Climate Change in Yellowstone National Park, Wyoming

96+ years of recorded temperature data show Yellowstone National Park is changing.

Based on our analysis of 96 years of temperature data near Yellowstone National Park, WY, this area shows relatively stable temperatures of approximately +0.2°F per decade. 10 of the last 10 years recorded above-average temperatures, and 1934 was the warmest year on record at +4.5°F above the historical baseline.

Key Climate Facts

Rate of Change

+0.2°F

per decade

Warmest Year

1934

+4.5°F anomaly

Recent Warm Years

10 / 10

above-average years

Decade Shift

+1.0°F

2020s vs 1930s

Compared to the National Average

Yellowstone National Park is warming at roughly the national average rate.

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

Temperature anomaly spiral for Yellowstone National Park, Wyoming
Climate spiral: monthly temperature anomalies from 96+ years of NOAA records for Yellowstone National Park, WY.

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 Yellowstone National Park, Wyoming
Warming stripes: each stripe is one year of average temperature anomaly for Yellowstone National Park, WY.

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 Yellowstone National Park, Wyoming
Linear trend: annual temperature anomalies with trend line for Yellowstone National Park, WY.

Temperature by Decade

1930s
+0.90°F
1940s
+0.36°F
1950s
+0.09°F
1960s
+0.18°F
1970s
-0.39°F
1980s
+0.13°F
1990s
+0.77°F
2000s
+1.31°F
2010s
+1.88°F
2020s
+1.96°F

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

Anomaly Scale

-4.9°F Colder Normal +5.9°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 Yellowstone National Park, WY. Filter by decade or download as CSV.

