Climate Change in Delmont, South Dakota

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

Based on our analysis of 96 years of temperature data near Delmont, SD, this area shows relatively stable temperatures of approximately +0.1°F per decade. 8 of the last 10 years recorded above-average temperatures, and 2012 was the warmest year on record at +5.2°F above the historical baseline.

Key Climate Facts

Rate of Change

+0.1°F

per decade

Warmest Year

2012

+5.2°F anomaly

Recent Warm Years

8 / 10

above-average years

Decade Shift

+0.2°F

2020s vs 1930s

Compared to the National Average

Delmont is warming 0.1°F/decade slower than the national average.

National: +0.20°F/decade
Delmont: +0.07°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 Delmont's long-term warming trend.

Temperature anomaly spiral for Delmont, South Dakota
Climate spiral: monthly temperature anomalies from 96+ years of NOAA records for Delmont, 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 Delmont, South Dakota
Warming stripes: each stripe is one year of average temperature anomaly for Delmont, SD.

Temperature Trend

Annual temperature anomalies plotted over time with a linear regression trend line. The slope of +0.07°F per decade quantifies the rate of change.

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

Temperature by Decade

1930s
+1.47°F
1940s
+0.15°F
1950s
-0.53°F
1960s
-0.56°F
1970s
-0.49°F
1980s
+0.43°F
1990s
+0.15°F
2000s
+0.97°F
2010s
+0.66°F
2020s
+1.86°F

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

Anomaly Scale

-7.0°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 Delmont, SD. Filter by decade or download as CSV.

