Climate Change in Topanga, California

96+ years of recorded temperature data show Topanga is warming.

Based on our analysis of 96 years of temperature data near Topanga, CA, this area shows a warming trend of approximately +0.4°F per decade. 9 of the last 10 years recorded above-average temperatures, and 2015 was the warmest year on record at +4.3°F above the historical baseline.

Key Climate Facts

Rate of Change

+0.4°F

per decade

Warmest Year

2015

+4.3°F anomaly

Recent Warm Years

9 / 10

above-average years

Decade Shift

+2.7°F

2020s vs 1930s

Compared to the National Average

Topanga is warming 0.2°F/decade faster than the national average.

National: +0.20°F/decade
Topanga: +0.43°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 Topanga's long-term warming trend.

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

Temperature Trend

Annual temperature anomalies plotted over time with a linear regression trend line. The slope of +0.43°F per decade quantifies the rate of change.

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

Temperature by Decade

1930s
-0.85°F
1940s
-1.71°F
1950s
-1.13°F
1960s
-0.89°F
1970s
-0.54°F
1980s
+0.65°F
1990s
+0.94°F
2000s
+1.11°F
2010s
+2.21°F
2020s
+2.00°F

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

Anomaly Scale

-4.0°F Colder Normal +4.5°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 Topanga, CA. Filter by decade or download as CSV.

