Climate Change in Willow Creek, California

96+ years of recorded temperature data show Willow Creek is warming.

Based on our analysis of 96 years of temperature data near Willow Creek, CA, this area shows a warming trend of approximately +0.3°F per decade. 10 of the last 10 years recorded above-average temperatures, and 2014 was the warmest year on record at +3.6°F above the historical baseline.

Key Climate Facts

Rate of Change

+0.3°F

per decade

Warmest Year

2014

+3.6°F anomaly

Recent Warm Years

10 / 10

above-average years

Decade Shift

+2.4°F

2020s vs 1930s

Compared to the National Average

Willow Creek is warming at roughly the national average rate.

National: +0.20°F/decade
Willow Creek: +0.25°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 Willow Creek's long-term warming trend.

Temperature anomaly spiral for Willow Creek, California
Climate spiral: monthly temperature anomalies from 96+ years of NOAA records for Willow Creek, 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 Willow Creek, California
Warming stripes: each stripe is one year of average temperature anomaly for Willow Creek, CA.

Temperature Trend

Annual temperature anomalies plotted over time with a linear regression trend line. The slope of +0.25°F per decade quantifies the rate of change.

Temperature trend chart for Willow Creek, California
Linear trend: annual temperature anomalies with trend line for Willow Creek, CA.

Temperature by Decade

1930s
-0.47°F
1940s
-0.32°F
1950s
-0.32°F
1960s
-0.03°F
1970s
-0.32°F
1980s
+0.24°F
1990s
+0.49°F
2000s
+0.93°F
2010s
+1.56°F
2020s
+1.95°F

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

Anomaly Scale

-3.6°F Colder Normal +4.1°F Warmer

Color bounds are set to the 5th and 95th percentile of anomalies to avoid outlier washout.

Monthly Temperature Records

Complete monthly temperature record for Willow Creek, CA. Filter by decade or download as CSV.