Data Sources & Audit

Station
nClimGrid 5km Grid Point
Distance
1.2 mi
Coverage
99.1%
Records
1,154
Range
1930-01 – 2026-02
Full Data Audit 1,154 records
YearMonthTempBaselineAnomalySourceGap
1930Jan6.8°F16.2°F-9.4°NCLIMGRID
1930Feb35.3°F22.7°F+12.6°NCLIMGRID
1930Mar34.1°F34.6°F-0.5°NCLIMGRID
1930Apr50.9°F48.3°F+2.7°NCLIMGRID
1930May56.6°F59.4°F-2.8°NCLIMGRID
1930Jun67.3°F69.6°F-2.3°NCLIMGRID
1930Jul80.2°F75.5°F+4.8°NCLIMGRID
1930Aug75.2°F72.8°F+2.3°NCLIMGRID
1930Sep64.1°F62.8°F+1.3°NCLIMGRID
1930Oct47.9°F49.3°F-1.4°NCLIMGRID
1930Nov36.8°F33.4°F+3.4°NCLIMGRID
1930Dec26.5°F20.5°F+6.1°NCLIMGRID
1931Jan28.9°F16.2°F+12.7°NCLIMGRID
1931Feb33.7°F22.7°F+11.0°NCLIMGRID
1931Mar32.6°F34.6°F-2.0°NCLIMGRID
1931Apr50.3°F48.3°F+2.1°NCLIMGRID
1931May57.8°F59.4°F-1.6°NCLIMGRID
1931Jun78.5°F69.6°F+8.9°NCLIMGRID
1931Jul78.7°F75.5°F+3.2°NCLIMGRID
1931Aug74.4°F72.8°F+1.5°NCLIMGRID
1931Sep70.0°F62.8°F+7.1°NCLIMGRID
1931Oct54.1°F49.3°F+4.8°NCLIMGRID
1931Nov35.2°F33.4°F+1.9°NCLIMGRID
1931Dec24.7°F20.5°F+4.2°NCLIMGRID
1932Jan13.2°F16.2°F-3.0°NCLIMGRID
1932Feb21.9°F22.7°F-0.8°NCLIMGRID
1932Mar26.0°F34.6°F-8.6°NCLIMGRID
1932Apr50.6°F48.3°F+2.3°NCLIMGRID
1932May62.2°F59.4°F+2.8°NCLIMGRID
1932Jun71.4°F69.6°F+1.8°NCLIMGRID
1932Jul77.6°F75.5°F+2.1°NCLIMGRID
1932Aug74.4°F72.8°F+1.5°NCLIMGRID
1932Sep63.0°F62.8°F+0.2°NCLIMGRID
1932Oct47.6°F49.3°F-1.6°NCLIMGRID
1932Nov34.4°F33.4°F+1.1°NCLIMGRID
1932Dec18.4°F20.5°F-2.1°NCLIMGRID
1933Jan29.3°F16.2°F+13.1°NCLIMGRID
1933Feb17.0°F22.7°F-5.7°NCLIMGRID
1933Mar35.7°F34.6°F+1.1°NCLIMGRID
1933Apr48.1°F48.3°F-0.1°NCLIMGRID
1933May57.5°F59.4°F-2.0°NCLIMGRID
1933Jun79.2°F69.6°F+9.6°NCLIMGRID
1933Jul77.8°F75.5°F+2.3°NCLIMGRID
1933Aug70.5°F72.8°F-2.4°NCLIMGRID
1933Sep69.4°F62.8°F+6.6°NCLIMGRID
1933Oct50.9°F49.3°F+1.6°NCLIMGRID
1933Nov36.5°F33.4°F+3.2°NCLIMGRID
1933Dec22.8°F20.5°F+2.3°NCLIMGRID
1934Jan24.5°F16.2°F+8.3°NCLIMGRID
1934Feb26.9°F22.7°F+4.2°NCLIMGRID
1934Mar33.0°F34.6°F-1.6°NCLIMGRID
1934Apr49.9°F48.3°F+1.6°NCLIMGRID
1934May71.3°F59.4°F+11.9°NCLIMGRID
1934Jun73.8°F69.6°F+4.1°NCLIMGRID
1934Jul80.3°F75.5°F+4.9°NCLIMGRID
1934Aug73.8°F72.8°F+1.0°NCLIMGRID
1934Sep58.9°F62.8°F-4.0°NCLIMGRID
1934Oct55.0°F49.3°F+5.7°NCLIMGRID
1934Nov38.9°F33.4°F+5.5°NCLIMGRID
1934Dec22.2°F20.5°F+1.7°NCLIMGRID
1935Jan17.6°F16.2°F+1.4°NCLIMGRID
1935Feb31.3°F22.7°F+8.6°NCLIMGRID
1935Mar38.6°F34.6°F+4.0°NCLIMGRID
1935Apr44.1°F48.3°F-4.2°NCLIMGRID
1935May52.7°F59.4°F-6.8°NCLIMGRID
1935Jun65.6°F69.6°F-4.0°NCLIMGRID
1935Jul82.2°F75.5°F+6.7°NCLIMGRID
1935Aug75.1°F72.8°F+2.3°NCLIMGRID
1935Sep64.3°F62.8°F+1.5°NCLIMGRID
1935Oct48.1°F49.3°F-1.2°NCLIMGRID
1935Nov29.5°F33.4°F-3.9°NCLIMGRID
1935Dec20.5°F20.5°F+0.0°NCLIMGRID
1936Jan3.4°F16.2°F-12.8°NCLIMGRID
1936Feb-2.6°F22.7°F-25.3°NCLIMGRID
1936Mar35.2°F34.6°F+0.6°NCLIMGRID
1936Apr43.5°F48.3°F-4.8°NCLIMGRID
1936May64.2°F59.4°F+4.8°NCLIMGRID
1936Jun71.1°F69.6°F+1.4°NCLIMGRID
1936Jul85.0°F75.5°F+9.5°NCLIMGRID
1936Aug79.5°F72.8°F+6.7°NCLIMGRID
1936Sep67.7°F62.8°F+4.9°NCLIMGRID
1936Oct47.9°F49.3°F-1.4°NCLIMGRID
1936Nov32.8°F33.4°F-0.6°NCLIMGRID
1936Dec23.0°F20.5°F+2.5°NCLIMGRID
1937Jan1.6°F16.2°F-14.5°NCLIMGRID
1937Feb16.8°F22.7°F-5.8°NCLIMGRID
1937Mar31.8°F34.6°F-2.8°NCLIMGRID
1937Apr45.0°F48.3°F-3.3°NCLIMGRID
1937May61.3°F59.4°F+1.8°NCLIMGRID
1937Jun67.8°F69.6°F-1.8°NCLIMGRID
1937Jul78.3°F75.5°F+2.9°NCLIMGRID
1937Aug79.8°F72.8°F+6.9°NCLIMGRID
1937Sep65.7°F62.8°F+2.9°NCLIMGRID
1937Oct49.0°F49.3°F-0.3°NCLIMGRID
1937Nov31.9°F33.4°F-1.4°NCLIMGRID
1937Dec20.2°F20.5°F-0.3°NCLIMGRID
1938Jan18.4°F16.2°F+2.2°NCLIMGRID
1938Feb18.8°F22.7°F-3.9°NCLIMGRID
1938Mar39.4°F34.6°F+4.8°NCLIMGRID
1938Apr49.1°F48.3°F+0.8°NCLIMGRID
1938May57.0°F59.4°F-2.4°NCLIMGRID
1938Jun70.9°F69.6°F+1.3°NCLIMGRID
1938Jul77.4°F75.5°F+1.9°NCLIMGRID
1938Aug78.6°F72.8°F+5.7°NCLIMGRID
1938Sep66.7°F62.8°F+3.9°NCLIMGRID
1938Oct57.7°F49.3°F+8.4°NCLIMGRID
1938Nov31.7°F33.4°F-1.6°NCLIMGRID
1938Dec25.7°F20.5°F+5.3°NCLIMGRID
1939Jan26.4°F16.2°F+10.2°NCLIMGRID
1939Feb13.0°F22.7°F-9.7°NCLIMGRID
1939Mar35.7°F34.6°F+1.1°NCLIMGRID
1939Apr47.5°F48.3°F-0.8°NCLIMGRID
1939May66.8°F59.4°F+7.3°NCLIMGRID
1939Jun70.5°F69.6°F+0.9°NCLIMGRID
1939Jul78.9°F75.5°F+3.4°NCLIMGRID
1939Aug73.0°F72.8°F+0.2°NCLIMGRID