Data Sources & Audit

Station
nClimGrid 5km Grid Point
Distance
1.1 mi
Coverage
99.1%
Records
1,154
Range
1930-01 – 2026-02
Full Data Audit 1,154 records
YearMonthTempBaselineAnomalySourceGap
1930Jan52.2°F54.8°F-2.6°NCLIMGRID
1930Feb56.1°F55.4°F+0.7°NCLIMGRID
1930Mar56.5°F55.7°F+0.7°NCLIMGRID
1930Apr58.9°F58.1°F+0.8°NCLIMGRID
1930May57.8°F61.6°F-3.8°NCLIMGRID
1930Jun65.2°F66.1°F-0.8°NCLIMGRID
1930Jul71.2°F71.7°F-0.5°NCLIMGRID
1930Aug72.5°F73.0°F-0.4°NCLIMGRID
1930Sep66.3°F71.4°F-5.1°NCLIMGRID
1930Oct64.9°F66.1°F-1.2°NCLIMGRID
1930Nov61.7°F60.4°F+1.3°NCLIMGRID
1930Dec55.1°F54.8°F+0.2°NCLIMGRID
1931Jan55.1°F54.8°F+0.3°NCLIMGRID
1931Feb55.3°F55.4°F-0.1°NCLIMGRID
1931Mar60.2°F55.7°F+4.5°NCLIMGRID
1931Apr61.1°F58.1°F+3.0°NCLIMGRID
1931May64.9°F61.6°F+3.2°NCLIMGRID
1931Jun67.2°F66.1°F+1.1°NCLIMGRID
1931Jul76.2°F71.7°F+4.5°NCLIMGRID
1931Aug75.1°F73.0°F+2.2°NCLIMGRID
1931Sep69.0°F71.4°F-2.4°NCLIMGRID
1931Oct64.9°F66.1°F-1.2°NCLIMGRID
1931Nov55.7°F60.4°F-4.7°NCLIMGRID
1931Dec50.6°F54.8°F-4.2°NCLIMGRID
1932Jan49.4°F54.8°F-5.5°NCLIMGRID
1932Feb52.1°F55.4°F-3.3°NCLIMGRID
1932Mar57.1°F55.7°F+1.3°NCLIMGRID
1932Apr57.4°F58.1°F-0.7°NCLIMGRID
1932May60.4°F61.6°F-1.3°NCLIMGRID
1932Jun64.3°F66.1°F-1.7°NCLIMGRID
1932Jul67.9°F71.7°F-3.8°NCLIMGRID
1932Aug69.5°F73.0°F-3.5°NCLIMGRID
1932Sep68.2°F71.4°F-3.3°NCLIMGRID
1932Oct64.1°F66.1°F-2.0°NCLIMGRID
1932Nov65.0°F60.4°F+4.6°NCLIMGRID
1932Dec50.7°F54.8°F-4.1°NCLIMGRID
1933Jan50.6°F54.8°F-4.2°NCLIMGRID
1933Feb51.1°F55.4°F-4.3°NCLIMGRID
1933Mar55.3°F55.7°F-0.5°NCLIMGRID
1933Apr55.3°F58.1°F-2.7°NCLIMGRID
1933May56.7°F61.6°F-4.9°NCLIMGRID
1933Jun62.9°F66.1°F-3.2°NCLIMGRID
1933Jul70.1°F71.7°F-1.6°NCLIMGRID
1933Aug70.8°F73.0°F-2.1°NCLIMGRID
1933Sep64.6°F71.4°F-6.9°NCLIMGRID
1933Oct65.7°F66.1°F-0.4°NCLIMGRID
1933Nov63.7°F60.4°F+3.3°NCLIMGRID
1933Dec54.3°F54.8°F-0.5°NCLIMGRID
1934Jan57.1°F54.8°F+2.3°NCLIMGRID
1934Feb55.3°F55.4°F-0.1°NCLIMGRID
1934Mar62.2°F55.7°F+6.4°NCLIMGRID
1934Apr61.3°F58.1°F+3.2°NCLIMGRID
1934May64.6°F61.6°F+2.9°NCLIMGRID
1934Jun63.3°F66.1°F-2.7°NCLIMGRID
1934Jul71.9°F71.7°F+0.2°NCLIMGRID
1934Aug71.4°F73.0°F-1.6°NCLIMGRID
1934Sep71.5°F71.4°F+0.1°NCLIMGRID
1934Oct64.5°F66.1°F-1.6°NCLIMGRID
1934Nov59.4°F60.4°F-1.0°NCLIMGRID
1934Dec56.1°F54.8°F+1.3°NCLIMGRID
1935Jan52.7°F54.8°F-2.1°NCLIMGRID
1935Feb55.0°F55.4°F-0.4°NCLIMGRID
1935Mar50.6°F55.7°F-5.2°NCLIMGRID
1935Apr56.2°F58.1°F-1.8°NCLIMGRID
1935May59.4°F61.6°F-2.3°NCLIMGRID
1935Jun65.2°F66.1°F-0.9°NCLIMGRID
1935Jul69.3°F71.7°F-2.5°NCLIMGRID
1935Aug73.9°F73.0°F+1.0°NCLIMGRID
1935Sep69.6°F71.4°F-1.8°NCLIMGRID
1935Oct64.3°F66.1°F-1.8°NCLIMGRID
1935Nov57.1°F60.4°F-3.3°NCLIMGRID
1935Dec55.1°F54.8°F+0.3°NCLIMGRID
1936Jan55.0°F54.8°F+0.2°NCLIMGRID
1936Feb52.3°F55.4°F-3.1°NCLIMGRID
1936Mar55.4°F55.7°F-0.4°NCLIMGRID
1936Apr56.7°F58.1°F-1.3°NCLIMGRID
1936May62.3°F61.6°F+0.7°NCLIMGRID
1936Jun67.7°F66.1°F+1.6°NCLIMGRID
1936Jul73.7°F71.7°F+2.0°NCLIMGRID
1936Aug73.2°F73.0°F+0.3°NCLIMGRID
1936Sep69.8°F71.4°F-1.6°NCLIMGRID
1936Oct64.7°F66.1°F-1.4°NCLIMGRID
1936Nov64.0°F60.4°F+3.6°NCLIMGRID
1936Dec54.7°F54.8°F-0.2°NCLIMGRID
1937Jan43.7°F54.8°F-11.1°NCLIMGRID
1937Feb50.5°F55.4°F-4.9°NCLIMGRID
1937Mar53.8°F55.7°F-1.9°NCLIMGRID
1937Apr57.8°F58.1°F-0.2°NCLIMGRID
1937May61.6°F61.6°F+0.0°NCLIMGRID
1937Jun66.2°F66.1°F+0.2°NCLIMGRID
1937Jul70.9°F71.7°F-0.8°NCLIMGRID
1937Aug71.8°F73.0°F-1.1°NCLIMGRID
1937Sep71.4°F71.4°F+0.0°NCLIMGRID
1937Oct64.8°F66.1°F-1.3°NCLIMGRID
1937Nov58.0°F60.4°F-2.3°NCLIMGRID
1937Dec57.6°F54.8°F+2.7°NCLIMGRID
1938Jan57.1°F54.8°F+2.3°NCLIMGRID
1938Feb52.2°F55.4°F-3.2°NCLIMGRID
1938Mar53.4°F55.7°F-2.4°NCLIMGRID
1938Apr56.9°F58.1°F-1.1°NCLIMGRID
1938May60.7°F61.6°F-0.9°NCLIMGRID
1938Jun64.3°F66.1°F-1.7°NCLIMGRID
1938Jul69.5°F71.7°F-2.2°NCLIMGRID
1938Aug73.8°F73.0°F+0.8°NCLIMGRID
1938Sep72.6°F71.4°F+1.2°NCLIMGRID
1938Oct64.0°F66.1°F-2.1°NCLIMGRID
1938Nov59.7°F60.4°F-0.7°NCLIMGRID
1938Dec57.9°F54.8°F+3.1°NCLIMGRID
1939Jan52.5°F54.8°F-2.4°NCLIMGRID
1939Feb48.7°F55.4°F-6.7°NCLIMGRID
1939Mar52.5°F55.7°F-3.2°NCLIMGRID
1939Apr58.6°F58.1°F+0.6°NCLIMGRID
1939May60.4°F61.6°F-1.2°NCLIMGRID
1939Jun64.3°F66.1°F-1.7°NCLIMGRID
1939Jul70.1°F71.7°F-1.6°NCLIMGRID
1939Aug72.3°F73.0°F-0.6°NCLIMGRID
1939Sep74.4°F71.4°F+3.0°NCLIMGRID
1939Oct67.3°F66.1°F+1.2°NCLIMGRID
1939Nov62.2°F60.4°F+1.8°NCLIMGRID
1939Dec57.9°F54.8°F+3.0°NCLIMGRID
1940Jan55.0°F54.8°F+0.1°NCLIMGRID
1940Feb54.3°F55.4°F-1.1°NCLIMGRID
1940Mar57.3°F55.7°F+1.5°NCLIMGRID
1940Apr59.0°F58.1°F+1.0°NCLIMGRID
1940May63.3°F61.6°F+1.7°NCLIMGRID
1940Jun65.0°F66.1°F-1.1°NCLIMGRID
1940Jul69.5°F71.7°F-2.2°NCLIMGRID
1940Aug70.8°F73.0°F-2.2°NCLIMGRID
1940Sep68.5°F71.4°F-2.9°NCLIMGRID
1940Oct65.3°F66.1°F-0.8°NCLIMGRID
