Climate Change in Klamath, California

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

Based on our analysis of 96 years of temperature data near Klamath, 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 +4.0°F above the historical baseline.

Key Climate Facts

Rate of Change

+0.3°F

per decade

Warmest Year

2014

+4.0°F anomaly

Recent Warm Years

10 / 10

above-average years

Decade Shift

+2.4°F

2020s vs 1930s

Compared to the National Average

Klamath is warming 0.1°F/decade faster than the national average.

National: +0.20°F/decade
Klamath: +0.30°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 Klamath's long-term warming trend.

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

Temperature Trend

Annual temperature anomalies plotted over time with a linear regression trend line. The slope of +0.30°F per decade quantifies the rate of change.

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

Temperature by Decade

1930s
-0.04°F
1940s
-0.03°F
1950s
-0.30°F
1960s
-0.30°F
1970s
-0.49°F
1980s
+0.48°F
1990s
+1.21°F
2000s
+1.60°F
2010s
+1.98°F
2020s
+2.39°F

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

Anomaly Scale

-2.9°F Colder Normal +4.3°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 Klamath, CA. Filter by decade or download as CSV.

Data Sources & Audit

Station
nClimGrid 5km Grid Point
Distance
0.9 mi
Coverage
99.1%
Records
1,154
Range
1930-01 – 2026-02
Full Data Audit 1,154 records
YearMonthTempBaselineAnomalySourceGap
1930Jan37.0°F42.5°F-5.6°NCLIMGRID
1930Feb45.0°F45.1°F-0.2°NCLIMGRID
1930Mar49.6°F46.3°F+3.2°NCLIMGRID
1930Apr50.3°F48.6°F+1.8°NCLIMGRID
1930May49.8°F53.0°F-3.2°NCLIMGRID
1930Jun57.3°F57.8°F-0.5°NCLIMGRID
1930Jul62.1°F62.0°F+0.1°NCLIMGRID
1930Aug61.7°F62.4°F-0.7°NCLIMGRID
1930Sep58.8°F60.4°F-1.7°NCLIMGRID
1930Oct53.8°F54.4°F-0.5°NCLIMGRID
1930Nov46.8°F47.2°F-0.4°NCLIMGRID
1930Dec41.0°F42.6°F-1.6°NCLIMGRID
1931Jan42.9°F42.5°F+0.3°NCLIMGRID
1931Feb46.0°F45.1°F+0.8°NCLIMGRID
1931Mar47.8°F46.3°F+1.4°NCLIMGRID
1931Apr51.4°F48.6°F+2.9°NCLIMGRID
1931May57.5°F53.0°F+4.5°NCLIMGRID
1931Jun57.2°F57.8°F-0.6°NCLIMGRID
1931Jul63.9°F62.0°F+1.9°NCLIMGRID
1931Aug62.5°F62.4°F+0.2°NCLIMGRID
1931Sep58.6°F60.4°F-1.9°NCLIMGRID
1931Oct53.8°F54.4°F-0.6°NCLIMGRID
1931Nov44.3°F47.2°F-2.9°NCLIMGRID
1931Dec39.5°F42.6°F-3.1°NCLIMGRID
1932Jan38.4°F42.5°F-4.2°NCLIMGRID
1932Feb41.9°F45.1°F-3.2°NCLIMGRID
1932Mar47.6°F46.3°F+1.3°NCLIMGRID
1932Apr47.8°F48.6°F-0.7°NCLIMGRID
1932May52.8°F53.0°F-0.2°NCLIMGRID
1932Jun59.3°F57.8°F+1.5°NCLIMGRID
1932Jul60.2°F62.0°F-1.8°NCLIMGRID
1932Aug62.3°F62.4°F+0.0°NCLIMGRID
1932Sep62.3°F60.4°F+1.9°NCLIMGRID
1932Oct53.5°F54.4°F-0.9°NCLIMGRID
1932Nov48.6°F47.2°F+1.5°NCLIMGRID
1932Dec39.3°F42.6°F-3.4°NCLIMGRID
1933Jan38.9°F42.5°F-3.6°NCLIMGRID
1933Feb40.2°F45.1°F-5.0°NCLIMGRID
1933Mar44.7°F46.3°F-1.7°NCLIMGRID
1933Apr49.7°F48.6°F+1.1°NCLIMGRID
1933May48.8°F53.0°F-4.2°NCLIMGRID
1933Jun56.9°F57.8°F-0.9°NCLIMGRID
1933Jul62.4°F62.0°F+0.4°NCLIMGRID
1933Aug63.8°F62.4°F+1.5°NCLIMGRID
1933Sep57.6°F60.4°F-2.8°NCLIMGRID
1933Oct54.8°F54.4°F+0.4°NCLIMGRID
1933Nov48.6°F47.2°F+1.4°NCLIMGRID
1933Dec43.9°F42.6°F+1.3°NCLIMGRID
1934Jan46.4°F42.5°F+3.9°NCLIMGRID
1934Feb48.4°F45.1°F+3.2°NCLIMGRID
1934Mar52.8°F46.3°F+6.5°NCLIMGRID
1934Apr53.5°F48.6°F+5.0°NCLIMGRID
1934May55.7°F53.0°F+2.7°NCLIMGRID
1934Jun59.0°F57.8°F+1.2°NCLIMGRID
1934Jul61.5°F62.0°F-0.5°NCLIMGRID
1934Aug63.6°F62.4°F+1.3°NCLIMGRID
1934Sep60.7°F60.4°F+0.3°NCLIMGRID