1939Sep68.8°F62.8°F+6.0°NCLIMGRID
1939Oct50.5°F49.3°F+1.2°NCLIMGRID
1939Nov39.1°F33.4°F+5.8°NCLIMGRID
1939Dec30.9°F20.5°F+10.5°NCLIMGRID
1940Jan5.2°F16.2°F-11.0°NCLIMGRID
1940Feb21.7°F22.7°F-0.9°NCLIMGRID
1940Mar30.0°F34.6°F-4.6°NCLIMGRID
1940Apr46.0°F48.3°F-2.3°NCLIMGRID
1940May58.6°F59.4°F-0.8°NCLIMGRID
1940Jun70.0°F69.6°F+0.4°NCLIMGRID
1940Jul79.5°F75.5°F+4.1°NCLIMGRID
1940Aug71.3°F72.8°F-1.5°NCLIMGRID
1940Sep68.7°F62.8°F+5.9°NCLIMGRID
1940Oct56.6°F49.3°F+7.3°NCLIMGRID
1940Nov27.8°F33.4°F-5.5°NCLIMGRID
1940Dec25.0°F20.5°F+4.5°NCLIMGRID
1941Jan19.0°F16.2°F+2.8°NCLIMGRID
1941Feb20.0°F22.7°F-2.7°NCLIMGRID
1941Mar30.7°F34.6°F-3.9°NCLIMGRID
1941Apr50.1°F48.3°F+1.9°NCLIMGRID
1941May64.6°F59.4°F+5.2°NCLIMGRID
1941Jun68.9°F69.6°F-0.7°NCLIMGRID
1941Jul76.9°F75.5°F+1.5°NCLIMGRID
1941Aug75.6°F72.8°F+2.7°NCLIMGRID
1941Sep64.2°F62.8°F+1.4°NCLIMGRID
1941Oct50.5°F49.3°F+1.2°NCLIMGRID
1941Nov37.2°F33.4°F+3.8°NCLIMGRID
1941Dec28.2°F20.5°F+7.8°NCLIMGRID
1942Jan22.8°F16.2°F+6.7°NCLIMGRID
1942Feb21.0°F22.7°F-1.7°NCLIMGRID
1942Mar34.3°F34.6°F-0.4°NCLIMGRID
1942Apr52.5°F48.3°F+4.2°NCLIMGRID
1942May55.5°F59.4°F-4.0°NCLIMGRID
1942Jun68.0°F69.6°F-1.6°NCLIMGRID
1942Jul74.8°F75.5°F-0.7°NCLIMGRID
1942Aug73.7°F72.8°F+0.8°NCLIMGRID
1942Sep58.1°F62.8°F-4.7°NCLIMGRID
1942Oct49.9°F49.3°F+0.6°NCLIMGRID
1942Nov35.9°F33.4°F+2.6°NCLIMGRID
1942Dec20.2°F20.5°F-0.3°NCLIMGRID
1943Jan11.3°F16.2°F-4.8°NCLIMGRID
1943Feb27.7°F22.7°F+5.0°NCLIMGRID
1943Mar27.0°F34.6°F-7.6°NCLIMGRID
1943Apr50.5°F48.3°F+2.2°NCLIMGRID
1943May56.0°F59.4°F-3.4°NCLIMGRID
1943Jun69.1°F69.6°F-0.5°NCLIMGRID
1943Jul77.8°F75.5°F+2.3°NCLIMGRID
1943Aug75.9°F72.8°F+3.0°NCLIMGRID
1943Sep61.7°F62.8°F-1.1°NCLIMGRID
1943Oct51.3°F49.3°F+2.0°NCLIMGRID
1943Nov33.6°F33.4°F+0.2°NCLIMGRID
1943Dec25.4°F20.5°F+5.0°NCLIMGRID
1944Jan26.7°F16.2°F+10.5°NCLIMGRID
1944Feb21.5°F22.7°F-1.2°NCLIMGRID
1944Mar26.0°F34.6°F-8.7°NCLIMGRID
1944Apr42.9°F48.3°F-5.4°NCLIMGRID
1944May63.2°F59.4°F+3.8°NCLIMGRID
1944Jun68.1°F69.6°F-1.5°NCLIMGRID
1944Jul73.0°F75.5°F-2.5°NCLIMGRID
1944Aug71.2°F72.8°F-1.6°NCLIMGRID
1944Sep62.0°F62.8°F-0.8°NCLIMGRID
1944Oct52.3°F49.3°F+3.0°NCLIMGRID
1944Nov34.9°F33.4°F+1.6°NCLIMGRID
1944Dec21.3°F20.5°F+0.8°NCLIMGRID
1945Jan22.6°F16.2°F+6.4°NCLIMGRID
1945Feb24.4°F22.7°F+1.8°NCLIMGRID
1945Mar40.7°F34.6°F+6.0°NCLIMGRID
1945Apr44.4°F48.3°F-3.9°NCLIMGRID
1945May54.5°F59.4°F-4.9°NCLIMGRID
1945Jun62.1°F69.6°F-7.6°NCLIMGRID
1945Jul73.7°F75.5°F-1.8°NCLIMGRID
1945Aug72.3°F72.8°F-0.6°NCLIMGRID
1945Sep61.5°F62.8°F-1.3°NCLIMGRID
1945Oct51.8°F49.3°F+2.5°NCLIMGRID
1945Nov33.6°F33.4°F+0.2°NCLIMGRID
1945Dec14.6°F20.5°F-5.9°NCLIMGRID
1946Jan22.7°F16.2°F+6.5°NCLIMGRID
1946Feb26.2°F22.7°F+3.5°NCLIMGRID
1946Mar41.6°F34.6°F+7.0°NCLIMGRID
1946Apr54.2°F48.3°F+6.0°NCLIMGRID
1946May55.4°F59.4°F-4.0°NCLIMGRID
1946Jun69.1°F69.6°F-0.5°NCLIMGRID
1946Jul74.9°F75.5°F-0.5°NCLIMGRID
1946Aug69.2°F72.8°F-3.6°NCLIMGRID
1946Sep61.6°F62.8°F-1.2°NCLIMGRID
1946Oct48.5°F49.3°F-0.8°NCLIMGRID
1946Nov31.3°F33.4°F-2.0°NCLIMGRID
1946Dec24.9°F20.5°F+4.4°NCLIMGRID
1947Jan24.4°F16.2°F+8.2°NCLIMGRID
1947Feb17.5°F22.7°F-5.2°NCLIMGRID
1947Mar29.9°F34.6°F-4.7°NCLIMGRID
1947Apr43.3°F48.3°F-5.0°NCLIMGRID
1947May55.4°F59.4°F-4.0°NCLIMGRID
1947Jun65.0°F69.6°F-4.7°NCLIMGRID
1947Jul74.4°F75.5°F-1.0°NCLIMGRID
1947Aug79.3°F72.8°F+6.4°NCLIMGRID
1947Sep65.0°F62.8°F+2.2°NCLIMGRID
1947Oct58.2°F49.3°F+8.9°NCLIMGRID
1947Nov29.1°F33.4°F-4.3°NCLIMGRID
1947Dec22.2°F20.5°F+1.7°NCLIMGRID
1948Jan16.5°F16.2°F+0.4°NCLIMGRID
1948Feb19.0°F22.7°F-3.7°NCLIMGRID
1948Mar30.7°F34.6°F-3.9°NCLIMGRID
1948Apr53.0°F48.3°F+4.7°NCLIMGRID
1948May58.8°F59.4°F-0.6°NCLIMGRID
1948Jun66.6°F69.6°F-3.0°NCLIMGRID
1948Jul75.3°F75.5°F-0.2°NCLIMGRID
1948Aug73.6°F72.8°F+0.7°NCLIMGRID
1948Sep68.0°F62.8°F+5.2°NCLIMGRID
1948Oct49.8°F49.3°F+0.5°NCLIMGRID
1948Nov32.9°F33.4°F-0.4°NCLIMGRID
1948Dec18.8°F20.5°F-1.7°NCLIMGRID
1949Jan8.6°F16.2°F-7.6°NCLIMGRID
1949Feb13.6°F22.7°F-9.1°NCLIMGRID
1949Mar30.8°F34.6°F-3.8°NCLIMGRID
1949Apr49.6°F48.3°F+1.3°NCLIMGRID
1949May63.4°F59.4°F+4.0°NCLIMGRID
1949Jun71.4°F69.6°F+1.7°NCLIMGRID
1949Jul77.5°F75.5°F+2.0°NCLIMGRID
1949Aug74.1°F72.8°F+1.3°NCLIMGRID
1949Sep58.0°F62.8°F-4.8°NCLIMGRID