1940Nov60.0°F60.4°F-0.4°NCLIMGRID
1940Dec56.9°F54.8°F+2.1°NCLIMGRID
1941Jan53.8°F54.8°F-1.0°NCLIMGRID
1941Feb54.8°F55.4°F-0.6°NCLIMGRID
1941Mar57.1°F55.7°F+1.4°NCLIMGRID
1941Apr55.8°F58.1°F-2.3°NCLIMGRID
1941May65.5°F61.6°F+3.8°NCLIMGRID
1941Jun65.0°F66.1°F-1.1°NCLIMGRID
1941Jul69.5°F71.7°F-2.3°NCLIMGRID
1941Aug71.1°F73.0°F-1.9°NCLIMGRID
1941Sep67.7°F71.4°F-3.8°NCLIMGRID
1941Oct63.6°F66.1°F-2.5°NCLIMGRID
1941Nov62.2°F60.4°F+1.8°NCLIMGRID
1941Dec53.2°F54.8°F-1.7°NCLIMGRID
1942Jan53.7°F54.8°F-1.1°NCLIMGRID
1942Feb51.7°F55.4°F-3.7°NCLIMGRID
1942Mar54.6°F55.7°F-1.1°NCLIMGRID
1942Apr56.2°F58.1°F-1.9°NCLIMGRID
1942May60.8°F61.6°F-0.8°NCLIMGRID
1942Jun64.8°F66.1°F-1.3°NCLIMGRID
1942Jul71.6°F71.7°F-0.1°NCLIMGRID
1942Aug71.2°F73.0°F-1.8°NCLIMGRID
1942Sep66.8°F71.4°F-4.6°NCLIMGRID
1942Oct65.5°F66.1°F-0.6°NCLIMGRID
1942Nov59.7°F60.4°F-0.7°NCLIMGRID
1942Dec53.5°F54.8°F-1.3°NCLIMGRID
1943Jan53.5°F54.8°F-1.4°NCLIMGRID
1943Feb55.3°F55.4°F-0.1°NCLIMGRID
1943Mar55.2°F55.7°F-0.6°NCLIMGRID
1943Apr57.5°F58.1°F-0.6°NCLIMGRID
1943May62.5°F61.6°F+0.9°NCLIMGRID
1943Jun64.4°F66.1°F-1.7°NCLIMGRID
1943Jul70.5°F71.7°F-1.2°NCLIMGRID
1943Aug71.2°F73.0°F-1.8°NCLIMGRID
1943Sep69.1°F71.4°F-2.3°NCLIMGRID
1943Oct64.1°F66.1°F-2.0°NCLIMGRID
1943Nov59.5°F60.4°F-0.9°NCLIMGRID
1943Dec52.9°F54.8°F-1.9°NCLIMGRID
1944Jan52.9°F54.8°F-1.9°NCLIMGRID
1944Feb49.4°F55.4°F-6.0°NCLIMGRID
1944Mar55.5°F55.7°F-0.2°NCLIMGRID
1944Apr54.6°F58.1°F-3.4°NCLIMGRID
1944May59.4°F61.6°F-2.2°NCLIMGRID
1944Jun61.5°F66.1°F-4.5°NCLIMGRID
1944Jul65.8°F71.7°F-6.0°NCLIMGRID
1944Aug70.6°F73.0°F-2.3°NCLIMGRID
1944Sep69.0°F71.4°F-2.5°NCLIMGRID
1944Oct62.7°F66.1°F-3.4°NCLIMGRID
1944Nov55.8°F60.4°F-4.6°NCLIMGRID
1944Dec55.1°F54.8°F+0.3°NCLIMGRID
1945Jan52.1°F54.8°F-2.7°NCLIMGRID
1945Feb52.6°F55.4°F-2.8°NCLIMGRID
1945Mar51.0°F55.7°F-4.8°NCLIMGRID
1945Apr55.4°F58.1°F-2.7°NCLIMGRID
1945May59.3°F61.6°F-2.4°NCLIMGRID
1945Jun63.5°F66.1°F-2.6°NCLIMGRID
1945Jul70.7°F71.7°F-1.0°NCLIMGRID
1945Aug73.3°F73.0°F+0.3°NCLIMGRID
1945Sep71.4°F71.4°F+0.0°NCLIMGRID
1945Oct64.7°F66.1°F-1.4°NCLIMGRID
1945Nov58.3°F60.4°F-2.1°NCLIMGRID
1945Dec52.7°F54.8°F-2.1°NCLIMGRID
1946Jan54.0°F54.8°F-0.9°NCLIMGRID
1946Feb50.5°F55.4°F-4.9°NCLIMGRID
1946Mar53.6°F55.7°F-2.2°NCLIMGRID
1946Apr58.1°F58.1°F+0.0°NCLIMGRID
1946May58.9°F61.6°F-2.7°NCLIMGRID
1946Jun66.7°F66.1°F+0.6°NCLIMGRID
1946Jul71.2°F71.7°F-0.6°NCLIMGRID
1946Aug71.9°F73.0°F-1.1°NCLIMGRID
1946Sep71.9°F71.4°F+0.4°NCLIMGRID
1946Oct62.2°F66.1°F-3.9°NCLIMGRID
1946Nov55.8°F60.4°F-4.5°NCLIMGRID
1946Dec52.9°F54.8°F-2.0°NCLIMGRID
1947Jan51.5°F54.8°F-3.3°NCLIMGRID
1947Feb55.1°F55.4°F-0.3°NCLIMGRID
1947Mar56.7°F55.7°F+0.9°NCLIMGRID
1947Apr59.1°F58.1°F+1.0°NCLIMGRID
1947May61.8°F61.6°F+0.1°NCLIMGRID
1947Jun65.3°F66.1°F-0.8°NCLIMGRID
1947Jul71.1°F71.7°F-0.6°NCLIMGRID
1947Aug71.3°F73.0°F-1.7°NCLIMGRID
1947Sep71.6°F71.4°F+0.2°NCLIMGRID
1947Oct64.0°F66.1°F-2.0°NCLIMGRID
1947Nov56.2°F60.4°F-4.2°NCLIMGRID
1947Dec53.0°F54.8°F-1.8°NCLIMGRID
1948Jan54.5°F54.8°F-0.4°NCLIMGRID
1948Feb50.5°F55.4°F-4.9°NCLIMGRID
1948Mar51.5°F55.7°F-4.2°NCLIMGRID
1948Apr57.0°F58.1°F-1.0°NCLIMGRID
1948May59.7°F61.6°F-1.9°NCLIMGRID
1948Jun64.0°F66.1°F-2.1°NCLIMGRID
1948Jul67.9°F71.7°F-3.8°NCLIMGRID
1948Aug69.1°F73.0°F-3.8°NCLIMGRID
1948Sep68.6°F71.4°F-2.8°NCLIMGRID
1948Oct62.6°F66.1°F-3.5°NCLIMGRID
1948Nov59.7°F60.4°F-0.7°NCLIMGRID
1948Dec50.1°F54.8°F-4.8°NCLIMGRID
1949Jan44.6°F54.8°F-10.2°NCLIMGRID
1949Feb49.1°F55.4°F-6.3°NCLIMGRID
1949Mar51.5°F55.7°F-4.2°NCLIMGRID
1949Apr59.1°F58.1°F+1.1°NCLIMGRID
1949May60.8°F61.6°F-0.9°NCLIMGRID
1949Jun66.5°F66.1°F+0.5°NCLIMGRID
1949Jul69.0°F71.7°F-2.7°NCLIMGRID
1949Aug70.7°F73.0°F-2.3°NCLIMGRID
1949Sep70.6°F71.4°F-0.8°NCLIMGRID
1949Oct62.5°F66.1°F-3.6°NCLIMGRID
1949Nov64.4°F60.4°F+4.0°NCLIMGRID
1949Dec51.9°F54.8°F-2.9°NCLIMGRID
1950Jan47.4°F54.8°F-7.4°NCLIMGRID
1950Feb52.6°F55.4°F-2.8°NCLIMGRID
1950Mar54.7°F55.7°F-1.0°NCLIMGRID
1950Apr58.5°F58.1°F+0.4°NCLIMGRID
1950May58.1°F61.6°F-3.5°NCLIMGRID
1950Jun63.2°F66.1°F-2.9°NCLIMGRID
1950Jul70.8°F71.7°F-0.9°NCLIMGRID
1950Aug69.0°F73.0°F-4.0°NCLIMGRID
1950Sep67.3°F71.4°F-4.1°NCLIMGRID
1950Oct65.6°F66.1°F-0.5°NCLIMGRID
1950Nov62.0°F60.4°F+1.6°NCLIMGRID
1950Dec58.9°F54.8°F+4.1°NCLIMGRID
1951Jan52.4°F54.8°F-2.4°NCLIMGRID
1951Feb51.7°F55.4°F-3.7°NCLIMGRID
1951Mar55.7°F55.7°F-0.1°NCLIMGRID
1951Apr56.8°F58.1°F-1.3°NCLIMGRID
1951May59.6°F61.6°F-2.0°NCLIMGRID
1951Jun63.7°F66.1°F-2.3°NCLIMGRID
1951Jul71.0°F71.7°F-0.7°NCLIMGRID
1951Aug69.7°F73.0°F-3.3°NCLIMGRID
1951Sep69.7°F71.4°F-1.7°NCLIMGRID
1951Oct64.5°F66.1°F-1.6°NCLIMGRID
1951Nov58.4°F60.4°F-2.0°NCLIMGRID
1951Dec51.3°F54.8°F-3.6°NCLIMGRID
1952Jan49.6°F54.8°F-5.2°NCLIMGRID