1934Oct54.0°F54.4°F-0.4°NCLIMGRID
1934Nov48.1°F47.2°F+0.9°NCLIMGRID
1934Dec45.1°F42.6°F+2.5°NCLIMGRID
1935Jan39.4°F42.5°F-3.1°NCLIMGRID
1935Feb45.3°F45.1°F+0.1°NCLIMGRID
1935Mar42.8°F46.3°F-3.5°NCLIMGRID
1935Apr49.1°F48.6°F+0.6°NCLIMGRID
1935May53.6°F53.0°F+0.6°NCLIMGRID
1935Jun58.7°F57.8°F+0.9°NCLIMGRID
1935Jul60.3°F62.0°F-1.7°NCLIMGRID
1935Aug62.6°F62.4°F+0.2°NCLIMGRID
1935Sep60.4°F60.4°F+0.0°NCLIMGRID
1935Oct52.1°F54.4°F-2.3°NCLIMGRID
1935Nov43.8°F47.2°F-3.4°NCLIMGRID
1935Dec42.6°F42.6°F+0.0°NCLIMGRID
1936Jan43.6°F42.5°F+1.1°NCLIMGRID
1936Feb44.0°F45.1°F-1.2°NCLIMGRID
1936Mar46.1°F46.3°F-0.2°NCLIMGRID
1936Apr50.9°F48.6°F+2.3°NCLIMGRID
1936May55.7°F53.0°F+2.7°NCLIMGRID
1936Jun59.5°F57.8°F+1.7°NCLIMGRID
1936Jul62.9°F62.0°F+0.9°NCLIMGRID
1936Aug63.3°F62.4°F+1.0°NCLIMGRID
1936Sep60.5°F60.4°F+0.1°NCLIMGRID
1936Oct55.7°F54.4°F+1.4°NCLIMGRID
1936Nov44.6°F47.2°F-2.6°NCLIMGRID
1936Dec41.6°F42.6°F-1.1°NCLIMGRID
1937Jan33.1°F42.5°F-9.4°NCLIMGRID
1937Feb41.6°F45.1°F-3.6°NCLIMGRID
1937Mar45.5°F46.3°F-0.8°NCLIMGRID
1937Apr46.3°F48.6°F-2.2°NCLIMGRID
1937May54.0°F53.0°F+1.0°NCLIMGRID
1937Jun59.9°F57.8°F+2.1°NCLIMGRID
1937Jul63.8°F62.0°F+1.8°NCLIMGRID
1937Aug62.2°F62.4°F-0.1°NCLIMGRID
1937Sep61.2°F60.4°F+0.7°NCLIMGRID
1937Oct56.5°F54.4°F+2.2°NCLIMGRID
1937Nov48.5°F47.2°F+1.3°NCLIMGRID
1937Dec45.3°F42.6°F+2.7°NCLIMGRID
1938Jan42.7°F42.5°F+0.2°NCLIMGRID
1938Feb43.2°F45.1°F-2.0°NCLIMGRID
1938Mar44.3°F46.3°F-2.0°NCLIMGRID
1938Apr49.9°F48.6°F+1.4°NCLIMGRID
1938May53.9°F53.0°F+0.9°NCLIMGRID
1938Jun59.1°F57.8°F+1.3°NCLIMGRID
1938Jul63.8°F62.0°F+1.8°NCLIMGRID
1938Aug61.3°F62.4°F-1.1°NCLIMGRID
1938Sep61.7°F60.4°F+1.3°NCLIMGRID
1938Oct54.1°F54.4°F-0.3°NCLIMGRID
1938Nov43.7°F47.2°F-3.5°NCLIMGRID
1938Dec43.1°F42.6°F+0.5°NCLIMGRID
1939Jan41.0°F42.5°F-1.5°NCLIMGRID
1939Feb40.5°F45.1°F-4.7°NCLIMGRID
1939Mar47.2°F46.3°F+0.9°NCLIMGRID
1939Apr52.1°F48.6°F+3.5°NCLIMGRID
1939May55.0°F53.0°F+2.0°NCLIMGRID
1939Jun57.2°F57.8°F-0.6°NCLIMGRID
1939Jul62.9°F62.0°F+0.9°NCLIMGRID
1939Aug63.1°F62.4°F+0.8°NCLIMGRID
1939Sep61.6°F60.4°F+1.2°NCLIMGRID
1939Oct55.4°F54.4°F+1.0°NCLIMGRID
1939Nov46.9°F47.2°F-0.3°NCLIMGRID
1939Dec45.6°F42.6°F+3.0°NCLIMGRID
1940Jan44.3°F42.5°F+1.7°NCLIMGRID
1940Feb46.6°F45.1°F+1.4°NCLIMGRID
1940Mar48.8°F46.3°F+2.5°NCLIMGRID
1940Apr51.3°F48.6°F+2.8°NCLIMGRID
1940May56.4°F53.0°F+3.4°NCLIMGRID
1940Jun61.5°F57.8°F+3.7°NCLIMGRID
1940Jul63.0°F62.0°F+1.0°NCLIMGRID
1940Aug65.0°F62.4°F+2.7°NCLIMGRID
1940Sep61.1°F60.4°F+0.6°NCLIMGRID
1940Oct56.2°F54.4°F+1.8°NCLIMGRID
1940Nov45.5°F47.2°F-1.7°NCLIMGRID
1940Dec43.9°F42.6°F+1.3°NCLIMGRID
1941Jan43.3°F42.5°F+0.8°NCLIMGRID
1941Feb47.5°F45.1°F+2.4°NCLIMGRID
1941Mar49.8°F46.3°F+3.4°NCLIMGRID
1941Apr49.8°F48.6°F+1.3°NCLIMGRID
1941May55.2°F53.0°F+2.2°NCLIMGRID
1941Jun58.1°F57.8°F+0.3°NCLIMGRID
1941Jul64.2°F62.0°F+2.2°NCLIMGRID
1941Aug62.0°F62.4°F-0.3°NCLIMGRID
1941Sep58.4°F60.4°F-2.0°NCLIMGRID
1941Oct53.6°F54.4°F-0.8°NCLIMGRID
1941Nov49.3°F47.2°F+2.1°NCLIMGRID
1941Dec44.2°F42.6°F+1.6°NCLIMGRID
1942Jan42.3°F42.5°F-0.2°NCLIMGRID
1942Feb43.0°F45.1°F-2.1°NCLIMGRID
1942Mar45.4°F46.3°F-1.0°NCLIMGRID
1942Apr48.7°F48.6°F+0.2°NCLIMGRID
1942May52.0°F53.0°F-1.0°NCLIMGRID
1942Jun58.1°F57.8°F+0.3°NCLIMGRID
1942Jul64.3°F62.0°F+2.3°NCLIMGRID
1942Aug64.0°F62.4°F+1.6°NCLIMGRID
1942Sep60.1°F60.4°F-0.4°NCLIMGRID
1942Oct55.0°F54.4°F+0.6°NCLIMGRID
1942Nov46.5°F47.2°F-0.7°NCLIMGRID
1942Dec43.7°F42.6°F+1.1°NCLIMGRID
1943Jan40.6°F42.5°F-2.0°NCLIMGRID
1943Feb45.9°F45.1°F+0.7°NCLIMGRID
