°F22.2°F+3.4°NCLIMGRID
1953Jan28.9°F20.2°F+8.7°NCLIMGRID
1953Feb23.4°F24.2°F-0.8°NCLIMGRID
1953Mar32.9°F30.7°F+2.2°NCLIMGRID
1953Apr33.0°F39.1°F-6.2°NCLIMGRID
1953May44.3°F49.0°F-4.6°NCLIMGRID
1953Jun62.1°F59.1°F+3.0°NCLIMGRID
1953Jul66.6°F65.9°F+0.7°NCLIMGRID
1953Aug64.3°F63.6°F+0.7°NCLIMGRID
1953Sep55.8°F53.8°F+2.0°NCLIMGRID
1953Oct48.4°F42.5°F+5.9°NCLIMGRID
1953Nov35.1°F30.0°F+5.1°NCLIMGRID
1953Dec24.2°F22.2°F+2.1°NCLIMGRID
1954Jan21.7°F20.2°F+1.6°NCLIMGRID
1954Feb34.9°F24.2°F+10.7°NCLIMGRID
1954Mar24.6°F30.7°F-6.1°NCLIMGRID
1954Apr42.0°F39.1°F+2.9°NCLIMGRID
1954May48.0°F49.0°F-1.0°NCLIMGRID
1954Jun58.3°F59.1°F-0.8°NCLIMGRID
1954Jul70.6°F65.9°F+4.7°NCLIMGRID
1954Aug64.7°F63.6°F+1.2°NCLIMGRID
1954Sep56.6°F53.8°F+2.8°NCLIMGRID
1954Oct41.3°F42.5°F-1.2°NCLIMGRID
1954Nov37.0°F30.0°F+7.0°NCLIMGRID
1954Dec29.1°F22.2°F+6.9°NCLIMGRID
1955Jan20.1°F20.2°F+0.0°NCLIMGRID
1955Feb17.4°F24.2°F-6.8°NCLIMGRID
1955Mar23.9°F30.7°F-6.9°NCLIMGRID
1955Apr43.7°F39.1°F+4.5°NCLIMGRID
1955May51.9°F49.0°F+2.9°NCLIMGRID
1955Jun55.5°F59.1°F-3.6°NCLIMGRID
1955Jul68.1°F65.9°F+2.2°NCLIMGRID
1955Aug66.6°F63.6°F+3.1°NCLIMGRID
1955Sep54.8°F53.8°F+1.1°NCLIMGRID
1955Oct45.7°F42.5°F+3.2°NCLIMGRID
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1984Feb28.9°F24.2°F+4.6°NCLIMGRID
1984Mar29.7°F30.7°F-1.1°NCLIMGRID
1984Apr36.6°F39.1°F-2.6°NCLIMGRID
1984May47.8°F49.0°F-1.2°NCLIMGRID
1984Jun57.8°F59.1°F-1.3°NCLIMGRID
1984Jul65.7°F65.9°F-0.2°NCLIMGRID
1984Aug66.8°F63.6°F+3.3°NCLIMGRID
1984Sep49.6°F53.8°F-4.1°NCLIMGRID
1984Oct40.2°F42.5°F-2.3°NCLIMGRID
1984Nov32.7°F30.0°F+2.7°NCLIMGRID
1984Dec20.6°F22.2°F-1.6°NCLIMGRID
1985Jan17.8°F20.2°F-2.3°NCLIMGRID
1985Feb18.2°F24.2°F-6.0°NCLIMGRID
1985Mar31.3°F30.7°F+0.6°NCLIMGRID
1985Apr44.5°F39.1°F+5.4°NCLIMGRID
1985May53.7°F49.0°F+4.7°NCLIMGRID
1985Jun57.4°F59.1°F-1.7°NCLIMGRID
1985Jul67.4°F65.9°F+1.5°NCLIMGRID
1985Aug62.5°F63.6°F-1.0°NCLIMGRID
1985Sep50.3°F53.8°F-3.5°NCLIMGRID
1985Oct41.6°F42.5°F-0.9°NCLIMGRID
1985Nov15.7°F30.0°F-14.3°NCLIMGRID
1985Dec19.6°F22.2°F-2.6°NCLIMGRID
1986Jan30.4°F20.2°F+10.2°NCLIMGRID
1986Feb23.1°F24.2°F-1.2°NCLIMGRID
1986Mar38.7°F30.7°F+8.0°NCLIMGRID
1986Apr39.0°F39.1°F-0.1°NCLIMGRID
1986May48.5°F49.0°F-0.5°NCLIMGRID
1986Jun62.5°F59.1°F+3.4°NCLIMGRID
1986Jul64.9°F65.9°F-1.0°NCLIMGRID
1986Aug62.8°F63.6°F-0.8°NCLIMGRID
1986Sep50.1°F53.8°F-3.7°NCLIMGRID
1986Oct43.5°F42.5°F+1.0°NCLIMGRID
1986Nov27.6°F30.0°F-2.3°NCLIMGRID
1986Dec27.4°F22.2°F+5.2°NCLIMGRID
