Climate Change in Glen Ullin, North Dakota

96+ years of recorded temperature data show Glen Ullin is changing.

Based on our analysis of 96 years of temperature data near Glen Ullin, ND, this area shows relatively stable temperatures of approximately +0.2°F per decade. 7 of the last 10 years recorded above-average temperatures, and 1987 was the warmest year on record at +4.4°F above the historical baseline.

Key Climate Facts

Rate of Change

+0.2°F

per decade

Warmest Year

1987

+4.4°F anomaly

Recent Warm Years

7 / 10

above-average years

Decade Shift

+0.9°F

2020s vs 1930s

Compared to the National Average

Glen Ullin is warming at roughly the national average rate.

National: +0.20°F/decade
Glen Ullin: +0.17°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 Glen Ullin's long-term warming trend.

Temperature anomaly spiral for Glen Ullin, North Dakota
Climate spiral: monthly temperature anomalies from 96+ years of NOAA records for Glen Ullin, ND.

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 Glen Ullin, North Dakota
Warming stripes: each stripe is one year of average temperature anomaly for Glen Ullin, ND.

Temperature Trend

Annual temperature anomalies plotted over time with a linear regression trend line. The slope of +0.17°F per decade quantifies the rate of change.

Temperature trend chart for Glen Ullin, North Dakota
Linear trend: annual temperature anomalies with trend line for Glen Ullin, ND.

Temperature by Decade

1930s
+0.61°F
1940s
-0.30°F
1950s
-1.06°F
1960s
-0.57°F
1970s
-0.89°F
1980s
+0.91°F
1990s
+0.63°F
2000s
+1.11°F
2010s
+0.55°F
2020s
+1.77°F

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

Anomaly Scale

-7.9°F Colder Normal +9.0°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 Glen Ullin, ND. Filter by decade or download as CSV.