1943Mar47.9°F46.3°F+1.6°NCLIMGRID
1943Apr50.5°F48.6°F+2.0°NCLIMGRID
1943May53.1°F53.0°F+0.1°NCLIMGRID
1943Jun56.5°F57.8°F-1.3°NCLIMGRID
1943Jul61.6°F62.0°F-0.4°NCLIMGRID
1943Aug61.8°F62.4°F-0.6°NCLIMGRID
1943Sep63.4°F60.4°F+3.0°NCLIMGRID
1943Oct54.2°F54.4°F-0.2°NCLIMGRID
1943Nov48.7°F47.2°F+1.5°NCLIMGRID
1943Dec43.0°F42.6°F+0.3°NCLIMGRID
1944Jan41.8°F42.5°F-0.7°NCLIMGRID
1944Feb43.2°F45.1°F-2.0°NCLIMGRID
1944Mar45.7°F46.3°F-0.6°NCLIMGRID
1944Apr47.3°F48.6°F-1.2°NCLIMGRID
1944May53.1°F53.0°F+0.1°NCLIMGRID
1944Jun55.7°F57.8°F-2.1°NCLIMGRID
1944Jul61.4°F62.0°F-0.6°NCLIMGRID
1944Aug61.4°F62.4°F-0.9°NCLIMGRID
1944Sep60.4°F60.4°F+0.0°NCLIMGRID
1944Oct55.9°F54.4°F+1.5°NCLIMGRID
1944Nov46.1°F47.2°F-1.1°NCLIMGRID
1944Dec44.6°F42.6°F+2.0°NCLIMGRID
1945Jan43.8°F42.5°F+1.2°NCLIMGRID
1945Feb45.3°F45.1°F+0.2°NCLIMGRID
1945Mar44.0°F46.3°F-2.3°NCLIMGRID
1945Apr48.9°F48.6°F+0.3°NCLIMGRID
1945May53.3°F53.0°F+0.3°NCLIMGRID
1945Jun58.5°F57.8°F+0.7°NCLIMGRID
1945Jul63.9°F62.0°F+1.9°NCLIMGRID
1945Aug62.2°F62.4°F-0.1°NCLIMGRID
1945Sep60.4°F60.4°F+0.0°NCLIMGRID
1945Oct54.5°F54.4°F+0.1°NCLIMGRID
1945Nov46.2°F47.2°F-0.9°NCLIMGRID
1945Dec44.1°F42.6°F+1.5°NCLIMGRID
1946Jan40.6°F42.5°F-1.9°NCLIMGRID
1946Feb42.5°F45.1°F-2.7°NCLIMGRID
1946Mar45.2°F46.3°F-1.1°NCLIMGRID
1946Apr49.0°F48.6°F+0.5°NCLIMGRID
1946May53.7°F53.0°F+0.7°NCLIMGRID
1946Jun57.2°F57.8°F-0.6°NCLIMGRID
1946Jul62.1°F62.0°F+0.1°NCLIMGRID
1946Aug61.6°F62.4°F-0.8°NCLIMGRID
1946Sep58.7°F60.4°F-1.7°NCLIMGRID
1946Oct51.3°F54.4°F-3.0°NCLIMGRID
1946Nov44.8°F47.2°F-2.4°NCLIMGRID
1946Dec43.9°F42.6°F+1.3°NCLIMGRID
1947Jan38.9°F42.5°F-3.7°NCLIMGRID
1947Feb46.9°F45.1°F+1.8°NCLIMGRID
1947Mar48.6°F46.3°F+2.3°NCLIMGRID
1947Apr51.8°F48.6°F+3.2°NCLIMGRID
1947May56.1°F53.0°F+3.1°NCLIMGRID
1947Jun57.7°F57.8°F-0.2°NCLIMGRID
1947Jul61.5°F62.0°F-0.5°NCLIMGRID
1947Aug61.3°F62.4°F-1.1°NCLIMGRID
1947Sep60.7°F60.4°F+0.3°NCLIMGRID
1947Oct55.2°F54.4°F+0.8°NCLIMGRID
1947Nov46.0°F47.2°F-1.2°NCLIMGRID
1947Dec43.0°F42.6°F+0.3°NCLIMGRID
1948Jan42.5°F42.5°F+0.0°NCLIMGRID
1948Feb41.4°F45.1°F-3.8°NCLIMGRID
1948Mar43.7°F46.3°F-2.6°NCLIMGRID
1948Apr45.5°F48.6°F-3.1°NCLIMGRID
1948May51.7°F53.0°F-1.3°NCLIMGRID
1948Jun59.0°F57.8°F+1.2°NCLIMGRID
1948Jul61.0°F62.0°F-1.0°NCLIMGRID
1948Aug61.1°F62.4°F-1.2°NCLIMGRID
1948Sep59.1°F60.4°F-1.3°NCLIMGRID
1948Oct53.3°F54.4°F-1.0°NCLIMGRID
1948Nov44.6°F47.2°F-2.6°NCLIMGRID
1948Dec38.7°F42.6°F-3.9°NCLIMGRID
1949Jan34.8°F42.5°F-7.7°NCLIMGRID
1949Feb40.8°F45.1°F-4.4°NCLIMGRID
1949Mar45.9°F46.3°F-0.4°NCLIMGRID
1949Apr50.8°F48.6°F+2.2°NCLIMGRID
1949May54.6°F53.0°F+1.6°NCLIMGRID
1949Jun58.3°F57.8°F+0.5°NCLIMGRID
1949Jul60.2°F62.0°F-1.8°NCLIMGRID
1949Aug60.8°F62.4°F-1.5°NCLIMGRID
1949Sep60.7°F60.4°F+0.3°NCLIMGRID
1949Oct51.0°F54.4°F-3.3°NCLIMGRID
1949Nov50.3°F47.2°F+3.1°NCLIMGRID
1949Dec40.1°F42.6°F-2.6°NCLIMGRID
1950Jan36.2°F42.5°F-6.4°NCLIMGRID
1950Feb43.4°F45.1°F-1.8°NCLIMGRID
1950Mar44.7°F46.3°F-1.6°NCLIMGRID
1950Apr48.1°F48.6°F-0.5°NCLIMGRID
1950May51.5°F53.0°F-1.5°NCLIMGRID
1950Jun57.2°F57.8°F-0.6°NCLIMGRID
1950Jul62.1°F62.0°F+0.1°NCLIMGRID
1950Aug62.6°F62.4°F+0.3°NCLIMGRID
1950Sep59.3°F60.4°F-1.1°NCLIMGRID
1950Oct55.4°F54.4°F+1.0°NCLIMGRID
1950Nov50.1°F47.2°F+3.0°NCLIMGRID
1950Dec47.5°F42.6°F+4.8°NCLIMGRID
1951Jan41.4°F42.5°F-1.2°NCLIMGRID
1951Feb44.4°F45.1°F-0.8°NCLIMGRID
1951Mar43.4°F46.3°F-2.9°NCLIMGRID
1951Apr49.0°F48.6°F+0.4°NCLIMGRID
1951May53.5°F53.0°F+0.5°NCLIMGRID
1951Jun57.6°F57.8°F-0.3°NCLIMGRID
1951Jul61.1°F62.0°F-0.9°NCLIMGRID