Data Sources & Audit

Station
nClimGrid 5km Grid Point
Distance
0.4 mi
Coverage
99.1%
Records
1,154
Range
1930-01 – 2026-02
Full Data Audit 1,154 records
YearMonthTempBaselineAnomalySourceGap
1930Jan0.1°F13.9°F-13.8°NCLIMGRID
1930Feb23.3°F17.6°F+5.7°NCLIMGRID
1930Mar21.1°F23.1°F-2.0°NCLIMGRID
1930Apr36.2°F30.6°F+5.6°NCLIMGRID
1930May40.6°F39.7°F+0.9°NCLIMGRID
1930Jun48.0°F48.4°F-0.4°NCLIMGRID
1930Jul56.6°F56.1°F+0.5°NCLIMGRID
1930Aug55.0°F54.3°F+0.6°NCLIMGRID
1930Sep45.6°F45.6°F-0.1°NCLIMGRID
1930Oct34.9°F34.8°F+0.0°NCLIMGRID
1930Nov22.3°F21.8°F+0.5°NCLIMGRID
1930Dec10.7°F13.5°F-2.8°NCLIMGRID
1931Jan17.6°F13.9°F+3.6°NCLIMGRID
1931Feb18.1°F17.6°F+0.5°NCLIMGRID
1931Mar21.1°F23.1°F-2.0°NCLIMGRID
1931Apr31.4°F30.6°F+0.8°NCLIMGRID
1931May41.2°F39.7°F+1.5°NCLIMGRID
1931Jun52.8°F48.4°F+4.4°NCLIMGRID
1931Jul57.2°F56.1°F+1.1°NCLIMGRID
1931Aug54.2°F54.3°F-0.1°NCLIMGRID
1931Sep45.9°F45.6°F+0.3°NCLIMGRID
1931Oct34.8°F34.8°F+0.0°NCLIMGRID
1931Nov18.9°F21.8°F-2.9°NCLIMGRID
1931Dec13.4°F13.5°F-0.1°NCLIMGRID
1932Jan8.0°F13.9°F-5.9°NCLIMGRID
1932Feb16.0°F17.6°F-1.6°NCLIMGRID
1932Mar17.5°F23.1°F-5.6°NCLIMGRID
1932Apr30.0°F30.6°F-0.6°NCLIMGRID
1932May40.2°F39.7°F+0.5°NCLIMGRID
1932Jun48.3°F48.4°F-0.1°NCLIMGRID
1932Jul56.7°F56.1°F+0.6°NCLIMGRID
1932Aug53.9°F54.3°F-0.4°NCLIMGRID
1932Sep46.4°F45.6°F+0.7°NCLIMGRID
1932Oct31.4°F34.8°F-3.5°NCLIMGRID
1932Nov24.0°F21.8°F+2.2°NCLIMGRID
1932Dec4.8°F13.5°F-8.7°NCLIMGRID
1933Jan16.6°F13.9°F+2.7°NCLIMGRID
1933Feb7.2°F17.6°F-10.4°NCLIMGRID
1933Mar20.6°F23.1°F-2.5°NCLIMGRID
1933Apr29.0°F30.6°F-1.6°NCLIMGRID
1933May36.8°F39.7°F-2.9°NCLIMGRID
1933Jun53.7°F48.4°F+5.3°NCLIMGRID
1933Jul59.3°F56.1°F+3.2°NCLIMGRID
1933Aug53.4°F54.3°F-0.9°NCLIMGRID
1933Sep46.5°F45.6°F+0.8°NCLIMGRID
1933Oct39.7°F34.8°F+4.9°NCLIMGRID
1933Nov26.5°F21.8°F+4.7°NCLIMGRID
1933Dec23.9°F13.5°F+10.4°NCLIMGRID
1934Jan19.6°F13.9°F+5.7°NCLIMGRID
1934Feb24.8°F17.6°F+7.2°NCLIMGRID
1934Mar30.2°F23.1°F+7.1°NCLIMGRID
1934Apr39.1°F30.6°F+8.5°NCLIMGRID
1934May48.3°F39.7°F+8.6°NCLIMGRID
1934Jun48.6°F48.4°F+0.2°NCLIMGRID
1934Jul57.9°F56.1°F+1.8°NCLIMGRID
1934Aug55.7°F54.3°F+1.4°NCLIMGRID
1934Sep43.2°F45.6°F-2.4°NCLIMGRID
1934Oct41.0°F34.8°F+6.2°NCLIMGRID
1934Nov28.2°F21.8°F+6.4°NCLIMGRID
1934Dec16.9°F13.5°F+3.4°NCLIMGRID
1935Jan18.8°F13.9°F+4.8°NCLIMGRID
1935Feb17.0°F17.6°F-0.6°NCLIMGRID
1935Mar21.1°F23.1°F-2.0°NCLIMGRID
1935Apr29.4°F30.6°F-1.3°NCLIMGRID
1935May39.1°F39.7°F-0.6°NCLIMGRID
1935Jun48.8°F48.4°F+0.3°NCLIMGRID
1935Jul58.2°F56.1°F+2.1°NCLIMGRID
1935Aug55.6°F54.3°F+1.2°NCLIMGRID
1935Sep49.2°F45.6°F+3.6°NCLIMGRID
1935Oct35.6°F34.8°F+0.7°NCLIMGRID
1935Nov19.0°F21.8°F-2.8°NCLIMGRID
1935Dec14.5°F13.5°F+1.0°NCLIMGRID
1936Jan11.8°F13.9°F-2.1°NCLIMGRID
1936Feb14.3°F17.6°F-3.3°NCLIMGRID
1936Mar19.1°F23.1°F-4.0°NCLIMGRID
1936Apr32.0°F30.6°F+1.4°NCLIMGRID
1936May45.7°F39.7°F+6.0°NCLIMGRID
1936Jun53.8°F48.4°F+5.4°NCLIMGRID
1936Jul61.7°F56.1°F+5.6°NCLIMGRID
1936Aug56.4°F54.3°F+2.0°NCLIMGRID
1936Sep45.9°F45.6°F+0.3°NCLIMGRID
1936Oct36.4°F34.8°F+1.6°NCLIMGRID
1936Nov19.4°F21.8°F-2.4°NCLIMGRID
1936Dec17.1°F13.5°F+3.6°NCLIMGRID
1937Jan0.3°F13.9°F-13.6°NCLIMGRID
1937Feb14.8°F17.6°F-2.8°NCLIMGRID
1937Mar21.3°F23.1°F-1.8°NCLIMGRID
1937Apr28.9°F30.6°F-1.7°NCLIMGRID
1937May43.0°F39.7°F+3.3°NCLIMGRID
1937Jun48.5°F48.4°F+0.1°NCLIMGRID
1937Jul58.1°F56.1°F+2.0°NCLIMGRID
1937Aug56.4°F54.3°F+2.0°NCLIMGRID
1937Sep48.3°F45.6°F+2.6°NCLIMGRID
1937Oct38.6°F34.8°F+3.8°NCLIMGRID
1937Nov25.8°F21.8°F+4.0°NCLIMGRID
1937Dec17.5°F13.5°F+3.9°NCLIMGRID
1938Jan14.7°F13.9°F+0.8°NCLIMGRID
1938Feb21.3°F17.6°F+3.7°NCLIMGRID
1938Mar23.3°F23.1°F+0.2°NCLIMGRID
1938Apr30.1°F30.6°F-0.6°NCLIMGRID
1938May39.6°F39.7°F-0.1°NCLIMGRID
1938Jun50.3°F48.4°F+1.9°NCLIMGRID
1938Jul55.9°F56.1°F-0.2°NCLIMGRID
1938Aug54.5°F54.3°F+0.2°NCLIMGRID
1938Sep51.4°F45.6°F+5.8°NCLIMGRID
1938Oct38.1°F34.8°F+3.3°NCLIMGRID
1938Nov15.8°F21.8°F-6.0°NCLIMGRID
1938Dec18.4°F13.5°F+4.8°NCLIMGRID
1939Jan17.1°F13.9°F+3.2°NCLIMGRID
1939Feb9.4°F17.6°F-8.2°NCLIMGRID
1939Mar23.4°F23.1°F+0.3°NCLIMGRID
1939Apr35.4°F30.6°F+4.8°NCLIMGRID
1939May43.9°F39.7°F+4.2°NCLIMGRID
1939Jun46.5°F48.4°F-1.9°NCLIMGRID
1939Jul58.2°F56.1°F+2.1°NCLIMGRID
1939Aug55.0°F54.3°F+0.7°NCLIMGRID
1939Sep48.6°F45.6°F+2.9°NCLIMGRID