Data Sources & Audit

Station
nClimGrid 5km Grid Point
Distance
0.7 mi
Coverage
99.1%
Records
1,154
Range
1930-01 – 2026-02
Full Data Audit 1,154 records
YearMonthTempBaselineAnomalySourceGap
1930Jan-3.2°F9.9°F-13.0°NCLIMGRID
1930Feb22.3°F16.9°F+5.4°NCLIMGRID
1930Mar25.9°F28.6°F-2.7°NCLIMGRID
1930Apr48.5°F42.3°F+6.2°NCLIMGRID
1930May50.5°F54.4°F-3.9°NCLIMGRID
1930Jun63.1°F63.6°F-0.5°NCLIMGRID
1930Jul73.9°F69.9°F+4.0°NCLIMGRID
1930Aug71.4°F68.0°F+3.4°NCLIMGRID
1930Sep56.4°F57.1°F-0.7°NCLIMGRID
1930Oct39.6°F44.1°F-4.5°NCLIMGRID
1930Nov29.4°F27.4°F+2.0°NCLIMGRID
1930Dec21.2°F14.8°F+6.4°NCLIMGRID
1931Jan23.9°F9.9°F+14.0°NCLIMGRID
1931Feb28.5°F16.9°F+11.7°NCLIMGRID
1931Mar25.3°F28.6°F-3.3°NCLIMGRID
1931Apr44.1°F42.3°F+1.8°NCLIMGRID
1931May53.5°F54.4°F-0.9°NCLIMGRID
1931Jun68.6°F63.6°F+5.0°NCLIMGRID
1931Jul71.1°F69.9°F+1.2°NCLIMGRID
1931Aug66.4°F68.0°F-1.7°NCLIMGRID
1931Sep61.3°F57.1°F+4.2°NCLIMGRID
1931Oct46.7°F44.1°F+2.6°NCLIMGRID
1931Nov29.0°F27.4°F+1.6°NCLIMGRID
1931Dec21.1°F14.8°F+6.3°NCLIMGRID
1932Jan9.1°F9.9°F-0.8°NCLIMGRID
1932Feb14.6°F16.9°F-2.3°NCLIMGRID
1932Mar19.8°F28.6°F-8.8°NCLIMGRID
1932Apr46.0°F42.3°F+3.7°NCLIMGRID
1932May56.4°F54.4°F+2.0°NCLIMGRID
1932Jun66.6°F63.6°F+3.0°NCLIMGRID
1932Jul71.9°F69.9°F+2.0°NCLIMGRID
1932Aug69.0°F68.0°F+1.0°NCLIMGRID
1932Sep58.0°F57.1°F+0.8°NCLIMGRID
1932Oct38.0°F44.1°F-6.1°NCLIMGRID
1932Nov26.8°F27.4°F-0.6°NCLIMGRID
1932Dec13.8°F14.8°F-1.0°NCLIMGRID
1933Jan13.7°F9.9°F+3.9°NCLIMGRID
1933Feb9.2°F16.9°F-7.7°NCLIMGRID
1933Mar31.1°F28.6°F+2.5°NCLIMGRID
1933Apr40.6°F42.3°F-1.7°NCLIMGRID
1933May53.3°F54.4°F-1.1°NCLIMGRID
1933Jun72.5°F63.6°F+8.9°NCLIMGRID
1933Jul73.6°F69.9°F+3.7°NCLIMGRID
1933Aug68.3°F68.0°F+0.3°NCLIMGRID
1933Sep61.1°F57.1°F+4.0°NCLIMGRID
1933Oct43.1°F44.1°F-0.9°NCLIMGRID
1933Nov29.8°F27.4°F+2.4°NCLIMGRID
1933Dec12.4°F14.8°F-2.4°NCLIMGRID
1934Jan19.1°F9.9°F+9.2°NCLIMGRID
1934Feb22.5°F16.9°F+5.6°NCLIMGRID
1934Mar26.9°F28.6°F-1.7°NCLIMGRID
1934Apr44.5°F42.3°F+2.2°NCLIMGRID
1934May64.6°F54.4°F+10.1°NCLIMGRID
1934Jun65.0°F63.6°F+1.4°NCLIMGRID
1934Jul73.5°F69.9°F+3.6°NCLIMGRID
1934Aug69.7°F68.0°F+1.7°NCLIMGRID
1934Sep52.9°F57.1°F-4.2°NCLIMGRID
1934Oct49.5°F44.1°F+5.4°NCLIMGRID
1934Nov34.5°F27.4°F+7.1°NCLIMGRID
1934Dec15.0°F14.8°F+0.2°NCLIMGRID
1935Jan8.4°F9.9°F-1.5°NCLIMGRID
1935Feb27.0°F16.9°F+10.1°NCLIMGRID
1935Mar28.0°F28.6°F-0.6°NCLIMGRID
1935Apr38.6°F42.3°F-3.7°NCLIMGRID
1935May48.5°F54.4°F-5.9°NCLIMGRID
1935Jun61.2°F63.6°F-2.5°NCLIMGRID
1935Jul74.1°F69.9°F+4.2°NCLIMGRID
1935Aug67.5°F68.0°F-0.5°NCLIMGRID
1935Sep58.3°F57.1°F+1.2°NCLIMGRID
1935Oct43.5°F44.1°F-0.5°NCLIMGRID
1935Nov19.7°F27.4°F-7.7°NCLIMGRID
1935Dec15.9°F14.8°F+1.1°NCLIMGRID
1936Jan-3.1°F9.9°F-13.0°NCLIMGRID
1936Feb-13.9°F16.9°F-30.8°NCLIMGRID
1936Mar26.9°F28.6°F-1.7°NCLIMGRID
1936Apr36.5°F42.3°F-5.7°NCLIMGRID
1936May60.6°F54.4°F+6.2°NCLIMGRID
1936Jun68.6°F63.6°F+5.0°NCLIMGRID
1936Jul81.8°F69.9°F+11.9°NCLIMGRID
1936Aug69.9°F68.0°F+1.9°NCLIMGRID
1936Sep60.9°F57.1°F+3.8°NCLIMGRID
1936Oct43.6°F44.1°F-0.5°NCLIMGRID
1936Nov29.8°F27.4°F+2.4°NCLIMGRID
1936Dec14.6°F14.8°F-0.2°NCLIMGRID
1937Jan-9.3°F9.9°F-19.2°NCLIMGRID
1937Feb8.1°F16.9°F-8.8°NCLIMGRID
1937Mar26.9°F28.6°F-1.7°NCLIMGRID
1937Apr41.2°F42.3°F-1.1°NCLIMGRID
1937May57.5°F54.4°F+3.1°NCLIMGRID
1937Jun62.8°F63.6°F-0.8°NCLIMGRID
1937Jul72.1°F69.9°F+2.3°NCLIMGRID
1937Aug74.0°F68.0°F+6.0°NCLIMGRID
1937Sep59.3°F57.1°F+2.1°NCLIMGRID
1937Oct45.1°F44.1°F+1.0°NCLIMGRID
1937Nov24.7°F27.4°F-2.7°NCLIMGRID
1937Dec12.9°F14.8°F-1.9°NCLIMGRID
1938Jan12.4°F9.9°F+2.5°NCLIMGRID
1938Feb7.0°F16.9°F-9.8°NCLIMGRID
1938Mar31.8°F28.6°F+3.2°NCLIMGRID
1938Apr43.6°F42.3°F+1.3°NCLIMGRID
1938May52.0°F54.4°F-2.5°NCLIMGRID
1938Jun65.4°F63.6°F+1.8°NCLIMGRID
1938Jul69.8°F69.9°F-0.1°NCLIMGRID
1938Aug69.9°F68.0°F+1.9°NCLIMGRID
1938Sep62.5°F57.1°F+5.4°NCLIMGRID
1938Oct51.4°F44.1°F+7.3°NCLIMGRID
1938Nov24.3°F27.4°F-3.1°NCLIMGRID
1938Dec20.5°F14.8°F+5.6°NCLIMGRID
1939Jan19.6°F9.9°F+9.7°NCLIMGRID
1939Feb1.6°F16.9°F-15.3°NCLIMGRID
1939Mar25.9°F28.6°F-2.7°NCLIMGRID
1939Apr42.7°F42.3°F+0.4°NCLIMGRID
1939May60.4°F54.4°F+6.0°NCLIMGRID
1939Jun59.7°F63.6°F-4.0°NCLIMGRID
1939Jul73.1°F69.9°F+3.2°NCLIMGRID
1939Aug68.8°F68.0°F+0.8°NCLIMGRID