1949Oct50.0°F49.3°F+0.7°NCLIMGRID
1949Nov42.9°F33.4°F+9.6°NCLIMGRID
1949Dec22.0°F20.5°F+1.5°NCLIMGRID
1950Jan6.3°F16.2°F-9.8°NCLIMGRID
1950Feb19.8°F22.7°F-2.9°NCLIMGRID
1950Mar24.4°F34.6°F-10.3°NCLIMGRID
1950Apr39.3°F48.3°F-9.0°NCLIMGRID
1950May55.1°F59.4°F-4.3°NCLIMGRID
1950Jun67.9°F69.6°F-1.7°NCLIMGRID
1950Jul68.9°F75.5°F-6.6°NCLIMGRID
1950Aug68.8°F72.8°F-4.1°NCLIMGRID
1950Sep61.5°F62.8°F-1.4°NCLIMGRID
1950Oct52.7°F49.3°F+3.4°NCLIMGRID
1950Nov31.6°F33.4°F-1.7°NCLIMGRID
1950Dec20.2°F20.5°F-0.3°NCLIMGRID
1951Jan16.6°F16.2°F+0.5°NCLIMGRID
1951Feb26.9°F22.7°F+4.2°NCLIMGRID
1951Mar22.6°F34.6°F-12.0°NCLIMGRID
1951Apr42.6°F48.3°F-5.7°NCLIMGRID
1951May58.7°F59.4°F-0.8°NCLIMGRID
1951Jun62.0°F69.6°F-7.7°NCLIMGRID
1951Jul71.3°F75.5°F-4.1°NCLIMGRID
1951Aug69.2°F72.8°F-3.6°NCLIMGRID
1951Sep56.5°F62.8°F-6.3°NCLIMGRID
1951Oct47.4°F49.3°F-1.9°NCLIMGRID
1951Nov29.6°F33.4°F-3.8°NCLIMGRID
1951Dec13.2°F20.5°F-7.3°NCLIMGRID
1952Jan14.7°F16.2°F-1.4°NCLIMGRID
1952Feb27.5°F22.7°F+4.8°NCLIMGRID
1952Mar25.8°F34.6°F-8.8°NCLIMGRID
1952Apr48.6°F48.3°F+0.4°NCLIMGRID
1952May59.0°F59.4°F-0.4°NCLIMGRID
1952Jun72.9°F69.6°F+3.2°NCLIMGRID
1952Jul75.7°F75.5°F+0.2°NCLIMGRID
1952Aug71.4°F72.8°F-1.5°NCLIMGRID
1952Sep66.3°F62.8°F+3.4°NCLIMGRID
1952Oct47.5°F49.3°F-1.8°NCLIMGRID
1952Nov34.2°F33.4°F+0.8°NCLIMGRID
1952Dec23.4°F20.5°F+2.9°NCLIMGRID
1953Jan22.3°F16.2°F+6.1°NCLIMGRID
1953Feb23.7°F22.7°F+1.0°NCLIMGRID
1953Mar35.1°F34.6°F+0.5°NCLIMGRID
1953Apr41.6°F48.3°F-6.7°NCLIMGRID
1953May57.3°F59.4°F-2.1°NCLIMGRID
1953Jun71.6°F69.6°F+1.9°NCLIMGRID
1953Jul74.4°F75.5°F-1.1°NCLIMGRID
1953Aug73.3°F72.8°F+0.4°NCLIMGRID
1953Sep64.0°F62.8°F+1.2°NCLIMGRID
1953Oct56.1°F49.3°F+6.8°NCLIMGRID
1953Nov38.5°F33.4°F+5.2°NCLIMGRID
1953Dec22.6°F20.5°F+2.2°NCLIMGRID
1954Jan13.2°F16.2°F-3.0°NCLIMGRID
1954Feb37.9°F22.7°F+15.2°NCLIMGRID
1954Mar28.7°F34.6°F-5.9°NCLIMGRID
1954Apr49.9°F48.3°F+1.6°NCLIMGRID
1954May55.0°F59.4°F-4.5°NCLIMGRID
1954Jun68.9°F69.6°F-0.7°NCLIMGRID
1954Jul77.2°F75.5°F+1.7°NCLIMGRID
1954Aug72.0°F72.8°F-0.9°NCLIMGRID
1954Sep63.6°F62.8°F+0.8°NCLIMGRID
1954Oct47.7°F49.3°F-1.6°NCLIMGRID
1954Nov41.2°F33.4°F+7.8°NCLIMGRID
1954Dec25.0°F20.5°F+4.6°NCLIMGRID
1955Jan21.1°F16.2°F+5.0°NCLIMGRID
1955Feb15.6°F22.7°F-7.1°NCLIMGRID
1955Mar31.6°F34.6°F-3.0°NCLIMGRID
1955Apr55.8°F48.3°F+7.5°NCLIMGRID
1955May64.3°F59.4°F+4.9°NCLIMGRID
1955Jun66.3°F69.6°F-3.3°NCLIMGRID
1955Jul79.8°F75.5°F+4.3°NCLIMGRID
1955Aug78.3°F72.8°F+5.4°NCLIMGRID
1955Sep65.2°F62.8°F+2.4°NCLIMGRID
1955Oct52.1°F49.3°F+2.8°NCLIMGRID
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1984Feb30.0°F22.7°F+7.3°NCLIMGRID
1984Mar27.6°F34.6°F-7.0°NCLIMGRID
1984Apr44.8°F48.3°F-3.5°NCLIMGRID
1984May57.1°F59.4°F-2.3°NCLIMGRID
1984Jun69.8°F69.6°F+0.2°NCLIMGRID
1984Jul73.7°F75.5°F-1.7°NCLIMGRID
1984Aug74.9°F72.8°F+2.1°NCLIMGRID
1984Sep58.4°F62.8°F-4.4°NCLIMGRID
1984Oct49.3°F49.3°F+0.0°NCLIMGRID
1984Nov36.3°F33.4°F+2.9°NCLIMGRID
1984Dec19.7°F20.5°F-0.8°NCLIMGRID
1985Jan15.1°F16.2°F-1.1°NCLIMGRID
1985Feb21.3°F22.7°F-1.4°NCLIMGRID
1985Mar38.3°F34.6°F+3.7°NCLIMGRID
1985Apr53.0°F48.3°F+4.8°NCLIMGRID
1985May63.1°F59.4°F+3.7°NCLIMGRID
1985Jun65.3°F69.6°F-4.4°NCLIMGRID
1985Jul74.3°F75.5°F-1.1°NCLIMGRID
1985Aug68.4°F72.8°F-4.5°NCLIMGRID
1985Sep58.6°F62.8°F-4.2°NCLIMGRID
1985Oct48.8°F49.3°F-0.4°NCLIMGRID
1985Nov20.3°F33.4°F-13.1°NCLIMGRID
1985Dec12.3°F20.5°F-8.1°NCLIMGRID
1986Jan25.1°F16.2°F+8.9°NCLIMGRID
1986Feb20.0°F22.7°F-2.6°NCLIMGRID
1986Mar40.3°F34.6°F+5.6°NCLIMGRID
1986Apr47.9°F48.3°F-0.4°NCLIMGRID
1986May59.8°F59.4°F+0.3°NCLIMGRID
1986Jun71.1°F69.6°F+1.4°NCLIMGRID
1986Jul75.7°F75.5°F+0.2°NCLIMGRID
1986Aug69.2°F72.8°F-3.7°NCLIMGRID
1986Sep60.1°F62.8°F-2.7°NCLIMGRID
1986Oct50.0°F49.3°F+0.7°NCLIMGRID
1986Nov31.6°F33.4°F-1.8°NCLIMGRID
1986Dec28.6°F20.5°F+8.1°NCLIMGRID
1987Jan26.3°F16.2°F+10.1°NCLIMGRID
1987Feb33.5°F22.7°F+10.9°NCLIMGRID
1987Mar37.2°F34.6°F+2.6°NCLIMGRID
1987Apr53.0°F48.3°F+4.7°NCLIMGRID
1987May65.5°F59.4°F+6.1°NCLIMGRID
1987Jun72.9°F69.6°F+3.3°NCLIMGRID
1987Jul76.8°F75.5°F+1.3°NCLIMGRID
1987Aug69.3°F72.8°F-3.5°NCLIMGRID
1987Sep62.4°F62.8°F-0.5°NCLIMGRID
1987Oct45.8°F49.3°F-3.5°NCLIMGRID
1987Nov37.8°F33.4°F+4.4°NCLIMGRID
1987Dec26.3°F20.5°F+5.9°NCLIMGRID