1939Oct36.4°F34.8°F+1.5°NCLIMGRID
1939Nov27.0°F21.8°F+5.2°NCLIMGRID
1939Dec23.4°F13.5°F+9.9°NCLIMGRID
1940Jan14.4°F13.9°F+0.5°NCLIMGRID
1940Feb22.0°F17.6°F+4.4°NCLIMGRID
1940Mar26.8°F23.1°F+3.7°NCLIMGRID
1940Apr34.0°F30.6°F+3.3°NCLIMGRID
1940May44.0°F39.7°F+4.3°NCLIMGRID
1940Jun52.8°F48.4°F+4.4°NCLIMGRID
1940Jul58.3°F56.1°F+2.2°NCLIMGRID
1940Aug57.3°F54.3°F+3.0°NCLIMGRID
1940Sep49.9°F45.6°F+4.2°NCLIMGRID
1940Oct39.5°F34.8°F+4.7°NCLIMGRID
1940Nov19.4°F21.8°F-2.4°NCLIMGRID
1940Dec18.1°F13.5°F+4.6°NCLIMGRID
1941Jan15.8°F13.9°F+1.9°NCLIMGRID
1941Feb19.1°F17.6°F+1.5°NCLIMGRID
1941Mar26.7°F23.1°F+3.6°NCLIMGRID
1941Apr33.0°F30.6°F+2.3°NCLIMGRID
1941May42.6°F39.7°F+3.0°NCLIMGRID
1941Jun49.9°F48.4°F+1.4°NCLIMGRID
1941Jul57.1°F56.1°F+1.0°NCLIMGRID
1941Aug54.8°F54.3°F+0.4°NCLIMGRID
1941Sep41.9°F45.6°F-3.8°NCLIMGRID
1941Oct34.7°F34.8°F-0.1°NCLIMGRID
1941Nov22.7°F21.8°F+0.9°NCLIMGRID
1941Dec18.4°F13.5°F+4.9°NCLIMGRID
1942Jan9.8°F13.9°F-4.1°NCLIMGRID
1942Feb11.3°F17.6°F-6.3°NCLIMGRID
1942Mar18.4°F23.1°F-4.7°NCLIMGRID
1942Apr34.6°F30.6°F+4.0°NCLIMGRID
1942May37.3°F39.7°F-2.4°NCLIMGRID
1942Jun45.8°F48.4°F-2.6°NCLIMGRID
1942Jul56.9°F56.1°F+0.8°NCLIMGRID
1942Aug55.9°F54.3°F+1.5°NCLIMGRID
1942Sep46.2°F45.6°F+0.5°NCLIMGRID
1942Oct35.4°F34.8°F+0.5°NCLIMGRID
1942Nov21.1°F21.8°F-0.7°NCLIMGRID
1942Dec17.4°F13.5°F+3.9°NCLIMGRID
1943Jan11.5°F13.9°F-2.4°NCLIMGRID
1943Feb16.8°F17.6°F-0.8°NCLIMGRID
1943Mar18.0°F23.1°F-5.1°NCLIMGRID
1943Apr37.3°F30.6°F+6.7°NCLIMGRID
1943May37.7°F39.7°F-1.9°NCLIMGRID
1943Jun46.0°F48.4°F-2.4°NCLIMGRID
1943Jul55.9°F56.1°F-0.2°NCLIMGRID
1943Aug54.8°F54.3°F+0.5°NCLIMGRID
1943Sep47.9°F45.6°F+2.2°NCLIMGRID
1943Oct37.5°F34.8°F+2.6°NCLIMGRID
1943Nov26.2°F21.8°F+4.4°NCLIMGRID
1943Dec16.6°F13.5°F+3.1°NCLIMGRID
1944Jan11.5°F13.9°F-2.4°NCLIMGRID
1944Feb17.7°F17.6°F+0.1°NCLIMGRID
1944Mar18.3°F23.1°F-4.8°NCLIMGRID
1944Apr32.1°F30.6°F+1.5°NCLIMGRID
1944May41.9°F39.7°F+2.2°NCLIMGRID
1944Jun46.0°F48.4°F-2.4°NCLIMGRID
1944Jul54.6°F56.1°F-1.5°NCLIMGRID
1944Aug53.7°F54.3°F-0.6°NCLIMGRID
1944Sep46.1°F45.6°F+0.4°NCLIMGRID
1944Oct38.7°F34.8°F+3.9°NCLIMGRID
1944Nov23.2°F21.8°F+1.4°NCLIMGRID
1944Dec15.7°F13.5°F+2.2°NCLIMGRID
1945Jan18.5°F13.9°F+4.6°NCLIMGRID
1945Feb18.3°F17.6°F+0.7°NCLIMGRID
1945Mar22.8°F23.1°F-0.3°NCLIMGRID
1945Apr25.9°F30.6°F-4.7°NCLIMGRID
1945May40.7°F39.7°F+1.0°NCLIMGRID
1945Jun44.8°F48.4°F-3.6°NCLIMGRID
1945Jul53.7°F56.1°F-2.4°NCLIMGRID
1945Aug54.1°F54.3°F-0.2°NCLIMGRID
1945Sep43.4°F45.6°F-2.2°NCLIMGRID
1945Oct37.7°F34.8°F+2.9°NCLIMGRID
1945Nov22.4°F21.8°F+0.6°NCLIMGRID
1945Dec13.1°F13.5°F-0.4°NCLIMGRID
1946Jan11.4°F13.9°F-2.5°NCLIMGRID
1946Feb17.3°F17.6°F-0.3°NCLIMGRID
1946Mar26.5°F23.1°F+3.4°NCLIMGRID
1946Apr36.1°F30.6°F+5.5°NCLIMGRID
1946May39.5°F39.7°F-0.2°NCLIMGRID
1946Jun49.9°F48.4°F+1.5°NCLIMGRID
1946Jul57.9°F56.1°F+1.8°NCLIMGRID
1946Aug54.5°F54.3°F+0.1°NCLIMGRID
1946Sep44.7°F45.6°F-1.0°NCLIMGRID
1946Oct29.9°F34.8°F-5.0°NCLIMGRID
1946Nov22.6°F21.8°F+0.8°NCLIMGRID
1946Dec18.8°F13.5°F+5.3°NCLIMGRID
1947Jan9.3°F13.9°F-4.6°NCLIMGRID
1947Feb18.1°F17.6°F+0.5°NCLIMGRID
1947Mar24.1°F23.1°F+1.0°NCLIMGRID
1947Apr30.8°F30.6°F+0.1°NCLIMGRID
1947May43.4°F39.7°F+3.7°NCLIMGRID
1947Jun45.1°F48.4°F-3.3°NCLIMGRID
1947Jul57.3°F56.1°F+1.2°NCLIMGRID
1947Aug53.6°F54.3°F-0.7°NCLIMGRID
1947Sep48.3°F45.6°F+2.7°NCLIMGRID
1947Oct39.2°F34.8°F+4.4°NCLIMGRID
1947Nov18.4°F21.8°F-3.3°NCLIMGRID
1947Dec15.8°F13.5°F+2.3°NCLIMGRID
1948Jan11.1°F13.9°F-2.8°NCLIMGRID
1948Feb17.0°F17.6°F-0.6°NCLIMGRID
1948Mar16.4°F23.1°F-6.7°NCLIMGRID
1948Apr30.1°F30.6°F-0.5°NCLIMGRID
1948May40.5°F39.7°F+0.8°NCLIMGRID
1948Jun51.3°F48.4°F+2.9°NCLIMGRID
1948Jul54.2°F56.1°F-1.9°NCLIMGRID
1948Aug54.0°F54.3°F-0.4°NCLIMGRID
1948Sep48.2°F45.6°F+2.5°NCLIMGRID
1948Oct36.5°F34.8°F+1.7°NCLIMGRID
1948Nov16.5°F21.8°F-5.3°NCLIMGRID
1948Dec8.6°F13.5°F-4.9°NCLIMGRID
1949Jan0.6°F13.9°F-13.4°NCLIMGRID
1949Feb14.0°F17.6°F-3.6°NCLIMGRID
1949Mar23.2°F23.1°F+0.1°NCLIMGRID
1949Apr34.3°F30.6°F+3.6°NCLIMGRID
1949May43.1°F39.7°F+3.4°NCLIMGRID
1949Jun48.0°F48.4°F-0.4°NCLIMGRID
1949Jul55.8°F56.1°F-0.3°NCLIMGRID
1949Aug55.3°F54.3°F+1.0°NCLIMGRID
1949Sep46.7°F45.6°F+1.0°NCLIMGRID
1949Oct31.5°F34.8°F-3.3°NCLIMGRID
1949Nov30.5°F21.8°F+8.7°NCLIMGRID
1949Dec14.7°F13.5°F+1.2°NCLIMGRID