1952Feb53.4°F55.4°F-2.0°NCLIMGRID
1952Mar50.0°F55.7°F-5.7°NCLIMGRID
1952Apr56.1°F58.1°F-2.0°NCLIMGRID
1952May62.0°F61.6°F+0.4°NCLIMGRID
1952Jun61.0°F66.1°F-5.0°NCLIMGRID
1952Jul69.0°F71.7°F-2.7°NCLIMGRID
1952Aug71.1°F73.0°F-1.8°NCLIMGRID
1952Sep70.8°F71.4°F-0.6°NCLIMGRID
1952Oct64.6°F66.1°F-1.5°NCLIMGRID
1952Nov56.0°F60.4°F-4.3°NCLIMGRID
1952Dec52.9°F54.8°F-1.9°NCLIMGRID
1953Jan57.7°F54.8°F+2.8°NCLIMGRID
1953Feb55.0°F55.4°F-0.4°NCLIMGRID
1953Mar54.1°F55.7°F-1.7°NCLIMGRID
1953Apr54.1°F58.1°F-3.9°NCLIMGRID
1953May58.6°F61.6°F-3.1°NCLIMGRID
1953Jun62.3°F66.1°F-3.7°NCLIMGRID
1953Jul71.9°F71.7°F+0.2°NCLIMGRID
1953Aug68.9°F73.0°F-4.0°NCLIMGRID
1953Sep68.5°F71.4°F-2.9°NCLIMGRID
1953Oct64.7°F66.1°F-1.3°NCLIMGRID
1953Nov60.4°F60.4°F+0.0°NCLIMGRID
1953Dec56.2°F54.8°F+1.4°NCLIMGRID
1954Jan51.9°F54.8°F-2.9°NCLIMGRID
1954Feb60.1°F55.4°F+4.7°NCLIMGRID
1954Mar52.1°F55.7°F-3.7°NCLIMGRID
1954Apr56.7°F58.1°F-1.3°NCLIMGRID
1954May60.0°F61.6°F-1.7°NCLIMGRID
1954Jun64.3°F66.1°F-1.7°NCLIMGRID
1954Jul74.0°F71.7°F+2.3°NCLIMGRID
1954Aug71.2°F73.0°F-1.7°NCLIMGRID
1954Sep69.2°F71.4°F-2.2°NCLIMGRID
1954Oct62.3°F66.1°F-3.8°NCLIMGRID
1954Nov62.2°F60.4°F+1.8°NCLIMGRID
1954Dec54.3°F54.8°F-0.5°NCLIMGRID
1955Jan49.5°F54.8°F-5.3°NCLIMGRID
1955Feb51.6°F55.4°F-3.8°NCLIMGRID
1955Mar55.7°F55.7°F-0.1°NCLIMGRID
1955Apr56.0°F58.1°F-2.0°NCLIMGRID
1955May59.4°F61.6°F-2.2°NCLIMGRID
1955Jun63.2°F66.1°F-2.8°NCLIMGRID
1955Jul68.1°F71.7°F-3.7°NCLIMGRID
1955Aug73.5°F73.0°F+0.6°NCLIMGRID
1955Sep72.1°F71.4°F+0.6°NCLIMGRID
1955Oct61.9°F66.1°F-4.2°NCLIMGRID
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1984Apr59.5°F58.1°F+1.5°NCLIMGRID
1984May67.2°F61.6°F+5.6°NCLIMGRID
1984Jun67.7°F66.1°F+1.6°NCLIMGRID
1984Jul75.4°F71.7°F+3.7°NCLIMGRID
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1984Sep78.3°F71.4°F+6.9°NCLIMGRID
1984Oct64.6°F66.1°F-1.5°NCLIMGRID
1984Nov57.5°F60.4°F-2.9°NCLIMGRID
1984Dec52.2°F54.8°F-2.6°NCLIMGRID
1985Jan53.4°F54.8°F-1.4°NCLIMGRID
1985Feb54.4°F55.4°F-1.0°NCLIMGRID
1985Mar53.3°F55.7°F-2.4°NCLIMGRID
1985Apr60.7°F58.1°F+2.6°NCLIMGRID
1985May60.8°F61.6°F-0.8°NCLIMGRID
1985Jun68.0°F66.1°F+2.0°NCLIMGRID
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1985Aug73.3°F73.0°F+0.3°NCLIMGRID
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1985Oct66.7°F66.1°F+0.6°NCLIMGRID
1985Nov57.3°F60.4°F-3.1°NCLIMGRID
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1986Jan59.9°F54.8°F+5.0°NCLIMGRID
1986Feb56.5°F55.4°F+1.1°NCLIMGRID
1986Mar58.8°F55.7°F+3.0°NCLIMGRID
1986Apr59.5°F58.1°F+1.5°NCLIMGRID
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1986Jun67.4°F66.1°F+1.4°NCLIMGRID
1986Jul70.7°F71.7°F-1.0°NCLIMGRID
1986Aug73.5°F73.0°F+0.5°NCLIMGRID
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1986Oct65.6°F66.1°F-0.5°NCLIMGRID
1986Nov64.0°F60.4°F+3.6°NCLIMGRID
1986Dec56.2°F54.8°F+1.3°NCLIMGRID
1987Jan53.8°F54.8°F-1.0°NCLIMGRID
1987Feb55.9°F55.4°F+0.5°NCLIMGRID
1987Mar56.4°F55.7°F+0.6°NCLIMGRID
1987Apr62.3°F58.1°F+4.3°NCLIMGRID
1987May64.3°F61.6°F+2.6°NCLIMGRID
1987Jun66.6°F66.1°F+0.6°NCLIMGRID
1987Jul68.2°F71.7°F-3.5°NCLIMGRID
1987Aug71.5°F73.0°F-1.4°NCLIMGRID
1987Sep72.4°F71.4°F+1.0°NCLIMGRID
1987Oct69.3°F66.1°F+3.2°NCLIMGRID
1987Nov60.7°F60.4°F+0.3°NCLIMGRID
1987Dec51.2°F54.8°F-3.6°NCLIMGRID
1988Jan55.3°F54.8°F+0.4°NCLIMGRID
1988Feb58.7°F55.4°F+3.3°NCLIMGRID
1988Mar60.5°F55.7°F+4.8°NCLIMGRID
1988Apr59.3°F58.1°F+1.2°NCLIMGRID
1988May63.0°F61.6°F+1.4°NCLIMGRID
1988Jun64.7°F66.1°F-1.3°NCLIMGRID
1988Jul72.2°F71.7°F+0.4°NCLIMGRID
1988Aug71.7°F73.0°F-1.3°NCLIMGRID
1988Sep70.1°F71.4°F-1.3°NCLIMGRID
1988Oct66.7°F66.1°F+0.6°NCLIMGRID
1988Nov59.3°F60.4°F-1.1°NCLIMGRID
1988Dec54.1°F54.8°F-0.7°NCLIMGRID
1989Jan53.8°F54.8°F-1.0°NCLIMGRID
1989Feb52.7°F55.4°F-2.7°NCLIMGRID
1989Mar58.2°F55.7°F+2.4°NCLIMGRID
1989Apr63.5°F58.1°F+5.4°NCLIMGRID
1989May62.2°F61.6°F+0.5°NCLIMGRID
1989Jun66.7°F66.1°F+0.6°NCLIMGRID
1989Jul72.8°F71.7°F+1.0°NCLIMGRID
1989Aug70.9°F73.0°F-2.1°NCLIMGRID
1989Sep71.5°F71.4°F+0.0°NCLIMGRID
1989Oct65.4°F66.1°F-0.7°NCLIMGRID
1989Nov63.2°F60.4°F+2.8°NCLIMGRID
1989Dec58.5°F54.8°F+3.6°NCLIMGRID
1990Jan55.6°F54.8°F+0.8°NCLIMGRID
1990Feb53.0°F55.4°F-2.4°NCLIMGRID
1990Mar56.1°F55.7°F+0.4°NCLIMGRID
1990Apr60.4°F58.1°F+2.4°NCLIMGRID
1990May62.0°F61.6°F+0.3°NCLIMGRID
1990Jun69.3°F66.1°F+3.3°NCLIMGRID
1990Jul74.4°F71.7°F+2.7°NCLIMGRID
1990Aug72.7°F73.0°F-0.3°NCLIMGRID
1990Sep72.9°F71.4°F+1.5°NCLIMGRID
1990Oct68.8°F66.1°F+2.7°NCLIMGRID
1990Nov62.3°F60.4°F+1.9°NCLIMGRID
1990Dec54.3°F54.8°F-0.6°NCLIMGRID
1991Jan55.8°F54.8°F+0.9°NCLIMGRID
1991Feb58.3°F55.4°F+2.9°NCLIMGRID
1991Mar52.0°F55.7°F-3.8°NCLIMGRID
1991Apr59.3°F58.1°F+1.3°NCLIMGRID
1991May60.4°F61.6°F-1.2°NCLIMGRID
