Climate Change in Port Leyden, New York

96+ years of recorded temperature data show Port Leyden is warming.

Based on our analysis of 96 years of temperature data near Port Leyden, NY, this area shows a warming trend of approximately +0.3°F per decade. 10 of the last 10 years recorded above-average temperatures, and 2024 was the warmest year on record at +4.8°F above the historical baseline.

Key Climate Facts

Rate of Change

+0.3°F

per decade

Warmest Year

2024

+4.8°F anomaly

Recent Warm Years

10 / 10

above-average years

Decade Shift

+2.9°F

2020s vs 1930s

Compared to the National Average

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

National: +0.20°F/decade
Port Leyden: +0.28°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 Port Leyden's long-term warming trend.

Temperature anomaly spiral for Port Leyden, New York
Climate spiral: monthly temperature anomalies from 96+ years of NOAA records for Port Leyden, NY.

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 Port Leyden, New York
Warming stripes: each stripe is one year of average temperature anomaly for Port Leyden, NY.

Temperature Trend

Annual temperature anomalies plotted over time with a linear regression trend line. The slope of +0.28°F per decade quantifies the rate of change.

Temperature trend chart for Port Leyden, New York
Linear trend: annual temperature anomalies with trend line for Port Leyden, NY.

Temperature by Decade

1930s
+0.30°F
1940s
+0.08°F
1950s
+0.32°F
1960s
-0.41°F
1970s
-0.48°F
1980s
+0.23°F
1990s
+1.04°F
2000s
+1.43°F
2010s
+2.02°F
2020s
+3.14°F