1988Jan11.2°F16.2°F-5.0°NCLIMGRID
1988Feb17.4°F22.7°F-5.3°NCLIMGRID
1988Mar37.3°F34.6°F+2.7°NCLIMGRID
1988Apr48.2°F48.3°F-0.1°NCLIMGRID
1988May63.8°F59.4°F+4.3°NCLIMGRID
1988Jun76.2°F69.6°F+6.6°NCLIMGRID
1988Jul75.8°F75.5°F+0.3°NCLIMGRID
1988Aug74.6°F72.8°F+1.8°NCLIMGRID
1988Sep63.0°F62.8°F+0.2°NCLIMGRID
1988Oct46.9°F49.3°F-2.4°NCLIMGRID
1988Nov36.5°F33.4°F+3.1°NCLIMGRID
1988Dec25.9°F20.5°F+5.5°NCLIMGRID
1989Jan28.8°F16.2°F+12.6°NCLIMGRID
1989Feb12.6°F22.7°F-10.1°NCLIMGRID
1989Mar31.3°F34.6°F-3.3°NCLIMGRID
1989Apr50.6°F48.3°F+2.3°NCLIMGRID
1989May59.0°F59.4°F-0.4°NCLIMGRID
1989Jun67.4°F69.6°F-2.3°NCLIMGRID
1989Jul77.3°F75.5°F+1.8°NCLIMGRID
1989Aug73.6°F72.8°F+0.7°NCLIMGRID
1989Sep62.0°F62.8°F-0.9°NCLIMGRID
1989Oct50.6°F49.3°F+1.3°NCLIMGRID
1989Nov33.4°F33.4°F+0.0°NCLIMGRID
1989Dec12.5°F20.5°F-8.0°NCLIMGRID
1990Jan30.4°F16.2°F+14.3°NCLIMGRID
1990Feb27.9°F22.7°F+5.2°NCLIMGRID
1990Mar38.5°F34.6°F+3.9°NCLIMGRID
1990Apr47.2°F48.3°F-1.1°NCLIMGRID
1990May56.0°F59.4°F-3.4°NCLIMGRID
1990Jun70.8°F69.6°F+1.1°NCLIMGRID
1990Jul73.0°F75.5°F-2.5°NCLIMGRID
1990Aug73.8°F72.8°F+1.0°NCLIMGRID
1990Sep68.0°F62.8°F+5.1°NCLIMGRID
1990Oct49.7°F49.3°F+0.4°NCLIMGRID
1990Nov37.1°F33.4°F+3.8°NCLIMGRID
1990Dec17.4°F20.5°F-3.1°NCLIMGRID
1991Jan15.9°F16.2°F-0.3°NCLIMGRID
1991Feb32.4°F22.7°F+9.7°NCLIMGRID
1991Mar37.9°F34.6°F+3.3°NCLIMGRID
1991Apr49.5°F48.3°F+1.2°NCLIMGRID
1991May60.9°F59.4°F+1.5°NCLIMGRID
1991Jun73.2°F69.6°F+3.5°NCLIMGRID
1991Jul75.7°F75.5°F+0.2°NCLIMGRID
1991Aug74.1°F72.8°F+1.2°NCLIMGRID
1991Sep63.8°F62.8°F+1.0°NCLIMGRID
1991Oct47.8°F49.3°F-1.5°NCLIMGRID
1991Nov27.4°F33.4°F-5.9°NCLIMGRID
1991Dec27.9°F20.5°F+7.4°NCLIMGRID
1992Jan29.2°F16.2°F+13.1°NCLIMGRID
1992Feb32.6°F22.7°F+9.9°NCLIMGRID
1992Mar39.0°F34.6°F+4.3°NCLIMGRID
1992Apr45.2°F48.3°F-3.1°NCLIMGRID
1992May60.3°F59.4°F+0.8°NCLIMGRID
1992Jun65.7°F69.6°F-3.9°NCLIMGRID
1992Jul66.2°F75.5°F-9.3°NCLIMGRID
1992Aug66.3°F72.8°F-6.6°NCLIMGRID
1992Sep61.0°F62.8°F-1.8°NCLIMGRID
1992Oct49.3°F49.3°F+0.0°NCLIMGRID
1992Nov30.5°F33.4°F-2.9°NCLIMGRID
1992Dec20.6°F20.5°F+0.1°NCLIMGRID
1993Jan15.8°F16.2°F-0.4°NCLIMGRID
1993Feb15.7°F22.7°F-7.0°NCLIMGRID
1993Mar32.7°F34.6°F-1.9°NCLIMGRID
1993Apr45.1°F48.3°F-3.2°NCLIMGRID
1993May57.8°F59.4°F-1.6°NCLIMGRID
1993Jun65.1°F69.6°F-4.5°NCLIMGRID
1993Jul70.4°F75.5°F-5.0°NCLIMGRID
1993Aug70.4°F72.8°F-2.4°NCLIMGRID
1993Sep57.4°F62.8°F-5.4°NCLIMGRID
1993Oct48.4°F49.3°F-0.9°NCLIMGRID
1993Nov30.3°F33.4°F-3.1°NCLIMGRID
1993Dec25.2°F20.5°F+4.8°NCLIMGRID
1994Jan11.0°F16.2°F-5.2°NCLIMGRID
1994Feb15.0°F22.7°F-7.6°NCLIMGRID
1994Mar38.4°F34.6°F+3.8°NCLIMGRID
1994Apr47.1°F48.3°F-1.2°NCLIMGRID
1994May62.5°F59.4°F+3.1°NCLIMGRID
1994Jun70.4°F69.6°F+0.7°NCLIMGRID
1994Jul69.9°F75.5°F-5.5°NCLIMGRID
1994Aug69.4°F72.8°F-3.5°NCLIMGRID
1994Sep64.3°F62.8°F+1.5°NCLIMGRID
1994Oct52.3°F49.3°F+3.0°NCLIMGRID
1994Nov36.9°F33.4°F+3.5°NCLIMGRID
1994Dec22.8°F20.5°F+2.4°NCLIMGRID
1995Jan18.6°F16.2°F+2.4°NCLIMGRID
1995Feb28.2°F22.7°F+5.5°NCLIMGRID
1995Mar33.8°F34.6°F-0.8°NCLIMGRID
1995Apr41.3°F48.3°F-7.0°NCLIMGRID
1995May54.0°F59.4°F-5.5°NCLIMGRID
1995Jun68.4°F69.6°F-1.3°NCLIMGRID
1995Jul75.3°F75.5°F-0.2°NCLIMGRID
1995Aug75.6°F72.8°F+2.8°NCLIMGRID
1995Sep60.7°F62.8°F-2.1°NCLIMGRID
1995Oct48.2°F49.3°F-1.1°NCLIMGRID
1995Nov31.0°F33.4°F-2.4°NCLIMGRID
1995Dec24.0°F20.5°F+3.5°NCLIMGRID
1996Jan13.5°F16.2°F-2.7°NCLIMGRID
1996Feb25.7°F22.7°F+3.0°NCLIMGRID
1996Mar27.3°F34.6°F-7.3°NCLIMGRID
1996Apr44.3°F48.3°F-4.0°NCLIMGRID
1996May55.5°F59.4°F-3.9°NCLIMGRID
1996Jun69.7°F69.6°F+0.1°NCLIMGRID
1996Jul70.3°F75.5°F-5.2°NCLIMGRID
1996Aug70.7°F72.8°F-2.1°NCLIMGRID
1996Sep60.6°F62.8°F-2.3°NCLIMGRID
1996Oct49.8°F49.3°F+0.5°NCLIMGRID
1996Nov25.1°F33.4°F-8.3°NCLIMGRID
1996Dec12.0°F20.5°F-8.5°NCLIMGRID
1997Jan11.7°F16.2°F-4.5°NCLIMGRID
1997Feb23.5°F22.7°F+0.8°NCLIMGRID
1997Mar35.7°F34.6°F+1.1°NCLIMGRID
1997Apr41.8°F48.3°F-6.4°NCLIMGRID
1997May55.2°F59.4°F-4.2°NCLIMGRID
1997Jun70.3°F69.6°F+0.7°NCLIMGRID
1997Jul74.8°F75.5°F-0.7°NCLIMGRID
1997Aug71.1°F72.8°F-1.8°NCLIMGRID
1997Sep64.5°F62.8°F+1.7°NCLIMGRID
1997Oct52.0°F49.3°F+2.7°NCLIMGRID
1997Nov31.6°F33.4°F-1.8°NCLIMGRID
1997Dec28.7°F20.5°F+8.2°NCLIMGRID
1998Jan21.7°F16.2°F+5.5°NCLIMGRID
