Climate Change in Columbia, California

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

Based on our analysis of 96 years of temperature data near Columbia, CA, this area shows relatively stable temperatures of approximately +0.2°F per decade. 10 of the last 10 years recorded above-average temperatures, and 2014 was the warmest year on record at +3.2°F above the historical baseline.

Key Climate Facts

Rate of Change

+0.2°F

per decade

Warmest Year

2014

+3.2°F anomaly

Recent Warm Years

10 / 10

above-average years

Decade Shift

+1.5°F

2020s vs 1930s

Compared to the National Average

Columbia is warming at roughly the national average rate.

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

Temperature anomaly spiral for Columbia, California
Climate spiral: monthly temperature anomalies from 96+ years of NOAA records for Columbia, CA.

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 Columbia, California
Warming stripes: each stripe is one year of average temperature anomaly for Columbia, CA.

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 Columbia, California
Linear trend: annual temperature anomalies with trend line for Columbia, CA.

Temperature by Decade

1930s
+0.68°F
1940s
-0.42°F
1950s
-0.07°F
1960s
-0.19°F
1970s
-0.21°F
1980s
+0.16°F
1990s
+0.24°F
2000s
+0.77°F
2010s
+1.38°F
2020s
+2.25°F

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

Anomaly Scale

-4.3°F Colder Normal +5.0°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 Columbia, CA. Filter by decade or download as CSV.