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

Anomaly Scale

-5.2°F Colder Normal +6.7°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 Port Leyden, NY. 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
1930Jan17.4°F14.2°F+3.2°NCLIMGRID
1930Feb20.2°F16.9°F+3.3°NCLIMGRID
1930Mar25.6°F27.4°F-1.8°NCLIMGRID
1930Apr37.7°F40.4°F-2.7°NCLIMGRID
1930May54.1°F52.3°F+1.8°NCLIMGRID
1930Jun64.3°F61.0°F+3.3°NCLIMGRID
1930Jul64.6°F65.9°F-1.3°NCLIMGRID
1930Aug62.4°F63.8°F-1.5°NCLIMGRID
1930Sep58.7°F55.8°F+2.9°NCLIMGRID
1930Oct44.3°F44.8°F-0.5°NCLIMGRID
1930Nov35.9°F33.8°F+2.1°NCLIMGRID
1930Dec21.4°F20.7°F+0.7°NCLIMGRID
1931Jan15.3°F14.2°F+1.0°NCLIMGRID
1931Feb16.8°F16.9°F-0.1°NCLIMGRID
1931Mar29.0°F27.4°F+1.6°NCLIMGRID
1931Apr42.1°F40.4°F+1.6°NCLIMGRID
1931May53.5°F52.3°F+1.2°NCLIMGRID
1931Jun61.3°F61.0°F+0.3°NCLIMGRID
1931Jul68.7°F65.9°F+2.8°NCLIMGRID
1931Aug64.0°F63.8°F+0.1°NCLIMGRID
1931Sep60.9°F55.8°F+5.1°NCLIMGRID
1931Oct47.9°F44.8°F+3.0°NCLIMGRID
1931Nov40.1°F33.8°F+6.3°NCLIMGRID
1931Dec23.8°F20.7°F+3.1°NCLIMGRID
1932Jan27.7°F14.2°F+13.5°NCLIMGRID
1932Feb19.5°F16.9°F+2.7°NCLIMGRID
1932Mar22.0°F27.4°F-5.4°NCLIMGRID
1932Apr36.3°F40.4°F-4.2°NCLIMGRID
1932May53.3°F52.3°F+1.0°NCLIMGRID
1932Jun60.7°F61.0°F-0.4°NCLIMGRID
1932Jul62.3°F65.9°F-3.6°NCLIMGRID
1932Aug64.1°F63.8°F+0.3°NCLIMGRID
1932Sep55.7°F55.8°F-0.1°NCLIMGRID
1932Oct47.3°F44.8°F+2.4°NCLIMGRID
1932Nov30.0°F33.8°F-3.7°NCLIMGRID
1932Dec24.9°F20.7°F+4.2°NCLIMGRID
1933Jan26.0°F14.2°F+11.7°NCLIMGRID
1933Feb20.0°F16.9°F+3.1°NCLIMGRID
1933Mar25.1°F27.4°F-2.4°NCLIMGRID
1933Apr41.3°F40.4°F+0.9°NCLIMGRID
1933May55.1°F52.3°F+2.8°NCLIMGRID
1933Jun64.2°F61.0°F+3.1°NCLIMGRID
1933Jul68.6°F65.9°F+2.7°NCLIMGRID
1933Aug64.2°F63.8°F+0.4°NCLIMGRID
1933Sep58.7°F55.8°F+3.0°NCLIMGRID
1933Oct42.6°F44.8°F-2.2°NCLIMGRID
1933Nov24.5°F33.8°F-9.2°NCLIMGRID
1933Dec16.6°F20.7°F-4.1°NCLIMGRID
1934Jan17.6°F14.2°F+3.3°NCLIMGRID
1934Feb3.1°F16.9°F-13.8°NCLIMGRID
1934Mar24.2°F27.4°F-3.2°NCLIMGRID
1934Apr40.6°F40.4°F+0.1°NCLIMGRID
1934May54.1°F52.3°F+1.8°NCLIMGRID
1934Jun64.3°F61.0°F+3.3°NCLIMGRID
1934Jul67.6°F65.9°F+1.7°NCLIMGRID
1934Aug60.2°F63.8°F-3.6°NCLIMGRID
1934Sep60.6°F55.8°F+4.8°NCLIMGRID
1934Oct40.9°F44.8°F-3.9°NCLIMGRID
1934Nov36.0°F33.8°F+2.2°NCLIMGRID
1934Dec14.9°F20.7°F-5.9°NCLIMGRID
1935Jan10.8°F14.2°F-3.5°NCLIMGRID
1935Feb14.5°F16.9°F-2.4°NCLIMGRID
1935Mar27.8°F27.4°F+0.4°NCLIMGRID
1935Apr39.4°F40.4°F-1.0°NCLIMGRID
1935May47.4°F52.3°F-4.9°NCLIMGRID
1935Jun60.9°F61.0°F-0.1°NCLIMGRID
1935Jul69.4°F65.9°F+3.5°NCLIMGRID
1935Aug65.0°F63.8°F+1.1°NCLIMGRID
1935Sep53.4°F55.8°F-2.4°NCLIMGRID
1935Oct44.3°F44.8°F-0.5°NCLIMGRID
1935Nov35.2°F33.8°F+1.4°NCLIMGRID
1935Dec14.0°F20.7°F-6.8°NCLIMGRID
1936Jan13.1°F14.2°F-1.2°NCLIMGRID
1936Feb9.4°F16.9°F-7.5°NCLIMGRID
1936Mar33.2°F27.4°F+5.8°NCLIMGRID
1936Apr37.7°F40.4°F-2.8°NCLIMGRID
1936May55.9°F52.3°F+3.6°NCLIMGRID
1936Jun61.8°F61.0°F+0.7°NCLIMGRID
1936Jul65.6°F65.9°F-0.3°NCLIMGRID
1936Aug63.5°F63.8°F-0.4°NCLIMGRID
1936Sep57.6°F55.8°F+1.8°NCLIMGRID
1936Oct45.1°F44.8°F+0.2°NCLIMGRID
1936Nov27.6°F33.8°F-6.1°NCLIMGRID
1936Dec23.1°F20.7°F+2.4°NCLIMGRID
1937Jan25.0°F14.2°F+10.8°NCLIMGRID
1937Feb21.1°F16.9°F+4.2°NCLIMGRID
1937Mar19.7°F27.4°F-7.7°NCLIMGRID
1937Apr38.6°F40.4°F-1.9°NCLIMGRID
1937May54.2°F52.3°F+2.0°NCLIMGRID
1937Jun62.5°F61.0°F+1.4°NCLIMGRID
1937Jul67.8°F65.9°F+1.9°NCLIMGRID
1937Aug68.6°F63.8°F+4.8°NCLIMGRID
1937Sep55.2°F55.8°F-0.6°NCLIMGRID
1937Oct43.3°F44.8°F-1.6°NCLIMGRID
1937Nov32.6°F33.8°F-1.1°NCLIMGRID
1937Dec18.9°F20.7°F-1.9°NCLIMGRID
1938Jan14.2°F14.2°F+0.0°NCLIMGRID