1951Aug60.9°F62.4°F-1.4°NCLIMGRID
1951Sep59.9°F60.4°F-0.5°NCLIMGRID
1951Oct54.5°F54.4°F+0.1°NCLIMGRID
1951Nov47.7°F47.2°F+0.5°NCLIMGRID
1951Dec41.0°F42.6°F-1.6°NCLIMGRID
1952Jan38.8°F42.5°F-3.7°NCLIMGRID
1952Feb43.4°F45.1°F-1.7°NCLIMGRID
1952Mar42.7°F46.3°F-3.6°NCLIMGRID
1952Apr48.7°F48.6°F+0.1°NCLIMGRID
1952May53.2°F53.0°F+0.2°NCLIMGRID
1952Jun55.7°F57.8°F-2.1°NCLIMGRID
1952Jul62.2°F62.0°F+0.2°NCLIMGRID
1952Aug60.7°F62.4°F-1.7°NCLIMGRID
1952Sep60.2°F60.4°F-0.2°NCLIMGRID
1952Oct55.4°F54.4°F+1.0°NCLIMGRID
1952Nov44.9°F47.2°F-2.3°NCLIMGRID
1952Dec41.9°F42.6°F-0.7°NCLIMGRID
1953Jan45.8°F42.5°F+3.3°NCLIMGRID
1953Feb44.7°F45.1°F-0.4°NCLIMGRID
1953Mar44.5°F46.3°F-1.8°NCLIMGRID
1953Apr47.8°F48.6°F-0.7°NCLIMGRID
1953May51.3°F53.0°F-1.7°NCLIMGRID
1953Jun55.8°F57.8°F-2.0°NCLIMGRID
1953Jul61.3°F62.0°F-0.7°NCLIMGRID
1953Aug62.3°F62.4°F+0.0°NCLIMGRID
1953Sep62.5°F60.4°F+2.1°NCLIMGRID
1953Oct54.2°F54.4°F-0.1°NCLIMGRID
1953Nov49.2°F47.2°F+2.0°NCLIMGRID
1953Dec43.7°F42.6°F+1.1°NCLIMGRID
1954Jan41.9°F42.5°F-0.6°NCLIMGRID
1954Feb46.4°F45.1°F+1.3°NCLIMGRID
1954Mar45.3°F46.3°F-1.1°NCLIMGRID
1954Apr50.3°F48.6°F+1.7°NCLIMGRID
1954May53.3°F53.0°F+0.3°NCLIMGRID
1954Jun55.8°F57.8°F-2.0°NCLIMGRID
1954Jul60.4°F62.0°F-1.6°NCLIMGRID
1954Aug61.0°F62.4°F-1.3°NCLIMGRID
1954Sep59.8°F60.4°F-0.6°NCLIMGRID
1954Oct53.8°F54.4°F-0.6°NCLIMGRID
1954Nov49.1°F47.2°F+1.9°NCLIMGRID
1954Dec42.3°F42.6°F-0.4°NCLIMGRID
1955Jan39.9°F42.5°F-2.6°NCLIMGRID
1955Feb41.5°F45.1°F-3.7°NCLIMGRID
1955Mar44.4°F46.3°F-1.9°NCLIMGRID
1955Apr44.7°F48.6°F-3.9°NCLIMGRID
1955May51.8°F53.0°F-1.2°NCLIMGRID
1955Jun57.1°F57.8°F-0.8°NCLIMGRID
1955Jul59.8°F62.0°F-2.2°NCLIMGRID
1955Aug59.7°F62.4°F-2.6°NCLIMGRID
1955Sep58.9°F60.4°F-1.5°NCLIMGRID
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1984Apr47.8°F48.6°F-0.7°NCLIMGRID
1984May53.3°F53.0°F+0.3°NCLIMGRID
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1985Mar43.1°F46.3°F-3.2°NCLIMGRID
1985Apr50.1°F48.6°F+1.6°NCLIMGRID
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1985Jul63.5°F62.0°F+1.5°NCLIMGRID
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1986Aug63.2°F62.4°F+0.9°NCLIMGRID
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1986Nov48.4°F47.2°F+1.2°NCLIMGRID
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1987Jan43.2°F42.5°F+0.6°NCLIMGRID
1987Feb46.1°F45.1°F+0.9°NCLIMGRID
1987Mar47.6°F46.3°F+1.2°NCLIMGRID
1987Apr51.1°F48.6°F+2.6°NCLIMGRID
1987May55.8°F53.0°F+2.8°NCLIMGRID
1987Jun58.7°F57.8°F+0.9°NCLIMGRID
1987Jul61.3°F62.0°F-0.7°NCLIMGRID
1987Aug62.5°F62.4°F+0.2°NCLIMGRID
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1987Oct57.3°F54.4°F+2.9°NCLIMGRID
1987Nov49.5°F47.2°F+2.4°NCLIMGRID
1987Dec42.7°F42.6°F+0.0°NCLIMGRID
1988Jan43.4°F42.5°F+0.9°NCLIMGRID
1988Feb46.6°F45.1°F+1.5°NCLIMGRID
1988Mar46.8°F46.3°F+0.5°NCLIMGRID
1988Apr50.0°F48.6°F+1.4°NCLIMGRID
1988May53.0°F53.0°F+0.0°NCLIMGRID
1988Jun58.3°F57.8°F+0.5°NCLIMGRID
1988Jul63.8°F62.0°F+1.8°NCLIMGRID
1988Aug62.5°F62.4°F+0.1°NCLIMGRID
1988Sep60.4°F60.4°F-0.1°NCLIMGRID
1988Oct59.1°F54.4°F+4.7°NCLIMGRID
1988Nov48.3°F47.2°F+1.1°NCLIMGRID
1988Dec42.9°F42.6°F+0.2°NCLIMGRID
1989Jan41.7°F42.5°F-0.9°NCLIMGRID
1989Feb40.0°F45.1°F-5.2°NCLIMGRID
1989Mar47.4°F46.3°F+1.1°NCLIMGRID
1989Apr53.4°F48.6°F+4.8°NCLIMGRID
1989May54.2°F53.0°F+1.2°NCLIMGRID
1989Jun59.2°F57.8°F+1.4°NCLIMGRID
1989Jul61.9°F62.0°F-0.1°NCLIMGRID
1989Aug63.3°F62.4°F+0.9°NCLIMGRID
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1989Oct53.7°F54.4°F-0.7°NCLIMGRID