Data Sources & Audit

Station
nClimGrid 5km Grid Point
Distance
0.8 mi
Coverage
99.1%
Records
1,154
Range
1930-01 – 2026-02
Full Data Audit 1,154 records
YearMonthTempBaselineAnomalySourceGap
1930Jan40.5°F42.9°F-2.4°NCLIMGRID
1930Feb49.5°F45.9°F+3.6°NCLIMGRID
1930Mar50.4°F48.2°F+2.2°NCLIMGRID
1930Apr55.4°F52.7°F+2.7°NCLIMGRID
1930May57.0°F60.8°F-3.8°NCLIMGRID
1930Jun69.4°F68.5°F+0.9°NCLIMGRID
1930Jul75.8°F75.0°F+0.8°NCLIMGRID
1930Aug73.9°F74.0°F-0.1°NCLIMGRID
1930Sep64.7°F69.0°F-4.3°NCLIMGRID
1930Oct58.0°F59.8°F-1.9°NCLIMGRID
1930Nov51.0°F48.9°F+2.1°NCLIMGRID
1930Dec42.5°F42.6°F-0.1°NCLIMGRID
1931Jan44.6°F42.9°F+1.7°NCLIMGRID
1931Feb47.8°F45.9°F+1.8°NCLIMGRID
1931Mar51.6°F48.2°F+3.5°NCLIMGRID
1931Apr58.8°F52.7°F+6.1°NCLIMGRID
1931May66.3°F60.8°F+5.5°NCLIMGRID
1931Jun67.5°F68.5°F-1.0°NCLIMGRID
1931Jul80.9°F75.0°F+5.9°NCLIMGRID
1931Aug77.6°F74.0°F+3.6°NCLIMGRID
1931Sep66.7°F69.0°F-2.3°NCLIMGRID
1931Oct59.2°F59.8°F-0.6°NCLIMGRID
1931Nov46.2°F48.9°F-2.7°NCLIMGRID
1931Dec41.0°F42.6°F-1.6°NCLIMGRID
1932Jan39.6°F42.9°F-3.3°NCLIMGRID
1932Feb43.8°F45.9°F-2.2°NCLIMGRID
1932Mar51.2°F48.2°F+3.0°NCLIMGRID
1932Apr52.4°F52.7°F-0.4°NCLIMGRID
1932May61.0°F60.8°F+0.2°NCLIMGRID
1932Jun69.9°F68.5°F+1.4°NCLIMGRID
1932Jul74.2°F75.0°F-0.8°NCLIMGRID
1932Aug73.7°F74.0°F-0.3°NCLIMGRID
1932Sep72.6°F69.0°F+3.7°NCLIMGRID
1932Oct59.7°F59.8°F-0.1°NCLIMGRID
1932Nov54.7°F48.9°F+5.7°NCLIMGRID
1932Dec38.3°F42.6°F-4.3°NCLIMGRID
1933Jan37.5°F42.9°F-5.4°NCLIMGRID
1933Feb41.8°F45.9°F-4.2°NCLIMGRID
1933Mar49.3°F48.2°F+1.2°NCLIMGRID
1933Apr54.5°F52.7°F+1.8°NCLIMGRID
1933May55.2°F60.8°F-5.6°NCLIMGRID
1933Jun67.1°F68.5°F-1.4°NCLIMGRID
1933Jul79.1°F75.0°F+4.1°NCLIMGRID
1933Aug76.5°F74.0°F+2.5°NCLIMGRID
1933Sep67.0°F69.0°F-2.0°NCLIMGRID
1933Oct64.9°F59.8°F+5.1°NCLIMGRID
1933Nov51.4°F48.9°F+2.5°NCLIMGRID
1933Dec43.0°F42.6°F+0.4°NCLIMGRID
1934Jan43.4°F42.9°F+0.5°NCLIMGRID
1934Feb48.0°F45.9°F+2.0°NCLIMGRID
1934Mar56.6°F48.2°F+8.4°NCLIMGRID
1934Apr59.9°F52.7°F+7.2°NCLIMGRID
1934May64.3°F60.8°F+3.5°NCLIMGRID
1934Jun66.6°F68.5°F-1.9°NCLIMGRID
1934Jul75.6°F75.0°F+0.6°NCLIMGRID
1934Aug76.9°F74.0°F+3.0°NCLIMGRID
1934Sep70.7°F69.0°F+1.7°NCLIMGRID
1934Oct60.6°F59.8°F+0.7°NCLIMGRID
1934Nov49.9°F48.9°F+1.0°NCLIMGRID
1934Dec43.7°F42.6°F+1.1°NCLIMGRID
1935Jan42.7°F42.9°F-0.3°NCLIMGRID
1935Feb44.6°F45.9°F-1.4°NCLIMGRID
1935Mar44.6°F48.2°F-3.6°NCLIMGRID
1935Apr53.9°F52.7°F+1.1°NCLIMGRID
1935May61.2°F60.8°F+0.4°NCLIMGRID
1935Jun71.0°F68.5°F+2.5°NCLIMGRID
1935Jul73.6°F75.0°F-1.4°NCLIMGRID
1935Aug76.4°F74.0°F+2.4°NCLIMGRID
1935Sep71.0°F69.0°F+2.0°NCLIMGRID
1935Oct57.2°F59.8°F-2.7°NCLIMGRID
1935Nov47.4°F48.9°F-1.5°NCLIMGRID
1935Dec45.0°F42.6°F+2.4°NCLIMGRID
1936Jan44.4°F42.9°F+1.5°NCLIMGRID
1936Feb44.1°F45.9°F-1.9°NCLIMGRID
1936Mar51.4°F48.2°F+3.2°NCLIMGRID
1936Apr55.7°F52.7°F+2.9°NCLIMGRID
1936May63.2°F60.8°F+2.4°NCLIMGRID
1936Jun68.4°F68.5°F-0.1°NCLIMGRID
1936Jul77.1°F75.0°F+2.1°NCLIMGRID
1936Aug76.7°F74.0°F+2.8°NCLIMGRID
1936Sep70.8°F69.0°F+1.8°NCLIMGRID
1936Oct61.8°F59.8°F+2.0°NCLIMGRID
1936Nov51.0°F48.9°F+2.0°NCLIMGRID
1936Dec42.0°F42.6°F-0.6°NCLIMGRID
1937Jan32.7°F42.9°F-10.2°NCLIMGRID
1937Feb42.8°F45.9°F-3.1°NCLIMGRID
1937Mar48.1°F48.2°F-0.1°NCLIMGRID
1937Apr52.1°F52.7°F-0.6°NCLIMGRID
1937May63.7°F60.8°F+2.9°NCLIMGRID
1937Jun68.3°F68.5°F-0.1°NCLIMGRID
1937Jul77.4°F75.0°F+2.4°NCLIMGRID
1937Aug76.0°F74.0°F+2.1°NCLIMGRID
1937Sep69.3°F69.0°F+0.3°NCLIMGRID