1938Feb20.6°F16.9°F+3.7°NCLIMGRID
1938Mar30.2°F27.4°F+2.8°NCLIMGRID
1938Apr42.5°F40.4°F+2.1°NCLIMGRID
1938May51.7°F52.3°F-0.5°NCLIMGRID
1938Jun62.2°F61.0°F+1.1°NCLIMGRID
1938Jul67.1°F65.9°F+1.2°NCLIMGRID
1938Aug67.2°F63.8°F+3.3°NCLIMGRID
1938Sep52.1°F55.8°F-3.7°NCLIMGRID
1938Oct47.5°F44.8°F+2.7°NCLIMGRID
1938Nov34.1°F33.8°F+0.3°NCLIMGRID
1938Dec21.0°F20.7°F+0.3°NCLIMGRID
1939Jan15.3°F14.2°F+1.1°NCLIMGRID
1939Feb17.8°F16.9°F+1.0°NCLIMGRID
1939Mar22.1°F27.4°F-5.3°NCLIMGRID
1939Apr36.4°F40.4°F-4.1°NCLIMGRID
1939May54.1°F52.3°F+1.9°NCLIMGRID
1939Jun61.1°F61.0°F+0.1°NCLIMGRID
1939Jul66.1°F65.9°F+0.2°NCLIMGRID
1939Aug67.5°F63.8°F+3.6°NCLIMGRID
1939Sep56.7°F55.8°F+0.9°NCLIMGRID
1939Oct44.1°F44.8°F-0.8°NCLIMGRID
1939Nov27.1°F33.8°F-6.6°NCLIMGRID
1939Dec20.8°F20.7°F+0.1°NCLIMGRID
1940Jan5.6°F14.2°F-8.6°NCLIMGRID
1940Feb15.1°F16.9°F-1.8°NCLIMGRID
1940Mar19.7°F27.4°F-7.7°NCLIMGRID
1940Apr35.8°F40.4°F-4.6°NCLIMGRID
1940May53.5°F52.3°F+1.2°NCLIMGRID
1940Jun60.3°F61.0°F-0.7°NCLIMGRID
1940Jul65.4°F65.9°F-0.5°NCLIMGRID
1940Aug63.2°F63.8°F-0.7°NCLIMGRID
1940Sep55.3°F55.8°F-0.4°NCLIMGRID
1940Oct40.6°F44.8°F-4.2°NCLIMGRID
1940Nov31.4°F33.8°F-2.4°NCLIMGRID
1940Dec21.6°F20.7°F+0.8°NCLIMGRID
1941Jan12.4°F14.2°F-1.8°NCLIMGRID
1941Feb15.5°F16.9°F-1.4°NCLIMGRID
1941Mar19.3°F27.4°F-8.1°NCLIMGRID
1941Apr45.7°F40.4°F+5.3°NCLIMGRID
1941May54.2°F52.3°F+2.0°NCLIMGRID
1941Jun63.5°F61.0°F+2.5°NCLIMGRID
1941Jul68.3°F65.9°F+2.4°NCLIMGRID
1941Aug61.0°F63.8°F-2.8°NCLIMGRID
1941Sep58.5°F55.8°F+2.7°NCLIMGRID
1941Oct45.2°F44.8°F+0.4°NCLIMGRID
1941Nov36.1°F33.8°F+2.3°NCLIMGRID
1941Dec22.5°F20.7°F+1.8°NCLIMGRID
1942Jan14.4°F14.2°F+0.2°NCLIMGRID
1942Feb13.7°F16.9°F-3.2°NCLIMGRID
1942Mar31.6°F27.4°F+4.1°NCLIMGRID
1942Apr44.5°F40.4°F+4.0°NCLIMGRID
1942May56.3°F52.3°F+4.0°NCLIMGRID
1942Jun62.2°F61.0°F+1.1°NCLIMGRID
1942Jul66.2°F65.9°F+0.3°NCLIMGRID
1942Aug63.6°F63.8°F-0.2°NCLIMGRID
1942Sep56.7°F55.8°F+0.9°NCLIMGRID
1942Oct46.6°F44.8°F+1.7°NCLIMGRID
1942Nov32.2°F33.8°F-1.5°NCLIMGRID
1942Dec14.9°F20.7°F-5.8°NCLIMGRID
1943Jan9.9°F14.2°F-4.3°NCLIMGRID
1943Feb17.1°F16.9°F+0.3°NCLIMGRID
1943Mar23.8°F27.4°F-3.6°NCLIMGRID
1943Apr32.4°F40.4°F-8.0°NCLIMGRID
1943May51.2°F52.3°F-1.1°NCLIMGRID
1943Jun65.3°F61.0°F+4.3°NCLIMGRID
1943Jul67.1°F65.9°F+1.2°NCLIMGRID
1943Aug63.6°F63.8°F-0.2°NCLIMGRID
1943Sep55.4°F55.8°F-0.4°NCLIMGRID
1943Oct44.2°F44.8°F-0.6°NCLIMGRID
1943Nov30.3°F33.8°F-3.5°NCLIMGRID
1943Dec15.7°F20.7°F-5.1°NCLIMGRID
1944Jan19.8°F14.2°F+5.5°NCLIMGRID
1944Feb15.4°F16.9°F-1.5°NCLIMGRID
1944Mar22.0°F27.4°F-5.4°NCLIMGRID
1944Apr35.0°F40.4°F-5.4°NCLIMGRID
1944May58.5°F52.3°F+6.2°NCLIMGRID
1944Jun62.4°F61.0°F+1.3°NCLIMGRID
1944Jul67.4°F65.9°F+1.4°NCLIMGRID
1944Aug66.5°F63.8°F+2.6°NCLIMGRID
1944Sep57.7°F55.8°F+1.9°NCLIMGRID
1944Oct43.2°F44.8°F-1.6°NCLIMGRID
1944Nov33.0°F33.8°F-0.8°NCLIMGRID
1944Dec14.4°F20.7°F-6.3°NCLIMGRID
1945Jan6.2°F14.2°F-8.0°NCLIMGRID
1945Feb18.3°F16.9°F+1.4°NCLIMGRID
1945Mar36.3°F27.4°F+8.9°NCLIMGRID
1945Apr45.4°F40.4°F+4.9°NCLIMGRID
1945May48.4°F52.3°F-3.9°NCLIMGRID
1945Jun60.9°F61.0°F-0.1°NCLIMGRID
1945Jul66.4°F65.9°F+0.5°NCLIMGRID
1945Aug63.3°F63.8°F-0.5°NCLIMGRID
1945Sep59.5°F55.8°F+3.7°NCLIMGRID
1945Oct43.9°F44.8°F-0.9°NCLIMGRID
1945Nov34.2°F33.8°F+0.4°NCLIMGRID
1945Dec14.8°F20.7°F-5.9°NCLIMGRID
1946Jan16.4°F14.2°F+2.2°NCLIMGRID
1946Feb13.5°F16.9°F-3.4°NCLIMGRID
1946Mar37.7°F27.4°F+10.3°NCLIMGRID
1946Apr39.4°F40.4°F-1.0°NCLIMGRID
1946May50.8°F52.3°F-1.5°NCLIMGRID
1946Jun59.5°F61.0°F-1.6°NCLIMGRID
1946Jul65.0°F65.9°F-0.9°NCLIMGRID
1946Aug60.2°F63.8°F-3.7°NCLIMGRID
1946Sep58.9°F55.8°F+3.1°NCLIMGRID