1991Jun63.7°F66.1°F-2.4°NCLIMGRID
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1991Aug72.3°F73.0°F-0.7°NCLIMGRID
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1991Nov62.7°F60.4°F+2.4°NCLIMGRID
1991Dec56.2°F54.8°F+1.3°NCLIMGRID
1992Jan56.8°F54.8°F+1.9°NCLIMGRID
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1992Mar56.4°F55.7°F+0.7°NCLIMGRID
1992Apr63.8°F58.1°F+5.7°NCLIMGRID
1992May65.4°F61.6°F+3.8°NCLIMGRID
1992Jun66.4°F66.1°F+0.3°NCLIMGRID
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1992Nov62.7°F60.4°F+2.3°NCLIMGRID
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1993Jan53.7°F54.8°F-1.2°NCLIMGRID
1993Feb53.8°F55.4°F-1.6°NCLIMGRID
1993Mar59.2°F55.7°F+3.5°NCLIMGRID
1993Apr61.8°F58.1°F+3.7°NCLIMGRID
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1993Nov61.5°F60.4°F+1.1°NCLIMGRID
1993Dec56.0°F54.8°F+1.2°NCLIMGRID
1994Jan57.8°F54.8°F+2.9°NCLIMGRID
1994Feb53.8°F55.4°F-1.6°NCLIMGRID
1994Mar59.2°F55.7°F+3.5°NCLIMGRID
1994Apr58.9°F58.1°F+0.9°NCLIMGRID
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1994Jun69.4°F66.1°F+3.3°NCLIMGRID
1994Jul70.9°F71.7°F-0.8°NCLIMGRID
1994Aug76.2°F73.0°F+3.2°NCLIMGRID
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1994Nov55.9°F60.4°F-4.5°NCLIMGRID
1994Dec54.9°F54.8°F+0.1°NCLIMGRID
1995Jan53.9°F54.8°F-0.9°NCLIMGRID
1995Feb59.8°F55.4°F+4.4°NCLIMGRID
1995Mar57.8°F55.7°F+2.1°NCLIMGRID
1995Apr58.5°F58.1°F+0.4°NCLIMGRID
1995May58.8°F61.6°F-2.8°NCLIMGRID
1995Jun64.9°F66.1°F-1.2°NCLIMGRID
1995Jul71.8°F71.7°F+0.1°NCLIMGRID
1995Aug74.0°F73.0°F+1.1°NCLIMGRID
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1996Nov61.9°F60.4°F+1.5°NCLIMGRID
1996Dec57.0°F54.8°F+2.2°NCLIMGRID
1997Jan56.5°F54.8°F+1.7°NCLIMGRID
1997Feb57.0°F55.4°F+1.6°NCLIMGRID
1997Mar60.4°F55.7°F+4.7°NCLIMGRID
1997Apr61.1°F58.1°F+3.1°NCLIMGRID
1997May68.6°F61.6°F+7.0°NCLIMGRID
1997Jun68.0°F66.1°F+1.9°NCLIMGRID
1997Jul71.1°F71.7°F-0.6°NCLIMGRID
1997Aug75.3°F73.0°F+2.3°NCLIMGRID
1997Sep76.4°F71.4°F+5.0°NCLIMGRID
1997Oct67.7°F66.1°F+1.6°NCLIMGRID
1997Nov62.4°F60.4°F+2.1°NCLIMGRID
1997Dec55.7°F54.8°F+0.9°NCLIMGRID
1998Jan55.4°F54.8°F+0.5°NCLIMGRID
1998Feb52.4°F55.4°F-2.9°NCLIMGRID
1998Mar56.7°F55.7°F+0.9°NCLIMGRID
1998Apr56.4°F58.1°F-1.7°NCLIMGRID
1998May58.8°F61.6°F-2.9°NCLIMGRID
1998Jun64.3°F66.1°F-1.8°NCLIMGRID
1998Jul73.0°F71.7°F+1.3°NCLIMGRID
1998Aug77.3°F73.0°F+4.3°NCLIMGRID
1998Sep70.8°F71.4°F-0.6°NCLIMGRID
1998Oct65.4°F66.1°F-0.7°NCLIMGRID
1998Nov59.3°F60.4°F-1.1°NCLIMGRID
1998Dec56.0°F54.8°F+1.1°NCLIMGRID
1999Jan56.6°F54.8°F+1.8°NCLIMGRID
1999Feb55.0°F55.4°F-0.4°NCLIMGRID
1999Mar53.4°F55.7°F-2.3°NCLIMGRID
1999Apr56.0°F58.1°F-2.0°NCLIMGRID
1999May61.2°F61.6°F-0.4°NCLIMGRID
1999Jun64.6°F66.1°F-1.5°NCLIMGRID
1999Jul71.2°F71.7°F-0.5°NCLIMGRID
1999Aug72.0°F73.0°F-1.0°NCLIMGRID
1999Sep69.2°F71.4°F-2.3°NCLIMGRID
1999Oct71.4°F66.1°F+5.3°NCLIMGRID
1999Nov62.0°F60.4°F+1.6°NCLIMGRID
1999Dec58.9°F54.8°F+4.1°NCLIMGRID
2000Jan57.4°F54.8°F+2.6°NCLIMGRID
2000Feb54.6°F55.4°F-0.8°NCLIMGRID
2000Mar56.6°F55.7°F+0.9°NCLIMGRID
2000Apr61.3°F58.1°F+3.3°NCLIMGRID
2000May65.2°F61.6°F+3.5°NCLIMGRID
2000Jun69.2°F66.1°F+3.2°NCLIMGRID
2000Jul71.1°F71.7°F-0.6°NCLIMGRID
2000Aug74.9°F73.0°F+1.9°NCLIMGRID
2000Sep72.1°F71.4°F+0.7°NCLIMGRID
2000Oct63.0°F66.1°F-3.1°NCLIMGRID
2000Nov57.6°F60.4°F-2.8°NCLIMGRID
2000Dec59.1°F54.8°F+4.2°NCLIMGRID
2001Jan53.4°F54.8°F-1.5°NCLIMGRID
2001Feb51.8°F55.4°F-3.6°NCLIMGRID
2001Mar57.5°F55.7°F+1.7°NCLIMGRID
2001Apr56.2°F58.1°F-1.8°NCLIMGRID
2001May65.7°F61.6°F+4.0°NCLIMGRID
2001Jun69.3°F66.1°F+3.2°NCLIMGRID
2001Jul69.8°F71.7°F-1.9°NCLIMGRID
2001Aug72.8°F73.0°F-0.1°NCLIMGRID
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2001Nov60.7°F60.4°F+0.3°NCLIMGRID
2001Dec53.9°F54.8°F-0.9°NCLIMGRID
2002Jan54.4°F54.8°F-0.4°NCLIMGRID
2002Feb58.4°F55.4°F+3.0°NCLIMGRID
2002Mar56.0°F55.7°F+0.3°NCLIMGRID
2002Apr57.4°F58.1°F-0.7°NCLIMGRID
2002May61.5°F61.6°F-0.2°NCLIMGRID
2002Jun67.0°F66.1°F+1.0°NCLIMGRID
2002Jul71.8°F71.7°F+0.0°NCLIMGRID
2002Aug71.3°F73.0°F-1.6°NCLIMGRID
2002Sep73.1°F71.4°F+1.7°NCLIMGRID
2002Oct63.1°F66.1°F-3.0°NCLIMGRID
2002Nov64.2°F60.4°F+3.9°NCLIMGRID
2002Dec54.8°F54.8°F+0.0°NCLIMGRID
2003Jan63.4°F54.8°F+8.6°NCLIMGRID
2003Feb55.7°F55.4°F+0.3°NCLIMGRID
2003Mar58.8°F55.7°F+3.1°NCLIMGRID
2003Apr55.8°F58.1°F-2.3°NCLIMGRID
2003May61.8°F61.6°F+0.2°NCLIMGRID
2003Jun65.1°F66.1°F-0.9°NCLIMGRID
2003Jul75.1°F71.7°F+3.4°NCLIMGRID
2003Aug76.1°F73.0°F+3.1°NCLIMGRID
2003Sep72.8°F71.4°F+1.4°NCLIMGRID
2003Oct70.8°F66.1°F+4.7°NCLIMGRID
2003Nov57.9°F60.4°F-2.5°NCLIMGRID
2003Dec55.2°F54.8°F+0.4°NCLIMGRID
2004Jan55.7°F54.8°F+0.9°NCLIMGRID
2004Feb53.6°F55.4°F-1.8°NCLIMGRID
2004Mar62.6°F55.7°F+6.9°NCLIMGRID