1937Oct61.3°F59.8°F+1.5°NCLIMGRID
1937Nov50.1°F48.9°F+1.2°NCLIMGRID
1937Dec45.0°F42.6°F+2.4°NCLIMGRID
1938Jan44.2°F42.9°F+1.3°NCLIMGRID
1938Feb42.9°F45.9°F-3.0°NCLIMGRID
1938Mar44.7°F48.2°F-3.5°NCLIMGRID
1938Apr52.4°F52.7°F-0.3°NCLIMGRID
1938May61.7°F60.8°F+0.9°NCLIMGRID
1938Jun70.5°F68.5°F+2.0°NCLIMGRID
1938Jul75.7°F75.0°F+0.7°NCLIMGRID
1938Aug74.0°F74.0°F+0.1°NCLIMGRID
1938Sep69.9°F69.0°F+1.0°NCLIMGRID
1938Oct57.6°F59.8°F-2.2°NCLIMGRID
1938Nov47.5°F48.9°F-1.4°NCLIMGRID
1938Dec46.1°F42.6°F+3.5°NCLIMGRID
1939Jan43.5°F42.9°F+0.6°NCLIMGRID
1939Feb40.9°F45.9°F-5.1°NCLIMGRID
1939Mar48.8°F48.2°F+0.6°NCLIMGRID
1939Apr58.1°F52.7°F+5.4°NCLIMGRID
1939May62.1°F60.8°F+1.3°NCLIMGRID
1939Jun68.3°F68.5°F-0.2°NCLIMGRID
1939Jul75.9°F75.0°F+0.9°NCLIMGRID
1939Aug76.9°F74.0°F+2.9°NCLIMGRID
1939Sep70.3°F69.0°F+1.3°NCLIMGRID
1939Oct59.7°F59.8°F-0.1°NCLIMGRID
1939Nov53.3°F48.9°F+4.4°NCLIMGRID
1939Dec47.6°F42.6°F+5.0°NCLIMGRID
1940Jan45.4°F42.9°F+2.5°NCLIMGRID
1940Feb47.4°F45.9°F+1.4°NCLIMGRID
1940Mar51.5°F48.2°F+3.3°NCLIMGRID
1940Apr55.0°F52.7°F+2.3°NCLIMGRID
1940May64.7°F60.8°F+3.9°NCLIMGRID
1940Jun73.6°F68.5°F+5.1°NCLIMGRID
1940Jul73.6°F75.0°F-1.4°NCLIMGRID
1940Aug75.0°F74.0°F+1.0°NCLIMGRID
1940Sep65.9°F69.0°F-3.0°NCLIMGRID
1940Oct60.5°F59.8°F+0.7°NCLIMGRID
1940Nov48.3°F48.9°F-0.6°NCLIMGRID
1940Dec47.2°F42.6°F+4.6°NCLIMGRID
1941Jan44.7°F42.9°F+1.8°NCLIMGRID
1941Feb48.1°F45.9°F+2.1°NCLIMGRID
1941Mar50.7°F48.2°F+2.5°NCLIMGRID
1941Apr51.1°F52.7°F-1.6°NCLIMGRID
1941May61.5°F60.8°F+0.7°NCLIMGRID
1941Jun65.5°F68.5°F-3.0°NCLIMGRID
1941Jul76.3°F75.0°F+1.3°NCLIMGRID
1941Aug72.1°F74.0°F-1.9°NCLIMGRID
1941Sep66.1°F69.0°F-2.9°NCLIMGRID
1941Oct57.4°F59.8°F-2.4°NCLIMGRID
1941Nov52.1°F48.9°F+3.2°NCLIMGRID
1941Dec43.3°F42.6°F+0.7°NCLIMGRID
1942Jan43.8°F42.9°F+0.9°NCLIMGRID
1942Feb43.1°F45.9°F-2.8°NCLIMGRID
1942Mar47.9°F48.2°F-0.3°NCLIMGRID
1942Apr51.8°F52.7°F-0.9°NCLIMGRID
1942May56.4°F60.8°F-4.4°NCLIMGRID
1942Jun67.1°F68.5°F-1.4°NCLIMGRID
1942Jul76.4°F75.0°F+1.4°NCLIMGRID
1942Aug75.5°F74.0°F+1.5°NCLIMGRID
1942Sep68.5°F69.0°F-0.5°NCLIMGRID
1942Oct61.4°F59.8°F+1.5°NCLIMGRID
1942Nov50.2°F48.9°F+1.2°NCLIMGRID
1942Dec44.4°F42.6°F+1.8°NCLIMGRID
1943Jan43.7°F42.9°F+0.7°NCLIMGRID
1943Feb48.3°F45.9°F+2.3°NCLIMGRID
1943Mar49.8°F48.2°F+1.6°NCLIMGRID
1943Apr55.2°F52.7°F+2.5°NCLIMGRID
1943May62.6°F60.8°F+1.8°NCLIMGRID
1943Jun63.6°F68.5°F-4.9°NCLIMGRID
1943Jul74.8°F75.0°F-0.2°NCLIMGRID
1943Aug71.5°F74.0°F-2.5°NCLIMGRID
1943Sep71.8°F69.0°F+2.8°NCLIMGRID
1943Oct60.0°F59.8°F+0.1°NCLIMGRID
1943Nov51.5°F48.9°F+2.6°NCLIMGRID
1943Dec43.7°F42.6°F+1.1°NCLIMGRID
1944Jan42.9°F42.9°F+0.0°NCLIMGRID
1944Feb42.2°F45.9°F-3.8°NCLIMGRID
1944Mar48.0°F48.2°F-0.2°NCLIMGRID
1944Apr48.9°F52.7°F-3.8°NCLIMGRID
1944May60.1°F60.8°F-0.7°NCLIMGRID
1944Jun62.6°F68.5°F-5.9°NCLIMGRID
1944Jul72.6°F75.0°F-2.4°NCLIMGRID
1944Aug72.6°F74.0°F-1.4°NCLIMGRID
1944Sep71.0°F69.0°F+2.0°NCLIMGRID
1944Oct62.1°F59.8°F+2.3°NCLIMGRID
1944Nov46.0°F48.9°F-2.9°NCLIMGRID
1944Dec45.1°F42.6°F+2.5°NCLIMGRID
1945Jan41.9°F42.9°F-1.1°NCLIMGRID
1945Feb45.1°F45.9°F-0.8°NCLIMGRID
1945Mar43.0°F48.2°F-5.2°NCLIMGRID
1945Apr53.3°F52.7°F+0.6°NCLIMGRID
1945May57.7°F60.8°F-3.1°NCLIMGRID
1945Jun66.9°F68.5°F-1.6°NCLIMGRID
1945Jul77.3°F75.0°F+2.3°NCLIMGRID
1945Aug73.3°F74.0°F-0.6°NCLIMGRID
1945Sep70.8°F69.0°F+1.8°NCLIMGRID
1945Oct61.4°F59.8°F+1.5°NCLIMGRID
1945Nov46.2°F48.9°F-2.7°NCLIMGRID
1945Dec42.4°F42.6°F-0.2°NCLIMGRID