Data Sources & Audit

Station
nClimGrid 5km Grid Point
Distance
1.2 mi
Coverage
99.1%
Records
1,154
Range
1930-01 – 2026-02
Full Data Audit 1,154 records
YearMonthTempBaselineAnomalySourceGap
1930Jan38.2°F42.3°F-4.1°NCLIMGRID
1930Feb46.7°F46.0°F+0.7°NCLIMGRID
1930Mar50.5°F48.7°F+1.8°NCLIMGRID
1930Apr54.0°F52.6°F+1.4°NCLIMGRID
1930May54.5°F59.0°F-4.6°NCLIMGRID
1930Jun64.0°F65.6°F-1.6°NCLIMGRID
1930Jul70.1°F71.3°F-1.2°NCLIMGRID
1930Aug68.9°F71.0°F-2.1°NCLIMGRID
1930Sep63.5°F66.2°F-2.7°NCLIMGRID
1930Oct54.9°F57.4°F-2.5°NCLIMGRID
1930Nov46.3°F47.5°F-1.2°NCLIMGRID
1930Dec39.9°F41.9°F-2.1°NCLIMGRID
1931Jan42.6°F42.3°F+0.3°NCLIMGRID
1931Feb46.7°F46.0°F+0.7°NCLIMGRID
1931Mar49.9°F48.7°F+1.2°NCLIMGRID
1931Apr54.9°F52.6°F+2.3°NCLIMGRID
1931May62.8°F59.0°F+3.8°NCLIMGRID
1931Jun63.6°F65.6°F-2.0°NCLIMGRID
1931Jul72.4°F71.3°F+1.1°NCLIMGRID
1931Aug69.5°F71.0°F-1.5°NCLIMGRID
1931Sep62.8°F66.2°F-3.4°NCLIMGRID
1931Oct55.0°F57.4°F-2.4°NCLIMGRID
1931Nov43.3°F47.5°F-4.2°NCLIMGRID
1931Dec39.1°F41.9°F-2.9°NCLIMGRID
1932Jan38.4°F42.3°F-3.9°NCLIMGRID
1932Feb42.4°F46.0°F-3.6°NCLIMGRID
1932Mar49.7°F48.7°F+1.0°NCLIMGRID
1932Apr50.6°F52.6°F-2.0°NCLIMGRID
1932May57.3°F59.0°F-1.7°NCLIMGRID
1932Jun66.8°F65.6°F+1.2°NCLIMGRID
1932Jul68.8°F71.3°F-2.5°NCLIMGRID
1932Aug69.4°F71.0°F-1.7°NCLIMGRID
1932Sep67.6°F66.2°F+1.3°NCLIMGRID
1932Oct55.5°F57.4°F-2.0°NCLIMGRID
1932Nov49.7°F47.5°F+2.2°NCLIMGRID
1932Dec37.3°F41.9°F-4.6°NCLIMGRID
1933Jan38.5°F42.3°F-3.8°NCLIMGRID
1933Feb40.0°F46.0°F-6.0°NCLIMGRID
1933Mar47.2°F48.7°F-1.5°NCLIMGRID
1933Apr52.7°F52.6°F+0.0°NCLIMGRID
1933May52.8°F59.0°F-6.2°NCLIMGRID
1933Jun63.5°F65.6°F-2.1°NCLIMGRID
1933Jul71.9°F71.3°F+0.6°NCLIMGRID
1933Aug71.0°F71.0°F+0.0°NCLIMGRID
1933Sep62.4°F66.2°F-3.8°NCLIMGRID
1933Oct59.0°F57.4°F+1.6°NCLIMGRID
1933Nov48.5°F47.5°F+0.9°NCLIMGRID
1933Dec42.6°F41.9°F+0.7°NCLIMGRID
1934Jan46.9°F42.3°F+4.6°NCLIMGRID
1934Feb49.3°F46.0°F+3.3°NCLIMGRID
1934Mar56.2°F48.7°F+7.5°NCLIMGRID
1934Apr58.1°F52.6°F+5.5°NCLIMGRID
1934May61.5°F59.0°F+2.4°NCLIMGRID
1934Jun64.6°F65.6°F-1.0°NCLIMGRID
1934Jul69.4°F71.3°F-1.9°NCLIMGRID
1934Aug71.2°F71.0°F+0.1°NCLIMGRID
1934Sep65.2°F66.2°F-1.0°NCLIMGRID
1934Oct56.6°F57.4°F-0.8°NCLIMGRID
1934Nov49.9°F47.5°F+2.4°NCLIMGRID
1934Dec43.1°F41.9°F+1.1°NCLIMGRID
1935Jan41.0°F42.3°F-1.3°NCLIMGRID
1935Feb46.2°F46.0°F+0.2°NCLIMGRID
1935Mar45.5°F48.7°F-3.2°NCLIMGRID
1935Apr53.8°F52.6°F+1.2°NCLIMGRID
1935May59.3°F59.0°F+0.3°NCLIMGRID
1935Jun66.3°F65.6°F+0.7°NCLIMGRID
1935Jul68.6°F71.3°F-2.7°NCLIMGRID
1935Aug70.3°F71.0°F-0.7°NCLIMGRID
1935Sep66.7°F66.2°F+0.5°NCLIMGRID
1935Oct54.5°F57.4°F-2.9°NCLIMGRID
1935Nov45.7°F47.5°F-1.8°NCLIMGRID
1935Dec42.1°F41.9°F+0.2°NCLIMGRID
1936Jan44.8°F42.3°F+2.5°NCLIMGRID
1936Feb45.8°F46.0°F-0.2°NCLIMGRID
1936Mar49.0°F48.7°F+0.3°NCLIMGRID
1936Apr56.2°F52.6°F+3.6°NCLIMGRID
1936May61.5°F59.0°F+2.5°NCLIMGRID
1936Jun65.7°F65.6°F+0.0°NCLIMGRID
1936Jul70.4°F71.3°F-0.9°NCLIMGRID
1936Aug70.3°F71.0°F-0.7°NCLIMGRID
1936Sep65.0°F66.2°F-1.2°NCLIMGRID
1936Oct56.9°F57.4°F-0.5°NCLIMGRID
1936Nov44.7°F47.5°F-2.8°NCLIMGRID
1936Dec41.1°F41.9°F-0.8°NCLIMGRID
1937Jan33.3°F42.3°F-9.0°NCLIMGRID
1937Feb41.4°F46.0°F-4.6°NCLIMGRID
1937Mar48.5°F48.7°F-0.2°NCLIMGRID
1937Apr51.5°F52.6°F-1.1°NCLIMGRID
1937May59.7°F59.0°F+0.7°NCLIMGRID
1937Jun66.1°F65.6°F+0.5°NCLIMGRID
1937Jul72.7°F71.3°F+1.4°NCLIMGRID
1937Aug69.2°F71.0°F-1.8°NCLIMGRID
1937Sep65.6°F66.2°F-0.7°NCLIMGRID
1937Oct58.3°F57.4°F+0.9°NCLIMGRID
1937Nov49.5°F47.5°F+2.0°NCLIMGRID
1937Dec44.5°F41.9°F+2.5°NCLIMGRID
1938Jan43.4°F42.3°F+1.1°NCLIMGRID
1938Feb43.3°F46.0°F-2.7°NCLIMGRID
1938Mar45.8°F48.7°F-2.9°NCLIMGRID
1938Apr54.0°F52.6°F+1.4°NCLIMGRID
1938May59.8°F59.0°F+0.8°NCLIMGRID
1938Jun67.2°F65.6°F+1.6°NCLIMGRID
1938Jul72.9°F71.3°F+1.6°NCLIMGRID
1938Aug68.6°F71.0°F-2.4°NCLIMGRID
1938Sep66.5°F66.2°F+0.2°NCLIMGRID
1938Oct55.7°F57.4°F-1.7°NCLIMGRID
1938Nov44.1°F47.5°F-3.4°NCLIMGRID
1938Dec42.4°F41.9°F+0.5°NCLIMGRID
1939Jan41.8°F42.3°F-0.5°NCLIMGRID
1939Feb41.7°F46.0°F-4.3°NCLIMGRID
1939Mar50.4°F48.7°F+1.7°NCLIMGRID
1939Apr57.0°F52.6°F+4.3°NCLIMGRID
1939May60.2°F59.0°F+1.2°NCLIMGRID
1939Jun64.2°F65.6°F-1.4°NCLIMGRID
1939Jul72.0°F71.3°F+0.7°NCLIMGRID