2004Apr61.1°F58.1°F+3.0°NCLIMGRID
2004May65.9°F61.6°F+4.3°NCLIMGRID
2004Jun66.7°F66.1°F+0.7°NCLIMGRID
2004Jul72.3°F71.7°F+0.6°NCLIMGRID
2004Aug71.7°F73.0°F-1.2°NCLIMGRID
2004Sep73.8°F71.4°F+2.4°NCLIMGRID
2004Oct63.6°F66.1°F-2.5°NCLIMGRID
2004Nov57.5°F60.4°F-2.9°NCLIMGRID
2004Dec56.3°F54.8°F+1.5°NCLIMGRID
2005Jan56.7°F54.8°F+1.9°NCLIMGRID
2005Feb55.6°F55.4°F+0.2°NCLIMGRID
2005Mar57.2°F55.7°F+1.4°NCLIMGRID
2005Apr59.3°F58.1°F+1.3°NCLIMGRID
2005May64.2°F61.6°F+2.5°NCLIMGRID
2005Jun65.4°F66.1°F-0.6°NCLIMGRID
2005Jul73.2°F71.7°F+1.5°NCLIMGRID
2005Aug73.1°F73.0°F+0.2°NCLIMGRID
2005Sep69.4°F71.4°F-2.1°NCLIMGRID
2005Oct65.2°F66.1°F-0.9°NCLIMGRID
2005Nov63.5°F60.4°F+3.1°NCLIMGRID
2005Dec57.5°F54.8°F+2.7°NCLIMGRID
2006Jan55.7°F54.8°F+0.9°NCLIMGRID
2006Feb58.1°F55.4°F+2.7°NCLIMGRID
2006Mar51.1°F55.7°F-4.6°NCLIMGRID
2006Apr55.8°F58.1°F-2.2°NCLIMGRID
2006May63.2°F61.6°F+1.6°NCLIMGRID
2006Jun71.7°F66.1°F+5.6°NCLIMGRID
2006Jul77.8°F71.7°F+6.1°NCLIMGRID
2006Aug72.7°F73.0°F-0.2°NCLIMGRID
2006Sep72.3°F71.4°F+0.9°NCLIMGRID
2006Oct65.7°F66.1°F-0.4°NCLIMGRID
2006Nov63.7°F60.4°F+3.4°NCLIMGRID
2006Dec57.0°F54.8°F+2.2°NCLIMGRID
2007Jan54.4°F54.8°F-0.4°NCLIMGRID
2007Feb56.0°F55.4°F+0.6°NCLIMGRID
2007Mar60.5°F55.7°F+4.8°NCLIMGRID
2007Apr59.1°F58.1°F+1.0°NCLIMGRID
2007May62.4°F61.6°F+0.8°NCLIMGRID
2007Jun67.5°F66.1°F+1.5°NCLIMGRID
2007Jul73.5°F71.7°F+1.8°NCLIMGRID
2007Aug75.6°F73.0°F+2.6°NCLIMGRID
2007Sep70.6°F71.4°F-0.8°NCLIMGRID
2007Oct67.6°F66.1°F+1.5°NCLIMGRID
2007Nov61.9°F60.4°F+1.5°NCLIMGRID
2007Dec53.4°F54.8°F-1.4°NCLIMGRID
2008Jan53.2°F54.8°F-1.7°NCLIMGRID
2008Feb55.1°F55.4°F-0.3°NCLIMGRID
2008Mar59.7°F55.7°F+4.0°NCLIMGRID
2008Apr60.8°F58.1°F+2.7°NCLIMGRID
2008May62.3°F61.6°F+0.6°NCLIMGRID
2008Jun70.2°F66.1°F+4.1°NCLIMGRID
2008Jul72.6°F71.7°F+0.8°NCLIMGRID
2008Aug74.2°F73.0°F+1.3°NCLIMGRID
2008Sep74.2°F71.4°F+2.8°NCLIMGRID
2008Oct71.9°F66.1°F+5.9°NCLIMGRID
2008Nov65.5°F60.4°F+5.1°NCLIMGRID
2008Dec53.6°F54.8°F-1.2°NCLIMGRID
2009Jan60.7°F54.8°F+5.9°NCLIMGRID
2009Feb54.8°F55.4°F-0.6°NCLIMGRID
2009Mar56.6°F55.7°F+0.8°NCLIMGRID
2009Apr59.3°F58.1°F+1.3°NCLIMGRID
2009May65.2°F61.6°F+3.5°NCLIMGRID
2009Jun64.9°F66.1°F-1.1°NCLIMGRID
2009Jul73.9°F71.7°F+2.2°NCLIMGRID
2009Aug73.9°F73.0°F+1.0°NCLIMGRID
2009Sep75.8°F71.4°F+4.4°NCLIMGRID
2009Oct66.3°F66.1°F+0.2°NCLIMGRID
2009Nov62.6°F60.4°F+2.2°NCLIMGRID
2009Dec54.0°F54.8°F-0.8°NCLIMGRID
2010Jan57.3°F54.8°F+2.5°NCLIMGRID
2010Feb55.5°F55.4°F+0.1°NCLIMGRID
2010Mar57.9°F55.7°F+2.2°NCLIMGRID
2010Apr56.1°F58.1°F-2.0°NCLIMGRID
2010May60.8°F61.6°F-0.9°NCLIMGRID
2010Jun66.3°F66.1°F+0.2°NCLIMGRID
2010Jul70.0°F71.7°F-1.7°NCLIMGRID
2010Aug72.0°F73.0°F-1.0°NCLIMGRID
2010Sep72.1°F71.4°F+0.6°NCLIMGRID
2010Oct65.8°F66.1°F-0.3°NCLIMGRID
2010Nov59.4°F60.4°F-1.0°NCLIMGRID
2010Dec56.4°F54.8°F+1.6°NCLIMGRID
2011Jan58.4°F54.8°F+3.6°NCLIMGRID
2011Feb52.5°F55.4°F-2.9°NCLIMGRID
2011Mar57.1°F55.7°F+1.3°NCLIMGRID
2011Apr60.3°F58.1°F+2.2°NCLIMGRID
2011May61.1°F61.6°F-0.6°NCLIMGRID
2011Jun64.6°F66.1°F-1.5°NCLIMGRID
2011Jul71.6°F71.7°F-0.1°NCLIMGRID
2011Aug73.2°F73.0°F+0.2°NCLIMGRID
2011Sep71.7°F71.4°F+0.3°NCLIMGRID
2011Oct66.8°F66.1°F+0.8°NCLIMGRID
2011Nov58.8°F60.4°F-1.6°NCLIMGRID
2011Dec54.2°F54.8°F-0.6°NCLIMGRID
2012Jan59.4°F54.8°F+4.6°NCLIMGRID
2012Feb55.3°F55.4°F-0.1°NCLIMGRID
2012Mar55.2°F55.7°F-0.5°NCLIMGRID
2012Apr59.4°F58.1°F+1.3°NCLIMGRID
2012May63.0°F61.6°F+1.4°NCLIMGRID
2012Jun66.0°F66.1°F+0.0°NCLIMGRID
2012Jul69.7°F71.7°F-2.0°NCLIMGRID
2012Aug77.5°F73.0°F+4.5°NCLIMGRID
2012Sep77.1°F71.4°F+5.7°NCLIMGRID
2012Oct69.6°F66.1°F+3.5°NCLIMGRID
2012Nov61.9°F60.4°F+1.5°NCLIMGRID
2012Dec53.7°F54.8°F-1.1°NCLIMGRID
2013Jan55.2°F54.8°F+0.4°NCLIMGRID
2013Feb54.8°F55.4°F-0.6°NCLIMGRID
2013Mar59.0°F55.7°F+3.2°NCLIMGRID
2013Apr60.2°F58.1°F+2.1°NCLIMGRID
2013May65.4°F61.6°F+3.8°NCLIMGRID
2013Jun68.1°F66.1°F+2.1°NCLIMGRID
2013Jul71.7°F71.7°F+0.0°NCLIMGRID
2013Aug72.9°F73.0°F+0.0°NCLIMGRID
2013Sep73.8°F71.4°F+2.3°NCLIMGRID
2013Oct65.5°F66.1°F-0.6°NCLIMGRID
2013Nov62.8°F60.4°F+2.5°NCLIMGRID
2013Dec58.3°F54.8°F+3.5°NCLIMGRID
2014Jan63.1°F54.8°F+8.2°NCLIMGRID
2014Feb58.6°F55.4°F+3.2°NCLIMGRID
2014Mar60.5°F55.7°F+4.8°NCLIMGRID
2014Apr62.4°F58.1°F+4.4°NCLIMGRID
2014May67.7°F61.6°F+6.0°NCLIMGRID
2014Jun67.8°F66.1°F+1.7°NCLIMGRID
2014Jul74.0°F71.7°F+2.2°NCLIMGRID
2014Aug73.8°F73.0°F+0.8°NCLIMGRID
2014Sep76.2°F71.4°F+4.8°NCLIMGRID
2014Oct70.6°F66.1°F+4.5°NCLIMGRID
2014Nov64.9°F60.4°F+4.5°NCLIMGRID
2014Dec57.3°F54.8°F+2.4°NCLIMGRID
2015Jan60.7°F54.8°F+5.9°NCLIMGRID
2015Feb61.3°F55.4°F+5.9°NCLIMGRID
2015Mar65.6°F55.7°F+9.9°NCLIMGRID
2015Apr62.5°F58.1°F+4.5°NCLIMGRID
2015May61.2°F61.6°F-0.4°NCLIMGRID
2015Jun70.1°F66.1°F+4.1°NCLIMGRID