1946Jan42.4°F42.9°F-0.6°NCLIMGRID
1946Feb41.8°F45.9°F-4.1°NCLIMGRID
1946Mar47.2°F48.2°F-1.0°NCLIMGRID
1946Apr55.0°F52.7°F+2.2°NCLIMGRID
1946May60.6°F60.8°F-0.2°NCLIMGRID
1946Jun65.0°F68.5°F-3.4°NCLIMGRID
1946Jul74.1°F75.0°F-0.9°NCLIMGRID
1946Aug74.6°F74.0°F+0.6°NCLIMGRID
1946Sep68.5°F69.0°F-0.5°NCLIMGRID
1946Oct55.1°F59.8°F-4.8°NCLIMGRID
1946Nov45.7°F48.9°F-3.2°NCLIMGRID
1946Dec43.4°F42.6°F+0.8°NCLIMGRID
1947Jan40.6°F42.9°F-2.3°NCLIMGRID
1947Feb47.8°F45.9°F+1.9°NCLIMGRID
1947Mar50.5°F48.2°F+2.3°NCLIMGRID
1947Apr55.4°F52.7°F+2.7°NCLIMGRID
1947May65.8°F60.8°F+5.0°NCLIMGRID
1947Jun66.8°F68.5°F-1.6°NCLIMGRID
1947Jul70.8°F75.0°F-4.2°NCLIMGRID
1947Aug70.5°F74.0°F-3.4°NCLIMGRID
1947Sep71.6°F69.0°F+2.6°NCLIMGRID
1947Oct58.6°F59.8°F-1.2°NCLIMGRID
1947Nov45.3°F48.9°F-3.6°NCLIMGRID
1947Dec42.2°F42.6°F-0.4°NCLIMGRID
1948Jan46.7°F42.9°F+3.8°NCLIMGRID
1948Feb41.5°F45.9°F-4.5°NCLIMGRID
1948Mar43.3°F48.2°F-4.9°NCLIMGRID
1948Apr49.4°F52.7°F-3.3°NCLIMGRID
1948May55.6°F60.8°F-5.2°NCLIMGRID
1948Jun66.3°F68.5°F-2.2°NCLIMGRID
1948Jul73.0°F75.0°F-2.0°NCLIMGRID
1948Aug71.8°F74.0°F-2.2°NCLIMGRID
1948Sep69.2°F69.0°F+0.2°NCLIMGRID
1948Oct60.1°F59.8°F+0.3°NCLIMGRID
1948Nov47.8°F48.9°F-1.1°NCLIMGRID
1948Dec37.9°F42.6°F-4.7°NCLIMGRID
1949Jan33.3°F42.9°F-9.7°NCLIMGRID
1949Feb39.0°F45.9°F-6.9°NCLIMGRID
1949Mar45.0°F48.2°F-3.1°NCLIMGRID
1949Apr56.6°F52.7°F+3.9°NCLIMGRID
1949May60.2°F60.8°F-0.6°NCLIMGRID
1949Jun70.0°F68.5°F+1.5°NCLIMGRID
1949Jul74.8°F75.0°F-0.2°NCLIMGRID
1949Aug71.2°F74.0°F-2.8°NCLIMGRID
1949Sep71.0°F69.0°F+2.0°NCLIMGRID
1949Oct58.9°F59.8°F-0.9°NCLIMGRID
1949Nov56.0°F48.9°F+7.1°NCLIMGRID
1949Dec42.0°F42.6°F-0.6°NCLIMGRID
1950Jan37.4°F42.9°F-5.5°NCLIMGRID
1950Feb46.2°F45.9°F+0.3°NCLIMGRID
1950Mar47.3°F48.2°F-0.9°NCLIMGRID
1950Apr56.3°F52.7°F+3.6°NCLIMGRID
1950May60.4°F60.8°F-0.4°NCLIMGRID
1950Jun66.4°F68.5°F-2.1°NCLIMGRID
1950Jul76.5°F75.0°F+1.5°NCLIMGRID
1950Aug75.0°F74.0°F+1.1°NCLIMGRID
1950Sep67.3°F69.0°F-1.7°NCLIMGRID
1950Oct61.2°F59.8°F+1.3°NCLIMGRID
1950Nov53.5°F48.9°F+4.6°NCLIMGRID
1950Dec46.7°F42.6°F+4.1°NCLIMGRID
1951Jan41.6°F42.9°F-1.3°NCLIMGRID
1951Feb44.6°F45.9°F-1.3°NCLIMGRID
1951Mar47.6°F48.2°F-0.6°NCLIMGRID
1951Apr55.2°F52.7°F+2.4°NCLIMGRID
1951May60.4°F60.8°F-0.4°NCLIMGRID
1951Jun67.9°F68.5°F-0.6°NCLIMGRID
1951Jul74.2°F75.0°F-0.8°NCLIMGRID
1951Aug73.2°F74.0°F-0.8°NCLIMGRID
1951Sep71.4°F69.0°F+2.4°NCLIMGRID
1951Oct58.7°F59.8°F-1.1°NCLIMGRID
1951Nov50.3°F48.9°F+1.4°NCLIMGRID
1951Dec40.6°F42.6°F-1.9°NCLIMGRID
1952Jan39.3°F42.9°F-3.7°NCLIMGRID
1952Feb44.8°F45.9°F-1.1°NCLIMGRID
1952Mar43.1°F48.2°F-5.1°NCLIMGRID
1952Apr54.2°F52.7°F+1.5°NCLIMGRID
1952May62.0°F60.8°F+1.2°NCLIMGRID
1952Jun62.6°F68.5°F-5.8°NCLIMGRID
1952Jul76.4°F75.0°F+1.4°NCLIMGRID
1952Aug74.2°F74.0°F+0.2°NCLIMGRID
1952Sep71.4°F69.0°F+2.4°NCLIMGRID
1952Oct65.4°F59.8°F+5.5°NCLIMGRID
1952Nov48.2°F48.9°F-0.7°NCLIMGRID
1952Dec42.5°F42.6°F-0.1°NCLIMGRID
1953Jan46.4°F42.9°F+3.5°NCLIMGRID
1953Feb46.4°F45.9°F+0.4°NCLIMGRID
1953Mar47.9°F48.2°F-0.3°NCLIMGRID
1953Apr52.4°F52.7°F-0.3°NCLIMGRID
1953May54.0°F60.8°F-6.8°NCLIMGRID
1953Jun62.0°F68.5°F-6.5°NCLIMGRID
1953Jul76.1°F75.0°F+1.1°NCLIMGRID
1953Aug70.7°F74.0°F-3.3°NCLIMGRID
1953Sep71.9°F69.0°F+2.9°NCLIMGRID
1953Oct59.0°F59.8°F-0.8°NCLIMGRID
1953Nov50.6°F48.9°F+1.7°NCLIMGRID
1953Dec45.0°F42.6°F+2.4°NCLIMGRID
1954Jan42.6°F42.9°F-0.3°NCLIMGRID
1954Feb49.9°F45.9°F+4.0°NCLIMGRID
1954Mar45.0°F48.2°F-3.2°NCLIMGRID