1939Aug71.5°F71.0°F+0.5°NCLIMGRID
1939Sep66.3°F66.2°F+0.1°NCLIMGRID
1939Oct57.5°F57.4°F+0.0°NCLIMGRID
1939Nov47.7°F47.5°F+0.2°NCLIMGRID
1939Dec45.2°F41.9°F+3.3°NCLIMGRID
1940Jan45.2°F42.3°F+2.9°NCLIMGRID
1940Feb47.5°F46.0°F+1.5°NCLIMGRID
1940Mar50.9°F48.7°F+2.2°NCLIMGRID
1940Apr55.4°F52.6°F+2.8°NCLIMGRID
1940May61.8°F59.0°F+2.8°NCLIMGRID
1940Jun68.9°F65.6°F+3.2°NCLIMGRID
1940Jul70.3°F71.3°F-1.0°NCLIMGRID
1940Aug71.9°F71.0°F+0.9°NCLIMGRID
1940Sep65.9°F66.2°F-0.3°NCLIMGRID
1940Oct58.7°F57.4°F+1.3°NCLIMGRID
1940Nov46.7°F47.5°F-0.8°NCLIMGRID
1940Dec43.4°F41.9°F+1.5°NCLIMGRID
1941Jan44.3°F42.3°F+2.0°NCLIMGRID
1941Feb49.2°F46.0°F+3.2°NCLIMGRID
1941Mar52.4°F48.7°F+3.7°NCLIMGRID
1941Apr53.2°F52.6°F+0.6°NCLIMGRID
1941May60.2°F59.0°F+1.2°NCLIMGRID
1941Jun63.9°F65.6°F-1.7°NCLIMGRID
1941Jul73.4°F71.3°F+2.1°NCLIMGRID
1941Aug69.3°F71.0°F-1.7°NCLIMGRID
1941Sep63.9°F66.2°F-2.3°NCLIMGRID
1941Oct55.3°F57.4°F-2.1°NCLIMGRID
1941Nov50.3°F47.5°F+2.8°NCLIMGRID
1941Dec43.4°F41.9°F+1.4°NCLIMGRID
1942Jan43.4°F42.3°F+1.1°NCLIMGRID
1942Feb44.2°F46.0°F-1.8°NCLIMGRID
1942Mar47.4°F48.7°F-1.3°NCLIMGRID
1942Apr52.5°F52.6°F-0.2°NCLIMGRID
1942May56.5°F59.0°F-2.6°NCLIMGRID
1942Jun64.1°F65.6°F-1.6°NCLIMGRID
1942Jul72.8°F71.3°F+1.5°NCLIMGRID
1942Aug71.1°F71.0°F+0.1°NCLIMGRID
1942Sep65.5°F66.2°F-0.7°NCLIMGRID
1942Oct57.7°F57.4°F+0.3°NCLIMGRID
1942Nov47.7°F47.5°F+0.2°NCLIMGRID
1942Dec43.5°F41.9°F+1.5°NCLIMGRID
1943Jan41.5°F42.3°F-0.9°NCLIMGRID
1943Feb47.5°F46.0°F+1.5°NCLIMGRID
1943Mar50.6°F48.7°F+1.9°NCLIMGRID
1943Apr54.5°F52.6°F+1.9°NCLIMGRID
1943May58.0°F59.0°F-1.1°NCLIMGRID
1943Jun62.6°F65.6°F-3.0°NCLIMGRID
1943Jul70.7°F71.3°F-0.6°NCLIMGRID
1943Aug68.5°F71.0°F-2.5°NCLIMGRID
1943Sep69.3°F66.2°F+3.1°NCLIMGRID
1943Oct56.5°F57.4°F-0.9°NCLIMGRID
1943Nov49.1°F47.5°F+1.6°NCLIMGRID
1943Dec42.6°F41.9°F+0.7°NCLIMGRID
1944Jan42.5°F42.3°F+0.2°NCLIMGRID
1944Feb43.8°F46.0°F-2.2°NCLIMGRID
1944Mar48.2°F48.7°F-0.5°NCLIMGRID
1944Apr51.4°F52.6°F-1.2°NCLIMGRID
1944May58.1°F59.0°F-0.9°NCLIMGRID
1944Jun63.1°F65.6°F-2.5°NCLIMGRID
1944Jul70.1°F71.3°F-1.2°NCLIMGRID
1944Aug69.1°F71.0°F-1.9°NCLIMGRID
1944Sep65.9°F66.2°F-0.3°NCLIMGRID
1944Oct58.7°F57.4°F+1.3°NCLIMGRID
1944Nov47.0°F47.5°F-0.5°NCLIMGRID
1944Dec43.8°F41.9°F+1.8°NCLIMGRID
1945Jan43.7°F42.3°F+1.4°NCLIMGRID
1945Feb46.0°F46.0°F+0.0°NCLIMGRID
1945Mar46.1°F48.7°F-2.6°NCLIMGRID
1945Apr52.0°F52.6°F-0.6°NCLIMGRID
1945May58.5°F59.0°F-0.5°NCLIMGRID
1945Jun64.9°F65.6°F-0.7°NCLIMGRID
1945Jul72.5°F71.3°F+1.2°NCLIMGRID
1945Aug69.8°F71.0°F-1.2°NCLIMGRID
1945Sep66.0°F66.2°F-0.2°NCLIMGRID
1945Oct58.1°F57.4°F+0.7°NCLIMGRID
1945Nov47.1°F47.5°F-0.4°NCLIMGRID
1945Dec43.6°F41.9°F+1.6°NCLIMGRID
1946Jan41.2°F42.3°F-1.1°NCLIMGRID
1946Feb43.2°F46.0°F-2.8°NCLIMGRID
1946Mar47.6°F48.7°F-1.1°NCLIMGRID
1946Apr53.7°F52.6°F+1.0°NCLIMGRID
1946May59.2°F59.0°F+0.2°NCLIMGRID
1946Jun63.4°F65.6°F-2.2°NCLIMGRID
1946Jul71.5°F71.3°F+0.2°NCLIMGRID
1946Aug70.2°F71.0°F-0.8°NCLIMGRID
1946Sep64.6°F66.2°F-1.6°NCLIMGRID
1946Oct53.6°F57.4°F-3.8°NCLIMGRID
1946Nov45.4°F47.5°F-2.1°NCLIMGRID
1946Dec42.7°F41.9°F+0.7°NCLIMGRID
1947Jan39.3°F42.3°F-3.0°NCLIMGRID
1947Feb48.2°F46.0°F+2.2°NCLIMGRID
1947Mar51.0°F48.7°F+2.3°NCLIMGRID
1947Apr55.5°F52.6°F+2.9°NCLIMGRID
1947May61.2°F59.0°F+2.2°NCLIMGRID
1947Jun64.6°F65.6°F-1.0°NCLIMGRID
1947Jul69.9°F71.3°F-1.4°NCLIMGRID
1947Aug69.0°F71.0°F-2.0°NCLIMGRID
1947Sep66.8°F66.2°F+0.6°NCLIMGRID
1947Oct56.6°F57.4°F-0.8°NCLIMGRID
1947Nov46.2°F47.5°F-1.3°NCLIMGRID
1947Dec42.4°F41.9°F+0.5°NCLIMGRID
1948Jan42.7°F42.3°F+0.4°NCLIMGRID
1948Feb42.4°F46.0°F-3.6°NCLIMGRID
1948Mar46.6°F48.7°F-2.1°NCLIMGRID
1948Apr49.2°F52.6°F-3.4°NCLIMGRID
1948May56.5°F59.0°F-2.5°NCLIMGRID
1948Jun65.8°F65.6°F+0.1°NCLIMGRID
1948Jul69.5°F71.3°F-1.8°NCLIMGRID
1948Aug68.8°F71.0°F-2.2°NCLIMGRID
1948Sep64.3°F66.2°F-2.0°NCLIMGRID
1948Oct56.3°F57.4°F-1.1°NCLIMGRID
1948Nov45.1°F47.5°F-2.4°NCLIMGRID
1948Dec37.6°F41.9°F-4.3°NCLIMGRID
1949Jan34.5°F42.3°F-7.8°NCLIMGRID
1949Feb41.4°F46.0°F-4.6°NCLIMGRID
1949Mar47.6°F48.7°F-1.1°NCLIMGRID
1949Apr55.6°F52.6°F+3.0°NCLIMGRID
1949May59.6°F59.0°F+0.5°NCLIMGRID
1949Jun65.2°F65.6°F-0.4°NCLIMGRID
1949Jul69.9°F71.3°F-1.3°NCLIMGRID