1987Jan26.9°F20.2°F+6.7°NCLIMGRID
1987Feb29.6°F24.2°F+5.4°NCLIMGRID
1987Mar30.0°F30.7°F-0.8°NCLIMGRID
1987Apr45.0°F39.1°F+5.8°NCLIMGRID
1987May54.1°F49.0°F+5.1°NCLIMGRID
1987Jun61.1°F59.1°F+2.0°NCLIMGRID
1987Jul67.7°F65.9°F+1.7°NCLIMGRID
1987Aug61.5°F63.6°F-2.0°NCLIMGRID
1987Sep54.7°F53.8°F+0.9°NCLIMGRID
1987Oct42.4°F42.5°F-0.1°NCLIMGRID
1987Nov36.2°F30.0°F+6.2°NCLIMGRID
1987Dec25.4°F22.2°F+3.2°NCLIMGRID
1988Jan19.3°F20.2°F-0.8°NCLIMGRID
1988Feb23.8°F24.2°F-0.5°NCLIMGRID
1988Mar31.8°F30.7°F+1.1°NCLIMGRID
1988Apr42.1°F39.1°F+2.9°NCLIMGRID
1988May53.5°F49.0°F+4.6°NCLIMGRID
1988Jun68.4°F59.1°F+9.3°NCLIMGRID
1988Jul68.0°F65.9°F+2.1°NCLIMGRID
1988Aug65.2°F63.6°F+1.6°NCLIMGRID
1988Sep53.8°F53.8°F+0.0°NCLIMGRID
1988Oct44.9°F42.5°F+2.4°NCLIMGRID
1988Nov30.9°F30.0°F+0.9°NCLIMGRID
1988Dec25.3°F22.2°F+3.2°NCLIMGRID
1989Jan26.6°F20.2°F+6.5°NCLIMGRID
1989Feb11.7°F24.2°F-12.5°NCLIMGRID
1989Mar29.4°F30.7°F-1.3°NCLIMGRID
1989Apr39.8°F39.1°F+0.6°NCLIMGRID
1989May50.3°F49.0°F+1.4°NCLIMGRID
1989Jun57.8°F59.1°F-1.3°NCLIMGRID
1989Jul69.0°F65.9°F+3.1°NCLIMGRID
1989Aug64.7°F63.6°F+1.2°NCLIMGRID
1989Sep53.7°F53.8°F-0.1°NCLIMGRID
1989Oct42.7°F42.5°F+0.2°NCLIMGRID
1989Nov32.1°F30.0°F+2.1°NCLIMGRID
1989Dec19.1°F22.2°F-3.1°NCLIMGRID
1990Jan28.5°F20.2°F+8.4°NCLIMGRID
1990Feb24.7°F24.2°F+0.4°NCLIMGRID
1990Mar31.7°F30.7°F+0.9°NCLIMGRID
1990Apr39.5°F39.1°F+0.4°NCLIMGRID
1990May47.1°F49.0°F-1.9°NCLIMGRID
1990Jun61.4°F59.1°F+2.3°NCLIMGRID
1990Jul64.2°F65.9°F-1.7°NCLIMGRID
1990Aug64.9°F63.6°F+1.3°NCLIMGRID
1990Sep59.7°F53.8°F+6.0°NCLIMGRID
1990Oct42.8°F42.5°F+0.3°NCLIMGRID
1990Nov36.6°F30.0°F+6.6°NCLIMGRID
1990Dec16.5°F22.2°F-5.7°NCLIMGRID
1991Jan18.7°F20.2°F-1.4°NCLIMGRID
1991Feb32.8°F24.2°F+8.5°NCLIMGRID
1991Mar33.9°F30.7°F+3.2°NCLIMGRID
1991Apr39.0°F39.1°F-0.2°NCLIMGRID
1991May50.6°F49.0°F+1.6°NCLIMGRID
1991Jun61.3°F59.1°F+2.2°NCLIMGRID
1991Jul65.8°F65.9°F-0.1°NCLIMGRID
1991Aug65.6°F63.6°F+2.0°NCLIMGRID
1991Sep55.1°F53.8°F+1.3°NCLIMGRID
1991Oct41.3°F42.5°F-1.2°NCLIMGRID
1991Nov26.9°F30.0°F-3.1°NCLIMGRID
1991Dec28.2°F22.2°F+6.0°NCLIMGRID
1992Jan29.3°F20.2°F+9.1°NCLIMGRID
1992Feb33.5°F24.2°F+9.3°NCLIMGRID
1992Mar36.4°F30.7°F+5.7°NCLIMGRID
1992Apr42.4°F39.1°F+3.3°NCLIMGRID
1992May52.4°F49.0°F+3.4°NCLIMGRID
1992Jun57.0°F59.1°F-2.1°NCLIMGRID
1992Jul58.5°F65.9°F-7.5°NCLIMGRID
1992Aug59.6°F63.6°F-3.9°NCLIMGRID
1992Sep55.2°F53.8°F+1.5°NCLIMGRID
1992Oct44.5°F42.5°F+2.0°NCLIMGRID
1992Nov28.0°F30.0°F-2.0°NCLIMGRID