1954Apr56.7°F52.7°F+4.0°NCLIMGRID
1954May62.7°F60.8°F+1.9°NCLIMGRID
1954Jun65.4°F68.5°F-3.1°NCLIMGRID
1954Jul75.1°F75.0°F+0.1°NCLIMGRID
1954Aug69.6°F74.0°F-4.4°NCLIMGRID
1954Sep66.3°F69.0°F-2.7°NCLIMGRID
1954Oct59.6°F59.8°F-0.3°NCLIMGRID
1954Nov51.5°F48.9°F+2.6°NCLIMGRID
1954Dec42.3°F42.6°F-0.3°NCLIMGRID
1955Jan38.8°F42.9°F-4.1°NCLIMGRID
1955Feb42.7°F45.9°F-3.2°NCLIMGRID
1955Mar47.9°F48.2°F-0.3°NCLIMGRID
1955Apr47.6°F52.7°F-5.1°NCLIMGRID
1955May58.8°F60.8°F-2.0°NCLIMGRID
1955Jun65.3°F68.5°F-3.2°NCLIMGRID
1955Jul70.2°F75.0°F-4.8°NCLIMGRID
1955Aug76.4°F74.0°F+2.4°NCLIMGRID
1955Sep69.7°F69.0°F+0.7°NCLIMGRID
1955Oct61.5°F59.8°F+1.7°NCLIMGRID
1955Nov48.1°F48.9°F-0.8°NCLIMGRID
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1987Mar47.9°F48.2°F-0.3°NCLIMGRID
1987Apr59.4°F52.7°F+6.7°NCLIMGRID
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1988Mar51.1°F48.2°F+2.9°NCLIMGRID
1988Apr54.4°F52.7°F+1.7°NCLIMGRID
1988May58.5°F60.8°F-2.3°NCLIMGRID
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1989Feb41.5°F45.9°F-4.5°NCLIMGRID
1989Mar49.3°F48.2°F+1.2°NCLIMGRID
1989Apr58.4°F52.7°F+5.7°NCLIMGRID
1989May59.5°F60.8°F-1.3°NCLIMGRID
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1989Nov51.9°F48.9°F+3.0°NCLIMGRID
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1990Mar50.1°F48.2°F+1.9°NCLIMGRID
1990Apr57.5°F52.7°F+4.8°NCLIMGRID
1990May59.5°F60.8°F-1.3°NCLIMGRID
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1991Mar42.8°F48.2°F-5.4°NCLIMGRID
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1997Mar53.4°F48.2°F+5.2°NCLIMGRID
1997Apr55.2°F52.7°F+2.4°NCLIMGRID
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1997Aug74.0°F74.0°F+0.0°NCLIMGRID
1997Sep70.3°F69.0°F+1.3°NCLIMGRID
1997Oct57.8°F59.8°F-2.0°NCLIMGRID
1997Nov50.4°F48.9°F+1.4°NCLIMGRID
1997Dec42.7°F42.6°F+0.1°NCLIMGRID
1998Jan43.7°F42.9°F+0.7°NCLIMGRID
1998Feb42.6°F45.9°F-3.4°NCLIMGRID
1998Mar48.6°F48.2°F+0.4°NCLIMGRID
1998Apr49.4°F52.7°F-3.3°NCLIMGRID
1998May53.0°F60.8°F-7.8°NCLIMGRID
1998Jun63.4°F68.5°F-5.1°NCLIMGRID
1998Jul75.0°F75.0°F+0.0°NCLIMGRID
1998Aug76.6°F74.0°F+2.6°NCLIMGRID
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1998Oct57.2°F59.8°F-2.6°NCLIMGRID
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1999Jan44.2°F42.9°F+1.3°NCLIMGRID
1999Feb44.3°F45.9°F-1.6°NCLIMGRID
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1999Apr50.4°F52.7°F-2.4°NCLIMGRID
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1999Jul71.8°F75.0°F-3.2°NCLIMGRID
1999Aug71.0°F74.0°F-3.0°NCLIMGRID
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2000Jan45.2°F42.9°F+2.3°NCLIMGRID
2000Feb47.4°F45.9°F+1.5°NCLIMGRID
2000Mar49.7°F48.2°F+1.5°NCLIMGRID
2000Apr56.3°F52.7°F+3.6°NCLIMGRID
2000May61.3°F60.8°F+0.5°NCLIMGRID
2000Jun71.2°F68.5°F+2.7°NCLIMGRID
2000Jul71.1°F75.0°F-3.9°NCLIMGRID
2000Aug74.4°F74.0°F+0.4°NCLIMGRID
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2000Dec47.0°F42.6°F+4.4°NCLIMGRID
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2001Mar52.1°F48.2°F+4.0°NCLIMGRID
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2002Jan41.8°F42.9°F-1.1°NCLIMGRID
2002Feb48.1°F45.9°F+2.2°NCLIMGRID
2002Mar48.5°F48.2°F+0.3°NCLIMGRID
2002Apr54.6°F52.7°F+1.9°NCLIMGRID
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2002Jun70.0°F68.5°F+1.5°NCLIMGRID
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2002Nov52.0°F48.9°F+3.1°NCLIMGRID