1989Nov49.0°F47.2°F+1.8°NCLIMGRID
1989Dec44.6°F42.6°F+2.0°NCLIMGRID
1990Jan43.4°F42.5°F+0.9°NCLIMGRID
1990Feb41.8°F45.1°F-3.4°NCLIMGRID
1990Mar47.8°F46.3°F+1.5°NCLIMGRID
1990Apr52.2°F48.6°F+3.7°NCLIMGRID
1990May53.4°F53.0°F+0.4°NCLIMGRID
1990Jun58.8°F57.8°F+1.0°NCLIMGRID
1990Jul64.6°F62.0°F+2.6°NCLIMGRID
1990Aug64.2°F62.4°F+1.8°NCLIMGRID
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1990Oct54.0°F54.4°F-0.4°NCLIMGRID
1990Nov45.9°F47.2°F-1.2°NCLIMGRID
1990Dec37.2°F42.6°F-5.4°NCLIMGRID
1991Jan42.4°F42.5°F-0.2°NCLIMGRID
1991Feb49.2°F45.1°F+4.0°NCLIMGRID
1991Mar44.9°F46.3°F-1.4°NCLIMGRID
1991Apr48.6°F48.6°F+0.0°NCLIMGRID
1991May51.7°F53.0°F-1.3°NCLIMGRID
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1991Nov48.7°F47.2°F+1.5°NCLIMGRID
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1992Apr53.9°F48.6°F+5.3°NCLIMGRID
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1994Apr50.9°F48.6°F+2.3°NCLIMGRID
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1995Apr49.1°F48.6°F+0.5°NCLIMGRID
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1995Jul63.8°F62.0°F+1.8°NCLIMGRID
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1995Nov51.3°F47.2°F+4.1°NCLIMGRID
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1997Feb45.6°F45.1°F+0.4°NCLIMGRID
1997Mar48.1°F46.3°F+1.7°NCLIMGRID
1997Apr50.8°F48.6°F+2.2°NCLIMGRID
1997May57.8°F53.0°F+4.8°NCLIMGRID
1997Jun59.7°F57.8°F+1.9°NCLIMGRID
1997Jul64.2°F62.0°F+2.2°NCLIMGRID
1997Aug65.1°F62.4°F+2.8°NCLIMGRID
1997Sep64.8°F60.4°F+4.3°NCLIMGRID
1997Oct55.2°F54.4°F+0.8°NCLIMGRID
1997Nov50.6°F47.2°F+3.4°NCLIMGRID
1997Dec43.3°F42.6°F+0.7°NCLIMGRID
1998Jan46.9°F42.5°F+4.3°NCLIMGRID
1998Feb46.2°F45.1°F+1.1°NCLIMGRID
1998Mar48.3°F46.3°F+2.0°NCLIMGRID
1998Apr49.0°F48.6°F+0.5°NCLIMGRID
1998May53.2°F53.0°F+0.2°NCLIMGRID
1998Jun59.1°F57.8°F+1.3°NCLIMGRID
1998Jul63.7°F62.0°F+1.7°NCLIMGRID
1998Aug63.7°F62.4°F+1.3°NCLIMGRID
1998Sep62.5°F60.4°F+2.1°NCLIMGRID
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1998Nov47.6°F47.2°F+0.4°NCLIMGRID
1998Dec40.6°F42.6°F-2.0°NCLIMGRID
1999Jan43.5°F42.5°F+1.0°NCLIMGRID
1999Feb43.6°F45.1°F-1.5°NCLIMGRID
1999Mar44.9°F46.3°F-1.5°NCLIMGRID
1999Apr48.7°F48.6°F+0.2°NCLIMGRID
1999May51.8°F53.0°F-1.2°NCLIMGRID
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1999Jul62.0°F62.0°F+0.0°NCLIMGRID
1999Aug65.2°F62.4°F+2.8°NCLIMGRID
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1999Nov51.4°F47.2°F+4.3°NCLIMGRID
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2000Jan44.2°F42.5°F+1.7°NCLIMGRID
2000Feb48.4°F45.1°F+3.3°NCLIMGRID
2000Mar46.9°F46.3°F+0.6°NCLIMGRID
2000Apr52.6°F48.6°F+4.1°NCLIMGRID
2000May55.3°F53.0°F+2.3°NCLIMGRID
2000Jun60.6°F57.8°F+2.8°NCLIMGRID
2000Jul63.6°F62.0°F+1.6°NCLIMGRID
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2000Sep63.4°F60.4°F+3.0°NCLIMGRID
2000Oct54.4°F54.4°F+0.1°NCLIMGRID
2000Nov45.7°F47.2°F-1.5°NCLIMGRID
2000Dec45.9°F42.6°F+3.2°NCLIMGRID
2001Jan44.2°F42.5°F+1.7°NCLIMGRID
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2001Apr48.4°F48.6°F-0.2°NCLIMGRID
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2002Jan43.6°F42.5°F+1.1°NCLIMGRID
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2002Mar46.0°F46.3°F-0.4°NCLIMGRID
2002Apr51.0°F48.6°F+2.5°NCLIMGRID
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2002Nov50.4°F47.2°F+3.2°NCLIMGRID
2002Dec47.0°F42.6°F+4.3°NCLIMGRID
2003Jan50.1°F42.5°F+7.6°NCLIMGRID
2003Feb45.9°F45.1°F+0.8°NCLIMGRID