1992Dec18.2°F22.2°F-4.0°NCLIMGRID
1993Jan18.5°F20.2°F-1.7°NCLIMGRID
1993Feb17.8°F24.2°F-6.4°NCLIMGRID
1993Mar32.3°F30.7°F+1.5°NCLIMGRID
1993Apr38.4°F39.1°F-0.7°NCLIMGRID
1993May50.1°F49.0°F+1.1°NCLIMGRID
1993Jun55.0°F59.1°F-4.1°NCLIMGRID
1993Jul59.3°F65.9°F-6.6°NCLIMGRID
1993Aug60.5°F63.6°F-3.1°NCLIMGRID
1993Sep49.2°F53.8°F-4.5°NCLIMGRID
1993Oct41.0°F42.5°F-1.5°NCLIMGRID
1993Nov26.0°F30.0°F-4.0°NCLIMGRID
1993Dec27.1°F22.2°F+5.0°NCLIMGRID
1994Jan23.0°F20.2°F+2.8°NCLIMGRID
1994Feb18.7°F24.2°F-5.6°NCLIMGRID
1994Mar34.2°F30.7°F+3.4°NCLIMGRID
1994Apr40.3°F39.1°F+1.2°NCLIMGRID
1994May54.3°F49.0°F+5.3°NCLIMGRID
1994Jun61.5°F59.1°F+2.4°NCLIMGRID
1994Jul63.9°F65.9°F-2.0°NCLIMGRID
1994Aug65.9°F63.6°F+2.3°NCLIMGRID
1994Sep57.7°F53.8°F+3.9°NCLIMGRID
1994Oct43.2°F42.5°F+0.7°NCLIMGRID
1994Nov30.9°F30.0°F+1.0°NCLIMGRID
1994Dec28.7°F22.2°F+6.5°NCLIMGRID
1995Jan26.4°F20.2°F+6.2°NCLIMGRID
1995Feb26.9°F24.2°F+2.7°NCLIMGRID
1995Mar30.8°F30.7°F+0.1°NCLIMGRID
1995Apr35.0°F39.1°F-4.1°NCLIMGRID
1995May44.5°F49.0°F-4.5°NCLIMGRID
1995Jun56.2°F59.1°F-2.9°NCLIMGRID
1995Jul64.1°F65.9°F-1.8°NCLIMGRID
1995Aug67.3°F63.6°F+3.8°NCLIMGRID
1995Sep53.2°F53.8°F-0.5°NCLIMGRID
1995Oct40.2°F42.5°F-2.3°NCLIMGRID
1995Nov31.7°F30.0°F+1.8°NCLIMGRID
1995Dec25.7°F22.2°F+3.5°NCLIMGRID
1996Jan16.4°F20.2°F-3.7°NCLIMGRID
1996Feb25.4°F24.2°F+1.2°NCLIMGRID
1996Mar25.0°F30.7°F-5.7°NCLIMGRID
1996Apr39.8°F39.1°F+0.6°NCLIMGRID
1996May45.8°F49.0°F-3.1°NCLIMGRID
1996Jun61.0°F59.1°F+1.9°NCLIMGRID
1996Jul64.5°F65.9°F-1.4°NCLIMGRID
1996Aug64.5°F63.6°F+1.0°NCLIMGRID
1996Sep52.0°F53.8°F-1.8°NCLIMGRID
1996Oct42.3°F42.5°F-0.2°NCLIMGRID
1996Nov26.5°F30.0°F-3.4°NCLIMGRID
1996Dec20.4°F22.2°F-1.8°NCLIMGRID
1997Jan19.6°F20.2°F-0.5°NCLIMGRID
1997Feb26.4°F24.2°F+2.1°NCLIMGRID
1997Mar33.8°F30.7°F+3.1°NCLIMGRID
1997Apr33.4°F39.1°F-5.7°NCLIMGRID
1997May47.2°F49.0°F-1.8°NCLIMGRID
1997Jun60.1°F59.1°F+1.0°NCLIMGRID
1997Jul63.9°F65.9°F-2.1°NCLIMGRID
1997Aug61.9°F63.6°F-1.6°NCLIMGRID
1997Sep56.6°F53.8°F+2.9°NCLIMGRID
1997Oct45.0°F42.5°F+2.5°NCLIMGRID
1997Nov29.9°F30.0°F-0.1°NCLIMGRID
1997Dec26.9°F22.2°F+4.7°NCLIMGRID
1998Jan23.8°F20.2°F+3.6°NCLIMGRID
1998Feb30.3°F24.2°F+6.1°NCLIMGRID
1998Mar27.1°F30.7°F-3.6°NCLIMGRID
1998Apr39.7°F39.1°F+0.6°NCLIMGRID
1998May51.0°F49.0°F+2.1°NCLIMGRID
1998Jun52.2°F59.1°F-6.9°NCLIMGRID
1998Jul66.5°F65.9°F+0.5°NCLIMGRID
1998Aug64.4°F63.6°F+0.9°NCLIMGRID
1998Sep60.9°F53.8°F+7.1°NCLIMGRID
1998Oct43.0°F42.5°F+0.5°NCLIMGRID