1946Oct49.2°F44.8°F+4.3°NCLIMGRID
1946Nov36.4°F33.8°F+2.6°NCLIMGRID
1946Dec21.7°F20.7°F+1.0°NCLIMGRID
1947Jan19.3°F14.2°F+5.0°NCLIMGRID
1947Feb13.7°F16.9°F-3.2°NCLIMGRID
1947Mar24.8°F27.4°F-2.6°NCLIMGRID
1947Apr37.9°F40.4°F-2.6°NCLIMGRID
1947May51.6°F52.3°F-0.7°NCLIMGRID
1947Jun60.8°F61.0°F-0.2°NCLIMGRID
1947Jul66.5°F65.9°F+0.6°NCLIMGRID
1947Aug68.8°F63.8°F+4.9°NCLIMGRID
1947Sep58.5°F55.8°F+2.7°NCLIMGRID
1947Oct53.0°F44.8°F+8.2°NCLIMGRID
1947Nov30.4°F33.8°F-3.4°NCLIMGRID
1947Dec16.2°F20.7°F-4.5°NCLIMGRID
1948Jan9.5°F14.2°F-4.7°NCLIMGRID
1948Feb13.4°F16.9°F-3.5°NCLIMGRID
1948Mar26.7°F27.4°F-0.7°NCLIMGRID
1948Apr43.7°F40.4°F+3.3°NCLIMGRID
1948May50.2°F52.3°F-2.1°NCLIMGRID
1948Jun60.7°F61.0°F-0.4°NCLIMGRID
1948Jul66.4°F65.9°F+0.5°NCLIMGRID
1948Aug64.6°F63.8°F+0.7°NCLIMGRID
1948Sep58.0°F55.8°F+2.2°NCLIMGRID
1948Oct43.4°F44.8°F-1.4°NCLIMGRID
1948Nov40.3°F33.8°F+6.5°NCLIMGRID
1948Dec23.5°F20.7°F+2.8°NCLIMGRID
1949Jan21.6°F14.2°F+7.4°NCLIMGRID
1949Feb23.4°F16.9°F+6.6°NCLIMGRID
1949Mar27.8°F27.4°F+0.4°NCLIMGRID
1949Apr41.3°F40.4°F+0.9°NCLIMGRID
1949May53.2°F52.3°F+0.9°NCLIMGRID
1949Jun67.4°F61.0°F+6.4°NCLIMGRID
1949Jul69.2°F65.9°F+3.2°NCLIMGRID
1949Aug66.7°F63.8°F+2.8°NCLIMGRID
1949Sep54.4°F55.8°F-1.4°NCLIMGRID
1949Oct50.4°F44.8°F+5.6°NCLIMGRID
1949Nov30.2°F33.8°F-3.5°NCLIMGRID
1949Dec23.1°F20.7°F+2.4°NCLIMGRID
1950Jan25.2°F14.2°F+10.9°NCLIMGRID
1950Feb15.4°F16.9°F-1.5°NCLIMGRID
1950Mar19.7°F27.4°F-7.7°NCLIMGRID
1950Apr36.4°F40.4°F-4.0°NCLIMGRID
1950May52.5°F52.3°F+0.2°NCLIMGRID
1950Jun60.3°F61.0°F-0.8°NCLIMGRID
1950Jul64.6°F65.9°F-1.3°NCLIMGRID
1950Aug63.1°F63.8°F-0.7°NCLIMGRID
1950Sep53.1°F55.8°F-2.7°NCLIMGRID
1950Oct47.4°F44.8°F+2.6°NCLIMGRID
1950Nov35.8°F33.8°F+2.1°NCLIMGRID
1950Dec19.4°F20.7°F-1.4°NCLIMGRID
1951Jan18.5°F14.2°F+4.3°NCLIMGRID
1951Feb19.8°F16.9°F+3.0°NCLIMGRID
1951Mar28.8°F27.4°F+1.4°NCLIMGRID
1951Apr40.9°F40.4°F+0.5°NCLIMGRID
1951May52.7°F52.3°F+0.4°NCLIMGRID
1951Jun60.4°F61.0°F-0.7°NCLIMGRID
1951Jul65.6°F65.9°F-0.3°NCLIMGRID
1951Aug62.2°F63.8°F-1.6°NCLIMGRID
1951Sep55.3°F55.8°F-0.5°NCLIMGRID
1951Oct47.4°F44.8°F+2.5°NCLIMGRID
1951Nov27.7°F33.8°F-6.0°NCLIMGRID
1951Dec22.0°F20.7°F+1.3°NCLIMGRID
1952Jan18.5°F14.2°F+4.2°NCLIMGRID
1952Feb20.2°F16.9°F+3.4°NCLIMGRID
1952Mar26.3°F27.4°F-1.1°NCLIMGRID
1952Apr44.3°F40.4°F+3.9°NCLIMGRID
1952May49.2°F52.3°F-3.1°NCLIMGRID
1952Jun61.7°F61.0°F+0.7°NCLIMGRID
1952Jul68.8°F65.9°F+2.9°NCLIMGRID
1952Aug64.4°F63.8°F+0.5°NCLIMGRID
1952Sep57.6°F55.8°F+1.8°NCLIMGRID
1952Oct40.8°F44.8°F-4.0°NCLIMGRID
1952Nov36.1°F33.8°F+2.3°NCLIMGRID
1952Dec24.4°F20.7°F+3.7°NCLIMGRID
1953Jan22.2°F14.2°F+7.9°NCLIMGRID
1953Feb21.7°F16.9°F+4.9°NCLIMGRID
1953Mar30.1°F27.4°F+2.7°NCLIMGRID
1953Apr40.4°F40.4°F+0.0°NCLIMGRID
1953May53.8°F52.3°F+1.5°NCLIMGRID
1953Jun61.9°F61.0°F+0.8°NCLIMGRID
1953Jul66.0°F65.9°F+0.1°NCLIMGRID
1953Aug63.0°F63.8°F-0.8°NCLIMGRID
1953Sep56.9°F55.8°F+1.1°NCLIMGRID
1953Oct47.6°F44.8°F+2.7°NCLIMGRID
1953Nov37.1°F33.8°F+3.4°NCLIMGRID
1953Dec26.8°F20.7°F+6.1°NCLIMGRID
1954Jan10.7°F14.2°F-3.5°NCLIMGRID
1954Feb24.0°F16.9°F+7.1°NCLIMGRID
1954Mar25.5°F27.4°F-1.9°NCLIMGRID
1954Apr41.8°F40.4°F+1.4°NCLIMGRID
1954May50.5°F52.3°F-1.8°NCLIMGRID
1954Jun62.8°F61.0°F+1.8°NCLIMGRID
1954Jul64.0°F65.9°F-1.9°NCLIMGRID
1954Aug61.4°F63.8°F-2.5°NCLIMGRID
1954Sep54.5°F55.8°F-1.3°NCLIMGRID
1954Oct48.5°F44.8°F+3.6°NCLIMGRID
1954Nov33.8°F33.8°F+0.1°NCLIMGRID
1954Dec19.3°F20.7°F-1.4°NCLIMGRID
1955Jan11.6°F14.2°F-2.7°NCLIMGRID
1955Feb17.5°F16.9°F+0.6°NCLIMGRID
1955Mar25.5°F27.4°F-1.9°NCLIMGRID
1955Apr44.3°F40.4°F+3.9°NCLIMGRID