1949Aug68.8°F71.0°F-2.2°NCLIMGRID
1949Sep66.8°F66.2°F+0.6°NCLIMGRID
1949Oct53.6°F57.4°F-3.8°NCLIMGRID
1949Nov50.6°F47.5°F+3.1°NCLIMGRID
1949Dec39.8°F41.9°F-2.2°NCLIMGRID
1950Jan36.3°F42.3°F-6.0°NCLIMGRID
1950Feb44.1°F46.0°F-1.9°NCLIMGRID
1950Mar46.5°F48.7°F-2.2°NCLIMGRID
1950Apr52.1°F52.6°F-0.5°NCLIMGRID
1950May57.0°F59.0°F-2.0°NCLIMGRID
1950Jun64.1°F65.6°F-1.5°NCLIMGRID
1950Jul71.7°F71.3°F+0.4°NCLIMGRID
1950Aug71.3°F71.0°F+0.3°NCLIMGRID
1950Sep65.5°F66.2°F-0.7°NCLIMGRID
1950Oct58.6°F57.4°F+1.2°NCLIMGRID
1950Nov50.7°F47.5°F+3.2°NCLIMGRID
1950Dec47.0°F41.9°F+5.0°NCLIMGRID
1951Jan41.5°F42.3°F-0.8°NCLIMGRID
1951Feb45.2°F46.0°F-0.8°NCLIMGRID
1951Mar45.7°F48.7°F-3.0°NCLIMGRID
1951Apr54.2°F52.6°F+1.6°NCLIMGRID
1951May59.2°F59.0°F+0.2°NCLIMGRID
1951Jun65.9°F65.6°F+0.3°NCLIMGRID
1951Jul70.2°F71.3°F-1.1°NCLIMGRID
1951Aug70.0°F71.0°F-1.0°NCLIMGRID
1951Sep66.8°F66.2°F+0.6°NCLIMGRID
1951Oct56.9°F57.4°F-0.5°NCLIMGRID
1951Nov48.2°F47.5°F+0.7°NCLIMGRID
1951Dec40.4°F41.9°F-1.6°NCLIMGRID
1952Jan39.2°F42.3°F-3.1°NCLIMGRID
1952Feb44.0°F46.0°F-2.0°NCLIMGRID
1952Mar44.9°F48.7°F-3.8°NCLIMGRID
1952Apr53.3°F52.6°F+0.7°NCLIMGRID
1952May58.7°F59.0°F-0.3°NCLIMGRID
1952Jun62.9°F65.6°F-2.7°NCLIMGRID
1952Jul73.2°F71.3°F+1.9°NCLIMGRID
1952Aug70.0°F71.0°F-1.1°NCLIMGRID
1952Sep67.9°F66.2°F+1.7°NCLIMGRID
1952Oct59.5°F57.4°F+2.1°NCLIMGRID
1952Nov44.7°F47.5°F-2.9°NCLIMGRID
1952Dec40.9°F41.9°F-1.0°NCLIMGRID
1953Jan46.0°F42.3°F+3.7°NCLIMGRID
1953Feb45.0°F46.0°F-1.0°NCLIMGRID
1953Mar46.9°F48.7°F-1.8°NCLIMGRID
1953Apr51.5°F52.6°F-1.1°NCLIMGRID
1953May55.9°F59.0°F-3.1°NCLIMGRID
1953Jun61.4°F65.6°F-4.2°NCLIMGRID
1953Jul70.7°F71.3°F-0.6°NCLIMGRID
1953Aug69.9°F71.0°F-1.1°NCLIMGRID
1953Sep69.4°F66.2°F+3.2°NCLIMGRID
1953Oct56.5°F57.4°F-0.9°NCLIMGRID
1953Nov50.0°F47.5°F+2.5°NCLIMGRID
1953Dec42.5°F41.9°F+0.6°NCLIMGRID
1954Jan41.8°F42.3°F-0.5°NCLIMGRID
1954Feb46.7°F46.0°F+0.7°NCLIMGRID
1954Mar47.0°F48.7°F-1.7°NCLIMGRID
1954Apr54.8°F52.6°F+2.2°NCLIMGRID
1954May60.0°F59.0°F+0.9°NCLIMGRID
1954Jun62.8°F65.6°F-2.8°NCLIMGRID
1954Jul70.3°F71.3°F-1.0°NCLIMGRID
1954Aug67.9°F71.0°F-3.1°NCLIMGRID
1954Sep64.5°F66.2°F-1.7°NCLIMGRID
1954Oct56.0°F57.4°F-1.4°NCLIMGRID
1954Nov49.7°F47.5°F+2.2°NCLIMGRID
1954Dec41.6°F41.9°F-0.3°NCLIMGRID
1955Jan39.5°F42.3°F-2.9°NCLIMGRID
1955Feb42.6°F46.0°F-3.4°NCLIMGRID
1955Mar46.7°F48.7°F-2.0°NCLIMGRID
1955Apr47.8°F52.6°F-4.9°NCLIMGRID
1955May57.4°F59.0°F-1.7°NCLIMGRID
1955Jun64.2°F65.6°F-1.4°NCLIMGRID
1955Jul67.7°F71.3°F-3.6°NCLIMGRID
1955Aug70.1°F71.0°F-0.9°NCLIMGRID
1955Sep65.2°F66.2°F-1.0°NCLIMGRID
1955Oct57.4°F57.4°F+0.0°NCLIMGRID
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1984Mar51.9°F48.7°F+3.2°NCLIMGRID
1984Apr50.5°F52.6°F-2.2°NCLIMGRID
1984May58.1°F59.0°F-1.0°NCLIMGRID
1984Jun63.3°F65.6°F-2.4°NCLIMGRID
1984Jul73.3°F71.3°F+2.0°NCLIMGRID
1984Aug70.2°F71.0°F-0.9°NCLIMGRID
1984Sep65.3°F66.2°F-0.9°NCLIMGRID
1984Oct53.8°F57.4°F-3.6°NCLIMGRID
1984Nov44.9°F47.5°F-2.7°NCLIMGRID
1984Dec40.4°F41.9°F-1.6°NCLIMGRID
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1985Feb45.5°F46.0°F-0.5°NCLIMGRID
1985Mar46.2°F48.7°F-2.5°NCLIMGRID
1985Apr55.9°F52.6°F+3.2°NCLIMGRID
1985May58.5°F59.0°F-0.6°NCLIMGRID
1985Jun68.6°F65.6°F+2.9°NCLIMGRID
1985Jul74.7°F71.3°F+3.4°NCLIMGRID
1985Aug69.6°F71.0°F-1.5°NCLIMGRID
1985Sep63.5°F66.2°F-2.7°NCLIMGRID
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1985Nov43.5°F47.5°F-4.0°NCLIMGRID
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1986Mar53.2°F48.7°F+4.5°NCLIMGRID
1986Apr53.8°F52.6°F+1.2°NCLIMGRID
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1986Jun69.1°F65.6°F+3.5°NCLIMGRID
1986Jul69.9°F71.3°F-1.4°NCLIMGRID
1986Aug74.1°F71.0°F+3.1°NCLIMGRID
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1986Nov48.9°F47.5°F+1.4°NCLIMGRID
1986Dec43.8°F41.9°F+1.8°NCLIMGRID
1987Jan42.8°F42.3°F+0.5°NCLIMGRID
1987Feb46.7°F46.0°F+0.7°NCLIMGRID
1987Mar49.3°F48.7°F+0.6°NCLIMGRID
1987Apr57.0°F52.6°F+4.4°NCLIMGRID
1987May62.3°F59.0°F+3.3°NCLIMGRID
1987Jun69.0°F65.6°F+3.4°NCLIMGRID
1987Jul67.8°F71.3°F-3.5°NCLIMGRID
1987Aug73.0°F71.0°F+2.0°NCLIMGRID
1987Sep63.8°F66.2°F-2.4°NCLIMGRID
1987Oct61.3°F57.4°F+3.9°NCLIMGRID