1950Jan10.7°F13.9°F-3.2°NCLIMGRID
1950Feb20.3°F17.6°F+2.7°NCLIMGRID
1950Mar20.2°F23.1°F-2.9°NCLIMGRID
1950Apr29.3°F30.6°F-1.3°NCLIMGRID
1950May35.5°F39.7°F-4.2°NCLIMGRID
1950Jun46.1°F48.4°F-2.3°NCLIMGRID
1950Jul52.4°F56.1°F-3.7°NCLIMGRID
1950Aug52.3°F54.3°F-2.1°NCLIMGRID
1950Sep44.7°F45.6°F-1.0°NCLIMGRID
1950Oct37.9°F34.8°F+3.0°NCLIMGRID
1950Nov23.6°F21.8°F+1.8°NCLIMGRID
1950Dec21.2°F13.5°F+7.7°NCLIMGRID
1951Jan11.0°F13.9°F-3.0°NCLIMGRID
1951Feb19.6°F17.6°F+2.0°NCLIMGRID
1951Mar17.8°F23.1°F-5.3°NCLIMGRID
1951Apr31.6°F30.6°F+0.9°NCLIMGRID
1951May42.4°F39.7°F+2.8°NCLIMGRID
1951Jun42.8°F48.4°F-5.6°NCLIMGRID
1951Jul56.4°F56.1°F+0.3°NCLIMGRID
1951Aug53.2°F54.3°F-1.1°NCLIMGRID
1951Sep44.7°F45.6°F-1.0°NCLIMGRID
1951Oct32.1°F34.8°F-2.7°NCLIMGRID
1951Nov19.9°F21.8°F-1.9°NCLIMGRID
1951Dec11.3°F13.5°F-2.2°NCLIMGRID
1952Jan12.9°F13.9°F-1.1°NCLIMGRID
1952Feb14.3°F17.6°F-3.3°NCLIMGRID
1952Mar16.4°F23.1°F-6.7°NCLIMGRID
1952Apr33.9°F30.6°F+3.3°NCLIMGRID
1952May42.3°F39.7°F+2.6°NCLIMGRID
1952Jun49.7°F48.4°F+1.2°NCLIMGRID
1952Jul53.6°F56.1°F-2.5°NCLIMGRID
1952Aug53.7°F54.3°F-0.6°NCLIMGRID
1952Sep49.0°F45.6°F+3.4°NCLIMGRID
1952Oct39.1°F34.8°F+4.3°NCLIMGRID
1952Nov18.0°F21.8°F-3.8°NCLIMGRID
1952Dec17.4°F13.5°F+3.9°NCLIMGRID
1953Jan25.3°F13.9°F+11.4°NCLIMGRID
1953Feb18.1°F17.6°F+0.5°NCLIMGRID
1953Mar23.9°F23.1°F+0.8°NCLIMGRID
1953Apr26.7°F30.6°F-4.0°NCLIMGRID
1953May37.0°F39.7°F-2.7°NCLIMGRID
1953Jun47.6°F48.4°F-0.9°NCLIMGRID
1953Jul58.6°F56.1°F+2.5°NCLIMGRID
1953Aug55.1°F54.3°F+0.8°NCLIMGRID
1953Sep48.1°F45.6°F+2.5°NCLIMGRID
1953Oct39.4°F34.8°F+4.6°NCLIMGRID
1953Nov28.4°F21.8°F+6.6°NCLIMGRID
1953Dec14.4°F13.5°F+0.9°NCLIMGRID
1954Jan19.2°F13.9°F+5.3°NCLIMGRID
1954Feb21.7°F17.6°F+4.0°NCLIMGRID
1954Mar18.7°F23.1°F-4.4°NCLIMGRID
1954Apr31.7°F30.6°F+1.1°NCLIMGRID
1954May41.9°F39.7°F+2.2°NCLIMGRID
1954Jun45.1°F48.4°F-3.4°NCLIMGRID
1954Jul58.0°F56.1°F+1.9°NCLIMGRID
1954Aug52.4°F54.3°F-2.0°NCLIMGRID
1954Sep47.1°F45.6°F+1.4°NCLIMGRID
1954Oct34.0°F34.8°F-0.9°NCLIMGRID
1954Nov28.0°F21.8°F+6.3°NCLIMGRID
1954Dec13.9°F13.5°F+0.4°NCLIMGRID
1955Jan10.0°F13.9°F-3.9°NCLIMGRID
1955Feb12.9°F17.6°F-4.7°NCLIMGRID
1955Mar14.1°F23.1°F-9.0°NCLIMGRID
1955Apr28.1°F30.6°F-2.5°NCLIMGRID
1955May39.7°F39.7°F+0.0°NCLIMGRID
1955Jun46.7°F48.4°F-1.7°NCLIMGRID
1955Jul57.4°F56.1°F+1.3°NCLIMGRID
1955Aug57.1°F54.3°F+2.8°NCLIMGRID
1955Sep45.3°F45.6°F-0.4°NCLIMGRID
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1984Jan12.7°F13.9°F-1.2°NCLIMGRID
1984Feb15.5°F17.6°F-2.1°NCLIMGRID
1984Mar24.0°F23.1°F+0.9°NCLIMGRID
1984Apr28.5°F30.6°F-2.1°NCLIMGRID
1984May37.6°F39.7°F-2.1°NCLIMGRID
1984Jun45.4°F48.4°F-3.0°NCLIMGRID
1984Jul56.6°F56.1°F+0.5°NCLIMGRID
1984Aug55.3°F54.3°F+1.0°NCLIMGRID
1984Sep41.2°F45.6°F-4.4°NCLIMGRID
1984Oct28.4°F34.8°F-6.4°NCLIMGRID
1984Nov20.7°F21.8°F-1.1°NCLIMGRID
1984Dec8.2°F13.5°F-5.3°NCLIMGRID
1985Jan7.6°F13.9°F-6.4°NCLIMGRID
1985Feb7.7°F17.6°F-9.9°NCLIMGRID
1985Mar18.4°F23.1°F-4.7°NCLIMGRID
1985Apr32.1°F30.6°F+1.5°NCLIMGRID
1985May42.1°F39.7°F+2.4°NCLIMGRID
1985Jun49.0°F48.4°F+0.6°NCLIMGRID
1985Jul56.7°F56.1°F+0.6°NCLIMGRID
1985Aug51.0°F54.3°F-3.4°NCLIMGRID
1985Sep39.6°F45.6°F-6.0°NCLIMGRID
1985Oct31.6°F34.8°F-3.2°NCLIMGRID
1985Nov14.1°F21.8°F-7.6°NCLIMGRID
1985Dec12.6°F13.5°F-0.9°NCLIMGRID
1986Jan18.1°F13.9°F+4.1°NCLIMGRID
1986Feb20.6°F17.6°F+3.0°NCLIMGRID
1986Mar30.0°F23.1°F+6.9°NCLIMGRID
1986Apr32.5°F30.6°F+1.8°NCLIMGRID
1986May39.0°F39.7°F-0.7°NCLIMGRID
1986Jun52.8°F48.4°F+4.4°NCLIMGRID
1986Jul52.5°F56.1°F-3.6°NCLIMGRID
1986Aug55.5°F54.3°F+1.1°NCLIMGRID
1986Sep41.2°F45.6°F-4.5°NCLIMGRID
1986Oct36.3°F34.8°F+1.4°NCLIMGRID
1986Nov20.1°F21.8°F-1.7°NCLIMGRID
1986Dec12.9°F13.5°F-0.6°NCLIMGRID
1987Jan11.9°F13.9°F-2.0°NCLIMGRID
1987Feb20.0°F17.6°F+2.4°NCLIMGRID
1987Mar24.7°F23.1°F+1.6°NCLIMGRID
1987Apr37.7°F30.6°F+7.1°NCLIMGRID
1987May44.5°F39.7°F+4.8°NCLIMGRID
1987Jun50.8°F48.4°F+2.4°NCLIMGRID
1987Jul53.9°F56.1°F-2.2°NCLIMGRID
1987Aug51.9°F54.3°F-2.4°NCLIMGRID
1987Sep48.6°F45.6°F+2.9°NCLIMGRID
1987Oct38.3°F34.8°F+3.5°NCLIMGRID
1987Nov24.5°F21.8°F+2.7°NCLIMGRID
1987Dec13.3°F13.5°F-0.2°NCLIMGRID
1988Jan10.3°F13.9°F-3.6°NCLIMGRID
1988Feb17.8°F17.6°F+0.2°NCLIMGRID
1988Mar20.5°F23.1°F-2.6°NCLIMGRID
1988Apr33.9°F30.6°F+3.2°NCLIMGRID
1988May42.6°F39.7°F+2.9°NCLIMGRID