1955May55.3°F52.3°F+3.0°NCLIMGRID
1955Jun62.3°F61.0°F+1.3°NCLIMGRID
1955Jul70.6°F65.9°F+4.7°NCLIMGRID
1955Aug68.7°F63.8°F+4.9°NCLIMGRID
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1983Dec17.5°F20.7°F-3.2°NCLIMGRID
1984Jan12.4°F14.2°F-1.8°NCLIMGRID
1984Feb26.5°F16.9°F+9.6°NCLIMGRID
1984Mar20.1°F27.4°F-7.3°NCLIMGRID
1984Apr41.6°F40.4°F+1.1°NCLIMGRID
1984May48.5°F52.3°F-3.8°NCLIMGRID
1984Jun62.9°F61.0°F+1.9°NCLIMGRID
1984Jul65.3°F65.9°F-0.6°NCLIMGRID
1984Aug66.3°F63.8°F+2.5°NCLIMGRID
1984Sep53.7°F55.8°F-2.1°NCLIMGRID
1984Oct48.6°F44.8°F+3.8°NCLIMGRID
1984Nov33.2°F33.8°F-0.6°NCLIMGRID
1984Dec28.5°F20.7°F+7.8°NCLIMGRID
1985Jan11.8°F14.2°F-2.4°NCLIMGRID
1985Feb18.8°F16.9°F+1.9°NCLIMGRID
1985Mar28.5°F27.4°F+1.1°NCLIMGRID
1985Apr42.3°F40.4°F+1.8°NCLIMGRID
1985May53.9°F52.3°F+1.6°NCLIMGRID
1985Jun56.8°F61.0°F-4.2°NCLIMGRID
1985Jul64.9°F65.9°F-1.0°NCLIMGRID
1985Aug63.1°F63.8°F-0.7°NCLIMGRID
1985Sep58.3°F55.8°F+2.5°NCLIMGRID
1985Oct46.8°F44.8°F+1.9°NCLIMGRID
1985Nov36.0°F33.8°F+2.3°NCLIMGRID
1985Dec18.7°F20.7°F-2.0°NCLIMGRID
1986Jan16.2°F14.2°F+1.9°NCLIMGRID
1986Feb16.3°F16.9°F-0.6°NCLIMGRID
1986Mar31.0°F27.4°F+3.6°NCLIMGRID
1986Apr45.5°F40.4°F+5.1°NCLIMGRID
1986May56.3°F52.3°F+4.0°NCLIMGRID
1986Jun59.1°F61.0°F-1.9°NCLIMGRID
1986Jul65.5°F65.9°F-0.4°NCLIMGRID
1986Aug62.0°F63.8°F-1.9°NCLIMGRID
1986Sep54.9°F55.8°F-0.9°NCLIMGRID
1986Oct44.5°F44.8°F-0.4°NCLIMGRID
1986Nov31.6°F33.8°F-2.2°NCLIMGRID
1986Dec25.1°F20.7°F+4.4°NCLIMGRID
1987Jan16.1°F14.2°F+1.8°NCLIMGRID
1987Feb14.0°F16.9°F-2.8°NCLIMGRID
1987Mar32.4°F27.4°F+5.0°NCLIMGRID
1987Apr46.5°F40.4°F+6.1°NCLIMGRID
1987May54.7°F52.3°F+2.4°NCLIMGRID
1987Jun63.0°F61.0°F+1.9°NCLIMGRID
1987Jul68.1°F65.9°F+2.2°NCLIMGRID
1987Aug62.5°F63.8°F-1.3°NCLIMGRID
1987Sep56.2°F55.8°F+0.4°NCLIMGRID
1987Oct42.9°F44.8°F-1.9°NCLIMGRID
1987Nov34.4°F33.8°F+0.6°NCLIMGRID
1987Dec25.9°F20.7°F+5.2°NCLIMGRID
1988Jan14.9°F14.2°F+0.6°NCLIMGRID
1988Feb17.9°F16.9°F+1.0°NCLIMGRID
1988Mar26.3°F27.4°F-1.1°NCLIMGRID
1988Apr40.9°F40.4°F+0.5°NCLIMGRID
1988May55.5°F52.3°F+3.2°NCLIMGRID
1988Jun58.9°F61.0°F-2.2°NCLIMGRID
1988Jul69.3°F65.9°F+3.4°NCLIMGRID
1988Aug66.4°F63.8°F+2.6°NCLIMGRID
1988Sep55.0°F55.8°F-0.8°NCLIMGRID
1988Oct41.2°F44.8°F-3.6°NCLIMGRID
1988Nov36.2°F33.8°F+2.5°NCLIMGRID
1988Dec19.6°F20.7°F-1.1°NCLIMGRID
1989Jan20.3°F14.2°F+6.0°NCLIMGRID
1989Feb15.9°F16.9°F-1.0°NCLIMGRID
1989Mar26.2°F27.4°F-1.2°NCLIMGRID
1989Apr36.9°F40.4°F-3.6°NCLIMGRID
1989May53.5°F52.3°F+1.3°NCLIMGRID
1989Jun62.3°F61.0°F+1.2°NCLIMGRID
1989Jul66.2°F65.9°F+0.3°NCLIMGRID
1989Aug62.9°F63.8°F-0.9°NCLIMGRID
1989Sep56.6°F55.8°F+0.8°NCLIMGRID
1989Oct46.1°F44.8°F+1.3°NCLIMGRID
1989Nov31.9°F33.8°F-1.8°NCLIMGRID
1989Dec5.0°F20.7°F-15.8°NCLIMGRID
1990Jan26.3°F14.2°F+12.0°NCLIMGRID
1990Feb22.1°F16.9°F+5.2°NCLIMGRID
1990Mar30.3°F27.4°F+2.9°NCLIMGRID
1990Apr42.9°F40.4°F+2.5°NCLIMGRID
1990May49.7°F52.3°F-2.6°NCLIMGRID
1990Jun61.5°F61.0°F+0.5°NCLIMGRID
1990Jul65.9°F65.9°F+0.0°NCLIMGRID
1990Aug64.8°F63.8°F+1.0°NCLIMGRID
1990Sep55.3°F55.8°F-0.5°NCLIMGRID
1990Oct47.4°F44.8°F+2.6°NCLIMGRID
1990Nov35.8°F33.8°F+2.0°NCLIMGRID
1990Dec26.8°F20.7°F+6.1°NCLIMGRID
1991Jan16.4°F14.2°F+2.2°NCLIMGRID
1991Feb23.3°F16.9°F+6.4°NCLIMGRID
1991Mar31.1°F27.4°F+3.7°NCLIMGRID
1991Apr44.5°F40.4°F+4.1°NCLIMGRID
1991May57.0°F52.3°F+4.7°NCLIMGRID
1991Jun62.6°F61.0°F+1.6°NCLIMGRID
1991Jul65.2°F65.9°F-0.7°NCLIMGRID
1991Aug65.5°F63.8°F+1.7°NCLIMGRID
1991Sep53.9°F55.8°F-1.9°NCLIMGRID
1991Oct47.4°F44.8°F+2.6°NCLIMGRID
1991Nov33.8°F33.8°F+0.1°NCLIMGRID
1991Dec22.6°F20.7°F+1.9°NCLIMGRID
1992Jan16.7°F14.2°F+2.4°NCLIMGRID
1992Feb18.9°F16.9°F+2.1°NCLIMGRID