1987Nov49.1°F47.5°F+1.6°NCLIMGRID
1987Dec42.7°F41.9°F+0.8°NCLIMGRID
1988Jan42.5°F42.3°F+0.2°NCLIMGRID
1988Feb47.9°F46.0°F+1.9°NCLIMGRID
1988Mar49.9°F48.7°F+1.2°NCLIMGRID
1988Apr54.9°F52.6°F+2.3°NCLIMGRID
1988May58.1°F59.0°F-0.9°NCLIMGRID
1988Jun63.1°F65.6°F-2.5°NCLIMGRID
1988Jul73.5°F71.3°F+2.3°NCLIMGRID
1988Aug72.8°F71.0°F+1.8°NCLIMGRID
1988Sep67.9°F66.2°F+1.7°NCLIMGRID
1988Oct62.2°F57.4°F+4.8°NCLIMGRID
1988Nov48.4°F47.5°F+0.9°NCLIMGRID
1988Dec40.8°F41.9°F-1.1°NCLIMGRID
1989Jan41.4°F42.3°F-0.9°NCLIMGRID
1989Feb40.9°F46.0°F-5.1°NCLIMGRID
1989Mar49.2°F48.7°F+0.5°NCLIMGRID
1989Apr57.4°F52.6°F+4.8°NCLIMGRID
1989May59.1°F59.0°F+0.0°NCLIMGRID
1989Jun66.3°F65.6°F+0.7°NCLIMGRID
1989Jul67.7°F71.3°F-3.6°NCLIMGRID
1989Aug69.9°F71.0°F-1.1°NCLIMGRID
1989Sep66.4°F66.2°F+0.2°NCLIMGRID
1989Oct56.6°F57.4°F-0.8°NCLIMGRID
1989Nov48.4°F47.5°F+0.9°NCLIMGRID
1989Dec42.4°F41.9°F+0.4°NCLIMGRID
1990Jan42.8°F42.3°F+0.5°NCLIMGRID
1990Feb41.7°F46.0°F-4.3°NCLIMGRID
1990Mar51.2°F48.7°F+2.5°NCLIMGRID
1990Apr58.1°F52.6°F+5.5°NCLIMGRID
1990May56.7°F59.0°F-2.3°NCLIMGRID
1990Jun64.6°F65.6°F-1.0°NCLIMGRID
1990Jul74.0°F71.3°F+2.8°NCLIMGRID
1990Aug71.2°F71.0°F+0.2°NCLIMGRID
1990Sep68.2°F66.2°F+2.0°NCLIMGRID
1990Oct57.5°F57.4°F+0.0°NCLIMGRID
1990Nov45.9°F47.5°F-1.6°NCLIMGRID
1990Dec36.9°F41.9°F-5.0°NCLIMGRID
1991Jan42.4°F42.3°F+0.0°NCLIMGRID
1991Feb50.2°F46.0°F+4.2°NCLIMGRID
1991Mar46.2°F48.7°F-2.5°NCLIMGRID
1991Apr51.9°F52.6°F-0.7°NCLIMGRID
1991May56.4°F59.0°F-2.6°NCLIMGRID
1991Jun62.3°F65.6°F-3.3°NCLIMGRID
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1991Aug71.3°F71.0°F+0.2°NCLIMGRID
1991Sep71.5°F66.2°F+5.2°NCLIMGRID
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1991Nov48.8°F47.5°F+1.3°NCLIMGRID
1991Dec41.3°F41.9°F-0.7°NCLIMGRID
1992Jan44.1°F42.3°F+1.8°NCLIMGRID
1992Feb49.5°F46.0°F+3.5°NCLIMGRID
1992Mar53.7°F48.7°F+5.0°NCLIMGRID
1992Apr57.0°F52.6°F+4.3°NCLIMGRID
1992May64.7°F59.0°F+5.7°NCLIMGRID
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1992Nov47.7°F47.5°F+0.2°NCLIMGRID
1992Dec40.4°F41.9°F-1.6°NCLIMGRID
1993Jan40.8°F42.3°F-1.5°NCLIMGRID
1993Feb44.3°F46.0°F-1.7°NCLIMGRID
1993Mar52.5°F48.7°F+3.8°NCLIMGRID
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1993Nov45.2°F47.5°F-2.3°NCLIMGRID
1993Dec42.2°F41.9°F+0.2°NCLIMGRID
1994Jan45.5°F42.3°F+3.2°NCLIMGRID
1994Feb44.6°F46.0°F-1.4°NCLIMGRID
1994Mar51.5°F48.7°F+2.8°NCLIMGRID
1994Apr54.9°F52.6°F+2.3°NCLIMGRID
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1994Jun63.9°F65.6°F-1.7°NCLIMGRID
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1994Sep67.8°F66.2°F+1.6°NCLIMGRID
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1994Nov41.8°F47.5°F-5.7°NCLIMGRID
1994Dec41.5°F41.9°F-0.4°NCLIMGRID
1995Jan46.6°F42.3°F+4.3°NCLIMGRID
1995Feb51.8°F46.0°F+5.8°NCLIMGRID
1995Mar49.0°F48.7°F+0.3°NCLIMGRID
1995Apr52.3°F52.6°F-0.4°NCLIMGRID
1995May59.4°F59.0°F+0.4°NCLIMGRID
1995Jun64.1°F65.6°F-1.5°NCLIMGRID
1995Jul71.6°F71.3°F+0.3°NCLIMGRID
1995Aug69.4°F71.0°F-1.6°NCLIMGRID
1995Sep68.5°F66.2°F+2.2°NCLIMGRID
1995Oct58.2°F57.4°F+0.7°NCLIMGRID
1995Nov52.4°F47.5°F+4.9°NCLIMGRID
1995Dec46.4°F41.9°F+4.4°NCLIMGRID
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1996Mar50.3°F48.7°F+1.6°NCLIMGRID
1996Apr54.4°F52.6°F+1.8°NCLIMGRID
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1996Aug72.5°F71.0°F+1.5°NCLIMGRID
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1996Nov49.6°F47.5°F+2.1°NCLIMGRID
1996Dec43.8°F41.9°F+1.9°NCLIMGRID
1997Jan43.4°F42.3°F+1.1°NCLIMGRID
1997Feb46.1°F46.0°F+0.1°NCLIMGRID
1997Mar50.3°F48.7°F+1.6°NCLIMGRID
1997Apr52.8°F52.6°F+0.2°NCLIMGRID
1997May63.4°F59.0°F+4.3°NCLIMGRID
1997Jun64.5°F65.6°F-1.2°NCLIMGRID
1997Jul71.3°F71.3°F+0.1°NCLIMGRID
1997Aug71.3°F71.0°F+0.2°NCLIMGRID
1997Sep66.3°F66.2°F+0.0°NCLIMGRID
1997Oct55.8°F57.4°F-1.6°NCLIMGRID
1997Nov50.1°F47.5°F+2.6°NCLIMGRID
1997Dec40.9°F41.9°F-1.0°NCLIMGRID
1998Jan46.0°F42.3°F+3.7°NCLIMGRID
1998Feb44.4°F46.0°F-1.6°NCLIMGRID
1998Mar48.9°F48.7°F+0.2°NCLIMGRID
1998Apr51.8°F52.6°F-0.8°NCLIMGRID
1998May54.3°F59.0°F-4.8°NCLIMGRID
1998Jun64.3°F65.6°F-1.3°NCLIMGRID
1998Jul71.9°F71.3°F+0.6°NCLIMGRID