1998Nov33.6°F30.0°F+3.6°NCLIMGRID
1998Dec23.7°F22.2°F+1.5°NCLIMGRID
1999Jan24.9°F20.2°F+4.8°NCLIMGRID
1999Feb32.6°F24.2°F+8.4°NCLIMGRID
1999Mar34.7°F30.7°F+4.0°NCLIMGRID
1999Apr37.7°F39.1°F-1.4°NCLIMGRID
1999May48.0°F49.0°F-1.0°NCLIMGRID
1999Jun56.9°F59.1°F-2.2°NCLIMGRID
1999Jul66.5°F65.9°F+0.5°NCLIMGRID
1999Aug64.9°F63.6°F+1.3°NCLIMGRID
1999Sep50.7°F53.8°F-3.1°NCLIMGRID
1999Oct45.2°F42.5°F+2.7°NCLIMGRID
1999Nov41.6°F30.0°F+11.6°NCLIMGRID
1999Dec29.2°F22.2°F+7.0°NCLIMGRID
2000Jan25.4°F20.2°F+5.3°NCLIMGRID
2000Feb31.2°F24.2°F+7.0°NCLIMGRID
2000Mar34.9°F30.7°F+4.2°NCLIMGRID
2000Apr39.9°F39.1°F+0.7°NCLIMGRID
2000May51.4°F49.0°F+2.5°NCLIMGRID
2000Jun57.7°F59.1°F-1.4°NCLIMGRID
2000Jul67.4°F65.9°F+1.5°NCLIMGRID
2000Aug68.0°F63.6°F+4.5°NCLIMGRID
2000Sep56.9°F53.8°F+3.1°NCLIMGRID
2000Oct44.3°F42.5°F+1.8°NCLIMGRID
2000Nov22.5°F30.0°F-7.4°NCLIMGRID
2000Dec18.5°F22.2°F-3.7°NCLIMGRID
2001Jan27.1°F20.2°F+7.0°NCLIMGRID
2001Feb18.6°F24.2°F-5.6°NCLIMGRID
2001Mar31.7°F30.7°F+0.9°NCLIMGRID
2001Apr41.4°F39.1°F+2.3°NCLIMGRID
2001May50.4°F49.0°F+1.4°NCLIMGRID
2001Jun58.4°F59.1°F-0.7°NCLIMGRID
2001Jul68.4°F65.9°F+2.5°NCLIMGRID
2001Aug66.9°F63.6°F+3.3°NCLIMGRID
2001Sep57.5°F53.8°F+3.8°NCLIMGRID
2001Oct42.8°F42.5°F+0.3°NCLIMGRID
2001Nov36.6°F30.0°F+6.6°NCLIMGRID
2001Dec24.4°F22.2°F+2.2°NCLIMGRID
2002Jan23.3°F20.2°F+3.1°NCLIMGRID
2002Feb27.5°F24.2°F+3.3°NCLIMGRID
2002Mar21.9°F30.7°F-8.8°NCLIMGRID
2002Apr38.9°F39.1°F-0.2°NCLIMGRID
2002May45.4°F49.0°F-3.6°NCLIMGRID
2002Jun61.9°F59.1°F+2.8°NCLIMGRID
2002Jul70.4°F65.9°F+4.4°NCLIMGRID
2002Aug63.1°F63.6°F-0.4°NCLIMGRID
2002Sep55.4°F53.8°F+1.6°NCLIMGRID
2002Oct35.6°F42.5°F-6.9°NCLIMGRID
2002Nov32.9°F30.0°F+2.9°NCLIMGRID
2002Dec28.8°F22.2°F+6.6°NCLIMGRID
2003Jan26.6°F20.2°F+6.4°NCLIMGRID
2003Feb21.2°F24.2°F-3.1°NCLIMGRID
2003Mar31.9°F30.7°F+1.1°NCLIMGRID
2003Apr42.2°F39.1°F+3.1°NCLIMGRID
2003May49.0°F49.0°F+0.1°NCLIMGRID
2003Jun55.1°F59.1°F-4.0°NCLIMGRID
2003Jul70.1°F65.9°F+4.2°NCLIMGRID
2003Aug68.4°F63.6°F+4.8°NCLIMGRID
2003Sep52.7°F53.8°F-1.1°NCLIMGRID
2003Oct48.3°F42.5°F+5.8°NCLIMGRID
2003Nov25.9°F30.0°F-4.1°NCLIMGRID
2003Dec28.1°F22.2°F+5.9°NCLIMGRID
2004Jan24.3°F20.2°F+4.2°NCLIMGRID
2004Feb26.5°F24.2°F+2.3°NCLIMGRID
2004Mar36.5°F30.7°F+5.8°NCLIMGRID
2004Apr42.7°F39.1°F+3.6°NCLIMGRID
2004May50.4°F49.0°F+1.4°NCLIMGRID
2004Jun55.2°F59.1°F-3.9°NCLIMGRID
2004Jul64.8°F65.9°F-1.1°NCLIMGRID
2004Aug60.8°F63.6°F-2.8°NCLIMGRID
2004Sep56.0°F53.8°F+2.2°NCLIMGRID