1939Sep59.8°F57.1°F+2.6°NCLIMGRID
1939Oct42.1°F44.1°F-1.9°NCLIMGRID
1939Nov35.2°F27.4°F+7.8°NCLIMGRID
1939Dec26.9°F14.8°F+12.1°NCLIMGRID
1940Jan3.1°F9.9°F-6.8°NCLIMGRID
1940Feb14.8°F16.9°F-2.1°NCLIMGRID
1940Mar25.8°F28.6°F-2.8°NCLIMGRID
1940Apr38.3°F42.3°F-4.0°NCLIMGRID
1940May55.1°F54.4°F+0.6°NCLIMGRID
1940Jun63.8°F63.6°F+0.1°NCLIMGRID
1940Jul72.5°F69.9°F+2.6°NCLIMGRID
1940Aug68.4°F68.0°F+0.4°NCLIMGRID
1940Sep63.1°F57.1°F+6.0°NCLIMGRID
1940Oct49.9°F44.1°F+5.8°NCLIMGRID
1940Nov20.8°F27.4°F-6.6°NCLIMGRID
1940Dec22.2°F14.8°F+7.4°NCLIMGRID
1941Jan12.6°F9.9°F+2.7°NCLIMGRID
1941Feb15.7°F16.9°F-1.1°NCLIMGRID
1941Mar26.5°F28.6°F-2.0°NCLIMGRID
1941Apr43.1°F42.3°F+0.8°NCLIMGRID
1941May58.9°F54.4°F+4.5°NCLIMGRID
1941Jun63.9°F63.6°F+0.2°NCLIMGRID
1941Jul71.5°F69.9°F+1.6°NCLIMGRID
1941Aug68.2°F68.0°F+0.2°NCLIMGRID
1941Sep55.2°F57.1°F-2.0°NCLIMGRID
1941Oct44.0°F44.1°F-0.1°NCLIMGRID
1941Nov30.9°F27.4°F+3.5°NCLIMGRID
1941Dec24.9°F14.8°F+10.1°NCLIMGRID
1942Jan19.2°F9.9°F+9.3°NCLIMGRID
1942Feb15.6°F16.9°F-1.3°NCLIMGRID
1942Mar29.3°F28.6°F+0.7°NCLIMGRID
1942Apr45.6°F42.3°F+3.3°NCLIMGRID
1942May49.5°F54.4°F-5.0°NCLIMGRID
1942Jun59.9°F63.6°F-3.8°NCLIMGRID
1942Jul67.6°F69.9°F-2.3°NCLIMGRID
1942Aug66.5°F68.0°F-1.5°NCLIMGRID
1942Sep54.5°F57.1°F-2.7°NCLIMGRID
1942Oct46.6°F44.1°F+2.5°NCLIMGRID
1942Nov29.2°F27.4°F+1.8°NCLIMGRID
1942Dec14.8°F14.8°F+0.0°NCLIMGRID
1943Jan-0.8°F9.9°F-10.7°NCLIMGRID
1943Feb18.4°F16.9°F+1.6°NCLIMGRID
1943Mar18.2°F28.6°F-10.4°NCLIMGRID
1943Apr46.2°F42.3°F+3.9°NCLIMGRID
1943May50.3°F54.4°F-4.1°NCLIMGRID
1943Jun59.7°F63.6°F-4.0°NCLIMGRID
1943Jul70.3°F69.9°F+0.5°NCLIMGRID
1943Aug67.8°F68.0°F-0.3°NCLIMGRID
1943Sep55.9°F57.1°F-1.2°NCLIMGRID
1943Oct48.4°F44.1°F+4.3°NCLIMGRID
1943Nov27.6°F27.4°F+0.1°NCLIMGRID
1943Dec22.8°F14.8°F+8.0°NCLIMGRID
1944Jan23.1°F9.9°F+13.2°NCLIMGRID
1944Feb12.8°F16.9°F-4.0°NCLIMGRID
1944Mar16.0°F28.6°F-12.6°NCLIMGRID
1944Apr40.9°F42.3°F-1.4°NCLIMGRID
1944May58.3°F54.4°F+3.9°NCLIMGRID
1944Jun60.7°F63.6°F-3.0°NCLIMGRID
1944Jul67.0°F69.9°F-2.8°NCLIMGRID
1944Aug65.6°F68.0°F-2.5°NCLIMGRID
1944Sep56.2°F57.1°F-0.9°NCLIMGRID
1944Oct49.6°F44.1°F+5.5°NCLIMGRID
1944Nov23.5°F27.4°F-4.0°NCLIMGRID
1944Dec17.0°F14.8°F+2.1°NCLIMGRID
1945Jan14.6°F9.9°F+4.7°NCLIMGRID
1945Feb17.3°F16.9°F+0.4°NCLIMGRID
1945Mar33.3°F28.6°F+4.7°NCLIMGRID
1945Apr38.4°F42.3°F-3.9°NCLIMGRID
1945May48.8°F54.4°F-5.6°NCLIMGRID
1945Jun56.2°F63.6°F-7.4°NCLIMGRID
1945Jul68.1°F69.9°F-1.7°NCLIMGRID
1945Aug66.8°F68.0°F-1.2°NCLIMGRID
1945Sep54.1°F57.1°F-3.1°NCLIMGRID
1945Oct46.3°F44.1°F+2.2°NCLIMGRID
1945Nov22.1°F27.4°F-5.3°NCLIMGRID
1945Dec9.3°F14.8°F-5.5°NCLIMGRID
1946Jan15.7°F9.9°F+5.8°NCLIMGRID
1946Feb15.1°F16.9°F-1.7°NCLIMGRID
1946Mar37.0°F28.6°F+8.4°NCLIMGRID
1946Apr49.2°F42.3°F+6.9°NCLIMGRID
1946May49.7°F54.4°F-4.8°NCLIMGRID
1946Jun62.9°F63.6°F-0.7°NCLIMGRID
1946Jul71.1°F69.9°F+1.2°NCLIMGRID
1946Aug65.1°F68.0°F-2.9°NCLIMGRID
1946Sep56.4°F57.1°F-0.8°NCLIMGRID
1946Oct39.0°F44.1°F-5.1°NCLIMGRID
1946Nov26.4°F27.4°F-1.0°NCLIMGRID
1946Dec16.7°F14.8°F+1.9°NCLIMGRID
1947Jan17.0°F9.9°F+7.1°NCLIMGRID
1947Feb11.3°F16.9°F-5.5°NCLIMGRID
1947Mar22.4°F28.6°F-6.1°NCLIMGRID
1947Apr39.9°F42.3°F-2.4°NCLIMGRID
1947May50.1°F54.4°F-4.3°NCLIMGRID
1947Jun58.9°F63.6°F-4.7°NCLIMGRID
1947Jul70.2°F69.9°F+0.4°NCLIMGRID
1947Aug71.1°F68.0°F+3.1°NCLIMGRID
1947Sep56.1°F57.1°F-1.0°NCLIMGRID
1947Oct50.6°F44.1°F+6.6°NCLIMGRID
1947Nov23.3°F27.4°F-4.1°NCLIMGRID
1947Dec18.2°F14.8°F+3.4°NCLIMGRID
1948Jan13.8°F9.9°F+3.9°NCLIMGRID
1948Feb10.3°F16.9°F-6.6°NCLIMGRID
1948Mar19.3°F28.6°F-9.3°NCLIMGRID
1948Apr43.7°F42.3°F+1.5°NCLIMGRID
1948May54.9°F54.4°F+0.4°NCLIMGRID
1948Jun61.8°F63.6°F-1.8°NCLIMGRID
1948Jul68.9°F69.9°F-1.0°NCLIMGRID
1948Aug69.4°F68.0°F+1.3°NCLIMGRID
1948Sep64.7°F57.1°F+7.5°NCLIMGRID
1948Oct45.9°F44.1°F+1.8°NCLIMGRID
1948Nov29.6°F27.4°F+2.2°NCLIMGRID
1948Dec12.6°F14.8°F-2.2°NCLIMGRID
1949Jan0.7°F9.9°F-9.2°NCLIMGRID
1949Feb3.6°F16.9°F-13.2°NCLIMGRID
1949Mar22.6°F28.6°F-6.0°NCLIMGRID
1949Apr47.9°F42.3°F+5.6°NCLIMGRID
1949May56.8°F54.4°F+2.4°NCLIMGRID
1949Jun63.7°F63.6°F+0.1°NCLIMGRID
1949Jul69.9°F69.9°F+0.0°NCLIMGRID
1949Aug70.9°F68.0°F+2.9°NCLIMGRID
1949Sep56.3°F57.1°F-0.8°NCLIMGRID
1949Oct42.9°F44.1°F-1.2°NCLIMGRID