1998Feb34.0°F22.7°F+11.3°NCLIMGRID
1998Mar28.1°F34.6°F-6.5°NCLIMGRID
1998Apr47.9°F48.3°F-0.4°NCLIMGRID
1998May62.9°F59.4°F+3.5°NCLIMGRID
1998Jun65.1°F69.6°F-4.5°NCLIMGRID
1998Jul74.2°F75.5°F-1.3°NCLIMGRID
1998Aug73.1°F72.8°F+0.2°NCLIMGRID
1998Sep68.7°F62.8°F+5.9°NCLIMGRID
1998Oct51.3°F49.3°F+2.0°NCLIMGRID
1998Nov38.5°F33.4°F+5.1°NCLIMGRID
1998Dec27.4°F20.5°F+6.9°NCLIMGRID
1999Jan19.3°F16.2°F+3.1°NCLIMGRID
1999Feb34.2°F22.7°F+11.5°NCLIMGRID
1999Mar36.8°F34.6°F+2.2°NCLIMGRID
1999Apr47.6°F48.3°F-0.7°NCLIMGRID
1999May58.6°F59.4°F-0.8°NCLIMGRID
1999Jun67.0°F69.6°F-2.7°NCLIMGRID
1999Jul76.2°F75.5°F+0.7°NCLIMGRID
1999Aug72.1°F72.8°F-0.7°NCLIMGRID
1999Sep60.3°F62.8°F-2.6°NCLIMGRID
1999Oct50.2°F49.3°F+0.9°NCLIMGRID
1999Nov44.5°F33.4°F+11.1°NCLIMGRID
1999Dec28.8°F20.5°F+8.3°NCLIMGRID
2000Jan23.0°F16.2°F+6.8°NCLIMGRID
2000Feb33.6°F22.7°F+10.9°NCLIMGRID
2000Mar41.5°F34.6°F+6.8°NCLIMGRID
2000Apr48.0°F48.3°F-0.3°NCLIMGRID
2000May61.2°F59.4°F+1.8°NCLIMGRID
2000Jun67.4°F69.6°F-2.2°NCLIMGRID
2000Jul75.0°F75.5°F-0.5°NCLIMGRID
2000Aug74.3°F72.8°F+1.4°NCLIMGRID
2000Sep63.7°F62.8°F+0.9°NCLIMGRID
2000Oct52.3°F49.3°F+3.0°NCLIMGRID
2000Nov25.0°F33.4°F-8.4°NCLIMGRID
2000Dec10.9°F20.5°F-9.5°NCLIMGRID
2001Jan21.7°F16.2°F+5.5°NCLIMGRID
2001Feb14.4°F22.7°F-8.2°NCLIMGRID
2001Mar28.7°F34.6°F-5.9°NCLIMGRID
2001Apr48.3°F48.3°F+0.0°NCLIMGRID
2001May60.2°F59.4°F+0.7°NCLIMGRID
2001Jun68.1°F69.6°F-1.5°NCLIMGRID
2001Jul75.4°F75.5°F-0.1°NCLIMGRID
2001Aug73.5°F72.8°F+0.6°NCLIMGRID
2001Sep62.6°F62.8°F-0.2°NCLIMGRID
2001Oct50.0°F49.3°F+0.7°NCLIMGRID
2001Nov43.7°F33.4°F+10.3°NCLIMGRID
2001Dec25.8°F20.5°F+5.3°NCLIMGRID
2002Jan27.0°F16.2°F+10.8°NCLIMGRID
2002Feb32.0°F22.7°F+9.4°NCLIMGRID
2002Mar24.9°F34.6°F-9.7°NCLIMGRID
2002Apr49.2°F48.3°F+0.9°NCLIMGRID
2002May55.4°F59.4°F-4.0°NCLIMGRID
2002Jun73.9°F69.6°F+4.3°NCLIMGRID
2002Jul79.8°F75.5°F+4.4°NCLIMGRID
2002Aug72.2°F72.8°F-0.7°NCLIMGRID
2002Sep64.7°F62.8°F+1.9°NCLIMGRID
2002Oct42.6°F49.3°F-6.7°NCLIMGRID
2002Nov35.5°F33.4°F+2.2°NCLIMGRID
2002Dec28.7°F20.5°F+8.3°NCLIMGRID
2003Jan19.9°F16.2°F+3.8°NCLIMGRID
2003Feb22.3°F22.7°F-0.4°NCLIMGRID
2003Mar35.6°F34.6°F+1.0°NCLIMGRID
2003Apr49.2°F48.3°F+0.9°NCLIMGRID
2003May56.5°F59.4°F-2.9°NCLIMGRID
2003Jun65.9°F69.6°F-3.7°NCLIMGRID
2003Jul74.4°F75.5°F-1.0°NCLIMGRID
2003Aug75.0°F72.8°F+2.1°NCLIMGRID
2003Sep62.3°F62.8°F-0.5°NCLIMGRID
2003Oct53.7°F49.3°F+4.4°NCLIMGRID
2003Nov32.9°F33.4°F-0.4°NCLIMGRID
2003Dec28.0°F20.5°F+7.5°NCLIMGRID
2004Jan18.1°F16.2°F+1.9°NCLIMGRID
2004Feb22.5°F22.7°F-0.2°NCLIMGRID
2004Mar40.9°F34.6°F+6.3°NCLIMGRID
2004Apr50.2°F48.3°F+2.0°NCLIMGRID
2004May59.5°F59.4°F+0.1°NCLIMGRID
2004Jun64.7°F69.6°F-4.9°NCLIMGRID
2004Jul72.4°F75.5°F-3.1°NCLIMGRID
2004Aug68.1°F72.8°F-4.8°NCLIMGRID
2004Sep66.5°F62.8°F+3.7°NCLIMGRID
2004Oct50.9°F49.3°F+1.6°NCLIMGRID
2004Nov38.3°F33.4°F+4.9°NCLIMGRID
2004Dec28.5°F20.5°F+8.0°NCLIMGRID
2005Jan17.0°F16.2°F+0.8°NCLIMGRID
2005Feb31.2°F22.7°F+8.5°NCLIMGRID
2005Mar36.2°F34.6°F+1.6°NCLIMGRID
2005Apr50.7°F48.3°F+2.4°NCLIMGRID
2005May57.4°F59.4°F-2.0°NCLIMGRID
2005Jun70.4°F69.6°F+0.8°NCLIMGRID
2005Jul76.0°F75.5°F+0.6°NCLIMGRID
2005Aug73.4°F72.8°F+0.6°NCLIMGRID
2005Sep69.5°F62.8°F+6.7°NCLIMGRID
2005Oct50.7°F49.3°F+1.4°NCLIMGRID
2005Nov38.6°F33.4°F+5.3°NCLIMGRID
2005Dec19.4°F20.5°F-1.1°NCLIMGRID
2006Jan34.0°F16.2°F+17.9°NCLIMGRID
2006Feb24.3°F22.7°F+1.7°NCLIMGRID
2006Mar34.4°F34.6°F-0.3°NCLIMGRID
2006Apr52.8°F48.3°F+4.5°NCLIMGRID
2006May61.1°F59.4°F+1.7°NCLIMGRID
2006Jun70.5°F69.6°F+0.8°NCLIMGRID
2006Jul78.8°F75.5°F+3.3°NCLIMGRID
2006Aug73.0°F72.8°F+0.2°NCLIMGRID
2006Sep58.1°F62.8°F-4.7°NCLIMGRID
2006Oct47.3°F49.3°F-2.0°NCLIMGRID
2006Nov35.7°F33.4°F+2.4°NCLIMGRID
2006Dec28.2°F20.5°F+7.7°NCLIMGRID
2007Jan18.5°F16.2°F+2.4°NCLIMGRID
2007Feb16.0°F22.7°F-6.7°NCLIMGRID
2007Mar42.0°F34.6°F+7.4°NCLIMGRID
2007Apr45.9°F48.3°F-2.3°NCLIMGRID
2007May63.3°F59.4°F+3.9°NCLIMGRID
2007Jun70.1°F69.6°F+0.5°NCLIMGRID
2007Jul77.0°F75.5°F+1.5°NCLIMGRID
2007Aug73.5°F72.8°F+0.7°NCLIMGRID
2007Sep64.5°F62.8°F+1.7°NCLIMGRID
2007Oct53.3°F49.3°F+4.0°NCLIMGRID
2007Nov37.3°F33.4°F+4.0°NCLIMGRID
2007Dec21.7°F20.5°F+1.2°NCLIMGRID
2008Jan18.3°F16.2°F+2.2°NCLIMGRID
2008Feb19.9°F22.7°F-2.8°NCLIMGRID