1988Jun56.4°F48.4°F+7.9°NCLIMGRID
1988Jul59.1°F56.1°F+3.0°NCLIMGRID
1988Aug55.1°F54.3°F+0.8°NCLIMGRID
1988Sep45.3°F45.6°F-0.4°NCLIMGRID
1988Oct41.6°F34.8°F+6.7°NCLIMGRID
1988Nov20.6°F21.8°F-1.2°NCLIMGRID
1988Dec13.1°F13.5°F-0.4°NCLIMGRID
1989Jan12.6°F13.9°F-1.4°NCLIMGRID
1989Feb11.6°F17.6°F-6.0°NCLIMGRID
1989Mar25.9°F23.1°F+2.8°NCLIMGRID
1989Apr32.7°F30.6°F+2.1°NCLIMGRID
1989May40.5°F39.7°F+0.8°NCLIMGRID
1989Jun49.0°F48.4°F+0.6°NCLIMGRID
1989Jul60.0°F56.1°F+3.9°NCLIMGRID
1989Aug53.2°F54.3°F-1.1°NCLIMGRID
1989Sep46.3°F45.6°F+0.6°NCLIMGRID
1989Oct35.3°F34.8°F+0.5°NCLIMGRID
1989Nov23.5°F21.8°F+1.7°NCLIMGRID
1989Dec14.3°F13.5°F+0.8°NCLIMGRID
1990Jan16.1°F13.9°F+2.2°NCLIMGRID
1990Feb15.2°F17.6°F-2.4°NCLIMGRID
1990Mar25.7°F23.1°F+2.6°NCLIMGRID
1990Apr36.1°F30.6°F+5.5°NCLIMGRID
1990May38.8°F39.7°F-0.9°NCLIMGRID
1990Jun49.2°F48.4°F+0.8°NCLIMGRID
1990Jul56.8°F56.1°F+0.7°NCLIMGRID
1990Aug55.9°F54.3°F+1.6°NCLIMGRID
1990Sep52.0°F45.6°F+6.4°NCLIMGRID
1990Oct33.0°F34.8°F-1.8°NCLIMGRID
1990Nov24.0°F21.8°F+2.2°NCLIMGRID
1990Dec4.3°F13.5°F-9.2°NCLIMGRID
1991Jan10.9°F13.9°F-3.0°NCLIMGRID
1991Feb23.6°F17.6°F+6.0°NCLIMGRID
1991Mar22.4°F23.1°F-0.7°NCLIMGRID
1991Apr30.1°F30.6°F-0.5°NCLIMGRID
1991May39.1°F39.7°F-0.6°NCLIMGRID
1991Jun49.2°F48.4°F+0.8°NCLIMGRID
1991Jul57.3°F56.1°F+1.2°NCLIMGRID
1991Aug57.7°F54.3°F+3.3°NCLIMGRID
1991Sep46.8°F45.6°F+1.1°NCLIMGRID
1991Oct34.7°F34.8°F-0.1°NCLIMGRID
1991Nov18.5°F21.8°F-3.3°NCLIMGRID
1991Dec13.7°F13.5°F+0.2°NCLIMGRID
1992Jan13.4°F13.9°F-0.5°NCLIMGRID
1992Feb23.5°F17.6°F+5.9°NCLIMGRID
1992Mar29.8°F23.1°F+6.7°NCLIMGRID
1992Apr36.3°F30.6°F+5.7°NCLIMGRID
1992May45.8°F39.7°F+6.1°NCLIMGRID
1992Jun49.7°F48.4°F+1.2°NCLIMGRID
1992Jul52.1°F56.1°F-4.0°NCLIMGRID
1992Aug54.5°F54.3°F+0.2°NCLIMGRID
1992Sep44.3°F45.6°F-1.4°NCLIMGRID
1992Oct38.0°F34.8°F+3.2°NCLIMGRID
1992Nov19.0°F21.8°F-2.8°NCLIMGRID
1992Dec11.7°F13.5°F-1.8°NCLIMGRID
1993Jan12.0°F13.9°F-1.9°NCLIMGRID
1993Feb14.7°F17.6°F-2.9°NCLIMGRID
1993Mar26.6°F23.1°F+3.5°NCLIMGRID
1993Apr30.7°F30.6°F+0.1°NCLIMGRID
1993May42.7°F39.7°F+3.0°NCLIMGRID
1993Jun45.7°F48.4°F-2.7°NCLIMGRID
1993Jul48.6°F56.1°F-7.5°NCLIMGRID
1993Aug50.9°F54.3°F-3.4°NCLIMGRID
1993Sep44.7°F45.6°F-0.9°NCLIMGRID
1993Oct35.6°F34.8°F+0.8°NCLIMGRID
1993Nov16.7°F21.8°F-5.1°NCLIMGRID
1993Dec15.0°F13.5°F+1.5°NCLIMGRID
1994Jan18.6°F13.9°F+4.7°NCLIMGRID
1994Feb15.1°F17.6°F-2.5°NCLIMGRID
1994Mar25.4°F23.1°F+2.3°NCLIMGRID
1994Apr32.7°F30.6°F+2.1°NCLIMGRID
1994May44.7°F39.7°F+5.1°NCLIMGRID
1994Jun50.0°F48.4°F+1.6°NCLIMGRID
1994Jul55.9°F56.1°F-0.2°NCLIMGRID
1994Aug58.0°F54.3°F+3.7°NCLIMGRID
1994Sep49.7°F45.6°F+4.1°NCLIMGRID
1994Oct34.9°F34.8°F+0.0°NCLIMGRID
1994Nov15.2°F21.8°F-6.6°NCLIMGRID
1994Dec17.4°F13.5°F+3.9°NCLIMGRID
1995Jan14.6°F13.9°F+0.6°NCLIMGRID
1995Feb23.4°F17.6°F+5.8°NCLIMGRID
1995Mar23.4°F23.1°F+0.3°NCLIMGRID
1995Apr30.3°F30.6°F-0.3°NCLIMGRID
1995May39.1°F39.7°F-0.5°NCLIMGRID
1995Jun46.8°F48.4°F-1.6°NCLIMGRID
1995Jul54.0°F56.1°F-2.1°NCLIMGRID
1995Aug55.1°F54.3°F+0.7°NCLIMGRID
1995Sep47.7°F45.6°F+2.0°NCLIMGRID
1995Oct32.0°F34.8°F-2.8°NCLIMGRID
1995Nov25.7°F21.8°F+3.9°NCLIMGRID
1995Dec15.6°F13.5°F+2.1°NCLIMGRID
1996Jan13.0°F13.9°F-0.9°NCLIMGRID
1996Feb16.1°F17.6°F-1.5°NCLIMGRID
1996Mar23.6°F23.1°F+0.5°NCLIMGRID
1996Apr31.0°F30.6°F+0.3°NCLIMGRID
1996May37.4°F39.7°F-2.3°NCLIMGRID
1996Jun50.3°F48.4°F+1.9°NCLIMGRID
1996Jul57.4°F56.1°F+1.3°NCLIMGRID
1996Aug54.9°F54.3°F+0.6°NCLIMGRID
1996Sep43.7°F45.6°F-2.0°NCLIMGRID
1996Oct35.1°F34.8°F+0.2°NCLIMGRID
1996Nov24.9°F21.8°F+3.1°NCLIMGRID
1996Dec17.0°F13.5°F+3.5°NCLIMGRID
1997Jan14.3°F13.9°F+0.4°NCLIMGRID
1997Feb15.3°F17.6°F-2.3°NCLIMGRID
1997Mar24.4°F23.1°F+1.3°NCLIMGRID
1997Apr27.7°F30.6°F-2.9°NCLIMGRID
1997May40.9°F39.7°F+1.2°NCLIMGRID
1997Jun51.2°F48.4°F+2.8°NCLIMGRID
1997Jul54.8°F56.1°F-1.3°NCLIMGRID
1997Aug55.7°F54.3°F+1.4°NCLIMGRID
1997Sep49.3°F45.6°F+3.6°NCLIMGRID
1997Oct34.6°F34.8°F-0.3°NCLIMGRID
1997Nov22.4°F21.8°F+0.6°NCLIMGRID
1997Dec15.8°F13.5°F+2.3°NCLIMGRID
1998Jan20.8°F13.9°F+6.9°NCLIMGRID
1998Feb20.2°F17.6°F+2.6°NCLIMGRID
1998Mar24.4°F23.1°F+1.3°NCLIMGRID
1998Apr32.9°F30.6°F+2.3°NCLIMGRID
1998May41.8°F39.7°F+2.1°NCLIMGRID
1998Jun42.9°F48.4°F-5.5°NCLIMGRID
1998Jul59.5°F56.1°F+3.4°NCLIMGRID
1998Aug56.4°F54.3°F+2.1°NCLIMGRID