1992Mar22.1°F27.4°F-5.3°NCLIMGRID
1992Apr38.5°F40.4°F-2.0°NCLIMGRID
1992May52.3°F52.3°F+0.1°NCLIMGRID
1992Jun58.9°F61.0°F-2.1°NCLIMGRID
1992Jul61.6°F65.9°F-4.3°NCLIMGRID
1992Aug61.4°F63.8°F-2.4°NCLIMGRID
1992Sep56.1°F55.8°F+0.3°NCLIMGRID
1992Oct40.6°F44.8°F-4.2°NCLIMGRID
1992Nov33.3°F33.8°F-0.5°NCLIMGRID
1992Dec23.5°F20.7°F+2.7°NCLIMGRID
1993Jan20.7°F14.2°F+6.5°NCLIMGRID
1993Feb9.7°F16.9°F-7.2°NCLIMGRID
1993Mar24.8°F27.4°F-2.6°NCLIMGRID
1993Apr41.7°F40.4°F+1.3°NCLIMGRID
1993May52.8°F52.3°F+0.5°NCLIMGRID
1993Jun59.0°F61.0°F-2.0°NCLIMGRID
1993Jul66.8°F65.9°F+0.9°NCLIMGRID
1993Aug65.5°F63.8°F+1.7°NCLIMGRID
1993Sep55.0°F55.8°F-0.8°NCLIMGRID
1993Oct42.8°F44.8°F-2.1°NCLIMGRID
1993Nov33.8°F33.8°F+0.1°NCLIMGRID
1993Dec20.8°F20.7°F+0.0°NCLIMGRID
1994Jan5.3°F14.2°F-9.0°NCLIMGRID
1994Feb12.8°F16.9°F-4.1°NCLIMGRID
1994Mar25.3°F27.4°F-2.1°NCLIMGRID
1994Apr40.8°F40.4°F+0.4°NCLIMGRID
1994May49.9°F52.3°F-2.3°NCLIMGRID
1994Jun63.5°F61.0°F+2.4°NCLIMGRID
1994Jul67.8°F65.9°F+1.9°NCLIMGRID
1994Aug62.1°F63.8°F-1.7°NCLIMGRID
1994Sep55.5°F55.8°F-0.3°NCLIMGRID
1994Oct45.6°F44.8°F+0.7°NCLIMGRID
1994Nov38.5°F33.8°F+4.8°NCLIMGRID
1994Dec26.2°F20.7°F+5.5°NCLIMGRID
1995Jan24.8°F14.2°F+10.6°NCLIMGRID
1995Feb13.6°F16.9°F-3.3°NCLIMGRID
1995Mar32.4°F27.4°F+5.0°NCLIMGRID
1995Apr36.4°F40.4°F-4.0°NCLIMGRID
1995May51.7°F52.3°F-0.6°NCLIMGRID
1995Jun64.2°F61.0°F+3.2°NCLIMGRID
1995Jul68.1°F65.9°F+2.2°NCLIMGRID
1995Aug66.2°F63.8°F+2.3°NCLIMGRID
1995Sep53.9°F55.8°F-1.9°NCLIMGRID
1995Oct49.5°F44.8°F+4.7°NCLIMGRID
1995Nov30.2°F33.8°F-3.6°NCLIMGRID
1995Dec16.4°F20.7°F-4.3°NCLIMGRID
1996Jan15.0°F14.2°F+0.8°NCLIMGRID
1996Feb17.3°F16.9°F+0.4°NCLIMGRID
1996Mar24.2°F27.4°F-3.2°NCLIMGRID
1996Apr37.7°F40.4°F-2.7°NCLIMGRID
1996May49.9°F52.3°F-2.4°NCLIMGRID
1996Jun63.6°F61.0°F+2.6°NCLIMGRID
1996Jul64.1°F65.9°F-1.8°NCLIMGRID
1996Aug65.2°F63.8°F+1.4°NCLIMGRID
1996Sep58.4°F55.8°F+2.6°NCLIMGRID
1996Oct45.2°F44.8°F+0.4°NCLIMGRID
1996Nov29.1°F33.8°F-4.6°NCLIMGRID
1996Dec29.1°F20.7°F+8.4°NCLIMGRID
1997Jan15.4°F14.2°F+1.1°NCLIMGRID
1997Feb22.6°F16.9°F+5.7°NCLIMGRID
1997Mar25.0°F27.4°F-2.4°NCLIMGRID
1997Apr37.8°F40.4°F-2.7°NCLIMGRID
1997May46.8°F52.3°F-5.5°NCLIMGRID
1997Jun63.1°F61.0°F+2.1°NCLIMGRID
1997Jul63.9°F65.9°F-2.0°NCLIMGRID
1997Aug62.7°F63.8°F-1.2°NCLIMGRID
1997Sep55.3°F55.8°F-0.4°NCLIMGRID
1997Oct43.7°F44.8°F-1.1°NCLIMGRID
1997Nov31.6°F33.8°F-2.1°NCLIMGRID
1997Dec23.9°F20.7°F+3.2°NCLIMGRID
1998Jan24.1°F14.2°F+9.8°NCLIMGRID
1998Feb26.9°F16.9°F+10.1°NCLIMGRID
1998Mar30.5°F27.4°F+3.1°NCLIMGRID
1998Apr44.4°F40.4°F+4.0°NCLIMGRID
1998May59.0°F52.3°F+6.7°NCLIMGRID
1998Jun61.6°F61.0°F+0.5°NCLIMGRID
1998Jul65.2°F65.9°F-0.7°NCLIMGRID
1998Aug65.3°F63.8°F+1.5°NCLIMGRID
1998Sep58.2°F55.8°F+2.4°NCLIMGRID
1998Oct47.0°F44.8°F+2.1°NCLIMGRID
1998Nov35.2°F33.8°F+1.4°NCLIMGRID
1998Dec29.8°F20.7°F+9.1°NCLIMGRID
1999Jan16.7°F14.2°F+2.5°NCLIMGRID
1999Feb23.4°F16.9°F+6.6°NCLIMGRID
1999Mar25.9°F27.4°F-1.5°NCLIMGRID
1999Apr41.1°F40.4°F+0.7°NCLIMGRID
1999May56.0°F52.3°F+3.8°NCLIMGRID
1999Jun65.0°F61.0°F+4.0°NCLIMGRID
1999Jul68.4°F65.9°F+2.5°NCLIMGRID
1999Aug63.4°F63.8°F-0.5°NCLIMGRID
1999Sep60.2°F55.8°F+4.4°NCLIMGRID
1999Oct43.2°F44.8°F-1.7°NCLIMGRID
1999Nov39.6°F33.8°F+5.8°NCLIMGRID
1999Dec24.5°F20.7°F+3.8°NCLIMGRID
2000Jan13.8°F14.2°F-0.5°NCLIMGRID
2000Feb21.9°F16.9°F+5.1°NCLIMGRID
2000Mar34.8°F27.4°F+7.4°NCLIMGRID
2000Apr39.8°F40.4°F-0.6°NCLIMGRID
2000May54.6°F52.3°F+2.4°NCLIMGRID
2000Jun61.4°F61.0°F+0.3°NCLIMGRID
2000Jul62.4°F65.9°F-3.5°NCLIMGRID
2000Aug62.7°F63.8°F-1.1°NCLIMGRID
2000Sep55.4°F55.8°F-0.4°NCLIMGRID