1998Aug73.0°F71.0°F+2.0°NCLIMGRID
1998Sep68.9°F66.2°F+2.7°NCLIMGRID
1998Oct55.6°F57.4°F-1.8°NCLIMGRID
1998Nov47.8°F47.5°F+0.3°NCLIMGRID
1998Dec38.9°F41.9°F-3.1°NCLIMGRID
1999Jan42.9°F42.3°F+0.6°NCLIMGRID
1999Feb42.2°F46.0°F-3.8°NCLIMGRID
1999Mar46.1°F48.7°F-2.6°NCLIMGRID
1999Apr52.1°F52.6°F-0.5°NCLIMGRID
1999May57.2°F59.0°F-1.9°NCLIMGRID
1999Jun64.0°F65.6°F-1.7°NCLIMGRID
1999Jul69.5°F71.3°F-1.8°NCLIMGRID
1999Aug69.9°F71.0°F-1.1°NCLIMGRID
1999Sep65.6°F66.2°F-0.6°NCLIMGRID
1999Oct57.7°F57.4°F+0.3°NCLIMGRID
1999Nov51.7°F47.5°F+4.2°NCLIMGRID
1999Dec42.0°F41.9°F+0.0°NCLIMGRID
2000Jan44.4°F42.3°F+2.1°NCLIMGRID
2000Feb47.5°F46.0°F+1.5°NCLIMGRID
2000Mar49.4°F48.7°F+0.7°NCLIMGRID
2000Apr56.1°F52.6°F+3.5°NCLIMGRID
2000May59.1°F59.0°F+0.0°NCLIMGRID
2000Jun69.8°F65.6°F+4.2°NCLIMGRID
2000Jul69.8°F71.3°F-1.5°NCLIMGRID
2000Aug71.7°F71.0°F+0.7°NCLIMGRID
2000Sep67.2°F66.2°F+1.0°NCLIMGRID
2000Oct57.4°F57.4°F+0.0°NCLIMGRID
2000Nov45.5°F47.5°F-2.0°NCLIMGRID
2000Dec43.7°F41.9°F+1.8°NCLIMGRID
2001Jan42.7°F42.3°F+0.4°NCLIMGRID
2001Feb44.8°F46.0°F-1.2°NCLIMGRID
2001Mar53.0°F48.7°F+4.3°NCLIMGRID
2001Apr51.7°F52.6°F-0.9°NCLIMGRID
2001May65.4°F59.0°F+6.4°NCLIMGRID
2001Jun64.9°F65.6°F-0.7°NCLIMGRID
2001Jul72.2°F71.3°F+0.9°NCLIMGRID
2001Aug72.1°F71.0°F+1.0°NCLIMGRID
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2001Nov48.6°F47.5°F+1.1°NCLIMGRID
2001Dec43.1°F41.9°F+1.2°NCLIMGRID
2002Jan42.6°F42.3°F+0.3°NCLIMGRID
2002Feb47.5°F46.0°F+1.5°NCLIMGRID
2002Mar47.9°F48.7°F-0.7°NCLIMGRID
2002Apr55.6°F52.6°F+2.9°NCLIMGRID
2002May58.7°F59.0°F-0.3°NCLIMGRID
2002Jun66.6°F65.6°F+1.0°NCLIMGRID
2002Jul74.6°F71.3°F+3.3°NCLIMGRID
2002Aug71.9°F71.0°F+0.9°NCLIMGRID
2002Sep68.2°F66.2°F+2.0°NCLIMGRID
2002Oct57.5°F57.4°F+0.1°NCLIMGRID
2002Nov49.2°F47.5°F+1.7°NCLIMGRID
2002Dec44.1°F41.9°F+2.1°NCLIMGRID
2003Jan49.2°F42.3°F+6.9°NCLIMGRID
2003Feb46.2°F46.0°F+0.2°NCLIMGRID
2003Mar51.4°F48.7°F+2.7°NCLIMGRID
2003Apr49.8°F52.6°F-2.8°NCLIMGRID
2003May59.1°F59.0°F+0.0°NCLIMGRID
2003Jun68.6°F65.6°F+3.0°NCLIMGRID
2003Jul74.4°F71.3°F+3.1°NCLIMGRID
2003Aug72.8°F71.0°F+1.8°NCLIMGRID
2003Sep69.0°F66.2°F+2.8°NCLIMGRID
2003Oct61.0°F57.4°F+3.6°NCLIMGRID
2003Nov46.0°F47.5°F-1.6°NCLIMGRID
2003Dec43.4°F41.9°F+1.5°NCLIMGRID
2004Jan44.2°F42.3°F+1.9°NCLIMGRID
2004Feb46.2°F46.0°F+0.2°NCLIMGRID
2004Mar53.7°F48.7°F+5.0°NCLIMGRID
2004Apr56.6°F52.6°F+4.0°NCLIMGRID
2004May60.9°F59.0°F+1.9°NCLIMGRID
2004Jun67.5°F65.6°F+1.9°NCLIMGRID
2004Jul74.4°F71.3°F+3.1°NCLIMGRID
2004Aug73.5°F71.0°F+2.5°NCLIMGRID
2004Sep66.5°F66.2°F+0.3°NCLIMGRID
2004Oct57.7°F57.4°F+0.3°NCLIMGRID
2004Nov47.5°F47.5°F-0.1°NCLIMGRID
2004Dec43.7°F41.9°F+1.7°NCLIMGRID
2005Jan43.6°F42.3°F+1.3°NCLIMGRID
2005Feb48.1°F46.0°F+2.1°NCLIMGRID
2005Mar52.1°F48.7°F+3.4°NCLIMGRID
2005Apr53.0°F52.6°F+0.4°NCLIMGRID
2005May60.3°F59.0°F+1.2°NCLIMGRID
2005Jun63.9°F65.6°F-1.7°NCLIMGRID
2005Jul73.9°F71.3°F+2.6°NCLIMGRID
2005Aug72.8°F71.0°F+1.7°NCLIMGRID
2005Sep64.5°F66.2°F-1.8°NCLIMGRID
2005Oct56.6°F57.4°F-0.8°NCLIMGRID
2005Nov47.1°F47.5°F-0.4°NCLIMGRID
2005Dec44.1°F41.9°F+2.2°NCLIMGRID
2006Jan44.3°F42.3°F+2.0°NCLIMGRID
2006Feb46.0°F46.0°F+0.0°NCLIMGRID
2006Mar45.7°F48.7°F-3.0°NCLIMGRID
2006Apr53.6°F52.6°F+1.0°NCLIMGRID
2006May61.1°F59.0°F+2.0°NCLIMGRID
2006Jun68.7°F65.6°F+3.1°NCLIMGRID
2006Jul74.2°F71.3°F+2.9°NCLIMGRID
2006Aug70.3°F71.0°F-0.7°NCLIMGRID
2006Sep65.6°F66.2°F-0.6°NCLIMGRID
2006Oct56.3°F57.4°F-1.1°NCLIMGRID
2006Nov48.7°F47.5°F+1.2°NCLIMGRID
2006Dec42.9°F41.9°F+1.0°NCLIMGRID
2007Jan40.3°F42.3°F-2.0°NCLIMGRID
2007Feb45.1°F46.0°F-0.9°NCLIMGRID
2007Mar51.9°F48.7°F+3.2°NCLIMGRID
2007Apr54.4°F52.6°F+1.8°NCLIMGRID
2007May60.7°F59.0°F+1.6°NCLIMGRID
2007Jun65.4°F65.6°F-0.2°NCLIMGRID
2007Jul73.8°F71.3°F+2.5°NCLIMGRID
2007Aug71.6°F71.0°F+0.6°NCLIMGRID
2007Sep66.0°F66.2°F-0.2°NCLIMGRID
2007Oct55.4°F57.4°F-2.0°NCLIMGRID
2007Nov48.7°F47.5°F+1.2°NCLIMGRID
2007Dec40.6°F41.9°F-1.3°NCLIMGRID
2008Jan40.4°F42.3°F-1.9°NCLIMGRID
2008Feb44.1°F46.0°F-1.9°NCLIMGRID
2008Mar47.5°F48.7°F-1.2°NCLIMGRID
2008Apr51.0°F52.6°F-1.6°NCLIMGRID
2008May60.4°F59.0°F+1.3°NCLIMGRID
2008Jun64.8°F65.6°F-0.8°NCLIMGRID
2008Jul70.9°F71.3°F-0.4°NCLIMGRID
2008Aug71.8°F71.0°F+0.8°NCLIMGRID