1998Sep51.5°F45.6°F+5.9°NCLIMGRID
1998Oct36.4°F34.8°F+1.6°NCLIMGRID
1998Nov25.5°F21.8°F+3.7°NCLIMGRID
1998Dec12.7°F13.5°F-0.8°NCLIMGRID
1999Jan18.9°F13.9°F+5.0°NCLIMGRID
1999Feb18.8°F17.6°F+1.1°NCLIMGRID
1999Mar24.0°F23.1°F+0.9°NCLIMGRID
1999Apr28.9°F30.6°F-1.7°NCLIMGRID
1999May37.3°F39.7°F-2.4°NCLIMGRID
1999Jun46.3°F48.4°F-2.1°NCLIMGRID
1999Jul55.0°F56.1°F-1.1°NCLIMGRID
1999Aug55.3°F54.3°F+0.9°NCLIMGRID
1999Sep44.2°F45.6°F-1.4°NCLIMGRID
1999Oct37.8°F34.8°F+3.0°NCLIMGRID
1999Nov31.1°F21.8°F+9.3°NCLIMGRID
1999Dec16.2°F13.5°F+2.7°NCLIMGRID
2000Jan17.9°F13.9°F+4.0°NCLIMGRID
2000Feb23.5°F17.6°F+5.9°NCLIMGRID
2000Mar25.0°F23.1°F+1.9°NCLIMGRID
2000Apr34.0°F30.6°F+3.4°NCLIMGRID
2000May41.1°F39.7°F+1.4°NCLIMGRID
2000Jun48.9°F48.4°F+0.5°NCLIMGRID
2000Jul57.5°F56.1°F+1.4°NCLIMGRID
2000Aug57.0°F54.3°F+2.6°NCLIMGRID
2000Sep45.9°F45.6°F+0.3°NCLIMGRID
2000Oct36.5°F34.8°F+1.6°NCLIMGRID
2000Nov15.7°F21.8°F-6.1°NCLIMGRID
2000Dec15.5°F13.5°F+2.0°NCLIMGRID
2001Jan14.3°F13.9°F+0.3°NCLIMGRID
2001Feb16.8°F17.6°F-0.8°NCLIMGRID
2001Mar27.2°F23.1°F+4.1°NCLIMGRID
2001Apr31.8°F30.6°F+1.1°NCLIMGRID
2001May42.0°F39.7°F+2.3°NCLIMGRID
2001Jun48.9°F48.4°F+0.5°NCLIMGRID
2001Jul56.7°F56.1°F+0.6°NCLIMGRID
2001Aug58.0°F54.3°F+3.7°NCLIMGRID
2001Sep49.7°F45.6°F+4.1°NCLIMGRID
2001Oct34.2°F34.8°F-0.6°NCLIMGRID
2001Nov28.1°F21.8°F+6.3°NCLIMGRID
2001Dec15.2°F13.5°F+1.7°NCLIMGRID
2002Jan14.0°F13.9°F+0.0°NCLIMGRID
2002Feb13.8°F17.6°F-3.8°NCLIMGRID
2002Mar20.6°F23.1°F-2.5°NCLIMGRID
2002Apr31.8°F30.6°F+1.1°NCLIMGRID
2002May38.8°F39.7°F-0.9°NCLIMGRID
2002Jun49.2°F48.4°F+0.8°NCLIMGRID
2002Jul59.7°F56.1°F+3.6°NCLIMGRID
2002Aug52.3°F54.3°F-2.0°NCLIMGRID
2002Sep46.2°F45.6°F+0.6°NCLIMGRID
2002Oct31.4°F34.8°F-3.5°NCLIMGRID
2002Nov22.2°F21.8°F+0.5°NCLIMGRID
2002Dec18.8°F13.5°F+5.2°NCLIMGRID
2003Jan23.0°F13.9°F+9.0°NCLIMGRID
2003Feb15.0°F17.6°F-2.6°NCLIMGRID
2003Mar26.2°F23.1°F+3.1°NCLIMGRID
2003Apr33.1°F30.6°F+2.4°NCLIMGRID
2003May41.1°F39.7°F+1.4°NCLIMGRID
2003Jun47.8°F48.4°F-0.7°NCLIMGRID
2003Jul59.9°F56.1°F+3.8°NCLIMGRID
2003Aug58.4°F54.3°F+4.0°NCLIMGRID
2003Sep45.1°F45.6°F-0.6°NCLIMGRID
2003Oct38.9°F34.8°F+4.0°NCLIMGRID
2003Nov18.0°F21.8°F-3.8°NCLIMGRID
2003Dec19.5°F13.5°F+6.0°NCLIMGRID
2004Jan16.1°F13.9°F+2.2°NCLIMGRID
2004Feb18.2°F17.6°F+0.6°NCLIMGRID
2004Mar29.7°F23.1°F+6.6°NCLIMGRID
2004Apr35.3°F30.6°F+4.7°NCLIMGRID
2004May39.1°F39.7°F-0.6°NCLIMGRID
2004Jun47.8°F48.4°F-0.7°NCLIMGRID
2004Jul54.8°F56.1°F-1.3°NCLIMGRID
2004Aug52.1°F54.3°F-2.2°NCLIMGRID
2004Sep45.2°F45.6°F-0.5°NCLIMGRID
2004Oct36.0°F34.8°F+1.2°NCLIMGRID
2004Nov24.7°F21.8°F+2.9°NCLIMGRID
2004Dec18.3°F13.5°F+4.8°NCLIMGRID
2005Jan21.0°F13.9°F+7.0°NCLIMGRID
2005Feb18.4°F17.6°F+0.8°NCLIMGRID
2005Mar25.5°F23.1°F+2.4°NCLIMGRID
2005Apr32.2°F30.6°F+1.6°NCLIMGRID
2005May39.8°F39.7°F+0.1°NCLIMGRID
2005Jun46.8°F48.4°F-1.6°NCLIMGRID
2005Jul57.6°F56.1°F+1.5°NCLIMGRID
2005Aug53.6°F54.3°F-0.8°NCLIMGRID
2005Sep45.5°F45.6°F-0.2°NCLIMGRID
2005Oct37.5°F34.8°F+2.7°NCLIMGRID
2005Nov22.4°F21.8°F+0.6°NCLIMGRID
2005Dec14.7°F13.5°F+1.2°NCLIMGRID
2006Jan19.1°F13.9°F+5.2°NCLIMGRID
2006Feb14.8°F17.6°F-2.8°NCLIMGRID
2006Mar23.8°F23.1°F+0.7°NCLIMGRID
2006Apr35.4°F30.6°F+4.8°NCLIMGRID
2006May41.6°F39.7°F+1.9°NCLIMGRID
2006Jun51.7°F48.4°F+3.3°NCLIMGRID
2006Jul59.8°F56.1°F+3.7°NCLIMGRID
2006Aug53.6°F54.3°F-0.7°NCLIMGRID
2006Sep45.4°F45.6°F-0.3°NCLIMGRID
2006Oct33.4°F34.8°F-1.4°NCLIMGRID
2006Nov25.1°F21.8°F+3.3°NCLIMGRID
2006Dec16.4°F13.5°F+2.9°NCLIMGRID
2007Jan10.7°F13.9°F-3.2°NCLIMGRID
2007Feb21.4°F17.6°F+3.8°NCLIMGRID
2007Mar30.9°F23.1°F+7.8°NCLIMGRID
2007Apr34.6°F30.6°F+3.9°NCLIMGRID
2007May43.0°F39.7°F+3.3°NCLIMGRID
2007Jun51.2°F48.4°F+2.8°NCLIMGRID
2007Jul61.8°F56.1°F+5.7°NCLIMGRID
2007Aug56.0°F54.3°F+1.7°NCLIMGRID
2007Sep47.6°F45.6°F+1.9°NCLIMGRID
2007Oct35.2°F34.8°F+0.4°NCLIMGRID
2007Nov25.3°F21.8°F+3.5°NCLIMGRID
2007Dec14.4°F13.5°F+0.9°NCLIMGRID
2008Jan11.9°F13.9°F-2.0°NCLIMGRID
2008Feb19.6°F17.6°F+2.0°NCLIMGRID
2008Mar19.4°F23.1°F-3.7°NCLIMGRID
2008Apr26.1°F30.6°F-4.5°NCLIMGRID
2008May39.3°F39.7°F-0.4°NCLIMGRID
2008Jun47.2°F48.4°F-1.2°NCLIMGRID
2008Jul56.6°F56.1°F+0.5°NCLIMGRID
2008Aug55.5°F54.3°F+1.1°NCLIMGRID
2008Sep45.7°F45.6°F+0.1°NCLIMGRID
2008Oct35.8°F34.8°F+1.0°NCLIMGRID
2008Nov27.3°F21.8°F+5.5°NCLIMGRID