1949Nov39.1°F27.4°F+11.7°NCLIMGRID
1949Dec9.9°F14.8°F-5.0°NCLIMGRID
1950Jan-9.3°F9.9°F-19.2°NCLIMGRID
1950Feb11.4°F16.9°F-5.5°NCLIMGRID
1950Mar19.0°F28.6°F-9.6°NCLIMGRID
1950Apr31.0°F42.3°F-11.3°NCLIMGRID
1950May48.4°F54.4°F-6.0°NCLIMGRID
1950Jun61.0°F63.6°F-2.6°NCLIMGRID
1950Jul65.4°F69.9°F-4.4°NCLIMGRID
1950Aug64.6°F68.0°F-3.4°NCLIMGRID
1950Sep56.9°F57.1°F-0.2°NCLIMGRID
1950Oct47.4°F44.1°F+3.4°NCLIMGRID
1950Nov21.3°F27.4°F-6.1°NCLIMGRID
1950Dec12.7°F14.8°F-2.2°NCLIMGRID
1951Jan5.3°F9.9°F-4.6°NCLIMGRID
1951Feb14.4°F16.9°F-2.5°NCLIMGRID
1951Mar12.3°F28.6°F-16.3°NCLIMGRID
1951Apr38.5°F42.3°F-3.8°NCLIMGRID
1951May55.4°F54.4°F+0.9°NCLIMGRID
1951Jun57.6°F63.6°F-6.0°NCLIMGRID
1951Jul67.7°F69.9°F-2.1°NCLIMGRID
1951Aug63.4°F68.0°F-4.6°NCLIMGRID
1951Sep52.9°F57.1°F-4.2°NCLIMGRID
1951Oct41.2°F44.1°F-2.9°NCLIMGRID
1951Nov22.4°F27.4°F-5.0°NCLIMGRID
1951Dec6.3°F14.8°F-8.5°NCLIMGRID
1952Jan4.6°F9.9°F-5.3°NCLIMGRID
1952Feb18.7°F16.9°F+1.8°NCLIMGRID
1952Mar16.4°F28.6°F-12.2°NCLIMGRID
1952Apr47.8°F42.3°F+5.5°NCLIMGRID
1952May55.6°F54.4°F+1.2°NCLIMGRID
1952Jun65.9°F63.6°F+2.3°NCLIMGRID
1952Jul67.7°F69.9°F-2.2°NCLIMGRID
1952Aug67.9°F68.0°F-0.2°NCLIMGRID
1952Sep62.2°F57.1°F+5.1°NCLIMGRID
1952Oct44.4°F44.1°F+0.3°NCLIMGRID
1952Nov29.9°F27.4°F+2.5°NCLIMGRID
1952Dec23.2°F14.8°F+8.4°NCLIMGRID
1953Jan18.7°F9.9°F+8.8°NCLIMGRID
1953Feb21.8°F16.9°F+4.9°NCLIMGRID
1953Mar27.4°F28.6°F-1.2°NCLIMGRID
1953Apr35.2°F42.3°F-7.0°NCLIMGRID
1953May49.9°F54.4°F-4.5°NCLIMGRID
1953Jun61.9°F63.6°F-1.8°NCLIMGRID
1953Jul67.1°F69.9°F-2.8°NCLIMGRID
1953Aug68.0°F68.0°F+0.0°NCLIMGRID
1953Sep57.7°F57.1°F+0.6°NCLIMGRID
1953Oct51.7°F44.1°F+7.6°NCLIMGRID
1953Nov35.9°F27.4°F+8.5°NCLIMGRID
1953Dec23.5°F14.8°F+8.7°NCLIMGRID
1954Jan2.5°F9.9°F-7.4°NCLIMGRID
1954Feb34.0°F16.9°F+17.1°NCLIMGRID
1954Mar22.0°F28.6°F-6.6°NCLIMGRID
1954Apr38.9°F42.3°F-3.4°NCLIMGRID
1954May50.8°F54.4°F-3.6°NCLIMGRID
1954Jun60.3°F63.6°F-3.3°NCLIMGRID
1954Jul71.5°F69.9°F+1.6°NCLIMGRID
1954Aug66.3°F68.0°F-1.7°NCLIMGRID
1954Sep55.1°F57.1°F-2.1°NCLIMGRID
1954Oct43.0°F44.1°F-1.0°NCLIMGRID
1954Nov36.0°F27.4°F+8.6°NCLIMGRID
1954Dec25.6°F14.8°F+10.8°NCLIMGRID
1955Jan14.5°F9.9°F+4.6°NCLIMGRID
1955Feb9.4°F16.9°F-7.5°NCLIMGRID
1955Mar23.4°F28.6°F-5.2°NCLIMGRID
1955Apr48.2°F42.3°F+6.0°NCLIMGRID
1955May57.6°F54.4°F+3.2°NCLIMGRID
1955Jun60.4°F63.6°F-3.2°NCLIMGRID
1955Jul70.7°F69.9°F+0.8°NCLIMGRID
1955Aug71.7°F68.0°F+3.7°NCLIMGRID
1955Sep57.1°F57.1°F+0.0°NCLIMGRID
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1984Jan16.7°F9.9°F+6.8°NCLIMGRID
1984Feb30.4°F16.9°F+13.5°NCLIMGRID
1984Mar26.7°F28.6°F-1.9°NCLIMGRID
1984Apr42.4°F42.3°F+0.1°NCLIMGRID
1984May52.9°F54.4°F-1.6°NCLIMGRID
1984Jun63.3°F63.6°F-0.3°NCLIMGRID
1984Jul70.0°F69.9°F+0.2°NCLIMGRID
1984Aug72.1°F68.0°F+4.0°NCLIMGRID
1984Sep52.1°F57.1°F-5.0°NCLIMGRID
1984Oct43.7°F44.1°F-0.4°NCLIMGRID
1984Nov28.5°F27.4°F+1.0°NCLIMGRID
1984Dec8.3°F14.8°F-6.5°NCLIMGRID
1985Jan8.4°F9.9°F-1.5°NCLIMGRID
1985Feb14.7°F16.9°F-2.2°NCLIMGRID
1985Mar31.2°F28.6°F+2.7°NCLIMGRID
1985Apr47.3°F42.3°F+5.0°NCLIMGRID
1985May59.3°F54.4°F+4.9°NCLIMGRID
1985Jun58.8°F63.6°F-4.8°NCLIMGRID
1985Jul70.7°F69.9°F+0.8°NCLIMGRID
1985Aug63.7°F68.0°F-4.3°NCLIMGRID
1985Sep52.9°F57.1°F-4.2°NCLIMGRID
1985Oct43.3°F44.1°F-0.8°NCLIMGRID
1985Nov14.7°F27.4°F-12.7°NCLIMGRID
1985Dec10.0°F14.8°F-4.8°NCLIMGRID
1986Jan21.9°F9.9°F+12.1°NCLIMGRID
1986Feb13.2°F16.9°F-3.7°NCLIMGRID
1986Mar38.8°F28.6°F+10.2°NCLIMGRID
1986Apr41.3°F42.3°F-0.9°NCLIMGRID
1986May54.5°F54.4°F+0.1°NCLIMGRID
1986Jun66.6°F63.6°F+3.0°NCLIMGRID
1986Jul67.7°F69.9°F-2.2°NCLIMGRID
1986Aug65.7°F68.0°F-2.3°NCLIMGRID
1986Sep52.5°F57.1°F-4.6°NCLIMGRID
1986Oct45.7°F44.1°F+1.6°NCLIMGRID
1986Nov22.8°F27.4°F-4.7°NCLIMGRID
1986Dec23.6°F14.8°F+8.8°NCLIMGRID
1987Jan22.9°F9.9°F+13.0°NCLIMGRID
1987Feb28.1°F16.9°F+11.2°NCLIMGRID
1987Mar28.5°F28.6°F-0.1°NCLIMGRID
1987Apr50.8°F42.3°F+8.5°NCLIMGRID
1987May59.3°F54.4°F+4.8°NCLIMGRID
1987Jun67.4°F63.6°F+3.8°NCLIMGRID
1987Jul70.0°F69.9°F+0.1°NCLIMGRID
1987Aug64.2°F68.0°F-3.8°NCLIMGRID
1987Sep58.0°F57.1°F+0.9°NCLIMGRID
1987Oct41.7°F44.1°F-2.4°NCLIMGRID
1987Nov34.9°F27.4°F+7.5°NCLIMGRID
1987Dec23.9°F14.8°F+9.1°NCLIMGRID
1988Jan10.5°F9.9°F+0.6°NCLIMGRID
1988Feb14.9°F16.9°F-1.9°NCLIMGRID