2002Dec43.9°F42.6°F+1.3°NCLIMGRID
2003Jan48.6°F42.9°F+5.7°NCLIMGRID
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2003Mar50.7°F48.2°F+2.5°NCLIMGRID
2003Apr47.9°F52.7°F-4.8°NCLIMGRID
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2003Jun70.0°F68.5°F+1.5°NCLIMGRID
2003Jul78.4°F75.0°F+3.4°NCLIMGRID
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2003Oct65.6°F59.8°F+5.7°NCLIMGRID
2003Nov45.9°F48.9°F-3.0°NCLIMGRID
2003Dec44.2°F42.6°F+1.6°NCLIMGRID
2004Jan42.8°F42.9°F-0.1°NCLIMGRID
2004Feb44.1°F45.9°F-1.8°NCLIMGRID
2004Mar56.3°F48.2°F+8.1°NCLIMGRID
2004Apr56.6°F52.7°F+3.9°NCLIMGRID
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2005Jan43.6°F42.9°F+0.6°NCLIMGRID
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2005Jul78.2°F75.0°F+3.2°NCLIMGRID
2005Aug76.3°F74.0°F+2.3°NCLIMGRID
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2005Nov52.1°F48.9°F+3.2°NCLIMGRID
2005Dec45.8°F42.6°F+3.3°NCLIMGRID
2006Jan43.9°F42.9°F+1.0°NCLIMGRID
2006Feb47.0°F45.9°F+1.1°NCLIMGRID
2006Mar42.4°F48.2°F-5.7°NCLIMGRID
2006Apr51.3°F52.7°F-1.4°NCLIMGRID
2006May63.1°F60.8°F+2.3°NCLIMGRID
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2006Jul78.7°F75.0°F+3.7°NCLIMGRID
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2006Sep69.5°F69.0°F+0.6°NCLIMGRID
2006Oct58.0°F59.8°F-1.8°NCLIMGRID
2006Nov49.5°F48.9°F+0.6°NCLIMGRID
2006Dec43.7°F42.6°F+1.1°NCLIMGRID
2007Jan41.6°F42.9°F-1.4°NCLIMGRID
2007Feb46.1°F45.9°F+0.1°NCLIMGRID
2007Mar53.2°F48.2°F+5.1°NCLIMGRID
2007Apr54.9°F52.7°F+2.1°NCLIMGRID
2007May62.7°F60.8°F+1.9°NCLIMGRID
2007Jun69.3°F68.5°F+0.8°NCLIMGRID
2007Jul74.9°F75.0°F-0.1°NCLIMGRID
2007Aug74.7°F74.0°F+0.7°NCLIMGRID
2007Sep65.2°F69.0°F-3.8°NCLIMGRID
2007Oct57.5°F59.8°F-2.3°NCLIMGRID
2007Nov53.4°F48.9°F+4.5°NCLIMGRID
2007Dec40.5°F42.6°F-2.1°NCLIMGRID
2008Jan41.6°F42.9°F-1.3°NCLIMGRID
2008Feb45.0°F45.9°F-0.9°NCLIMGRID
2008Mar49.4°F48.2°F+1.2°NCLIMGRID
2008Apr52.9°F52.7°F+0.2°NCLIMGRID
2008May61.6°F60.8°F+0.8°NCLIMGRID
2008Jun70.1°F68.5°F+1.6°NCLIMGRID
2008Jul76.1°F75.0°F+1.1°NCLIMGRID
2008Aug76.1°F74.0°F+2.1°NCLIMGRID
2008Sep71.3°F69.0°F+2.3°NCLIMGRID
2008Oct61.4°F59.8°F+1.6°NCLIMGRID
2008Nov53.1°F48.9°F+4.2°NCLIMGRID
2008Dec41.4°F42.6°F-1.2°NCLIMGRID
2009Jan45.3°F42.9°F+2.4°NCLIMGRID
2009Feb45.4°F45.9°F-0.6°NCLIMGRID
2009Mar47.8°F48.2°F-0.4°NCLIMGRID
2009Apr52.6°F52.7°F-0.2°NCLIMGRID
2009May66.1°F60.8°F+5.3°NCLIMGRID
2009Jun66.8°F68.5°F-1.7°NCLIMGRID
2009Jul76.7°F75.0°F+1.7°NCLIMGRID
2009Aug74.5°F74.0°F+0.5°NCLIMGRID
2009Sep72.8°F69.0°F+3.8°NCLIMGRID
2009Oct56.8°F59.8°F-3.0°NCLIMGRID
2009Nov50.0°F48.9°F+1.1°NCLIMGRID
2009Dec41.7°F42.6°F-0.9°NCLIMGRID
2010Jan45.4°F42.9°F+2.5°NCLIMGRID
2010Feb46.2°F45.9°F+0.3°NCLIMGRID
2010Mar48.2°F48.2°F+0.0°NCLIMGRID
2010Apr49.0°F52.7°F-3.8°NCLIMGRID
2010May54.6°F60.8°F-6.2°NCLIMGRID
2010Jun67.9°F68.5°F-0.6°NCLIMGRID
2010Jul75.3°F75.0°F+0.3°NCLIMGRID
2010Aug71.9°F74.0°F-2.0°NCLIMGRID
2010Sep69.3°F69.0°F+0.3°NCLIMGRID
2010Oct61.1°F59.8°F+1.2°NCLIMGRID
2010Nov47.3°F48.9°F-1.6°NCLIMGRID
2010Dec45.0°F42.6°F+2.4°NCLIMGRID
2011Jan43.6°F42.9°F+0.7°NCLIMGRID
2011Feb42.9°F45.9°F-3.1°NCLIMGRID
2011Mar46.5°F48.2°F-1.7°NCLIMGRID
2011Apr51.8°F52.7°F-1.0°NCLIMGRID
2011May54.8°F60.8°F-6.0°NCLIMGRID
2011Jun64.6°F68.5°F-3.9°NCLIMGRID
2011Jul72.5°F75.0°F-2.5°NCLIMGRID
2011Aug73.6°F74.0°F-0.4°NCLIMGRID
2011Sep72.6°F69.0°F+3.6°NCLIMGRID
2011Oct60.4°F59.8°F+0.6°NCLIMGRID