2008Dec14.4°F13.5°F+0.9°NCLIMGRID
2009Jan17.7°F13.9°F+3.8°NCLIMGRID
2009Feb19.4°F17.6°F+1.8°NCLIMGRID
2009Mar23.7°F23.1°F+0.6°NCLIMGRID
2009Apr32.2°F30.6°F+1.5°NCLIMGRID
2009May40.3°F39.7°F+0.6°NCLIMGRID
2009Jun46.5°F48.4°F-1.9°NCLIMGRID
2009Jul54.6°F56.1°F-1.5°NCLIMGRID
2009Aug53.6°F54.3°F-0.7°NCLIMGRID
2009Sep50.9°F45.6°F+5.3°NCLIMGRID
2009Oct29.0°F34.8°F-5.8°NCLIMGRID
2009Nov25.1°F21.8°F+3.3°NCLIMGRID
2009Dec10.6°F13.5°F-2.9°NCLIMGRID
2010Jan18.8°F13.9°F+4.9°NCLIMGRID
2010Feb19.1°F17.6°F+1.5°NCLIMGRID
2010Mar27.2°F23.1°F+4.1°NCLIMGRID
2010Apr31.6°F30.6°F+0.9°NCLIMGRID
2010May34.8°F39.7°F-4.9°NCLIMGRID
2010Jun47.2°F48.4°F-1.2°NCLIMGRID
2010Jul54.7°F56.1°F-1.4°NCLIMGRID
2010Aug53.4°F54.3°F-0.9°NCLIMGRID
2010Sep47.7°F45.6°F+2.1°NCLIMGRID
2010Oct39.8°F34.8°F+4.9°NCLIMGRID
2010Nov22.5°F21.8°F+0.7°NCLIMGRID
2010Dec19.5°F13.5°F+5.9°NCLIMGRID
2011Jan16.5°F13.9°F+2.5°NCLIMGRID
2011Feb14.3°F17.6°F-3.3°NCLIMGRID
2011Mar25.5°F23.1°F+2.4°NCLIMGRID
2011Apr28.2°F30.6°F-2.4°NCLIMGRID
2011May37.5°F39.7°F-2.1°NCLIMGRID
2011Jun45.5°F48.4°F-2.9°NCLIMGRID
2011Jul55.6°F56.1°F-0.5°NCLIMGRID
2011Aug55.8°F54.3°F+1.5°NCLIMGRID
2011Sep48.9°F45.6°F+3.3°NCLIMGRID
2011Oct37.9°F34.8°F+3.0°NCLIMGRID
2011Nov21.3°F21.8°F-0.5°NCLIMGRID
2011Dec14.3°F13.5°F+0.7°NCLIMGRID
2012Jan17.8°F13.9°F+3.9°NCLIMGRID
2012Feb17.8°F17.6°F+0.2°NCLIMGRID
2012Mar29.3°F23.1°F+6.2°NCLIMGRID
2012Apr36.2°F30.6°F+5.5°NCLIMGRID
2012May40.4°F39.7°F+0.7°NCLIMGRID
2012Jun49.9°F48.4°F+1.5°NCLIMGRID
2012Jul58.6°F56.1°F+2.5°NCLIMGRID
2012Aug57.7°F54.3°F+3.4°NCLIMGRID
2012Sep49.9°F45.6°F+4.3°NCLIMGRID
2012Oct34.5°F34.8°F-0.3°NCLIMGRID
2012Nov27.3°F21.8°F+5.5°NCLIMGRID
2012Dec16.5°F13.5°F+3.0°NCLIMGRID
2013Jan12.8°F13.9°F-1.2°NCLIMGRID
2013Feb18.4°F17.6°F+0.8°NCLIMGRID
2013Mar23.0°F23.1°F-0.1°NCLIMGRID
2013Apr28.2°F30.6°F-2.5°NCLIMGRID
2013May41.7°F39.7°F+2.0°NCLIMGRID
2013Jun50.4°F48.4°F+2.0°NCLIMGRID
2013Jul59.5°F56.1°F+3.4°NCLIMGRID
2013Aug58.1°F54.3°F+3.8°NCLIMGRID
2013Sep48.6°F45.6°F+3.0°NCLIMGRID
2013Oct33.2°F34.8°F-1.7°NCLIMGRID
2013Nov25.3°F21.8°F+3.5°NCLIMGRID
2013Dec12.1°F13.5°F-1.4°NCLIMGRID
2014Jan17.0°F13.9°F+3.1°NCLIMGRID
2014Feb16.0°F17.6°F-1.6°NCLIMGRID
2014Mar24.7°F23.1°F+1.6°NCLIMGRID
2014Apr31.2°F30.6°F+0.6°NCLIMGRID
2014May42.3°F39.7°F+2.6°NCLIMGRID
2014Jun46.9°F48.4°F-1.5°NCLIMGRID
2014Jul57.7°F56.1°F+1.6°NCLIMGRID
2014Aug53.0°F54.3°F-1.3°NCLIMGRID
2014Sep48.1°F45.6°F+2.4°NCLIMGRID
2014Oct39.2°F34.8°F+4.4°NCLIMGRID
2014Nov22.2°F21.8°F+0.5°NCLIMGRID
2014Dec20.2°F13.5°F+6.6°NCLIMGRID
2015Jan20.7°F13.9°F+6.8°NCLIMGRID
2015Feb24.1°F17.6°F+6.5°NCLIMGRID
2015Mar30.3°F23.1°F+7.2°NCLIMGRID
2015Apr33.9°F30.6°F+3.3°NCLIMGRID
2015May42.5°F39.7°F+2.8°NCLIMGRID
2015Jun54.9°F48.4°F+6.5°NCLIMGRID
2015Jul55.0°F56.1°F-1.1°NCLIMGRID
2015Aug54.7°F54.3°F+0.4°NCLIMGRID
2015Sep49.5°F45.6°F+3.9°NCLIMGRID
2015Oct42.1°F34.8°F+7.2°NCLIMGRID
2015Nov20.9°F21.8°F-0.9°NCLIMGRID
2015Dec15.6°F13.5°F+2.1°NCLIMGRID
2016Jan19.8°F13.9°F+5.9°NCLIMGRID
2016Feb23.7°F17.6°F+6.1°NCLIMGRID
2016Mar26.5°F23.1°F+3.4°NCLIMGRID
2016Apr37.2°F30.6°F+6.6°NCLIMGRID
2016May42.0°F39.7°F+2.3°NCLIMGRID
2016Jun53.2°F48.4°F+4.8°NCLIMGRID
2016Jul56.0°F56.1°F-0.1°NCLIMGRID
2016Aug55.3°F54.3°F+1.0°NCLIMGRID
2016Sep47.8°F45.6°F+2.1°NCLIMGRID
2016Oct37.9°F34.8°F+3.1°NCLIMGRID
2016Nov30.4°F21.8°F+8.6°NCLIMGRID
2016Dec11.0°F13.5°F-2.5°NCLIMGRID
2017Jan11.5°F13.9°F-2.4°NCLIMGRID
2017Feb22.9°F17.6°F+5.3°NCLIMGRID
2017Mar33.0°F23.1°F+9.9°NCLIMGRID
2017Apr32.8°F30.6°F+2.2°NCLIMGRID
2017May41.5°F39.7°F+1.8°NCLIMGRID
2017Jun49.6°F48.4°F+1.2°NCLIMGRID
2017Jul59.2°F56.1°F+3.1°NCLIMGRID
2017Aug55.8°F54.3°F+1.4°NCLIMGRID
2017Sep46.7°F45.6°F+1.1°NCLIMGRID
2017Oct33.8°F34.8°F-1.0°NCLIMGRID
2017Nov25.7°F21.8°F+3.9°NCLIMGRID
2017Dec17.2°F13.5°F+3.7°NCLIMGRID
2018Jan21.1°F13.9°F+7.1°NCLIMGRID
2018Feb16.4°F17.6°F-1.2°NCLIMGRID
2018Mar24.3°F23.1°F+1.2°NCLIMGRID
2018Apr32.7°F30.6°F+2.1°NCLIMGRID
2018May44.8°F39.7°F+5.1°NCLIMGRID
2018Jun49.0°F48.4°F+0.6°NCLIMGRID
2018Jul58.4°F56.1°F+2.3°NCLIMGRID
2018Aug55.1°F54.3°F+0.8°NCLIMGRID
2018Sep49.2°F45.6°F+3.6°NCLIMGRID
2018Oct34.9°F34.8°F+0.0°NCLIMGRID
2018Nov20.6°F21.8°F-1.2°NCLIMGRID
2018Dec16.2°F13.5°F+2.7°NCLIMGRID
2019Jan16.8°F13.9°F+2.9°NCLIMGRID
2019Feb16.0°F17.6°F-1.6°NCLIMGRID