2004Oct44.6°F42.5°F+2.1°NCLIMGRID
2004Nov33.5°F30.0°F+3.5°NCLIMGRID
2004Dec28.6°F22.2°F+6.5°NCLIMGRID
2005Jan24.6°F20.2°F+4.5°NCLIMGRID
2005Feb30.0°F24.2°F+5.7°NCLIMGRID
2005Mar33.8°F30.7°F+3.1°NCLIMGRID
2005Apr41.5°F39.1°F+2.4°NCLIMGRID
2005May47.0°F49.0°F-2.0°NCLIMGRID
2005Jun60.0°F59.1°F+0.9°NCLIMGRID
2005Jul68.1°F65.9°F+2.2°NCLIMGRID
2005Aug63.4°F63.6°F-0.1°NCLIMGRID
2005Sep58.7°F53.8°F+4.9°NCLIMGRID
2005Oct44.6°F42.5°F+2.1°NCLIMGRID
2005Nov36.0°F30.0°F+6.0°NCLIMGRID
2005Dec23.2°F22.2°F+1.0°NCLIMGRID
2006Jan31.7°F20.2°F+11.5°NCLIMGRID
2006Feb22.3°F24.2°F-2.0°NCLIMGRID
2006Mar30.3°F30.7°F-0.4°NCLIMGRID
2006Apr44.7°F39.1°F+5.5°NCLIMGRID
2006May51.2°F49.0°F+2.2°NCLIMGRID
2006Jun63.0°F59.1°F+3.9°NCLIMGRID
2006Jul71.0°F65.9°F+5.0°NCLIMGRID
2006Aug65.4°F63.6°F+1.8°NCLIMGRID
2006Sep50.7°F53.8°F-3.0°NCLIMGRID
2006Oct40.4°F42.5°F-2.1°NCLIMGRID
2006Nov32.5°F30.0°F+2.6°NCLIMGRID
2006Dec27.1°F22.2°F+4.9°NCLIMGRID
2007Jan21.0°F20.2°F+0.9°NCLIMGRID
2007Feb20.9°F24.2°F-3.4°NCLIMGRID
2007Mar39.3°F30.7°F+8.6°NCLIMGRID
2007Apr37.4°F39.1°F-1.8°NCLIMGRID
2007May53.0°F49.0°F+4.0°NCLIMGRID
2007Jun62.3°F59.1°F+3.2°NCLIMGRID
2007Jul70.7°F65.9°F+4.8°NCLIMGRID
2007Aug66.5°F63.6°F+2.9°NCLIMGRID
2007Sep56.9°F53.8°F+3.1°NCLIMGRID
2007Oct45.2°F42.5°F+2.7°NCLIMGRID
2007Nov33.3°F30.0°F+3.3°NCLIMGRID
2007Dec20.8°F22.2°F-1.4°NCLIMGRID
2008Jan19.7°F20.2°F-0.5°NCLIMGRID
2008Feb24.2°F24.2°F+0.0°NCLIMGRID
2008Mar30.0°F30.7°F-0.7°NCLIMGRID
2008Apr37.2°F39.1°F-1.9°NCLIMGRID
2008May46.2°F49.0°F-2.8°NCLIMGRID
2008Jun56.2°F59.1°F-2.9°NCLIMGRID
2008Jul65.9°F65.9°F+0.0°NCLIMGRID
2008Aug63.9°F63.6°F+0.3°NCLIMGRID
2008Sep53.0°F53.8°F-0.8°NCLIMGRID
2008Oct42.7°F42.5°F+0.2°NCLIMGRID
2008Nov34.9°F30.0°F+4.9°NCLIMGRID
2008Dec17.7°F22.2°F-4.5°NCLIMGRID
2009Jan24.0°F20.2°F+3.8°NCLIMGRID
2009Feb27.2°F24.2°F+3.0°NCLIMGRID
2009Mar32.3°F30.7°F+1.5°NCLIMGRID
2009Apr36.8°F39.1°F-2.4°NCLIMGRID
2009May49.3°F49.0°F+0.3°NCLIMGRID
2009Jun55.3°F59.1°F-3.8°NCLIMGRID
2009Jul62.1°F65.9°F-3.9°NCLIMGRID
2009Aug61.8°F63.6°F-1.8°NCLIMGRID
2009Sep57.0°F53.8°F+3.2°NCLIMGRID
2009Oct33.8°F42.5°F-8.7°NCLIMGRID
2009Nov37.5°F30.0°F+7.5°NCLIMGRID
2009Dec15.8°F22.2°F-6.4°NCLIMGRID
2010Jan24.4°F20.2°F+4.2°NCLIMGRID
2010Feb20.1°F24.2°F-4.1°NCLIMGRID
2010Mar36.0°F30.7°F+5.3°NCLIMGRID
2010Apr39.9°F39.1°F+0.8°NCLIMGRID
2010May45.1°F49.0°F-3.8°NCLIMGRID
2010Jun57.7°F59.1°F-1.4°NCLIMGRID
2010Jul64.4°F65.9°F-1.5°NCLIMGRID
2010Aug66.3°F63.6°F+2.7°NCLIMGRID
2010Sep55.7°F53.8°F+2.0°NCLIMGRID