2015Jul72.8°F71.7°F+1.1°NCLIMGRID
2015Aug76.7°F73.0°F+3.7°NCLIMGRID
2015Sep77.7°F71.4°F+6.3°NCLIMGRID
2015Oct74.5°F66.1°F+8.4°NCLIMGRID
2015Nov61.7°F60.4°F+1.4°NCLIMGRID
2015Dec55.7°F54.8°F+0.9°NCLIMGRID
2016Jan55.9°F54.8°F+1.0°NCLIMGRID
2016Feb63.5°F55.4°F+8.1°NCLIMGRID
2016Mar60.0°F55.7°F+4.3°NCLIMGRID
2016Apr63.4°F58.1°F+5.3°NCLIMGRID
2016May61.9°F61.6°F+0.2°NCLIMGRID
2016Jun70.8°F66.1°F+4.7°NCLIMGRID
2016Jul74.6°F71.7°F+2.9°NCLIMGRID
2016Aug74.3°F73.0°F+1.3°NCLIMGRID
2016Sep73.5°F71.4°F+2.0°NCLIMGRID
2016Oct69.2°F66.1°F+3.2°NCLIMGRID
2016Nov65.6°F60.4°F+5.2°NCLIMGRID
2016Dec56.5°F54.8°F+1.6°NCLIMGRID
2017Jan54.4°F54.8°F-0.4°NCLIMGRID
2017Feb55.5°F55.4°F+0.1°NCLIMGRID
2017Mar61.8°F55.7°F+6.0°NCLIMGRID
2017Apr63.3°F58.1°F+5.3°NCLIMGRID
2017May63.5°F61.6°F+1.8°NCLIMGRID
2017Jun69.7°F66.1°F+3.7°NCLIMGRID
2017Jul75.3°F71.7°F+3.6°NCLIMGRID
2017Aug76.0°F73.0°F+3.0°NCLIMGRID
2017Sep73.6°F71.4°F+2.2°NCLIMGRID
2017Oct71.9°F66.1°F+5.8°NCLIMGRID
2017Nov65.6°F60.4°F+5.2°NCLIMGRID
2017Dec61.6°F54.8°F+6.8°NCLIMGRID
2018Jan62.2°F54.8°F+7.4°NCLIMGRID
2018Feb57.6°F55.4°F+2.2°NCLIMGRID
2018Mar57.3°F55.7°F+1.6°NCLIMGRID
2018Apr61.5°F58.1°F+3.4°NCLIMGRID
2018May62.2°F61.6°F+0.5°NCLIMGRID
2018Jun68.1°F66.1°F+2.0°NCLIMGRID
2018Jul77.9°F71.7°F+6.2°NCLIMGRID
2018Aug76.9°F73.0°F+4.0°NCLIMGRID
2018Sep72.2°F71.4°F+0.8°NCLIMGRID
2018Oct68.8°F66.1°F+2.7°NCLIMGRID
2018Nov64.3°F60.4°F+3.9°NCLIMGRID
2018Dec57.6°F54.8°F+2.7°NCLIMGRID
2019Jan56.2°F54.8°F+1.3°NCLIMGRID
2019Feb50.0°F55.4°F-5.4°NCLIMGRID
2019Mar57.8°F55.7°F+2.1°NCLIMGRID
2019Apr61.0°F58.1°F+2.9°NCLIMGRID
2019May58.4°F61.6°F-3.3°NCLIMGRID
2019Jun67.0°F66.1°F+1.0°NCLIMGRID
2019Jul72.0°F71.7°F+0.3°NCLIMGRID
2019Aug74.0°F73.0°F+1.0°NCLIMGRID
2019Sep74.1°F71.4°F+2.7°NCLIMGRID
2019Oct68.1°F66.1°F+2.0°NCLIMGRID
2019Nov62.4°F60.4°F+2.1°NCLIMGRID
2019Dec54.9°F54.8°F+0.1°NCLIMGRID
2020Jan57.6°F54.8°F+2.8°NCLIMGRID
2020Feb57.9°F55.4°F+2.5°NCLIMGRID
2020Mar54.5°F55.7°F-1.2°NCLIMGRID
2020Apr60.2°F58.1°F+2.1°NCLIMGRID
2020May65.5°F61.6°F+3.8°NCLIMGRID
2020Jun68.8°F66.1°F+2.7°NCLIMGRID
2020Jul71.0°F71.7°F-0.7°NCLIMGRID
2020Aug77.0°F73.0°F+4.1°NCLIMGRID
2020Sep75.5°F71.4°F+4.0°NCLIMGRID
2020Oct70.5°F66.1°F+4.4°NCLIMGRID
2020Nov61.1°F60.4°F+0.7°NCLIMGRID
2020Dec57.0°F54.8°F+2.2°NCLIMGRID
2021Jan57.4°F54.8°F+2.6°NCLIMGRID
2021Feb57.4°F55.4°F+2.0°NCLIMGRID
2021Mar54.8°F55.7°F-1.0°NCLIMGRID
2021Apr62.0°F58.1°F+3.9°NCLIMGRID
2021May63.8°F61.6°F+2.1°NCLIMGRID
2021Jun70.4°F66.1°F+4.3°NCLIMGRID
2021Jul74.9°F71.7°F+3.2°NCLIMGRID
2021Aug75.2°F73.0°F+2.3°NCLIMGRID
2021Sep73.1°F71.4°F+1.7°NCLIMGRID
2021Oct66.0°F66.1°F-0.1°NCLIMGRID
2021Nov65.1°F60.4°F+4.7°NCLIMGRID
2021Dec54.5°F54.8°F-0.4°NCLIMGRID
2022Jan58.7°F54.8°F+3.9°NCLIMGRID
2022Feb59.1°F55.4°F+3.7°NCLIMGRID
2022Mar60.5°F55.7°F+4.8°NCLIMGRID
2022Apr62.7°F58.1°F+4.6°NCLIMGRID
2022May64.0°F61.6°F+2.3°NCLIMGRID
2022Jun70.7°F66.1°F+4.7°NCLIMGRID
2022Jul73.6°F71.7°F+1.9°NCLIMGRID
2022Aug77.2°F73.0°F+4.2°NCLIMGRID
2022Sep78.9°F71.4°F+7.4°NCLIMGRID
2022Oct69.6°F66.1°F+3.5°NCLIMGRID
2022Nov60.0°F60.4°F-0.4°NCLIMGRID
2022Dec55.9°F54.8°F+1.1°NCLIMGRID
2023Jan52.5°F54.8°F-2.3°NCLIMGRID
2023Feb52.4°F55.4°F-3.0°NCLIMGRID
2023Mar51.4°F55.7°F-4.4°NCLIMGRID
2023Apr58.2°F58.1°F+0.2°NCLIMGRID
2023May58.9°F61.6°F-2.8°NCLIMGRID
2023Jun62.6°F66.1°F-3.5°NCLIMGRID
2023Jul74.6°F71.7°F+2.9°NCLIMGRID
2023Aug74.8°F73.0°F+1.8°NCLIMGRID
2023Sep70.2°F71.4°F-1.2°NCLIMGRID
2023Oct69.2°F66.1°F+3.1°NCLIMGRID
2023Nov63.5°F60.4°F+3.1°NCLIMGRID
2023Dec59.3°F54.8°F+4.5°NCLIMGRID
2024Jan55.6°F54.8°F+0.8°NCLIMGRID
2024Feb53.3°F55.4°F-2.1°NCLIMGRID
2024Mar56.0°F55.7°F+0.2°NCLIMGRID
2024Apr58.6°F58.1°F+0.5°NCLIMGRID
2024May60.7°F61.6°F-1.0°NCLIMGRID
2024Jun68.8°F66.1°F+2.7°NCLIMGRID
2024Jul75.8°F71.7°F+4.0°NCLIMGRID
2024Aug76.0°F73.0°F+3.0°NCLIMGRID
2024Sep74.5°F71.4°F+3.1°NCLIMGRID
2024Oct71.1°F66.1°F+5.0°NCLIMGRID
2024Nov60.7°F60.4°F+0.4°NCLIMGRID
2024Dec59.9°F54.8°F+5.1°NCLIMGRID
2025Jan55.9°F54.8°F+1.0°NCLIMGRID
2025Feb57.9°F55.4°F+2.5°NCLIMGRID
2025Mar55.5°F55.7°F-0.3°NCLIMGRID
2025Apr58.8°F58.1°F+0.8°NCLIMGRID
2025May63.2°F61.6°F+1.5°NCLIMGRID
2025Jun68.4°F66.1°F+2.4°NCLIMGRID
2025Jul70.6°F71.7°F-1.1°NCLIMGRID
2025Aug75.8°F73.0°F+2.9°NCLIMGRID
2025Sep72.4°F71.4°F+1.0°NCLIMGRID
2025Oct67.5°F66.1°F+1.4°NCLIMGRID
2025Nov62.1°F60.4°F+1.7°NCLIMGRID
2025Dec61.7°F54.8°F+6.9°NCLIMGRID
2026Jan61.8°F54.8°F+6.9°NCLIMGRID
2026Feb61.4°F55.4°F+6.0°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
January54.8°F26/26
February55.4°F26/26
March55.7°F26/26
April58.1°F26/26
May61.6°F26/26
June66.1°F26/26
July71.7°F26/26
August73.0°F26/26
September71.4°F26/26
October66.1°F26/26
November60.4°F26/26
December54.8°F26/26