2003Mar49.3°F46.3°F+3.0°NCLIMGRID
2003Apr50.0°F48.6°F+1.4°NCLIMGRID
2003May54.4°F53.0°F+1.4°NCLIMGRID
2003Jun60.4°F57.8°F+2.6°NCLIMGRID
2003Jul64.7°F62.0°F+2.7°NCLIMGRID
2003Aug65.2°F62.4°F+2.8°NCLIMGRID
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2003Nov46.4°F47.2°F-0.8°NCLIMGRID
2003Dec45.8°F42.6°F+3.2°NCLIMGRID
2004Jan45.4°F42.5°F+2.8°NCLIMGRID
2004Feb46.6°F45.1°F+1.5°NCLIMGRID
2004Mar50.9°F46.3°F+4.5°NCLIMGRID
2004Apr53.7°F48.6°F+5.2°NCLIMGRID
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2004Jul65.6°F62.0°F+3.6°NCLIMGRID
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2004Nov47.0°F47.2°F-0.2°NCLIMGRID
2004Dec45.4°F42.6°F+2.7°NCLIMGRID
2005Jan44.9°F42.5°F+2.4°NCLIMGRID
2005Feb47.7°F45.1°F+2.5°NCLIMGRID
2005Mar50.9°F46.3°F+4.6°NCLIMGRID
2005Apr50.4°F48.6°F+1.9°NCLIMGRID
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2005Jul66.1°F62.0°F+4.1°NCLIMGRID
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2005Sep59.6°F60.4°F-0.9°NCLIMGRID
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2005Nov47.7°F47.2°F+0.6°NCLIMGRID
2005Dec45.5°F42.6°F+2.9°NCLIMGRID
2006Jan45.8°F42.5°F+3.2°NCLIMGRID
2006Feb45.7°F45.1°F+0.6°NCLIMGRID
2006Mar44.9°F46.3°F-1.4°NCLIMGRID
2006Apr50.5°F48.6°F+1.9°NCLIMGRID
2006May55.6°F53.0°F+2.6°NCLIMGRID
2006Jun61.3°F57.8°F+3.5°NCLIMGRID
2006Jul65.0°F62.0°F+3.0°NCLIMGRID
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2006Sep60.2°F60.4°F-0.3°NCLIMGRID
2006Oct53.7°F54.4°F-0.7°NCLIMGRID
2006Nov48.1°F47.2°F+1.0°NCLIMGRID
2006Dec44.8°F42.6°F+2.2°NCLIMGRID
2007Jan40.3°F42.5°F-2.3°NCLIMGRID
2007Feb45.5°F45.1°F+0.3°NCLIMGRID
2007Mar49.6°F46.3°F+3.3°NCLIMGRID
2007Apr50.3°F48.6°F+1.8°NCLIMGRID
2007May54.9°F53.0°F+1.9°NCLIMGRID
2007Jun58.4°F57.8°F+0.6°NCLIMGRID
2007Jul64.9°F62.0°F+2.9°NCLIMGRID
2007Aug63.6°F62.4°F+1.2°NCLIMGRID
2007Sep60.3°F60.4°F-0.2°NCLIMGRID
2007Oct53.7°F54.4°F-0.7°NCLIMGRID
2007Nov48.3°F47.2°F+1.2°NCLIMGRID
2007Dec41.9°F42.6°F-0.8°NCLIMGRID
2008Jan41.1°F42.5°F-1.5°NCLIMGRID
2008Feb44.4°F45.1°F-0.7°NCLIMGRID
2008Mar45.1°F46.3°F-1.2°NCLIMGRID
2008Apr47.6°F48.6°F-1.0°NCLIMGRID
2008May54.4°F53.0°F+1.4°NCLIMGRID
2008Jun57.5°F57.8°F-0.3°NCLIMGRID
2008Jul62.6°F62.0°F+0.6°NCLIMGRID
2008Aug63.7°F62.4°F+1.3°NCLIMGRID
2008Sep64.0°F60.4°F+3.6°NCLIMGRID
2008Oct54.8°F54.4°F+0.4°NCLIMGRID
2008Nov51.1°F47.2°F+3.9°NCLIMGRID
2008Dec41.4°F42.6°F-1.3°NCLIMGRID
2009Jan45.9°F42.5°F+3.3°NCLIMGRID
2009Feb44.7°F45.1°F-0.5°NCLIMGRID
2009Mar46.2°F46.3°F-0.1°NCLIMGRID
2009Apr49.9°F48.6°F+1.3°NCLIMGRID
2009May56.4°F53.0°F+3.4°NCLIMGRID
2009Jun61.4°F57.8°F+3.6°NCLIMGRID
2009Jul64.1°F62.0°F+2.1°NCLIMGRID
2009Aug64.5°F62.4°F+2.2°NCLIMGRID
2009Sep63.5°F60.4°F+3.1°NCLIMGRID
2009Oct54.7°F54.4°F+0.4°NCLIMGRID
2009Nov47.5°F47.2°F+0.3°NCLIMGRID
2009Dec42.3°F42.6°F-0.4°NCLIMGRID
2010Jan47.4°F42.5°F+4.8°NCLIMGRID
2010Feb48.8°F45.1°F+3.6°NCLIMGRID
2010Mar46.7°F46.3°F+0.4°NCLIMGRID
2010Apr48.3°F48.6°F-0.2°NCLIMGRID
2010May51.0°F53.0°F-2.0°NCLIMGRID
2010Jun58.6°F57.8°F+0.8°NCLIMGRID
2010Jul63.1°F62.0°F+1.1°NCLIMGRID
2010Aug62.9°F62.4°F+0.5°NCLIMGRID
2010Sep62.3°F60.4°F+1.8°NCLIMGRID
2010Oct55.7°F54.4°F+1.3°NCLIMGRID
2010Nov46.7°F47.2°F-0.5°NCLIMGRID
2010Dec47.1°F42.6°F+4.5°NCLIMGRID
2011Jan46.0°F42.5°F+3.4°NCLIMGRID
2011Feb44.7°F45.1°F-0.4°NCLIMGRID
2011Mar47.6°F46.3°F+1.3°NCLIMGRID
2011Apr48.2°F48.6°F-0.4°NCLIMGRID
2011May51.8°F53.0°F-1.2°NCLIMGRID
2011Jun58.0°F57.8°F+0.2°NCLIMGRID
2011Jul62.5°F62.0°F+0.5°NCLIMGRID
2011Aug64.2°F62.4°F+1.8°NCLIMGRID