2010Oct47.8°F42.5°F+5.3°NCLIMGRID
2010Nov29.2°F30.0°F-0.7°NCLIMGRID
2010Dec24.5°F22.2°F+2.3°NCLIMGRID
2011Jan20.6°F20.2°F+0.5°NCLIMGRID
2011Feb18.3°F24.2°F-6.0°NCLIMGRID
2011Mar30.9°F30.7°F+0.2°NCLIMGRID
2011Apr37.5°F39.1°F-1.7°NCLIMGRID
2011May44.2°F49.0°F-4.8°NCLIMGRID
2011Jun58.2°F59.1°F-0.9°NCLIMGRID
2011Jul69.0°F65.9°F+3.1°NCLIMGRID
2011Aug66.7°F63.6°F+3.1°NCLIMGRID
2011Sep55.7°F53.8°F+2.0°NCLIMGRID
2011Oct45.4°F42.5°F+2.9°NCLIMGRID
2011Nov31.2°F30.0°F+1.2°NCLIMGRID
2011Dec25.6°F22.2°F+3.5°NCLIMGRID
2012Jan26.0°F20.2°F+5.8°NCLIMGRID
2012Feb23.7°F24.2°F-0.5°NCLIMGRID
2012Mar43.3°F30.7°F+12.6°NCLIMGRID
2012Apr44.7°F39.1°F+5.5°NCLIMGRID
2012May50.9°F49.0°F+1.9°NCLIMGRID
2012Jun64.4°F59.1°F+5.3°NCLIMGRID
2012Jul71.2°F65.9°F+5.3°NCLIMGRID
2012Aug66.3°F63.6°F+2.7°NCLIMGRID
2012Sep58.7°F53.8°F+4.9°NCLIMGRID
2012Oct41.1°F42.5°F-1.4°NCLIMGRID
2012Nov35.5°F30.0°F+5.5°NCLIMGRID
2012Dec24.7°F22.2°F+2.5°NCLIMGRID
2013Jan23.7°F20.2°F+3.5°NCLIMGRID
2013Feb25.3°F24.2°F+1.1°NCLIMGRID
2013Mar30.1°F30.7°F-0.6°NCLIMGRID
2013Apr32.7°F39.1°F-6.5°NCLIMGRID
2013May49.9°F49.0°F+1.0°NCLIMGRID
2013Jun58.9°F59.1°F-0.2°NCLIMGRID
2013Jul65.5°F65.9°F-0.5°NCLIMGRID
2013Aug65.6°F63.6°F+2.0°NCLIMGRID
2013Sep59.1°F53.8°F+5.3°NCLIMGRID
2013Oct39.0°F42.5°F-3.5°NCLIMGRID
2013Nov32.1°F30.0°F+2.1°NCLIMGRID
2013Dec18.5°F22.2°F-3.7°NCLIMGRID
2014Jan24.0°F20.2°F+3.8°NCLIMGRID
2014Feb16.9°F24.2°F-7.3°NCLIMGRID
2014Mar30.1°F30.7°F-0.7°NCLIMGRID
2014Apr39.1°F39.1°F+0.0°NCLIMGRID
2014May49.1°F49.0°F+0.1°NCLIMGRID
2014Jun55.8°F59.1°F-3.3°NCLIMGRID
2014Jul64.1°F65.9°F-1.9°NCLIMGRID
2014Aug63.4°F63.6°F-0.2°NCLIMGRID
2014Sep55.1°F53.8°F+1.3°NCLIMGRID
2014Oct46.8°F42.5°F+4.3°NCLIMGRID
2014Nov26.4°F30.0°F-3.6°NCLIMGRID
2014Dec27.2°F22.2°F+5.0°NCLIMGRID
2015Jan27.4°F20.2°F+7.2°NCLIMGRID
2015Feb26.2°F24.2°F+1.9°NCLIMGRID
2015Mar38.3°F30.7°F+7.6°NCLIMGRID
2015Apr41.2°F39.1°F+2.0°NCLIMGRID
2015May45.3°F49.0°F-3.7°NCLIMGRID
2015Jun61.2°F59.1°F+2.1°NCLIMGRID
2015Jul64.3°F65.9°F-1.6°NCLIMGRID
2015Aug64.4°F63.6°F+0.8°NCLIMGRID
2015Sep60.5°F53.8°F+6.7°NCLIMGRID
2015Oct47.2°F42.5°F+4.7°NCLIMGRID
2015Nov32.3°F30.0°F+2.3°NCLIMGRID
2015Dec25.4°F22.2°F+3.3°NCLIMGRID
2016Jan27.3°F20.2°F+7.2°NCLIMGRID
2016Feb31.9°F24.2°F+7.7°NCLIMGRID
2016Mar37.0°F30.7°F+6.2°NCLIMGRID
2016Apr41.9°F39.1°F+2.8°NCLIMGRID
2016May48.3°F49.0°F-0.7°NCLIMGRID
2016Jun65.7°F59.1°F+6.6°NCLIMGRID
2016Jul66.6°F65.9°F+0.7°NCLIMGRID
2016Aug63.2°F63.6°F-0.4°NCLIMGRID