2008Sep67.8°F66.2°F+1.6°NCLIMGRID
2008Oct57.1°F57.4°F-0.3°NCLIMGRID
2008Nov50.4°F47.5°F+2.9°NCLIMGRID
2008Dec39.8°F41.9°F-2.1°NCLIMGRID
2009Jan43.9°F42.3°F+1.6°NCLIMGRID
2009Feb44.8°F46.0°F-1.2°NCLIMGRID
2009Mar48.4°F48.7°F-0.3°NCLIMGRID
2009Apr52.8°F52.6°F+0.2°NCLIMGRID
2009May61.3°F59.0°F+2.3°NCLIMGRID
2009Jun66.7°F65.6°F+1.1°NCLIMGRID
2009Jul73.4°F71.3°F+2.1°NCLIMGRID
2009Aug71.8°F71.0°F+0.8°NCLIMGRID
2009Sep69.0°F66.2°F+2.8°NCLIMGRID
2009Oct56.7°F57.4°F-0.7°NCLIMGRID
2009Nov47.0°F47.5°F-0.5°NCLIMGRID
2009Dec40.7°F41.9°F-1.2°NCLIMGRID
2010Jan47.4°F42.3°F+5.1°NCLIMGRID
2010Feb48.5°F46.0°F+2.5°NCLIMGRID
2010Mar48.9°F48.7°F+0.2°NCLIMGRID
2010Apr50.9°F52.6°F-1.8°NCLIMGRID
2010May55.3°F59.0°F-3.8°NCLIMGRID
2010Jun65.1°F65.6°F-0.5°NCLIMGRID
2010Jul73.1°F71.3°F+1.8°NCLIMGRID
2010Aug70.8°F71.0°F-0.2°NCLIMGRID
2010Sep67.1°F66.2°F+0.9°NCLIMGRID
2010Oct58.5°F57.4°F+1.1°NCLIMGRID
2010Nov46.7°F47.5°F-0.8°NCLIMGRID
2010Dec44.8°F41.9°F+2.8°NCLIMGRID
2011Jan45.2°F42.3°F+2.9°NCLIMGRID
2011Feb43.4°F46.0°F-2.6°NCLIMGRID
2011Mar48.3°F48.7°F-0.4°NCLIMGRID
2011Apr50.8°F52.6°F-1.8°NCLIMGRID
2011May56.2°F59.0°F-2.8°NCLIMGRID
2011Jun64.9°F65.6°F-0.7°NCLIMGRID
2011Jul70.7°F71.3°F-0.6°NCLIMGRID
2011Aug71.3°F71.0°F+0.2°NCLIMGRID
2011Sep68.5°F66.2°F+2.2°NCLIMGRID
2011Oct58.1°F57.4°F+0.7°NCLIMGRID
2011Nov47.0°F47.5°F-0.5°NCLIMGRID
2011Dec40.1°F41.9°F-1.8°NCLIMGRID
2012Jan43.0°F42.3°F+0.7°NCLIMGRID
2012Feb45.8°F46.0°F-0.3°NCLIMGRID
2012Mar47.0°F48.7°F-1.7°NCLIMGRID
2012Apr54.0°F52.6°F+1.4°NCLIMGRID
2012May59.0°F59.0°F+0.0°NCLIMGRID
2012Jun64.5°F65.6°F-1.1°NCLIMGRID
2012Jul71.3°F71.3°F+0.0°NCLIMGRID
2012Aug73.8°F71.0°F+2.8°NCLIMGRID
2012Sep68.8°F66.2°F+2.6°NCLIMGRID
2012Oct59.7°F57.4°F+2.3°NCLIMGRID
2012Nov50.6°F47.5°F+3.0°NCLIMGRID
2012Dec41.9°F41.9°F-0.1°NCLIMGRID
2013Jan40.8°F42.3°F-1.5°NCLIMGRID
2013Feb44.5°F46.0°F-1.5°NCLIMGRID
2013Mar51.1°F48.7°F+2.4°NCLIMGRID
2013Apr55.8°F52.6°F+3.1°NCLIMGRID
2013May60.9°F59.0°F+1.9°NCLIMGRID
2013Jun68.1°F65.6°F+2.5°NCLIMGRID
2013Jul75.0°F71.3°F+3.8°NCLIMGRID
2013Aug72.1°F71.0°F+1.1°NCLIMGRID
2013Sep67.6°F66.2°F+1.4°NCLIMGRID
2013Oct54.4°F57.4°F-3.0°NCLIMGRID
2013Nov48.4°F47.5°F+0.9°NCLIMGRID
2013Dec37.9°F41.9°F-4.1°NCLIMGRID
2014Jan45.2°F42.3°F+2.9°NCLIMGRID
2014Feb48.0°F46.0°F+2.0°NCLIMGRID
2014Mar52.4°F48.7°F+3.7°NCLIMGRID
2014Apr56.2°F52.6°F+3.6°NCLIMGRID
2014May62.5°F59.0°F+3.4°NCLIMGRID
2014Jun68.1°F65.6°F+2.4°NCLIMGRID
2014Jul76.1°F71.3°F+4.8°NCLIMGRID
2014Aug73.8°F71.0°F+2.8°NCLIMGRID
2014Sep70.3°F66.2°F+4.1°NCLIMGRID
2014Oct61.0°F57.4°F+3.6°NCLIMGRID
2014Nov51.3°F47.5°F+3.8°NCLIMGRID
2014Dec47.8°F41.9°F+5.8°NCLIMGRID
2015Jan47.6°F42.3°F+5.2°NCLIMGRID
2015Feb51.1°F46.0°F+5.1°NCLIMGRID
2015Mar54.9°F48.7°F+6.2°NCLIMGRID
2015Apr55.1°F52.6°F+2.5°NCLIMGRID
2015May61.5°F59.0°F+2.4°NCLIMGRID
2015Jun72.1°F65.6°F+6.5°NCLIMGRID
2015Jul74.8°F71.3°F+3.6°NCLIMGRID
2015Aug71.4°F71.0°F+0.4°NCLIMGRID
2015Sep66.3°F66.2°F+0.0°NCLIMGRID
2015Oct62.9°F57.4°F+5.5°NCLIMGRID
2015Nov47.2°F47.5°F-0.3°NCLIMGRID
2015Dec41.9°F41.9°F+0.0°NCLIMGRID
2016Jan46.0°F42.3°F+3.7°NCLIMGRID
2016Feb49.9°F46.0°F+3.9°NCLIMGRID
2016Mar52.0°F48.7°F+3.3°NCLIMGRID
2016Apr58.7°F52.6°F+6.1°NCLIMGRID
2016May62.6°F59.0°F+3.5°NCLIMGRID
2016Jun68.4°F65.6°F+2.8°NCLIMGRID
2016Jul73.1°F71.3°F+1.8°NCLIMGRID
2016Aug72.9°F71.0°F+1.8°NCLIMGRID
2016Sep67.2°F66.2°F+0.9°NCLIMGRID
2016Oct57.6°F57.4°F+0.2°NCLIMGRID
2016Nov51.6°F47.5°F+4.1°NCLIMGRID
2016Dec40.3°F41.9°F-1.6°NCLIMGRID
2017Jan41.2°F42.3°F-1.1°NCLIMGRID
2017Feb46.8°F46.0°F+0.8°NCLIMGRID
2017Mar51.7°F48.7°F+3.0°NCLIMGRID
2017Apr53.4°F52.6°F+0.7°NCLIMGRID
2017May61.2°F59.0°F+2.1°NCLIMGRID
2017Jun68.0°F65.6°F+2.4°NCLIMGRID
2017Jul73.8°F71.3°F+2.5°NCLIMGRID
2017Aug74.8°F71.0°F+3.8°NCLIMGRID
2017Sep67.7°F66.2°F+1.5°NCLIMGRID
2017Oct57.5°F57.4°F+0.1°NCLIMGRID
2017Nov49.2°F47.5°F+1.7°NCLIMGRID
2017Dec42.9°F41.9°F+1.0°NCLIMGRID
2018Jan47.7°F42.3°F+5.4°NCLIMGRID
2018Feb45.6°F46.0°F-0.4°NCLIMGRID
2018Mar50.0°F48.7°F+1.3°NCLIMGRID
2018Apr55.7°F52.6°F+3.1°NCLIMGRID
2018May62.7°F59.0°F+3.6°NCLIMGRID
2018Jun67.4°F65.6°F+1.8°NCLIMGRID
2018Jul74.2°F71.3°F+2.9°NCLIMGRID
2018Aug71.7°F71.0°F+0.7°NCLIMGRID