1988Mar30.5°F28.6°F+2.0°NCLIMGRID
1988Apr45.4°F42.3°F+3.1°NCLIMGRID
1988May59.8°F54.4°F+5.4°NCLIMGRID
1988Jun75.4°F63.6°F+11.8°NCLIMGRID
1988Jul72.3°F69.9°F+2.4°NCLIMGRID
1988Aug69.7°F68.0°F+1.7°NCLIMGRID
1988Sep55.4°F57.1°F-1.7°NCLIMGRID
1988Oct44.0°F44.1°F-0.1°NCLIMGRID
1988Nov29.0°F27.4°F+1.6°NCLIMGRID
1988Dec19.0°F14.8°F+4.2°NCLIMGRID
1989Jan17.0°F9.9°F+7.1°NCLIMGRID
1989Feb5.3°F16.9°F-11.6°NCLIMGRID
1989Mar24.6°F28.6°F-4.0°NCLIMGRID
1989Apr43.2°F42.3°F+0.9°NCLIMGRID
1989May55.4°F54.4°F+1.0°NCLIMGRID
1989Jun62.3°F63.6°F-1.3°NCLIMGRID
1989Jul74.5°F69.9°F+4.6°NCLIMGRID
1989Aug69.3°F68.0°F+1.3°NCLIMGRID
1989Sep57.3°F57.1°F+0.2°NCLIMGRID
1989Oct45.7°F44.1°F+1.6°NCLIMGRID
1989Nov29.3°F27.4°F+1.9°NCLIMGRID
1989Dec10.2°F14.8°F-4.6°NCLIMGRID
1990Jan24.2°F9.9°F+14.3°NCLIMGRID
1990Feb20.7°F16.9°F+3.9°NCLIMGRID
1990Mar34.1°F28.6°F+5.5°NCLIMGRID
1990Apr43.8°F42.3°F+1.5°NCLIMGRID
1990May53.4°F54.4°F-1.0°NCLIMGRID
1990Jun64.5°F63.6°F+0.9°NCLIMGRID
1990Jul69.4°F69.9°F-0.5°NCLIMGRID
1990Aug71.1°F68.0°F+3.1°NCLIMGRID
1990Sep62.0°F57.1°F+4.8°NCLIMGRID
1990Oct43.8°F44.1°F-0.2°NCLIMGRID
1990Nov32.2°F27.4°F+4.8°NCLIMGRID
1990Dec10.2°F14.8°F-4.6°NCLIMGRID
1991Jan8.8°F9.9°F-1.1°NCLIMGRID
1991Feb29.1°F16.9°F+12.2°NCLIMGRID
1991Mar32.5°F28.6°F+3.9°NCLIMGRID
1991Apr45.1°F42.3°F+2.8°NCLIMGRID
1991May55.7°F54.4°F+1.3°NCLIMGRID
1991Jun65.7°F63.6°F+2.1°NCLIMGRID
1991Jul70.2°F69.9°F+0.3°NCLIMGRID
1991Aug72.1°F68.0°F+4.1°NCLIMGRID
1991Sep57.9°F57.1°F+0.8°NCLIMGRID
1991Oct39.9°F44.1°F-4.2°NCLIMGRID
1991Nov23.6°F27.4°F-3.8°NCLIMGRID
1991Dec24.9°F14.8°F+10.0°NCLIMGRID
1992Jan24.6°F9.9°F+14.8°NCLIMGRID
1992Feb27.6°F16.9°F+10.8°NCLIMGRID
1992Mar35.5°F28.6°F+6.9°NCLIMGRID
1992Apr41.4°F42.3°F-0.9°NCLIMGRID
1992May57.6°F54.4°F+3.2°NCLIMGRID
1992Jun61.6°F63.6°F-2.0°NCLIMGRID
1992Jul61.8°F69.9°F-8.0°NCLIMGRID
1992Aug62.9°F68.0°F-5.1°NCLIMGRID
1992Sep56.1°F57.1°F-1.0°NCLIMGRID
1992Oct43.8°F44.1°F-0.3°NCLIMGRID
1992Nov27.1°F27.4°F-0.3°NCLIMGRID
1992Dec13.4°F14.8°F-1.5°NCLIMGRID
1993Jan7.3°F9.9°F-2.6°NCLIMGRID
1993Feb11.6°F16.9°F-5.3°NCLIMGRID
1993Mar32.9°F28.6°F+4.3°NCLIMGRID
1993Apr41.5°F42.3°F-0.8°NCLIMGRID
1993May54.2°F54.4°F-0.2°NCLIMGRID
1993Jun58.5°F63.6°F-5.1°NCLIMGRID
1993Jul61.7°F69.9°F-8.2°NCLIMGRID
1993Aug64.1°F68.0°F-3.9°NCLIMGRID
1993Sep52.7°F57.1°F-4.5°NCLIMGRID
1993Oct42.5°F44.1°F-1.5°NCLIMGRID
1993Nov25.4°F27.4°F-2.0°NCLIMGRID
1993Dec18.7°F14.8°F+3.8°NCLIMGRID
1994Jan1.9°F9.9°F-8.0°NCLIMGRID
1994Feb5.3°F16.9°F-11.6°NCLIMGRID
1994Mar31.9°F28.6°F+3.3°NCLIMGRID
1994Apr42.7°F42.3°F+0.5°NCLIMGRID
1994May57.7°F54.4°F+3.3°NCLIMGRID
1994Jun63.1°F63.6°F-0.5°NCLIMGRID
1994Jul66.4°F69.9°F-3.5°NCLIMGRID
1994Aug66.9°F68.0°F-1.2°NCLIMGRID
1994Sep60.1°F57.1°F+2.9°NCLIMGRID
1994Oct46.4°F44.1°F+2.4°NCLIMGRID
1994Nov29.6°F27.4°F+2.1°NCLIMGRID
1994Dec20.4°F14.8°F+5.6°NCLIMGRID
1995Jan11.8°F9.9°F+2.0°NCLIMGRID
1995Feb23.8°F16.9°F+6.9°NCLIMGRID
1995Mar26.3°F28.6°F-2.2°NCLIMGRID
1995Apr37.1°F42.3°F-5.2°NCLIMGRID
1995May50.9°F54.4°F-3.6°NCLIMGRID
1995Jun65.1°F63.6°F+1.4°NCLIMGRID
1995Jul67.5°F69.9°F-2.4°NCLIMGRID
1995Aug70.6°F68.0°F+2.6°NCLIMGRID
1995Sep56.8°F57.1°F-0.4°NCLIMGRID
1995Oct44.2°F44.1°F+0.2°NCLIMGRID
1995Nov25.3°F27.4°F-2.1°NCLIMGRID
1995Dec15.1°F14.8°F+0.3°NCLIMGRID
1996Jan4.1°F9.9°F-5.8°NCLIMGRID
1996Feb19.9°F16.9°F+3.0°NCLIMGRID
1996Mar18.5°F28.6°F-10.1°NCLIMGRID
1996Apr38.0°F42.3°F-4.3°NCLIMGRID
1996May50.1°F54.4°F-4.3°NCLIMGRID
1996Jun64.4°F63.6°F+0.8°NCLIMGRID
1996Jul66.6°F69.9°F-3.3°NCLIMGRID
1996Aug70.2°F68.0°F+2.2°NCLIMGRID
1996Sep55.7°F57.1°F-1.4°NCLIMGRID
1996Oct43.3°F44.1°F-0.8°NCLIMGRID
1996Nov16.1°F27.4°F-11.3°NCLIMGRID
1996Dec6.1°F14.8°F-8.7°NCLIMGRID
1997Jan4.9°F9.9°F-5.0°NCLIMGRID
1997Feb20.5°F16.9°F+3.6°NCLIMGRID
1997Mar26.2°F28.6°F-2.4°NCLIMGRID
1997Apr37.6°F42.3°F-4.7°NCLIMGRID
1997May52.3°F54.4°F-2.1°NCLIMGRID
1997Jun67.1°F63.6°F+3.4°NCLIMGRID
1997Jul69.0°F69.9°F-0.8°NCLIMGRID
1997Aug68.1°F68.0°F+0.1°NCLIMGRID
1997Sep60.7°F57.1°F+3.6°NCLIMGRID
1997Oct46.8°F44.1°F+2.7°NCLIMGRID
1997Nov26.6°F27.4°F-0.8°NCLIMGRID
1997Dec26.9°F14.8°F+12.1°NCLIMGRID
1998Jan13.4°F9.9°F+3.5°NCLIMGRID
1998Feb30.6°F16.9°F+13.7°NCLIMGRID
1998Mar22.0°F28.6°F-6.6°NCLIMGRID
1998Apr46.2°F42.3°F+3.9°NCLIMGRID