2016Sep55.8°F53.8°F+2.0°NCLIMGRID
2016Oct48.2°F42.5°F+5.7°NCLIMGRID
2016Nov40.6°F30.0°F+10.7°NCLIMGRID
2016Dec16.5°F22.2°F-5.7°NCLIMGRID
2017Jan21.0°F20.2°F+0.8°NCLIMGRID
2017Feb29.5°F24.2°F+5.3°NCLIMGRID
2017Mar37.3°F30.7°F+6.5°NCLIMGRID
2017Apr40.5°F39.1°F+1.4°NCLIMGRID
2017May49.0°F49.0°F+0.0°NCLIMGRID
2017Jun60.4°F59.1°F+1.3°NCLIMGRID
2017Jul69.4°F65.9°F+3.5°NCLIMGRID
2017Aug62.3°F63.6°F-1.2°NCLIMGRID
2017Sep55.9°F53.8°F+2.1°NCLIMGRID
2017Oct42.1°F42.5°F-0.4°NCLIMGRID
2017Nov35.1°F30.0°F+5.2°NCLIMGRID
2017Dec22.4°F22.2°F+0.2°NCLIMGRID
2018Jan25.0°F20.2°F+4.8°NCLIMGRID
2018Feb15.7°F24.2°F-8.6°NCLIMGRID
2018Mar31.4°F30.7°F+0.6°NCLIMGRID
2018Apr36.2°F39.1°F-2.9°NCLIMGRID
2018May54.1°F49.0°F+5.1°NCLIMGRID
2018Jun61.2°F59.1°F+2.1°NCLIMGRID
2018Jul65.0°F65.9°F-0.9°NCLIMGRID
2018Aug62.3°F63.6°F-1.2°NCLIMGRID
2018Sep56.3°F53.8°F+2.5°NCLIMGRID
2018Oct39.8°F42.5°F-2.7°NCLIMGRID
2018Nov29.5°F30.0°F-0.4°NCLIMGRID
2018Dec25.0°F22.2°F+2.8°NCLIMGRID
2019Jan25.7°F20.2°F+5.5°NCLIMGRID
2019Feb12.3°F24.2°F-12.0°NCLIMGRID
2019Mar26.3°F30.7°F-4.4°NCLIMGRID
2019Apr39.7°F39.1°F+0.5°NCLIMGRID
2019May42.7°F49.0°F-6.3°NCLIMGRID
2019Jun57.9°F59.1°F-1.2°NCLIMGRID
2019Jul65.1°F65.9°F-0.8°NCLIMGRID
2019Aug63.0°F63.6°F-0.6°NCLIMGRID
2019Sep57.1°F53.8°F+3.3°NCLIMGRID
2019Oct34.3°F42.5°F-8.2°NCLIMGRID
2019Nov29.8°F30.0°F-0.1°NCLIMGRID
2019Dec29.0°F22.2°F+6.8°NCLIMGRID
2020Jan26.3°F20.2°F+6.1°NCLIMGRID
2020Feb23.4°F24.2°F-0.9°NCLIMGRID
2020Mar33.5°F30.7°F+2.8°NCLIMGRID
2020Apr36.7°F39.1°F-2.4°NCLIMGRID
2020May48.0°F49.0°F-1.0°NCLIMGRID
2020Jun62.6°F59.1°F+3.5°NCLIMGRID
2020Jul66.7°F65.9°F+0.8°NCLIMGRID
2020Aug67.3°F63.6°F+3.8°NCLIMGRID
2020Sep55.5°F53.8°F+1.7°NCLIMGRID
2020Oct38.3°F42.5°F-4.2°NCLIMGRID
2020Nov37.1°F30.0°F+7.1°NCLIMGRID
2020Dec29.4°F22.2°F+7.2°NCLIMGRID
2021Jan26.5°F20.2°F+6.4°NCLIMGRID
2021Feb13.2°F24.2°F-11.1°NCLIMGRID
2021Mar33.5°F30.7°F+2.8°NCLIMGRID
2021Apr37.1°F39.1°F-2.1°NCLIMGRID
2021May46.9°F49.0°F-2.1°NCLIMGRID
2021Jun64.3°F59.1°F+5.2°NCLIMGRID
2021Jul68.7°F65.9°F+2.8°NCLIMGRID
2021Aug64.8°F63.6°F+1.3°NCLIMGRID
2021Sep59.1°F53.8°F+5.3°NCLIMGRID
2021Oct45.4°F42.5°F+2.9°NCLIMGRID
2021Nov36.6°F30.0°F+6.7°NCLIMGRID
2021Dec26.3°F22.2°F+4.1°NCLIMGRID
2022Jan24.7°F20.2°F+4.5°NCLIMGRID
2022Feb21.5°F24.2°F-2.7°NCLIMGRID
2022Mar32.2°F30.7°F+1.5°NCLIMGRID
2022Apr34.9°F39.1°F-4.2°NCLIMGRID
2022May47.4°F49.0°F-1.5°NCLIMGRID
2022Jun59.1°F59.1°F+0.0°NCLIMGRID
2022Jul68.6°F65.9°F+2.7°NCLIMGRID