2011Nov48.2°F48.9°F-0.7°NCLIMGRID
2011Dec42.2°F42.6°F-0.4°NCLIMGRID
2012Jan46.0°F42.9°F+3.1°NCLIMGRID
2012Feb46.0°F45.9°F+0.1°NCLIMGRID
2012Mar47.2°F48.2°F-1.0°NCLIMGRID
2012Apr53.9°F52.7°F+1.2°NCLIMGRID
2012May62.3°F60.8°F+1.5°NCLIMGRID
2012Jun67.5°F68.5°F-1.0°NCLIMGRID
2012Jul74.3°F75.0°F-0.7°NCLIMGRID
2012Aug78.2°F74.0°F+4.2°NCLIMGRID
2012Sep73.3°F69.0°F+4.3°NCLIMGRID
2012Oct61.6°F59.8°F+1.7°NCLIMGRID
2012Nov51.4°F48.9°F+2.5°NCLIMGRID
2012Dec42.6°F42.6°F+0.0°NCLIMGRID
2013Jan42.1°F42.9°F-0.9°NCLIMGRID
2013Feb44.1°F45.9°F-1.8°NCLIMGRID
2013Mar52.9°F48.2°F+4.8°NCLIMGRID
2013Apr57.4°F52.7°F+4.7°NCLIMGRID
2013May62.4°F60.8°F+1.6°NCLIMGRID
2013Jun70.8°F68.5°F+2.3°NCLIMGRID
2013Jul77.5°F75.0°F+2.5°NCLIMGRID
2013Aug73.0°F74.0°F-1.0°NCLIMGRID
2013Sep68.2°F69.0°F-0.8°NCLIMGRID
2013Oct58.4°F59.8°F-1.4°NCLIMGRID
2013Nov51.7°F48.9°F+2.8°NCLIMGRID
2013Dec43.5°F42.6°F+0.9°NCLIMGRID
2014Jan49.7°F42.9°F+6.7°NCLIMGRID
2014Feb48.9°F45.9°F+3.0°NCLIMGRID
2014Mar53.3°F48.2°F+5.1°NCLIMGRID
2014Apr55.6°F52.7°F+2.9°NCLIMGRID
2014May63.1°F60.8°F+2.3°NCLIMGRID
2014Jun70.2°F68.5°F+1.7°NCLIMGRID
2014Jul77.8°F75.0°F+2.8°NCLIMGRID
2014Aug74.9°F74.0°F+1.0°NCLIMGRID
2014Sep71.5°F69.0°F+2.5°NCLIMGRID
2014Oct63.7°F59.8°F+3.8°NCLIMGRID
2014Nov51.6°F48.9°F+2.7°NCLIMGRID
2014Dec46.8°F42.6°F+4.2°NCLIMGRID
2015Jan48.3°F42.9°F+5.4°NCLIMGRID
2015Feb52.9°F45.9°F+7.0°NCLIMGRID
2015Mar56.1°F48.2°F+7.9°NCLIMGRID
2015Apr55.3°F52.7°F+2.6°NCLIMGRID
2015May60.0°F60.8°F-0.8°NCLIMGRID
2015Jun73.6°F68.5°F+5.1°NCLIMGRID
2015Jul75.1°F75.0°F+0.1°NCLIMGRID
2015Aug75.0°F74.0°F+1.0°NCLIMGRID
2015Sep71.6°F69.0°F+2.6°NCLIMGRID
2015Oct64.5°F59.8°F+4.7°NCLIMGRID
2015Nov46.4°F48.9°F-2.5°NCLIMGRID
2015Dec41.1°F42.6°F-1.5°NCLIMGRID
2016Jan44.8°F42.9°F+1.9°NCLIMGRID
2016Feb51.0°F45.9°F+5.1°NCLIMGRID
2016Mar51.3°F48.2°F+3.2°NCLIMGRID
2016Apr56.4°F52.7°F+3.7°NCLIMGRID
2016May61.2°F60.8°F+0.4°NCLIMGRID
2016Jun71.4°F68.5°F+2.9°NCLIMGRID
2016Jul75.1°F75.0°F+0.1°NCLIMGRID
2016Aug75.1°F74.0°F+1.1°NCLIMGRID
2016Sep69.1°F69.0°F+0.1°NCLIMGRID
2016Oct59.1°F59.8°F-0.7°NCLIMGRID
2016Nov51.9°F48.9°F+3.0°NCLIMGRID
2016Dec43.3°F42.6°F+0.7°NCLIMGRID
2017Jan43.4°F42.9°F+0.5°NCLIMGRID
2017Feb47.1°F45.9°F+1.2°NCLIMGRID
2017Mar51.9°F48.2°F+3.7°NCLIMGRID
2017Apr53.4°F52.7°F+0.7°NCLIMGRID
2017May63.1°F60.8°F+2.3°NCLIMGRID
2017Jun71.6°F68.5°F+3.1°NCLIMGRID
2017Jul78.5°F75.0°F+3.5°NCLIMGRID
2017Aug78.0°F74.0°F+4.0°NCLIMGRID
2017Sep70.1°F69.0°F+1.1°NCLIMGRID
2017Oct61.7°F59.8°F+1.8°NCLIMGRID
2017Nov52.2°F48.9°F+3.2°NCLIMGRID
2017Dec49.5°F42.6°F+6.9°NCLIMGRID
2018Jan49.8°F42.9°F+6.9°NCLIMGRID
2018Feb46.3°F45.9°F+0.4°NCLIMGRID
2018Mar47.2°F48.2°F-1.0°NCLIMGRID
2018Apr55.0°F52.7°F+2.3°NCLIMGRID
2018May61.2°F60.8°F+0.4°NCLIMGRID
2018Jun69.5°F68.5°F+1.0°NCLIMGRID
2018Jul79.1°F75.0°F+4.1°NCLIMGRID
2018Aug74.4°F74.0°F+0.5°NCLIMGRID
2018Sep69.8°F69.0°F+0.8°NCLIMGRID
2018Oct61.2°F59.8°F+1.4°NCLIMGRID
2018Nov53.5°F48.9°F+4.6°NCLIMGRID
2018Dec44.2°F42.6°F+1.6°NCLIMGRID
2019Jan47.3°F42.9°F+4.4°NCLIMGRID
2019Feb41.7°F45.9°F-4.2°NCLIMGRID
2019Mar48.4°F48.2°F+0.2°NCLIMGRID
2019Apr57.1°F52.7°F+4.4°NCLIMGRID
2019May58.1°F60.8°F-2.7°NCLIMGRID
2019Jun70.8°F68.5°F+2.3°NCLIMGRID
2019Jul74.5°F75.0°F-0.5°NCLIMGRID
2019Aug75.9°F74.0°F+1.9°NCLIMGRID
2019Sep68.3°F69.0°F-0.7°NCLIMGRID
2019Oct58.7°F59.8°F-1.1°NCLIMGRID
2019Nov53.4°F48.9°F+4.5°NCLIMGRID
2019Dec45.4°F42.6°F+2.9°NCLIMGRID
2020Jan45.2°F42.9°F+2.3°NCLIMGRID