1998May56.5°F54.4°F+2.1°NCLIMGRID
1998Jun59.1°F63.6°F-4.5°NCLIMGRID
1998Jul71.3°F69.9°F+1.4°NCLIMGRID
1998Aug70.8°F68.0°F+2.8°NCLIMGRID
1998Sep62.8°F57.1°F+5.6°NCLIMGRID
1998Oct45.5°F44.1°F+1.5°NCLIMGRID
1998Nov31.3°F27.4°F+3.9°NCLIMGRID
1998Dec21.1°F14.8°F+6.3°NCLIMGRID
1999Jan10.3°F9.9°F+0.4°NCLIMGRID
1999Feb26.7°F16.9°F+9.8°NCLIMGRID
1999Mar35.6°F28.6°F+7.0°NCLIMGRID
1999Apr41.5°F42.3°F-0.8°NCLIMGRID
1999May53.9°F54.4°F-0.5°NCLIMGRID
1999Jun61.9°F63.6°F-1.7°NCLIMGRID
1999Jul69.6°F69.9°F-0.2°NCLIMGRID
1999Aug67.6°F68.0°F-0.4°NCLIMGRID
1999Sep53.2°F57.1°F-4.0°NCLIMGRID
1999Oct43.8°F44.1°F-0.3°NCLIMGRID
1999Nov38.8°F27.4°F+11.4°NCLIMGRID
1999Dec25.9°F14.8°F+11.1°NCLIMGRID
2000Jan16.1°F9.9°F+6.2°NCLIMGRID
2000Feb22.9°F16.9°F+6.0°NCLIMGRID
2000Mar36.0°F28.6°F+7.4°NCLIMGRID
2000Apr42.2°F42.3°F-0.1°NCLIMGRID
2000May55.4°F54.4°F+1.0°NCLIMGRID
2000Jun60.2°F63.6°F-3.4°NCLIMGRID
2000Jul69.8°F69.9°F-0.1°NCLIMGRID
2000Aug69.7°F68.0°F+1.7°NCLIMGRID
2000Sep58.2°F57.1°F+1.1°NCLIMGRID
2000Oct46.9°F44.1°F+2.8°NCLIMGRID
2000Nov21.8°F27.4°F-5.6°NCLIMGRID
2000Dec6.4°F14.8°F-8.4°NCLIMGRID
2001Jan20.7°F9.9°F+10.8°NCLIMGRID
2001Feb8.3°F16.9°F-8.6°NCLIMGRID
2001Mar31.4°F28.6°F+2.8°NCLIMGRID
2001Apr43.7°F42.3°F+1.5°NCLIMGRID
2001May55.5°F54.4°F+1.1°NCLIMGRID
2001Jun62.3°F63.6°F-1.3°NCLIMGRID
2001Jul70.6°F69.9°F+0.7°NCLIMGRID
2001Aug70.9°F68.0°F+2.9°NCLIMGRID
2001Sep58.8°F57.1°F+1.7°NCLIMGRID
2001Oct42.9°F44.1°F-1.2°NCLIMGRID
2001Nov37.6°F27.4°F+10.2°NCLIMGRID
2001Dec20.8°F14.8°F+6.0°NCLIMGRID
2002Jan19.7°F9.9°F+9.9°NCLIMGRID
2002Feb26.2°F16.9°F+9.3°NCLIMGRID
2002Mar17.0°F28.6°F-11.6°NCLIMGRID
2002Apr39.0°F42.3°F-3.3°NCLIMGRID
2002May48.8°F54.4°F-5.7°NCLIMGRID
2002Jun65.3°F63.6°F+1.6°NCLIMGRID
2002Jul73.8°F69.9°F+3.9°NCLIMGRID
2002Aug67.8°F68.0°F-0.3°NCLIMGRID
2002Sep59.8°F57.1°F+2.7°NCLIMGRID
2002Oct35.7°F44.1°F-8.4°NCLIMGRID
2002Nov32.5°F27.4°F+5.0°NCLIMGRID
2002Dec24.2°F14.8°F+9.4°NCLIMGRID
2003Jan14.3°F9.9°F+4.4°NCLIMGRID
2003Feb12.8°F16.9°F-4.0°NCLIMGRID
2003Mar24.8°F28.6°F-3.8°NCLIMGRID
2003Apr46.6°F42.3°F+4.3°NCLIMGRID
2003May53.1°F54.4°F-1.3°NCLIMGRID
2003Jun60.9°F63.6°F-2.7°NCLIMGRID
2003Jul71.5°F69.9°F+1.6°NCLIMGRID
2003Aug73.8°F68.0°F+5.8°NCLIMGRID
2003Sep57.4°F57.1°F+0.2°NCLIMGRID
2003Oct48.7°F44.1°F+4.6°NCLIMGRID
2003Nov19.4°F27.4°F-8.0°NCLIMGRID
2003Dec22.5°F14.8°F+7.7°NCLIMGRID
2004Jan7.4°F9.9°F-2.4°NCLIMGRID
2004Feb17.2°F16.9°F+0.4°NCLIMGRID
2004Mar33.9°F28.6°F+5.3°NCLIMGRID
2004Apr44.9°F42.3°F+2.6°NCLIMGRID
2004May51.1°F54.4°F-3.3°NCLIMGRID
2004Jun58.9°F63.6°F-4.7°NCLIMGRID
2004Jul68.2°F69.9°F-1.6°NCLIMGRID
2004Aug64.1°F68.0°F-3.9°NCLIMGRID
2004Sep59.3°F57.1°F+2.2°NCLIMGRID
2004Oct44.5°F44.1°F+0.4°NCLIMGRID
2004Nov33.9°F27.4°F+6.5°NCLIMGRID
2004Dec22.6°F14.8°F+7.8°NCLIMGRID
2005Jan9.8°F9.9°F-0.1°NCLIMGRID
2005Feb24.6°F16.9°F+7.8°NCLIMGRID
2005Mar32.3°F28.6°F+3.7°NCLIMGRID
2005Apr46.9°F42.3°F+4.7°NCLIMGRID
2005May50.8°F54.4°F-3.6°NCLIMGRID
2005Jun64.7°F63.6°F+1.1°NCLIMGRID
2005Jul70.8°F69.9°F+0.9°NCLIMGRID
2005Aug66.8°F68.0°F-1.2°NCLIMGRID
2005Sep60.3°F57.1°F+3.2°NCLIMGRID
2005Oct45.3°F44.1°F+1.3°NCLIMGRID
2005Nov32.9°F27.4°F+5.4°NCLIMGRID
2005Dec19.0°F14.8°F+4.1°NCLIMGRID
2006Jan28.3°F9.9°F+18.4°NCLIMGRID
2006Feb19.6°F16.9°F+2.7°NCLIMGRID
2006Mar30.1°F28.6°F+1.5°NCLIMGRID
2006Apr49.0°F42.3°F+6.8°NCLIMGRID
2006May55.2°F54.4°F+0.8°NCLIMGRID
2006Jun65.4°F63.6°F+1.8°NCLIMGRID
2006Jul75.7°F69.9°F+5.8°NCLIMGRID
2006Aug70.7°F68.0°F+2.7°NCLIMGRID
2006Sep56.0°F57.1°F-1.1°NCLIMGRID
2006Oct40.5°F44.1°F-3.5°NCLIMGRID
2006Nov30.4°F27.4°F+3.0°NCLIMGRID
2006Dec22.8°F14.8°F+7.9°NCLIMGRID
2007Jan18.8°F9.9°F+8.9°NCLIMGRID
2007Feb11.9°F16.9°F-5.0°NCLIMGRID
2007Mar36.7°F28.6°F+8.1°NCLIMGRID
2007Apr40.3°F42.3°F-1.9°NCLIMGRID
2007May55.9°F54.4°F+1.5°NCLIMGRID
2007Jun64.9°F63.6°F+1.2°NCLIMGRID
2007Jul74.6°F69.9°F+4.8°NCLIMGRID
2007Aug67.4°F68.0°F-0.6°NCLIMGRID
2007Sep59.0°F57.1°F+1.8°NCLIMGRID
2007Oct46.7°F44.1°F+2.6°NCLIMGRID
2007Nov30.6°F27.4°F+3.2°NCLIMGRID
2007Dec16.9°F14.8°F+2.1°NCLIMGRID
2008Jan13.2°F9.9°F+3.3°NCLIMGRID
2008Feb14.5°F16.9°F-2.4°NCLIMGRID
2008Mar30.7°F28.6°F+2.1°NCLIMGRID
2008Apr40.4°F42.3°F-1.9°NCLIMGRID
2008May51.7°F54.4°F-2.8°NCLIMGRID
2008Jun60.5°F63.6°F-3.2°NCLIMGRID