4. Anomaly Calculation

For each month, we calculate how far it deviates from the baseline. These are raw monthly anomalies.

Anomaly = Actual Temperature − Baseline[month]

5. Smoothing

The spiral visualization applies a 12-month centered moving average to reduce month-to-month noise and highlight multi-year warming trends. The spiral shows smoothed values, not raw anomalies.

6. Reading the Visualizations

Spiral: A 3D helix where each loop represents one year. The radius indicates the smoothed temperature anomaly, and colors range from blue (cold) to red (warm). The top view shows the annual cycle, while the side view shows time progression.

Stripes: Each stripe represents one year's average anomaly (the mean of all monthly anomalies for that year). No additional smoothing is applied; yearly aggregation naturally reduces noise.

Color scale: Color bounds are set to the 5th and 95th percentile of anomalies to avoid outlier washout, with a neutral zone of approximately ±0.1°C.

7. Data Quality Notes

Frequently Asked Questions

Is Topanga, California getting warmer?

Based on 96+ years of NOAA temperature records, Topanga has warmed at a rate of approximately 0.43°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 Topanga?

The warmest year on record in Topanga was 2015, based on average annual temperature anomaly from NOAA station data.

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

How are the climate visualizations for Topanga created?

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

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

Wear Topanga's Climate Story

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

Shop Topanga Climate Apparel →

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