2020Feb49.9°F45.9°F+4.0°NCLIMGRID
2020Mar48.1°F48.2°F-0.1°NCLIMGRID
2020Apr55.1°F52.7°F+2.4°NCLIMGRID
2020May63.5°F60.8°F+2.7°NCLIMGRID
2020Jun69.4°F68.5°F+0.9°NCLIMGRID
2020Jul75.8°F75.0°F+0.8°NCLIMGRID
2020Aug78.2°F74.0°F+4.3°NCLIMGRID
2020Sep74.0°F69.0°F+5.0°NCLIMGRID
2020Oct66.5°F59.8°F+6.6°NCLIMGRID
2020Nov50.4°F48.9°F+1.5°NCLIMGRID
2020Dec46.1°F42.6°F+3.5°NCLIMGRID
2021Jan46.2°F42.9°F+3.3°NCLIMGRID
2021Feb47.3°F45.9°F+1.4°NCLIMGRID
2021Mar47.9°F48.2°F-0.3°NCLIMGRID
2021Apr57.1°F52.7°F+4.4°NCLIMGRID
2021May64.5°F60.8°F+3.7°NCLIMGRID
2021Jun74.1°F68.5°F+5.7°NCLIMGRID
2021Jul80.7°F75.0°F+5.7°NCLIMGRID
2021Aug76.9°F74.0°F+3.0°NCLIMGRID
2021Sep73.2°F69.0°F+4.2°NCLIMGRID
2021Oct58.5°F59.8°F-1.3°NCLIMGRID
2021Nov53.5°F48.9°F+4.6°NCLIMGRID
2021Dec42.7°F42.6°F+0.1°NCLIMGRID
2022Jan46.6°F42.9°F+3.7°NCLIMGRID
2022Feb47.4°F45.9°F+1.5°NCLIMGRID
2022Mar53.1°F48.2°F+5.0°NCLIMGRID
2022Apr54.3°F52.7°F+1.6°NCLIMGRID
2022May61.6°F60.8°F+0.8°NCLIMGRID
2022Jun70.6°F68.5°F+2.1°NCLIMGRID
2022Jul76.6°F75.0°F+1.6°NCLIMGRID
2022Aug77.7°F74.0°F+3.7°NCLIMGRID
2022Sep72.8°F69.0°F+3.8°NCLIMGRID
2022Oct64.5°F59.8°F+4.7°NCLIMGRID
2022Nov46.0°F48.9°F-2.9°NCLIMGRID
2022Dec42.3°F42.6°F-0.3°NCLIMGRID
2023Jan42.8°F42.9°F-0.1°NCLIMGRID
2023Feb42.0°F45.9°F-4.0°NCLIMGRID
2023Mar43.7°F48.2°F-4.5°NCLIMGRID
2023Apr54.2°F52.7°F+1.5°NCLIMGRID
2023May61.0°F60.8°F+0.2°NCLIMGRID
2023Jun66.1°F68.5°F-2.4°NCLIMGRID
2023Jul78.7°F75.0°F+3.7°NCLIMGRID
2023Aug76.4°F74.0°F+2.4°NCLIMGRID
2023Sep67.2°F69.0°F-1.8°NCLIMGRID
2023Oct62.2°F59.8°F+2.3°NCLIMGRID
2023Nov52.1°F48.9°F+3.2°NCLIMGRID
2023Dec48.8°F42.6°F+6.3°NCLIMGRID
2024Jan45.1°F42.9°F+2.2°NCLIMGRID
2024Feb46.2°F45.9°F+0.3°NCLIMGRID
2024Mar48.2°F48.2°F+0.0°NCLIMGRID
2024Apr53.6°F52.7°F+0.8°NCLIMGRID
2024May61.6°F60.8°F+0.8°NCLIMGRID
2024Jun74.5°F68.5°F+6.0°NCLIMGRID
2024Jul82.5°F75.0°F+7.5°NCLIMGRID
2024Aug75.0°F74.0°F+1.0°NCLIMGRID
2024Sep72.0°F69.0°F+3.0°NCLIMGRID
2024Oct65.3°F59.8°F+5.4°NCLIMGRID
2024Nov48.0°F48.9°F-0.9°NCLIMGRID
2024Dec47.6°F42.6°F+5.0°NCLIMGRID
2025Jan46.2°F42.9°F+3.3°NCLIMGRID
2025Feb48.1°F45.9°F+2.2°NCLIMGRID
2025Mar48.3°F48.2°F+0.1°NCLIMGRID
2025Apr55.3°F52.7°F+2.5°NCLIMGRID
2025May64.2°F60.8°F+3.4°NCLIMGRID
2025Jun72.0°F68.5°F+3.5°NCLIMGRID
2025Jul73.7°F75.0°F-1.3°NCLIMGRID
2025Aug76.6°F74.0°F+2.6°NCLIMGRID
2025Sep69.9°F69.0°F+0.9°NCLIMGRID
2025Oct57.8°F59.8°F-2.0°NCLIMGRID
2025Nov52.6°F48.9°F+3.7°NCLIMGRID
2025Dec47.4°F42.6°F+4.8°NCLIMGRID
2026Jan49.9°F42.9°F+7.0°NCLIMGRID
2026Feb49.8°F45.9°F+3.9°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
January42.9°F26/26
February45.9°F26/26
March48.2°F26/26
April52.7°F26/26
May60.8°F26/26
June68.5°F26/26
July75.0°F26/26
August74.0°F26/26
September69.0°F26/26
October59.8°F26/26
November48.9°F26/26
December42.6°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 Columbia, California getting warmer?

Based on 96+ years of NOAA temperature records, Columbia 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 Columbia?

The warmest year on record in Columbia was 2014, based on average annual temperature anomaly from NOAA station data.

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

How are the climate visualizations for Columbia created?

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

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

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