2019Mar22.0°F23.1°F-1.1°NCLIMGRID
2019Apr33.9°F30.6°F+3.2°NCLIMGRID
2019May39.0°F39.7°F-0.6°NCLIMGRID
2019Jun47.5°F48.4°F-0.9°NCLIMGRID
2019Jul56.5°F56.1°F+0.4°NCLIMGRID
2019Aug55.4°F54.3°F+1.1°NCLIMGRID
2019Sep46.6°F45.6°F+1.0°NCLIMGRID
2019Oct24.9°F34.8°F-9.9°NCLIMGRID
2019Nov23.5°F21.8°F+1.8°NCLIMGRID
2019Dec17.9°F13.5°F+4.4°NCLIMGRID
2020Jan19.0°F13.9°F+5.1°NCLIMGRID
2020Feb14.1°F17.6°F-3.5°NCLIMGRID
2020Mar25.7°F23.1°F+2.6°NCLIMGRID
2020Apr29.9°F30.6°F-0.7°NCLIMGRID
2020May41.7°F39.7°F+2.0°NCLIMGRID
2020Jun47.7°F48.4°F-0.7°NCLIMGRID
2020Jul55.1°F56.1°F-1.0°NCLIMGRID
2020Aug57.2°F54.3°F+2.9°NCLIMGRID
2020Sep48.4°F45.6°F+2.8°NCLIMGRID
2020Oct34.2°F34.8°F-0.6°NCLIMGRID
2020Nov23.0°F21.8°F+1.2°NCLIMGRID
2020Dec16.3°F13.5°F+2.8°NCLIMGRID
2021Jan16.5°F13.9°F+2.6°NCLIMGRID
2021Feb16.0°F17.6°F-1.6°NCLIMGRID
2021Mar24.7°F23.1°F+1.6°NCLIMGRID
2021Apr30.6°F30.6°F+0.0°NCLIMGRID
2021May41.3°F39.7°F+1.6°NCLIMGRID
2021Jun55.0°F48.4°F+6.5°NCLIMGRID
2021Jul61.3°F56.1°F+5.2°NCLIMGRID
2021Aug55.0°F54.3°F+0.6°NCLIMGRID
2021Sep48.7°F45.6°F+3.0°NCLIMGRID
2021Oct36.6°F34.8°F+1.7°NCLIMGRID
2021Nov28.0°F21.8°F+6.2°NCLIMGRID
2021Dec19.9°F13.5°F+6.4°NCLIMGRID
2022Jan15.9°F13.9°F+2.0°NCLIMGRID
2022Feb14.9°F17.6°F-2.7°NCLIMGRID
2022Mar25.9°F23.1°F+2.8°NCLIMGRID
2022Apr27.1°F30.6°F-3.6°NCLIMGRID
2022May37.4°F39.7°F-2.3°NCLIMGRID
2022Jun47.5°F48.4°F-0.9°NCLIMGRID
2022Jul59.6°F56.1°F+3.6°NCLIMGRID
2022Aug58.4°F54.3°F+4.1°NCLIMGRID
2022Sep51.8°F45.6°F+6.2°NCLIMGRID
2022Oct37.9°F34.8°F+3.1°NCLIMGRID
2022Nov17.3°F21.8°F-4.5°NCLIMGRID
2022Dec15.1°F13.5°F+1.6°NCLIMGRID
2023Jan14.4°F13.9°F+0.5°NCLIMGRID
2023Feb14.5°F17.6°F-3.1°NCLIMGRID
2023Mar17.7°F23.1°F-5.4°NCLIMGRID
2023Apr28.1°F30.6°F-2.5°NCLIMGRID
2023May44.6°F39.7°F+4.9°NCLIMGRID
2023Jun48.2°F48.4°F-0.2°NCLIMGRID
2023Jul57.6°F56.1°F+1.5°NCLIMGRID
2023Aug55.8°F54.3°F+1.4°NCLIMGRID
2023Sep48.9°F45.6°F+3.2°NCLIMGRID
2023Oct36.9°F34.8°F+2.0°NCLIMGRID
2023Nov26.2°F21.8°F+4.4°NCLIMGRID
2023Dec20.6°F13.5°F+7.1°NCLIMGRID
2024Jan15.4°F13.9°F+1.5°NCLIMGRID
2024Feb20.9°F17.6°F+3.3°NCLIMGRID
2024Mar23.3°F23.1°F+0.2°NCLIMGRID
2024Apr33.1°F30.6°F+2.4°NCLIMGRID
2024May37.5°F39.7°F-2.1°NCLIMGRID
2024Jun51.1°F48.4°F+2.7°NCLIMGRID
2024Jul57.1°F56.1°F+1.0°NCLIMGRID
2024Aug55.2°F54.3°F+0.9°NCLIMGRID
2024Sep49.4°F45.6°F+3.8°NCLIMGRID
2024Oct39.2°F34.8°F+4.4°NCLIMGRID
2024Nov20.8°F21.8°F-1.0°NCLIMGRID
2024Dec21.8°F13.5°F+8.3°NCLIMGRID
2025Jan12.3°F13.9°F-1.7°NCLIMGRID
2025Feb19.1°F17.6°F+1.5°NCLIMGRID
2025Mar26.9°F23.1°F+3.8°NCLIMGRID
2025Apr31.7°F30.6°F+1.1°NCLIMGRID
2025May42.7°F39.7°F+3.0°NCLIMGRID
2025Jun51.7°F48.4°F+3.3°NCLIMGRID
2025Jul59.0°F56.1°F+2.9°NCLIMGRID
2025Aug56.1°F54.3°F+1.8°NCLIMGRID
2025Sep50.9°F45.6°F+5.2°NCLIMGRID
2025Oct36.8°F34.8°F+2.0°NCLIMGRID
2025Nov30.6°F21.8°F+8.8°NCLIMGRID
2025Dec24.2°F13.5°F+10.6°NCLIMGRID
2026Jan16.3°F13.9°F+2.4°NCLIMGRID
2026Feb23.0°F17.6°F+5.4°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
January13.9°F26/26
February17.6°F26/26
March23.1°F26/26
April30.6°F26/26
May39.7°F26/26
June48.4°F26/26
July56.1°F26/26
August54.3°F26/26
September45.6°F26/26
October34.8°F26/26
November21.8°F26/26
December13.5°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 Yellowstone National Park, Wyoming getting warmer?

Based on 96+ years of NOAA temperature records, Yellowstone National Park 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 Yellowstone National Park?

The warmest year on record in Yellowstone National Park was 1934, based on average annual temperature anomaly from NOAA station data.

Where does the temperature data for Yellowstone National Park 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 Yellowstone National Park's climate profile.

How are the climate visualizations for Yellowstone National Park created?

Three visualizations are generated from Yellowstone National Park'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 Yellowstone National Park's temperature data?

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

Wear Yellowstone National Park's Climate Story

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

Shop Yellowstone National Park Climate Apparel →

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