2022Aug67.6°F63.6°F+4.0°NCLIMGRID
2022Sep60.4°F53.8°F+6.7°NCLIMGRID
2022Oct45.6°F42.5°F+3.1°NCLIMGRID
2022Nov27.1°F30.0°F-2.9°NCLIMGRID
2022Dec20.6°F22.2°F-1.6°NCLIMGRID
2023Jan24.2°F20.2°F+4.0°NCLIMGRID
2023Feb24.9°F24.2°F+0.7°NCLIMGRID
2023Mar24.6°F30.7°F-6.2°NCLIMGRID
2023Apr36.7°F39.1°F-2.4°NCLIMGRID
2023May53.4°F49.0°F+4.5°NCLIMGRID
2023Jun58.6°F59.1°F-0.5°NCLIMGRID
2023Jul64.5°F65.9°F-1.5°NCLIMGRID
2023Aug65.0°F63.6°F+1.5°NCLIMGRID
2023Sep58.8°F53.8°F+5.0°NCLIMGRID
2023Oct42.3°F42.5°F-0.2°NCLIMGRID
2023Nov35.6°F30.0°F+5.6°NCLIMGRID
2023Dec31.5°F22.2°F+9.4°NCLIMGRID
2024Jan21.1°F20.2°F+0.9°NCLIMGRID
2024Feb31.3°F24.2°F+7.0°NCLIMGRID
2024Mar33.0°F30.7°F+2.3°NCLIMGRID
2024Apr40.6°F39.1°F+1.4°NCLIMGRID
2024May47.2°F49.0°F-1.8°NCLIMGRID
2024Jun60.5°F59.1°F+1.4°NCLIMGRID
2024Jul66.9°F65.9°F+1.0°NCLIMGRID
2024Aug66.5°F63.6°F+2.9°NCLIMGRID
2024Sep62.8°F53.8°F+9.1°NCLIMGRID
2024Oct49.2°F42.5°F+6.7°NCLIMGRID
2024Nov32.5°F30.0°F+2.6°NCLIMGRID
2024Dec31.6°F22.2°F+9.4°NCLIMGRID
2025Jan18.8°F20.2°F-1.4°NCLIMGRID
2025Feb17.3°F24.2°F-6.9°NCLIMGRID
2025Mar36.7°F30.7°F+6.0°NCLIMGRID
2025Apr39.7°F39.1°F+0.5°NCLIMGRID
2025May50.3°F49.0°F+1.4°NCLIMGRID
2025Jun60.0°F59.1°F+0.9°NCLIMGRID
2025Jul66.0°F65.9°F+0.1°NCLIMGRID
2025Aug64.8°F63.6°F+1.2°NCLIMGRID
2025Sep58.4°F53.8°F+4.6°NCLIMGRID
2025Oct45.7°F42.5°F+3.2°NCLIMGRID
2025Nov36.6°F30.0°F+6.6°NCLIMGRID
2025Dec30.8°F22.2°F+8.6°NCLIMGRID
2026Jan27.0°F20.2°F+6.8°NCLIMGRID
2026Feb33.6°F24.2°F+9.4°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
January20.2°F26/26
February24.2°F26/26
March30.7°F26/26
April39.1°F26/26
May49.0°F26/26
June59.1°F26/26
July65.9°F26/26
August63.6°F26/26
September53.8°F26/26
October42.5°F26/26
November30.0°F26/26
December22.2°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 Custer, South Dakota getting warmer?

Based on 96+ years of NOAA temperature records, Custer has changed at a rate of approximately 0.16°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 Custer?

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

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

How are the climate visualizations for Custer created?

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

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

Wear Custer's Climate Story

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

Shop Custer Climate Apparel →

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