2011Sep62.3°F60.4°F+1.9°NCLIMGRID
2011Oct55.6°F54.4°F+1.3°NCLIMGRID
2011Nov46.8°F47.2°F-0.4°NCLIMGRID
2011Dec42.1°F42.6°F-0.5°NCLIMGRID
2012Jan44.9°F42.5°F+2.4°NCLIMGRID
2012Feb44.5°F45.1°F-0.7°NCLIMGRID
2012Mar44.6°F46.3°F-1.7°NCLIMGRID
2012Apr50.2°F48.6°F+1.6°NCLIMGRID
2012May53.9°F53.0°F+0.9°NCLIMGRID
2012Jun56.8°F57.8°F-1.0°NCLIMGRID
2012Jul62.2°F62.0°F+0.2°NCLIMGRID
2012Aug65.5°F62.4°F+3.1°NCLIMGRID
2012Sep63.6°F60.4°F+3.2°NCLIMGRID
2012Oct55.5°F54.4°F+1.1°NCLIMGRID
2012Nov50.0°F47.2°F+2.8°NCLIMGRID
2012Dec41.9°F42.6°F-0.8°NCLIMGRID
2013Jan43.0°F42.5°F+0.5°NCLIMGRID
2013Feb45.4°F45.1°F+0.2°NCLIMGRID
2013Mar49.8°F46.3°F+3.5°NCLIMGRID
2013Apr53.5°F48.6°F+4.9°NCLIMGRID
2013May56.1°F53.0°F+3.1°NCLIMGRID
2013Jun61.7°F57.8°F+3.9°NCLIMGRID
2013Jul68.4°F62.0°F+6.4°NCLIMGRID
2013Aug63.1°F62.4°F+0.8°NCLIMGRID
2013Sep58.9°F60.4°F-1.5°NCLIMGRID
2013Oct53.7°F54.4°F-0.7°NCLIMGRID
2013Nov49.7°F47.2°F+2.5°NCLIMGRID
2013Dec43.1°F42.6°F+0.4°NCLIMGRID
2014Jan47.4°F42.5°F+4.9°NCLIMGRID
2014Feb47.4°F45.1°F+2.3°NCLIMGRID
2014Mar50.1°F46.3°F+3.8°NCLIMGRID
2014Apr53.1°F48.6°F+4.5°NCLIMGRID
2014May57.0°F53.0°F+4.0°NCLIMGRID
2014Jun60.9°F57.8°F+3.0°NCLIMGRID
2014Jul67.7°F62.0°F+5.7°NCLIMGRID
2014Aug66.4°F62.4°F+4.1°NCLIMGRID
2014Sep63.9°F60.4°F+3.5°NCLIMGRID
2014Oct57.9°F54.4°F+3.5°NCLIMGRID
2014Nov51.3°F47.2°F+4.1°NCLIMGRID
2014Dec47.6°F42.6°F+5.0°NCLIMGRID
2015Jan49.7°F42.5°F+7.2°NCLIMGRID
2015Feb51.3°F45.1°F+6.2°NCLIMGRID
2015Mar53.5°F46.3°F+7.2°NCLIMGRID
2015Apr51.9°F48.6°F+3.3°NCLIMGRID
2015May56.8°F53.0°F+3.8°NCLIMGRID
2015Jun66.7°F57.8°F+8.8°NCLIMGRID
2015Jul66.0°F62.0°F+4.0°NCLIMGRID
2015Aug63.2°F62.4°F+0.9°NCLIMGRID
2015Sep60.2°F60.4°F-0.3°NCLIMGRID
2015Oct59.8°F54.4°F+5.5°NCLIMGRID
2015Nov46.8°F47.2°F-0.3°NCLIMGRID
2015Dec42.7°F42.6°F+0.1°NCLIMGRID
2016Jan44.1°F42.5°F+1.6°NCLIMGRID
2016Feb49.0°F45.1°F+3.9°NCLIMGRID
2016Mar48.6°F46.3°F+2.3°NCLIMGRID
2016Apr54.9°F48.6°F+6.4°NCLIMGRID
2016May57.8°F53.0°F+4.8°NCLIMGRID
2016Jun61.5°F57.8°F+3.7°NCLIMGRID
2016Jul63.2°F62.0°F+1.2°NCLIMGRID
2016Aug66.2°F62.4°F+3.8°NCLIMGRID
2016Sep60.6°F60.4°F+0.2°NCLIMGRID
2016Oct51.7°F54.4°F-2.6°NCLIMGRID
2016Nov50.0°F47.2°F+2.9°NCLIMGRID
2016Dec40.6°F42.6°F-2.1°NCLIMGRID
2017Jan40.5°F42.5°F-2.1°NCLIMGRID
2017Feb44.0°F45.1°F-1.1°NCLIMGRID
2017Mar48.2°F46.3°F+1.8°NCLIMGRID
2017Apr48.1°F48.6°F-0.4°NCLIMGRID
2017May56.6°F53.0°F+3.6°NCLIMGRID
2017Jun60.4°F57.8°F+2.6°NCLIMGRID
2017Jul65.7°F62.0°F+3.7°NCLIMGRID
2017Aug68.2°F62.4°F+5.9°NCLIMGRID
2017Sep60.6°F60.4°F+0.2°NCLIMGRID
2017Oct55.1°F54.4°F+0.8°NCLIMGRID
2017Nov47.4°F47.2°F+0.2°NCLIMGRID
2017Dec46.0°F42.6°F+3.4°NCLIMGRID
2018Jan46.8°F42.5°F+4.3°NCLIMGRID
2018Feb44.6°F45.1°F-0.5°NCLIMGRID
2018Mar47.0°F46.3°F+0.6°NCLIMGRID
2018Apr50.8°F48.6°F+2.3°NCLIMGRID
2018May56.8°F53.0°F+3.8°NCLIMGRID
2018Jun59.9°F57.8°F+2.0°NCLIMGRID
2018Jul66.6°F62.0°F+4.6°NCLIMGRID
2018Aug63.5°F62.4°F+1.2°NCLIMGRID
2018Sep59.7°F60.4°F-0.7°NCLIMGRID
2018Oct56.4°F54.4°F+2.0°NCLIMGRID
2018Nov50.9°F47.2°F+3.7°NCLIMGRID
2018Dec43.6°F42.6°F+1.0°NCLIMGRID
2019Jan46.7°F42.5°F+4.1°NCLIMGRID
2019Feb38.7°F45.1°F-6.5°NCLIMGRID
2019Mar47.4°F46.3°F+1.0°NCLIMGRID
2019Apr53.5°F48.6°F+5.0°NCLIMGRID
2019May55.5°F53.0°F+2.5°NCLIMGRID
2019Jun62.0°F57.8°F+4.2°NCLIMGRID
2019Jul62.1°F62.0°F+0.1°NCLIMGRID
2019Aug65.1°F62.4°F+2.8°NCLIMGRID
2019Sep57.4°F60.4°F-3.0°NCLIMGRID
2019Oct52.4°F54.4°F-2.0°NCLIMGRID
2019Nov51.7°F47.2°F+4.6°NCLIMGRID
2019Dec44.7°F42.6°F+2.1°NCLIMGRID
2020Jan44.0°F42.5°F+1.4°NCLIMGRID