2008Jul71.0°F69.9°F+1.1°NCLIMGRID
2008Aug70.2°F68.0°F+2.2°NCLIMGRID
2008Sep56.9°F57.1°F-0.2°NCLIMGRID
2008Oct44.7°F44.1°F+0.6°NCLIMGRID
2008Nov29.8°F27.4°F+2.4°NCLIMGRID
2008Dec7.5°F14.8°F-7.4°NCLIMGRID
2009Jan8.6°F9.9°F-1.3°NCLIMGRID
2009Feb13.6°F16.9°F-3.3°NCLIMGRID
2009Mar20.5°F28.6°F-8.1°NCLIMGRID
2009Apr38.9°F42.3°F-3.4°NCLIMGRID
2009May52.2°F54.4°F-2.2°NCLIMGRID
2009Jun59.6°F63.6°F-4.0°NCLIMGRID
2009Jul64.1°F69.9°F-5.7°NCLIMGRID
2009Aug64.7°F68.0°F-3.3°NCLIMGRID
2009Sep63.6°F57.1°F+6.4°NCLIMGRID
2009Oct37.8°F44.1°F-6.3°NCLIMGRID
2009Nov37.2°F27.4°F+9.8°NCLIMGRID
2009Dec8.7°F14.8°F-6.1°NCLIMGRID
2010Jan11.3°F9.9°F+1.4°NCLIMGRID
2010Feb9.8°F16.9°F-7.1°NCLIMGRID
2010Mar31.1°F28.6°F+2.5°NCLIMGRID
2010Apr45.7°F42.3°F+3.4°NCLIMGRID
2010May51.4°F54.4°F-3.1°NCLIMGRID
2010Jun62.6°F63.6°F-1.0°NCLIMGRID
2010Jul68.6°F69.9°F-1.3°NCLIMGRID
2010Aug69.7°F68.0°F+1.7°NCLIMGRID
2010Sep55.5°F57.1°F-1.7°NCLIMGRID
2010Oct48.4°F44.1°F+4.3°NCLIMGRID
2010Nov27.7°F27.4°F+0.3°NCLIMGRID
2010Dec10.0°F14.8°F-4.9°NCLIMGRID
2011Jan10.0°F9.9°F+0.1°NCLIMGRID
2011Feb11.2°F16.9°F-5.6°NCLIMGRID
2011Mar20.9°F28.6°F-7.7°NCLIMGRID
2011Apr38.9°F42.3°F-3.4°NCLIMGRID
2011May50.1°F54.4°F-4.3°NCLIMGRID
2011Jun61.6°F63.6°F-2.0°NCLIMGRID
2011Jul70.5°F69.9°F+0.6°NCLIMGRID
2011Aug68.4°F68.0°F+0.4°NCLIMGRID
2011Sep58.3°F57.1°F+1.1°NCLIMGRID
2011Oct48.0°F44.1°F+3.9°NCLIMGRID
2011Nov31.2°F27.4°F+3.8°NCLIMGRID
2011Dec24.4°F14.8°F+9.6°NCLIMGRID
2012Jan22.4°F9.9°F+12.5°NCLIMGRID
2012Feb21.9°F16.9°F+5.1°NCLIMGRID
2012Mar42.8°F28.6°F+14.2°NCLIMGRID
2012Apr46.6°F42.3°F+4.3°NCLIMGRID
2012May54.0°F54.4°F-0.5°NCLIMGRID
2012Jun65.1°F63.6°F+1.5°NCLIMGRID
2012Jul74.4°F69.9°F+4.6°NCLIMGRID
2012Aug68.0°F68.0°F+0.0°NCLIMGRID
2012Sep59.0°F57.1°F+1.8°NCLIMGRID
2012Oct42.0°F44.1°F-2.1°NCLIMGRID
2012Nov29.9°F27.4°F+2.5°NCLIMGRID
2012Dec15.9°F14.8°F+1.0°NCLIMGRID
2013Jan14.3°F9.9°F+4.4°NCLIMGRID
2013Feb22.1°F16.9°F+5.2°NCLIMGRID
2013Mar24.4°F28.6°F-4.2°NCLIMGRID
2013Apr34.6°F42.3°F-7.7°NCLIMGRID
2013May53.4°F54.4°F-1.0°NCLIMGRID
2013Jun62.2°F63.6°F-1.4°NCLIMGRID
2013Jul68.1°F69.9°F-1.7°NCLIMGRID
2013Aug69.9°F68.0°F+1.8°NCLIMGRID
2013Sep62.1°F57.1°F+5.0°NCLIMGRID
2013Oct41.0°F44.1°F-3.1°NCLIMGRID
2013Nov27.2°F27.4°F-0.2°NCLIMGRID
2013Dec8.0°F14.8°F-6.9°NCLIMGRID
2014Jan12.6°F9.9°F+2.8°NCLIMGRID
2014Feb9.6°F16.9°F-7.3°NCLIMGRID
2014Mar26.2°F28.6°F-2.4°NCLIMGRID
2014Apr38.8°F42.3°F-3.5°NCLIMGRID
2014May53.5°F54.4°F-0.9°NCLIMGRID
2014Jun61.2°F63.6°F-2.4°NCLIMGRID
2014Jul66.7°F69.9°F-3.2°NCLIMGRID
2014Aug66.5°F68.0°F-1.6°NCLIMGRID
2014Sep57.7°F57.1°F+0.5°NCLIMGRID
2014Oct46.2°F44.1°F+2.1°NCLIMGRID
2014Nov20.6°F27.4°F-6.8°NCLIMGRID
2014Dec21.0°F14.8°F+6.2°NCLIMGRID
2015Jan19.0°F9.9°F+9.1°NCLIMGRID
2015Feb13.4°F16.9°F-3.5°NCLIMGRID
2015Mar35.7°F28.6°F+7.1°NCLIMGRID
2015Apr44.9°F42.3°F+2.6°NCLIMGRID
2015May51.9°F54.4°F-2.5°NCLIMGRID
2015Jun64.4°F63.6°F+0.8°NCLIMGRID
2015Jul69.9°F69.9°F+0.1°NCLIMGRID
2015Aug69.4°F68.0°F+1.4°NCLIMGRID
2015Sep62.9°F57.1°F+5.7°NCLIMGRID
2015Oct48.0°F44.1°F+4.0°NCLIMGRID
2015Nov32.6°F27.4°F+5.2°NCLIMGRID
2015Dec22.7°F14.8°F+7.8°NCLIMGRID
2016Jan16.9°F9.9°F+7.0°NCLIMGRID
2016Feb29.6°F16.9°F+12.7°NCLIMGRID
2016Mar37.6°F28.6°F+9.0°NCLIMGRID
2016Apr43.2°F42.3°F+0.9°NCLIMGRID
2016May55.5°F54.4°F+1.0°NCLIMGRID
2016Jun66.4°F63.6°F+2.7°NCLIMGRID
2016Jul70.0°F69.9°F+0.1°NCLIMGRID
2016Aug68.1°F68.0°F+0.1°NCLIMGRID
2016Sep58.9°F57.1°F+1.8°NCLIMGRID
2016Oct46.7°F44.1°F+2.6°NCLIMGRID
2016Nov39.0°F27.4°F+11.6°NCLIMGRID
2016Dec9.3°F14.8°F-5.5°NCLIMGRID
2017Jan10.4°F9.9°F+0.5°NCLIMGRID
2017Feb22.0°F16.9°F+5.1°NCLIMGRID
2017Mar30.3°F28.6°F+1.7°NCLIMGRID
2017Apr42.7°F42.3°F+0.5°NCLIMGRID
2017May55.2°F54.4°F+0.8°NCLIMGRID
2017Jun65.2°F63.6°F+1.6°NCLIMGRID
2017Jul74.1°F69.9°F+4.2°NCLIMGRID
2017Aug65.5°F68.0°F-2.5°NCLIMGRID
2017Sep57.8°F57.1°F+0.6°NCLIMGRID
2017Oct44.6°F44.1°F+0.5°NCLIMGRID
2017Nov29.0°F27.4°F+1.6°NCLIMGRID
2017Dec17.7°F14.8°F+2.9°NCLIMGRID
2018Jan12.9°F9.9°F+3.0°NCLIMGRID
2018Feb5.7°F16.9°F-11.1°NCLIMGRID
2018Mar26.5°F28.6°F-2.1°NCLIMGRID
2018Apr34.5°F42.3°F-7.8°NCLIMGRID
2018May59.3°F54.4°F+4.8°NCLIMGRID
2018Jun66.9°F63.6°F+3.3°NCLIMGRID
2018Jul69.6°F69.9°F-0.2°NCLIMGRID
2018Aug68.2°F68.0°F+0.2°NCLIMGRID