2008Mar33.3°F34.6°F-1.3°NCLIMGRID
2008Apr44.1°F48.3°F-4.2°NCLIMGRID
2008May55.7°F59.4°F-3.8°NCLIMGRID
2008Jun67.2°F69.6°F-2.4°NCLIMGRID
2008Jul75.6°F75.5°F+0.1°NCLIMGRID
2008Aug72.5°F72.8°F-0.3°NCLIMGRID
2008Sep63.2°F62.8°F+0.3°NCLIMGRID
2008Oct49.4°F49.3°F+0.1°NCLIMGRID
2008Nov35.9°F33.4°F+2.5°NCLIMGRID
2008Dec17.0°F20.5°F-3.5°NCLIMGRID
2009Jan18.0°F16.2°F+1.9°NCLIMGRID
2009Feb27.2°F22.7°F+4.5°NCLIMGRID
2009Mar34.1°F34.6°F-0.5°NCLIMGRID
2009Apr45.3°F48.3°F-3.0°NCLIMGRID
2009May58.8°F59.4°F-0.6°NCLIMGRID
2009Jun67.0°F69.6°F-2.6°NCLIMGRID
2009Jul69.7°F75.5°F-5.8°NCLIMGRID
2009Aug69.8°F72.8°F-3.0°NCLIMGRID
2009Sep63.0°F62.8°F+0.2°NCLIMGRID
2009Oct42.0°F49.3°F-7.2°NCLIMGRID
2009Nov41.4°F33.4°F+8.0°NCLIMGRID
2009Dec15.3°F20.5°F-5.2°NCLIMGRID
2010Jan14.8°F16.2°F-1.4°NCLIMGRID
2010Feb16.1°F22.7°F-6.6°NCLIMGRID
2010Mar38.5°F34.6°F+3.9°NCLIMGRID
2010Apr52.9°F48.3°F+4.6°NCLIMGRID
2010May58.0°F59.4°F-1.4°NCLIMGRID
2010Jun69.7°F69.6°F+0.1°NCLIMGRID
2010Jul75.3°F75.5°F-0.2°NCLIMGRID
2010Aug75.1°F72.8°F+2.2°NCLIMGRID
2010Sep61.3°F62.8°F-1.5°NCLIMGRID
2010Oct52.9°F49.3°F+3.6°NCLIMGRID
2010Nov35.5°F33.4°F+2.2°NCLIMGRID
2010Dec19.9°F20.5°F-0.5°NCLIMGRID
2011Jan13.6°F16.2°F-2.6°NCLIMGRID
2011Feb21.3°F22.7°F-1.4°NCLIMGRID
2011Mar32.1°F34.6°F-2.6°NCLIMGRID
2011Apr45.9°F48.3°F-2.4°NCLIMGRID
2011May57.4°F59.4°F-2.0°NCLIMGRID
2011Jun68.2°F69.6°F-1.4°NCLIMGRID
2011Jul79.6°F75.5°F+4.1°NCLIMGRID
2011Aug73.2°F72.8°F+0.3°NCLIMGRID
2011Sep61.2°F62.8°F-1.6°NCLIMGRID
2011Oct54.4°F49.3°F+5.1°NCLIMGRID
2011Nov37.8°F33.4°F+4.4°NCLIMGRID
2011Dec28.7°F20.5°F+8.3°NCLIMGRID
2012Jan27.0°F16.2°F+10.8°NCLIMGRID
2012Feb28.1°F22.7°F+5.4°NCLIMGRID
2012Mar50.8°F34.6°F+16.2°NCLIMGRID
2012Apr53.7°F48.3°F+5.4°NCLIMGRID
2012May62.7°F59.4°F+3.3°NCLIMGRID
2012Jun73.6°F69.6°F+4.0°NCLIMGRID
2012Jul83.0°F75.5°F+7.6°NCLIMGRID
2012Aug74.5°F72.8°F+1.7°NCLIMGRID
2012Sep65.0°F62.8°F+2.2°NCLIMGRID
2012Oct48.2°F49.3°F-1.1°NCLIMGRID
2012Nov37.1°F33.4°F+3.7°NCLIMGRID
2012Dec23.9°F20.5°F+3.5°NCLIMGRID
2013Jan22.0°F16.2°F+5.8°NCLIMGRID
2013Feb24.2°F22.7°F+1.5°NCLIMGRID
2013Mar29.1°F34.6°F-5.5°NCLIMGRID
2013Apr39.6°F48.3°F-8.7°NCLIMGRID
2013May58.1°F59.4°F-1.3°NCLIMGRID
2013Jun67.8°F69.6°F-1.8°NCLIMGRID
2013Jul73.1°F75.5°F-2.3°NCLIMGRID
2013Aug72.7°F72.8°F-0.1°NCLIMGRID
2013Sep68.4°F62.8°F+5.6°NCLIMGRID
2013Oct48.3°F49.3°F-0.9°NCLIMGRID
2013Nov33.7°F33.4°F+0.4°NCLIMGRID
2013Dec15.6°F20.5°F-4.8°NCLIMGRID
2014Jan18.3°F16.2°F+2.1°NCLIMGRID
2014Feb16.0°F22.7°F-6.7°NCLIMGRID
2014Mar30.8°F34.6°F-3.8°NCLIMGRID
2014Apr47.5°F48.3°F-0.8°NCLIMGRID
2014May58.1°F59.4°F-1.3°NCLIMGRID
2014Jun68.2°F69.6°F-1.4°NCLIMGRID
2014Jul70.7°F75.5°F-4.8°NCLIMGRID
2014Aug70.4°F72.8°F-2.5°NCLIMGRID
2014Sep61.9°F62.8°F-0.9°NCLIMGRID
2014Oct52.0°F49.3°F+2.7°NCLIMGRID
2014Nov27.7°F33.4°F-5.7°NCLIMGRID
2014Dec24.3°F20.5°F+3.9°NCLIMGRID
2015Jan22.5°F16.2°F+6.4°NCLIMGRID
2015Feb19.0°F22.7°F-3.7°NCLIMGRID
2015Mar39.3°F34.6°F+4.6°NCLIMGRID
2015Apr50.6°F48.3°F+2.4°NCLIMGRID
2015May57.6°F59.4°F-1.8°NCLIMGRID
2015Jun69.9°F69.6°F+0.3°NCLIMGRID
2015Jul73.2°F75.5°F-2.2°NCLIMGRID
2015Aug70.1°F72.8°F-2.8°NCLIMGRID
2015Sep67.7°F62.8°F+4.9°NCLIMGRID
2015Oct53.5°F49.3°F+4.2°NCLIMGRID
2015Nov38.5°F33.4°F+5.1°NCLIMGRID
2015Dec26.7°F20.5°F+6.2°NCLIMGRID
2016Jan19.9°F16.2°F+3.7°NCLIMGRID
2016Feb31.1°F22.7°F+8.4°NCLIMGRID
2016Mar41.0°F34.6°F+6.3°NCLIMGRID
2016Apr48.2°F48.3°F-0.1°NCLIMGRID
2016May59.1°F59.4°F-0.3°NCLIMGRID
2016Jun73.0°F69.6°F+3.4°NCLIMGRID
2016Jul74.2°F75.5°F-1.3°NCLIMGRID
2016Aug72.4°F72.8°F-0.4°NCLIMGRID
2016Sep64.5°F62.8°F+1.7°NCLIMGRID
2016Oct52.3°F49.3°F+3.0°NCLIMGRID
2016Nov43.1°F33.4°F+9.8°NCLIMGRID
2016Dec19.7°F20.5°F-0.7°NCLIMGRID
2017Jan21.2°F16.2°F+5.1°NCLIMGRID
2017Feb31.4°F22.7°F+8.7°NCLIMGRID
2017Mar37.1°F34.6°F+2.4°NCLIMGRID
2017Apr48.9°F48.3°F+0.6°NCLIMGRID
2017May57.0°F59.4°F-2.4°NCLIMGRID
2017Jun70.5°F69.6°F+0.9°NCLIMGRID
2017Jul76.8°F75.5°F+1.3°NCLIMGRID
2017Aug67.8°F72.8°F-5.1°NCLIMGRID
2017Sep64.3°F62.8°F+1.5°NCLIMGRID
2017Oct50.1°F49.3°F+0.9°NCLIMGRID
2017Nov36.3°F33.4°F+3.0°NCLIMGRID
2017Dec23.4°F20.5°F+2.9°NCLIMGRID
2018Jan17.5°F16.2°F+1.3°NCLIMGRID
2018Feb15.3°F22.7°F-7.4°NCLIMGRID
2018Mar33.5°F34.6°F-1.1°NCLIMGRID