2000Oct45.9°F44.8°F+1.1°NCLIMGRID
2000Nov33.8°F33.8°F+0.0°NCLIMGRID
2000Dec15.8°F20.7°F-5.0°NCLIMGRID
2001Jan19.1°F14.2°F+4.8°NCLIMGRID
2001Feb20.4°F16.9°F+3.5°NCLIMGRID
2001Mar24.3°F27.4°F-3.1°NCLIMGRID
2001Apr40.7°F40.4°F+0.3°NCLIMGRID
2001May55.6°F52.3°F+3.3°NCLIMGRID
2001Jun62.0°F61.0°F+0.9°NCLIMGRID
2001Jul63.5°F65.9°F-2.4°NCLIMGRID
2001Aug67.5°F63.8°F+3.7°NCLIMGRID
2001Sep57.3°F55.8°F+1.5°NCLIMGRID
2001Oct47.4°F44.8°F+2.6°NCLIMGRID
2001Nov40.7°F33.8°F+6.9°NCLIMGRID
2001Dec30.7°F20.7°F+10.0°NCLIMGRID
2002Jan24.8°F14.2°F+10.6°NCLIMGRID
2002Feb23.8°F16.9°F+6.9°NCLIMGRID
2002Mar28.6°F27.4°F+1.2°NCLIMGRID
2002Apr42.4°F40.4°F+2.0°NCLIMGRID
2002May48.5°F52.3°F-3.8°NCLIMGRID
2002Jun61.9°F61.0°F+0.9°NCLIMGRID
2002Jul67.1°F65.9°F+1.2°NCLIMGRID
2002Aug66.7°F63.8°F+2.8°NCLIMGRID
2002Sep61.0°F55.8°F+5.2°NCLIMGRID
2002Oct43.2°F44.8°F-1.6°NCLIMGRID
2002Nov32.6°F33.8°F-1.2°NCLIMGRID
2002Dec20.6°F20.7°F-0.1°NCLIMGRID
2003Jan9.9°F14.2°F-4.4°NCLIMGRID
2003Feb14.5°F16.9°F-2.3°NCLIMGRID
2003Mar27.4°F27.4°F+0.0°NCLIMGRID
2003Apr37.7°F40.4°F-2.8°NCLIMGRID
2003May52.6°F52.3°F+0.3°NCLIMGRID
2003Jun61.0°F61.0°F-0.1°NCLIMGRID
2003Jul65.9°F65.9°F+0.0°NCLIMGRID
2003Aug66.9°F63.8°F+3.1°NCLIMGRID
2003Sep59.0°F55.8°F+3.2°NCLIMGRID
2003Oct43.3°F44.8°F-1.5°NCLIMGRID
2003Nov37.3°F33.8°F+3.5°NCLIMGRID
2003Dec24.0°F20.7°F+3.3°NCLIMGRID
2004Jan6.8°F14.2°F-7.4°NCLIMGRID
2004Feb16.9°F16.9°F+0.0°NCLIMGRID
2004Mar30.9°F27.4°F+3.5°NCLIMGRID
2004Apr41.0°F40.4°F+0.6°NCLIMGRID
2004May56.0°F52.3°F+3.7°NCLIMGRID
2004Jun59.3°F61.0°F-1.7°NCLIMGRID
2004Jul65.2°F65.9°F-0.7°NCLIMGRID
2004Aug62.8°F63.8°F-1.0°NCLIMGRID
2004Sep59.8°F55.8°F+4.0°NCLIMGRID
2004Oct45.5°F44.8°F+0.7°NCLIMGRID
2004Nov35.6°F33.8°F+1.9°NCLIMGRID
2004Dec22.0°F20.7°F+1.3°NCLIMGRID
2005Jan14.1°F14.2°F-0.2°NCLIMGRID
2005Feb19.9°F16.9°F+3.0°NCLIMGRID
2005Mar23.6°F27.4°F-3.8°NCLIMGRID
2005Apr43.3°F40.4°F+2.9°NCLIMGRID
2005May49.4°F52.3°F-2.9°NCLIMGRID
2005Jun67.5°F61.0°F+6.5°NCLIMGRID
2005Jul69.2°F65.9°F+3.3°NCLIMGRID
2005Aug67.2°F63.8°F+3.3°NCLIMGRID
2005Sep61.0°F55.8°F+5.2°NCLIMGRID
2005Oct47.5°F44.8°F+2.7°NCLIMGRID
2005Nov37.6°F33.8°F+3.9°NCLIMGRID
2005Dec20.7°F20.7°F+0.0°NCLIMGRID
2006Jan26.6°F14.2°F+12.4°NCLIMGRID
2006Feb20.4°F16.9°F+3.5°NCLIMGRID
2006Mar27.6°F27.4°F+0.2°NCLIMGRID
2006Apr43.2°F40.4°F+2.8°NCLIMGRID
2006May54.3°F52.3°F+2.0°NCLIMGRID
2006Jun62.7°F61.0°F+1.7°NCLIMGRID
2006Jul68.8°F65.9°F+2.9°NCLIMGRID
2006Aug64.4°F63.8°F+0.5°NCLIMGRID
2006Sep55.9°F55.8°F+0.1°NCLIMGRID
2006Oct43.9°F44.8°F-0.9°NCLIMGRID
2006Nov40.4°F33.8°F+6.7°NCLIMGRID
2006Dec31.4°F20.7°F+10.7°NCLIMGRID
2007Jan20.1°F14.2°F+5.9°NCLIMGRID
2007Feb11.8°F16.9°F-5.0°NCLIMGRID
2007Mar25.4°F27.4°F-2.0°NCLIMGRID
2007Apr38.3°F40.4°F-2.1°NCLIMGRID
2007May53.8°F52.3°F+1.5°NCLIMGRID
2007Jun64.1°F61.0°F+3.0°NCLIMGRID
2007Jul64.3°F65.9°F-1.6°NCLIMGRID
2007Aug65.4°F63.8°F+1.6°NCLIMGRID
2007Sep59.5°F55.8°F+3.7°NCLIMGRID
2007Oct52.5°F44.8°F+7.7°NCLIMGRID
2007Nov32.4°F33.8°F-1.3°NCLIMGRID
2007Dec22.0°F20.7°F+1.3°NCLIMGRID
2008Jan22.7°F14.2°F+8.4°NCLIMGRID
2008Feb19.3°F16.9°F+2.5°NCLIMGRID
2008Mar24.8°F27.4°F-2.6°NCLIMGRID
2008Apr46.6°F40.4°F+6.1°NCLIMGRID
2008May49.1°F52.3°F-3.2°NCLIMGRID
2008Jun64.5°F61.0°F+3.5°NCLIMGRID
2008Jul66.3°F65.9°F+0.4°NCLIMGRID
2008Aug62.6°F63.8°F-1.2°NCLIMGRID
2008Sep58.1°F55.8°F+2.3°NCLIMGRID
2008Oct43.8°F44.8°F-1.0°NCLIMGRID
2008Nov33.1°F33.8°F-0.6°NCLIMGRID
2008Dec22.7°F20.7°F+2.0°NCLIMGRID
2009Jan10.9°F14.2°F-3.3°NCLIMGRID
2009Feb20.4°F16.9°F+3.5°NCLIMGRID
2009Mar29.2°F27.4°F+1.8°NCLIMGRID
2009Apr43.2°F40.4°F+2.8°NCLIMGRID
2009May52.3°F52.3°F+0.0°NCLIMGRID