2020Feb47.2°F45.1°F+2.1°NCLIMGRID
2020Mar46.3°F46.3°F+0.0°NCLIMGRID
2020Apr53.7°F48.6°F+5.2°NCLIMGRID
2020May55.0°F53.0°F+2.0°NCLIMGRID
2020Jun59.5°F57.8°F+1.7°NCLIMGRID
2020Jul64.5°F62.0°F+2.5°NCLIMGRID
2020Aug66.3°F62.4°F+3.9°NCLIMGRID
2020Sep63.8°F60.4°F+3.4°NCLIMGRID
2020Oct59.8°F54.4°F+5.4°NCLIMGRID
2020Nov47.9°F47.2°F+0.7°NCLIMGRID
2020Dec44.9°F42.6°F+2.2°NCLIMGRID
2021Jan45.1°F42.5°F+2.5°NCLIMGRID
2021Feb44.3°F45.1°F-0.8°NCLIMGRID
2021Mar45.9°F46.3°F-0.4°NCLIMGRID
2021Apr54.2°F48.6°F+5.7°NCLIMGRID
2021May56.9°F53.0°F+3.9°NCLIMGRID
2021Jun63.5°F57.8°F+5.7°NCLIMGRID
2021Jul68.3°F62.0°F+6.3°NCLIMGRID
2021Aug65.2°F62.4°F+2.9°NCLIMGRID
2021Sep61.2°F60.4°F+0.8°NCLIMGRID
2021Oct52.9°F54.4°F-1.4°NCLIMGRID
2021Nov50.2°F47.2°F+3.0°NCLIMGRID
2021Dec42.7°F42.6°F+0.1°NCLIMGRID
2022Jan46.8°F42.5°F+4.3°NCLIMGRID
2022Feb47.2°F45.1°F+2.0°NCLIMGRID
2022Mar48.8°F46.3°F+2.4°NCLIMGRID
2022Apr48.1°F48.6°F-0.4°NCLIMGRID
2022May53.2°F53.0°F+0.2°NCLIMGRID
2022Jun60.1°F57.8°F+2.2°NCLIMGRID
2022Jul65.9°F62.0°F+3.9°NCLIMGRID
2022Aug67.1°F62.4°F+4.8°NCLIMGRID
2022Sep63.8°F60.4°F+3.4°NCLIMGRID
2022Oct58.4°F54.4°F+4.0°NCLIMGRID
2022Nov45.5°F47.2°F-1.7°NCLIMGRID
2022Dec43.7°F42.6°F+1.0°NCLIMGRID
2023Jan44.2°F42.5°F+1.6°NCLIMGRID
2023Feb42.5°F45.1°F-2.6°NCLIMGRID
2023Mar40.6°F46.3°F-5.7°NCLIMGRID
2023Apr49.3°F48.6°F+0.7°NCLIMGRID
2023May56.6°F53.0°F+3.6°NCLIMGRID
2023Jun60.8°F57.8°F+2.9°NCLIMGRID
2023Jul65.4°F62.0°F+3.4°NCLIMGRID
2023Aug66.5°F62.4°F+4.1°NCLIMGRID
2023Sep59.6°F60.4°F-0.8°NCLIMGRID
2023Oct55.7°F54.4°F+1.3°NCLIMGRID
2023Nov49.3°F47.2°F+2.1°NCLIMGRID
2023Dec47.3°F42.6°F+4.6°NCLIMGRID
2024Jan46.9°F42.5°F+4.4°NCLIMGRID
2024Feb45.9°F45.1°F+0.7°NCLIMGRID
2024Mar46.2°F46.3°F-0.1°NCLIMGRID
2024Apr50.5°F48.6°F+2.0°NCLIMGRID
2024May55.5°F53.0°F+2.5°NCLIMGRID
2024Jun61.1°F57.8°F+3.3°NCLIMGRID
2024Jul69.6°F62.0°F+7.6°NCLIMGRID
2024Aug63.1°F62.4°F+0.8°NCLIMGRID
2024Sep62.8°F60.4°F+2.3°NCLIMGRID
2024Oct56.8°F54.4°F+2.5°NCLIMGRID
2024Nov46.2°F47.2°F-1.0°NCLIMGRID
2024Dec46.6°F42.6°F+3.9°NCLIMGRID
2025Jan46.1°F42.5°F+3.6°NCLIMGRID
2025Feb43.5°F45.1°F-1.6°NCLIMGRID
2025Mar47.1°F46.3°F+0.8°NCLIMGRID
2025Apr53.8°F48.6°F+5.2°NCLIMGRID
2025May56.2°F53.0°F+3.2°NCLIMGRID
2025Jun63.2°F57.8°F+5.4°NCLIMGRID
2025Jul66.3°F62.0°F+4.3°NCLIMGRID
2025Aug66.9°F62.4°F+4.5°NCLIMGRID
2025Sep64.2°F60.4°F+3.8°NCLIMGRID
2025Oct53.5°F54.4°F-0.9°NCLIMGRID
2025Nov51.9°F47.2°F+4.8°NCLIMGRID
2025Dec48.3°F42.6°F+5.7°NCLIMGRID
2026Jan48.7°F42.5°F+6.1°NCLIMGRID
2026Feb48.3°F45.1°F+3.1°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
January42.5°F26/26
February45.1°F26/26
March46.3°F26/26
April48.6°F26/26
May53.0°F26/26
June57.8°F26/26
July62.0°F26/26
August62.4°F26/26
September60.4°F26/26
October54.4°F26/26
November47.2°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 Klamath, California getting warmer?

Based on 96+ years of NOAA temperature records, Klamath has warmed at a rate of approximately 0.30°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 Klamath?

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

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

How are the climate visualizations for Klamath created?

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

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

Wear Klamath's Climate Story

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Shop Klamath Climate Apparel →

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