2018Apr37.5°F48.3°F-10.7°NCLIMGRID
2018May64.7°F59.4°F+5.3°NCLIMGRID
2018Jun72.0°F69.6°F+2.3°NCLIMGRID
2018Jul73.5°F75.5°F-2.0°NCLIMGRID
2018Aug70.7°F72.8°F-2.1°NCLIMGRID
2018Sep64.3°F62.8°F+1.5°NCLIMGRID
2018Oct45.2°F49.3°F-4.1°NCLIMGRID
2018Nov29.7°F33.4°F-3.6°NCLIMGRID
2018Dec24.5°F20.5°F+4.1°NCLIMGRID
2019Jan18.4°F16.2°F+2.2°NCLIMGRID
2019Feb10.7°F22.7°F-12.0°NCLIMGRID
2019Mar28.5°F34.6°F-6.1°NCLIMGRID
2019Apr46.0°F48.3°F-2.3°NCLIMGRID
2019May53.5°F59.4°F-5.9°NCLIMGRID
2019Jun69.3°F69.6°F-0.4°NCLIMGRID
2019Jul75.2°F75.5°F-0.3°NCLIMGRID
2019Aug69.9°F72.8°F-2.9°NCLIMGRID
2019Sep66.5°F62.8°F+3.7°NCLIMGRID
2019Oct43.8°F49.3°F-5.5°NCLIMGRID
2019Nov32.9°F33.4°F-0.5°NCLIMGRID
2019Dec24.5°F20.5°F+4.0°NCLIMGRID
2020Jan19.7°F16.2°F+3.5°NCLIMGRID
2020Feb25.4°F22.7°F+2.7°NCLIMGRID
2020Mar38.8°F34.6°F+4.2°NCLIMGRID
2020Apr44.9°F48.3°F-3.4°NCLIMGRID
2020May56.0°F59.4°F-3.4°NCLIMGRID
2020Jun73.9°F69.6°F+4.2°NCLIMGRID
2020Jul75.0°F75.5°F-0.5°NCLIMGRID
2020Aug73.0°F72.8°F+0.2°NCLIMGRID
2020Sep62.6°F62.8°F-0.3°NCLIMGRID
2020Oct43.8°F49.3°F-5.5°NCLIMGRID
2020Nov39.8°F33.4°F+6.5°NCLIMGRID
2020Dec28.0°F20.5°F+7.5°NCLIMGRID
2021Jan26.7°F16.2°F+10.6°NCLIMGRID
2021Feb14.2°F22.7°F-8.5°NCLIMGRID
2021Mar41.2°F34.6°F+6.6°NCLIMGRID
2021Apr46.2°F48.3°F-2.1°NCLIMGRID
2021May58.1°F59.4°F-1.3°NCLIMGRID
2021Jun73.7°F69.6°F+4.0°NCLIMGRID
2021Jul74.8°F75.5°F-0.7°NCLIMGRID
2021Aug74.5°F72.8°F+1.7°NCLIMGRID
2021Sep66.6°F62.8°F+3.8°NCLIMGRID
2021Oct53.2°F49.3°F+3.9°NCLIMGRID
2021Nov39.5°F33.4°F+6.1°NCLIMGRID
2021Dec28.0°F20.5°F+7.6°NCLIMGRID
2022Jan19.7°F16.2°F+3.5°NCLIMGRID
2022Feb21.5°F22.7°F-1.2°NCLIMGRID
2022Mar35.0°F34.6°F+0.3°NCLIMGRID
2022Apr43.6°F48.3°F-4.6°NCLIMGRID
2022May58.7°F59.4°F-0.8°NCLIMGRID
2022Jun70.6°F69.6°F+1.0°NCLIMGRID
2022Jul76.6°F75.5°F+1.2°NCLIMGRID
2022Aug73.9°F72.8°F+1.1°NCLIMGRID
2022Sep66.5°F62.8°F+3.7°NCLIMGRID
2022Oct51.0°F49.3°F+1.7°NCLIMGRID
2022Nov32.4°F33.4°F-1.0°NCLIMGRID
2022Dec17.2°F20.5°F-3.2°NCLIMGRID
2023Jan18.2°F16.2°F+2.1°NCLIMGRID
2023Feb20.4°F22.7°F-2.3°NCLIMGRID
2023Mar27.0°F34.6°F-7.6°NCLIMGRID
2023Apr46.6°F48.3°F-1.7°NCLIMGRID
2023May63.4°F59.4°F+3.9°NCLIMGRID
2023Jun72.4°F69.6°F+2.8°NCLIMGRID
2023Jul72.2°F75.5°F-3.2°NCLIMGRID
2023Aug73.7°F72.8°F+0.8°NCLIMGRID
2023Sep67.3°F62.8°F+4.5°NCLIMGRID
2023Oct50.6°F49.3°F+1.3°NCLIMGRID
2023Nov38.7°F33.4°F+5.3°NCLIMGRID
2023Dec32.1°F20.5°F+11.6°NCLIMGRID
2024Jan15.7°F16.2°F-0.5°NCLIMGRID
2024Feb34.3°F22.7°F+11.7°NCLIMGRID
2024Mar37.6°F34.6°F+3.0°NCLIMGRID
2024Apr48.2°F48.3°F-0.1°NCLIMGRID
2024May59.2°F59.4°F-0.2°NCLIMGRID
2024Jun69.5°F69.6°F-0.2°NCLIMGRID
2024Jul73.2°F75.5°F-2.2°NCLIMGRID
2024Aug71.4°F72.8°F-1.4°NCLIMGRID
2024Sep68.5°F62.8°F+5.7°NCLIMGRID
2024Oct55.2°F49.3°F+5.9°NCLIMGRID
2024Nov36.9°F33.4°F+3.5°NCLIMGRID
2024Dec26.7°F20.5°F+6.3°NCLIMGRID
2025Jan18.3°F16.2°F+2.1°NCLIMGRID
2025Feb18.1°F22.7°F-4.6°NCLIMGRID
2025Mar41.4°F34.6°F+6.7°NCLIMGRID
2025Apr47.3°F48.3°F-1.0°NCLIMGRID
2025May59.0°F59.4°F-0.5°NCLIMGRID
2025Jun71.1°F69.6°F+1.5°NCLIMGRID
2025Jul74.8°F75.5°F-0.6°NCLIMGRID
2025Aug71.6°F72.8°F-1.2°NCLIMGRID
2025Sep66.5°F62.8°F+3.7°NCLIMGRID
2025Oct55.2°F49.3°F+5.9°NCLIMGRID
2025Nov38.9°F33.4°F+5.6°NCLIMGRID
2025Dec25.4°F20.5°F+4.9°NCLIMGRID
2026Jan21.8°F16.2°F+5.6°NCLIMGRID
2026Feb34.3°F22.7°F+11.7°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
January16.2°F26/26
February22.7°F26/26
March34.6°F26/26
April48.3°F26/26
May59.4°F26/26
June69.6°F26/26
July75.5°F26/26
August72.8°F26/26
September62.8°F26/26
October49.3°F26/26
November33.4°F26/26
December20.5°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 Delmont, South Dakota getting warmer?

Based on 96+ years of NOAA temperature records, Delmont has changed at a rate of approximately 0.07°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 Delmont?

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

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

How are the climate visualizations for Delmont created?

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

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

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

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