2018Sep55.4°F57.1°F-1.7°NCLIMGRID
2018Oct39.5°F44.1°F-4.6°NCLIMGRID
2018Nov25.4°F27.4°F-2.0°NCLIMGRID
2018Dec23.8°F14.8°F+9.0°NCLIMGRID
2019Jan14.2°F9.9°F+4.3°NCLIMGRID
2019Feb-1.9°F16.9°F-18.8°NCLIMGRID
2019Mar21.5°F28.6°F-7.0°NCLIMGRID
2019Apr42.5°F42.3°F+0.2°NCLIMGRID
2019May48.5°F54.4°F-5.9°NCLIMGRID
2019Jun63.1°F63.6°F-0.5°NCLIMGRID
2019Jul69.2°F69.9°F-0.7°NCLIMGRID
2019Aug66.1°F68.0°F-2.0°NCLIMGRID
2019Sep58.5°F57.1°F+1.3°NCLIMGRID
2019Oct36.6°F44.1°F-7.5°NCLIMGRID
2019Nov26.7°F27.4°F-0.7°NCLIMGRID
2019Dec18.6°F14.8°F+3.8°NCLIMGRID
2020Jan15.0°F9.9°F+5.1°NCLIMGRID
2020Feb21.0°F16.9°F+4.1°NCLIMGRID
2020Mar32.9°F28.6°F+4.3°NCLIMGRID
2020Apr38.6°F42.3°F-3.7°NCLIMGRID
2020May52.5°F54.4°F-1.9°NCLIMGRID
2020Jun66.5°F63.6°F+2.9°NCLIMGRID
2020Jul69.4°F69.9°F-0.5°NCLIMGRID
2020Aug70.4°F68.0°F+2.4°NCLIMGRID
2020Sep57.2°F57.1°F+0.0°NCLIMGRID
2020Oct37.6°F44.1°F-6.5°NCLIMGRID
2020Nov33.7°F27.4°F+6.2°NCLIMGRID
2020Dec24.9°F14.8°F+10.1°NCLIMGRID
2021Jan24.2°F9.9°F+14.3°NCLIMGRID
2021Feb7.8°F16.9°F-9.0°NCLIMGRID
2021Mar36.9°F28.6°F+8.3°NCLIMGRID
2021Apr40.1°F42.3°F-2.2°NCLIMGRID
2021May52.5°F54.4°F-1.9°NCLIMGRID
2021Jun67.9°F63.6°F+4.3°NCLIMGRID
2021Jul74.4°F69.9°F+4.5°NCLIMGRID
2021Aug69.4°F68.0°F+1.3°NCLIMGRID
2021Sep62.1°F57.1°F+5.0°NCLIMGRID
2021Oct48.2°F44.1°F+4.1°NCLIMGRID
2021Nov33.6°F27.4°F+6.2°NCLIMGRID
2021Dec16.2°F14.8°F+1.3°NCLIMGRID
2022Jan13.1°F9.9°F+3.2°NCLIMGRID
2022Feb15.1°F16.9°F-1.8°NCLIMGRID
2022Mar29.9°F28.6°F+1.3°NCLIMGRID
2022Apr33.9°F42.3°F-8.4°NCLIMGRID
2022May52.1°F54.4°F-2.3°NCLIMGRID
2022Jun63.2°F63.6°F-0.5°NCLIMGRID
2022Jul70.8°F69.9°F+1.0°NCLIMGRID
2022Aug70.5°F68.0°F+2.4°NCLIMGRID
2022Sep61.2°F57.1°F+4.0°NCLIMGRID
2022Oct46.2°F44.1°F+2.1°NCLIMGRID
2022Nov21.8°F27.4°F-5.6°NCLIMGRID
2022Dec6.9°F14.8°F-7.9°NCLIMGRID
2023Jan15.0°F9.9°F+5.1°NCLIMGRID
2023Feb17.7°F16.9°F+0.8°NCLIMGRID
2023Mar14.9°F28.6°F-13.7°NCLIMGRID
2023Apr35.8°F42.3°F-6.4°NCLIMGRID
2023May59.1°F54.4°F+4.7°NCLIMGRID
2023Jun68.5°F63.6°F+4.9°NCLIMGRID
2023Jul67.0°F69.9°F-2.8°NCLIMGRID
2023Aug68.0°F68.0°F-0.1°NCLIMGRID
2023Sep61.2°F57.1°F+4.0°NCLIMGRID
2023Oct43.5°F44.1°F-0.6°NCLIMGRID
2023Nov30.8°F27.4°F+3.4°NCLIMGRID
2023Dec27.1°F14.8°F+12.2°NCLIMGRID
2024Jan12.5°F9.9°F+2.7°NCLIMGRID
2024Feb27.7°F16.9°F+10.9°NCLIMGRID
2024Mar26.6°F28.6°F-2.0°NCLIMGRID
2024Apr44.1°F42.3°F+1.8°NCLIMGRID
2024May53.3°F54.4°F-1.1°NCLIMGRID
2024Jun61.6°F63.6°F-2.0°NCLIMGRID
2024Jul71.3°F69.9°F+1.4°NCLIMGRID
2024Aug67.0°F68.0°F-1.0°NCLIMGRID
2024Sep65.5°F57.1°F+8.4°NCLIMGRID
2024Oct49.7°F44.1°F+5.6°NCLIMGRID
2024Nov29.6°F27.4°F+2.2°NCLIMGRID
2024Dec21.2°F14.8°F+6.4°NCLIMGRID
2025Jan12.9°F9.9°F+3.0°NCLIMGRID
2025Feb6.0°F16.9°F-10.9°NCLIMGRID
2025Mar36.4°F28.6°F+7.8°NCLIMGRID
2025Apr42.8°F42.3°F+0.5°NCLIMGRID
2025May55.1°F54.4°F+0.7°NCLIMGRID
2025Jun63.7°F63.6°F+0.1°NCLIMGRID
2025Jul69.9°F69.9°F+0.0°NCLIMGRID
2025Aug68.1°F68.0°F+0.0°NCLIMGRID
2025Sep62.2°F57.1°F+5.1°NCLIMGRID
2025Oct49.1°F44.1°F+5.0°NCLIMGRID
2025Nov33.8°F27.4°F+6.4°NCLIMGRID
2025Dec17.9°F14.8°F+3.1°NCLIMGRID
2026Jan17.3°F9.9°F+7.4°NCLIMGRID
2026Feb28.5°F16.9°F+11.6°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
January9.9°F26/26
February16.9°F26/26
March28.6°F26/26
April42.3°F26/26
May54.4°F26/26
June63.6°F26/26
July69.9°F26/26
August68.0°F26/26
September57.1°F26/26
October44.1°F26/26
November27.4°F26/26
December14.8°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 Glen Ullin, North Dakota getting warmer?

Based on 96+ years of NOAA temperature records, Glen Ullin has changed at a rate of approximately 0.17°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 Glen Ullin?

The warmest year on record in Glen Ullin was 1987, based on average annual temperature anomaly from NOAA station data.

Where does the temperature data for Glen Ullin 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 Glen Ullin's climate profile.

How are the climate visualizations for Glen Ullin created?

Three visualizations are generated from Glen Ullin'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 Glen Ullin's temperature data?

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

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