2018Sep66.2°F66.2°F+0.0°NCLIMGRID
2018Oct57.5°F57.4°F+0.1°NCLIMGRID
2018Nov48.8°F47.5°F+1.2°NCLIMGRID
2018Dec43.9°F41.9°F+2.0°NCLIMGRID
2019Jan46.5°F42.3°F+4.2°NCLIMGRID
2019Feb41.7°F46.0°F-4.3°NCLIMGRID
2019Mar49.5°F48.7°F+0.8°NCLIMGRID
2019Apr57.5°F52.6°F+4.8°NCLIMGRID
2019May59.9°F59.0°F+0.9°NCLIMGRID
2019Jun67.4°F65.6°F+1.8°NCLIMGRID
2019Jul73.5°F71.3°F+2.2°NCLIMGRID
2019Aug74.9°F71.0°F+3.9°NCLIMGRID
2019Sep66.4°F66.2°F+0.2°NCLIMGRID
2019Oct56.2°F57.4°F-1.2°NCLIMGRID
2019Nov49.0°F47.5°F+1.5°NCLIMGRID
2019Dec45.2°F41.9°F+3.2°NCLIMGRID
2020Jan45.7°F42.3°F+3.4°NCLIMGRID
2020Feb48.4°F46.0°F+2.4°NCLIMGRID
2020Mar49.0°F48.7°F+0.3°NCLIMGRID
2020Apr57.2°F52.6°F+4.6°NCLIMGRID
2020May61.1°F59.0°F+2.1°NCLIMGRID
2020Jun67.5°F65.6°F+1.9°NCLIMGRID
2020Jul74.0°F71.3°F+2.7°NCLIMGRID
2020Aug74.9°F71.0°F+3.9°NCLIMGRID
2020Sep70.3°F66.2°F+4.1°NCLIMGRID
2020Oct61.7°F57.4°F+4.3°NCLIMGRID
2020Nov47.3°F47.5°F-0.2°NCLIMGRID
2020Dec43.2°F41.9°F+1.2°NCLIMGRID
2021Jan45.0°F42.3°F+2.7°NCLIMGRID
2021Feb44.8°F46.0°F-1.2°NCLIMGRID
2021Mar47.7°F48.7°F-1.0°NCLIMGRID
2021Apr56.0°F52.6°F+3.4°NCLIMGRID
2021May60.7°F59.0°F+1.6°NCLIMGRID
2021Jun69.5°F65.6°F+3.9°NCLIMGRID
2021Jul75.1°F71.3°F+3.8°NCLIMGRID
2021Aug71.8°F71.0°F+0.8°NCLIMGRID
2021Sep67.3°F66.2°F+1.1°NCLIMGRID
2021Oct57.0°F57.4°F-0.4°NCLIMGRID
2021Nov50.0°F47.5°F+2.5°NCLIMGRID
2021Dec41.6°F41.9°F-0.4°NCLIMGRID
2022Jan44.5°F42.3°F+2.2°NCLIMGRID
2022Feb45.8°F46.0°F-0.2°NCLIMGRID
2022Mar50.5°F48.7°F+1.8°NCLIMGRID
2022Apr52.3°F52.6°F-0.4°NCLIMGRID
2022May59.2°F59.0°F+0.1°NCLIMGRID
2022Jun67.9°F65.6°F+2.2°NCLIMGRID
2022Jul74.0°F71.3°F+2.7°NCLIMGRID
2022Aug74.4°F71.0°F+3.4°NCLIMGRID
2022Sep69.5°F66.2°F+3.3°NCLIMGRID
2022Oct57.9°F57.4°F+0.5°NCLIMGRID
2022Nov44.6°F47.5°F-2.9°NCLIMGRID
2022Dec41.6°F41.9°F-0.3°NCLIMGRID
2023Jan44.7°F42.3°F+2.4°NCLIMGRID
2023Feb42.9°F46.0°F-3.1°NCLIMGRID
2023Mar44.3°F48.7°F-4.4°NCLIMGRID
2023Apr53.3°F52.6°F+0.7°NCLIMGRID
2023May61.6°F59.0°F+2.6°NCLIMGRID
2023Jun67.8°F65.6°F+2.2°NCLIMGRID
2023Jul74.8°F71.3°F+3.5°NCLIMGRID
2023Aug75.3°F71.0°F+4.3°NCLIMGRID
2023Sep67.0°F66.2°F+0.8°NCLIMGRID
2023Oct58.8°F57.4°F+1.4°NCLIMGRID
2023Nov49.4°F47.5°F+1.9°NCLIMGRID
2023Dec46.2°F41.9°F+4.3°NCLIMGRID
2024Jan47.7°F42.3°F+5.4°NCLIMGRID
2024Feb47.5°F46.0°F+1.5°NCLIMGRID
2024Mar49.3°F48.7°F+0.6°NCLIMGRID
2024Apr54.7°F52.6°F+2.1°NCLIMGRID
2024May60.7°F59.0°F+1.6°NCLIMGRID
2024Jun68.3°F65.6°F+2.7°NCLIMGRID
2024Jul77.0°F71.3°F+5.7°NCLIMGRID
2024Aug72.4°F71.0°F+1.4°NCLIMGRID
2024Sep69.3°F66.2°F+3.1°NCLIMGRID
2024Oct60.0°F57.4°F+2.6°NCLIMGRID
2024Nov47.0°F47.5°F-0.5°NCLIMGRID
2024Dec45.5°F41.9°F+3.5°NCLIMGRID
2025Jan44.4°F42.3°F+2.1°NCLIMGRID
2025Feb44.7°F46.0°F-1.3°NCLIMGRID
2025Mar50.4°F48.7°F+1.7°NCLIMGRID
2025Apr56.7°F52.6°F+4.1°NCLIMGRID
2025May61.6°F59.0°F+2.6°NCLIMGRID
2025Jun69.2°F65.6°F+3.6°NCLIMGRID
2025Jul74.4°F71.3°F+3.1°NCLIMGRID
2025Aug74.4°F71.0°F+3.4°NCLIMGRID
2025Sep70.6°F66.2°F+4.4°NCLIMGRID
2025Oct57.0°F57.4°F-0.4°NCLIMGRID
2025Nov51.7°F47.5°F+4.2°NCLIMGRID
2025Dec45.8°F41.9°F+3.9°NCLIMGRID
2026Jan46.2°F42.3°F+3.9°NCLIMGRID
2026Feb48.5°F46.0°F+2.5°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
January42.3°F26/26
February46.0°F26/26
March48.7°F26/26
April52.6°F26/26
May59.0°F26/26
June65.6°F26/26
July71.3°F26/26
August71.0°F26/26
September66.2°F26/26
October57.4°F26/26
November47.5°F26/26
December41.9°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 Willow Creek, California getting warmer?

Based on 96+ years of NOAA temperature records, Willow Creek has warmed at a rate of approximately 0.25°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 Willow Creek?

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

Where does the temperature data for Willow Creek 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 Willow Creek's climate profile.

How are the climate visualizations for Willow Creek created?

Three visualizations are generated from Willow Creek'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 Willow Creek's temperature data?

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

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