2009Jun60.0°F61.0°F-1.0°NCLIMGRID
2009Jul63.1°F65.9°F-2.9°NCLIMGRID
2009Aug65.5°F63.8°F+1.6°NCLIMGRID
2009Sep56.0°F55.8°F+0.2°NCLIMGRID
2009Oct43.7°F44.8°F-1.1°NCLIMGRID
2009Nov39.3°F33.8°F+5.6°NCLIMGRID
2009Dec20.4°F20.7°F-0.3°NCLIMGRID
2010Jan17.9°F14.2°F+3.7°NCLIMGRID
2010Feb20.4°F16.9°F+3.6°NCLIMGRID
2010Mar35.9°F27.4°F+8.4°NCLIMGRID
2010Apr46.5°F40.4°F+6.1°NCLIMGRID
2010May57.1°F52.3°F+4.8°NCLIMGRID
2010Jun62.3°F61.0°F+1.3°NCLIMGRID
2010Jul69.1°F65.9°F+3.2°NCLIMGRID
2010Aug65.6°F63.8°F+1.7°NCLIMGRID
2010Sep58.7°F55.8°F+2.9°NCLIMGRID
2010Oct45.5°F44.8°F+0.7°NCLIMGRID
2010Nov35.0°F33.8°F+1.2°NCLIMGRID
2010Dec20.0°F20.7°F-0.7°NCLIMGRID
2011Jan15.4°F14.2°F+1.1°NCLIMGRID
2011Feb17.7°F16.9°F+0.9°NCLIMGRID
2011Mar27.0°F27.4°F-0.4°NCLIMGRID
2011Apr42.2°F40.4°F+1.8°NCLIMGRID
2011May56.8°F52.3°F+4.5°NCLIMGRID
2011Jun62.8°F61.0°F+1.8°NCLIMGRID
2011Jul68.8°F65.9°F+2.9°NCLIMGRID
2011Aug64.9°F63.8°F+1.1°NCLIMGRID
2011Sep60.5°F55.8°F+4.7°NCLIMGRID
2011Oct47.0°F44.8°F+2.1°NCLIMGRID
2011Nov40.6°F33.8°F+6.8°NCLIMGRID
2011Dec27.8°F20.7°F+7.1°NCLIMGRID
2012Jan21.6°F14.2°F+7.3°NCLIMGRID
2012Feb25.5°F16.9°F+8.6°NCLIMGRID
2012Mar39.2°F27.4°F+11.8°NCLIMGRID
2012Apr40.7°F40.4°F+0.2°NCLIMGRID
2012May58.3°F52.3°F+6.0°NCLIMGRID
2012Jun62.2°F61.0°F+1.1°NCLIMGRID
2012Jul68.6°F65.9°F+2.7°NCLIMGRID
2012Aug66.3°F63.8°F+2.4°NCLIMGRID
2012Sep57.4°F55.8°F+1.6°NCLIMGRID
2012Oct48.8°F44.8°F+4.0°NCLIMGRID
2012Nov32.8°F33.8°F-1.0°NCLIMGRID
2012Dec27.8°F20.7°F+7.1°NCLIMGRID
2013Jan19.4°F14.2°F+5.1°NCLIMGRID
2013Feb18.5°F16.9°F+1.7°NCLIMGRID
2013Mar26.6°F27.4°F-0.8°NCLIMGRID
2013Apr39.3°F40.4°F-1.2°NCLIMGRID
2013May55.5°F52.3°F+3.2°NCLIMGRID
2013Jun61.6°F61.0°F+0.5°NCLIMGRID
2013Jul69.1°F65.9°F+3.2°NCLIMGRID
2013Aug63.5°F63.8°F-0.3°NCLIMGRID
2013Sep55.7°F55.8°F-0.1°NCLIMGRID
2013Oct47.9°F44.8°F+3.0°NCLIMGRID
2013Nov31.1°F33.8°F-2.7°NCLIMGRID
2013Dec21.8°F20.7°F+1.0°NCLIMGRID
2014Jan12.6°F14.2°F-1.7°NCLIMGRID
2014Feb15.4°F16.9°F-1.5°NCLIMGRID
2014Mar18.1°F27.4°F-9.3°NCLIMGRID
2014Apr40.4°F40.4°F-0.1°NCLIMGRID
2014May55.3°F52.3°F+3.0°NCLIMGRID
2014Jun62.5°F61.0°F+1.5°NCLIMGRID
2014Jul64.9°F65.9°F-1.0°NCLIMGRID
2014Aug63.3°F63.8°F-0.5°NCLIMGRID
2014Sep57.6°F55.8°F+1.8°NCLIMGRID
2014Oct49.3°F44.8°F+4.5°NCLIMGRID
2014Nov32.4°F33.8°F-1.3°NCLIMGRID
2014Dec27.3°F20.7°F+6.5°NCLIMGRID
2015Jan11.4°F14.2°F-2.8°NCLIMGRID
2015Feb4.5°F16.9°F-12.3°NCLIMGRID
2015Mar20.8°F27.4°F-6.6°NCLIMGRID
2015Apr39.5°F40.4°F-0.9°NCLIMGRID
2015May59.1°F52.3°F+6.8°NCLIMGRID
2015Jun60.8°F61.0°F-0.2°NCLIMGRID
2015Jul65.8°F65.9°F-0.1°NCLIMGRID
2015Aug65.2°F63.8°F+1.4°NCLIMGRID
2015Sep63.2°F55.8°F+7.4°NCLIMGRID
2015Oct44.3°F44.8°F-0.5°NCLIMGRID
2015Nov40.6°F33.8°F+6.8°NCLIMGRID
2015Dec36.5°F20.7°F+15.7°NCLIMGRID
2016Jan19.7°F14.2°F+5.4°NCLIMGRID
2016Feb23.1°F16.9°F+6.2°NCLIMGRID
2016Mar33.2°F27.4°F+5.8°NCLIMGRID
2016Apr38.3°F40.4°F-2.1°NCLIMGRID
2016May54.1°F52.3°F+1.9°NCLIMGRID
2016Jun61.4°F61.0°F+0.3°NCLIMGRID
2016Jul68.0°F65.9°F+2.1°NCLIMGRID
2016Aug68.1°F63.8°F+4.3°NCLIMGRID
2016Sep60.4°F55.8°F+4.6°NCLIMGRID
2016Oct47.8°F44.8°F+2.9°NCLIMGRID
2016Nov37.4°F33.8°F+3.6°NCLIMGRID
2016Dec24.3°F20.7°F+3.6°NCLIMGRID
2017Jan24.3°F14.2°F+10.0°NCLIMGRID
2017Feb25.2°F16.9°F+8.3°NCLIMGRID
2017Mar22.9°F27.4°F-4.5°NCLIMGRID
2017Apr45.3°F40.4°F+4.8°NCLIMGRID
2017May50.9°F52.3°F-1.4°NCLIMGRID
2017Jun61.2°F61.0°F+0.1°NCLIMGRID
2017Jul65.6°F65.9°F-0.3°NCLIMGRID
2017Aug63.5°F63.8°F-0.3°NCLIMGRID
2017Sep60.4°F55.8°F+4.6°NCLIMGRID
2017Oct52.4°F44.8°F+7.6°NCLIMGRID
2017Nov32.6°F33.8°F-1.2°NCLIMGRID
2017Dec18.3°F20.7°F-2.5°NCLIMGRID
2018Jan13.9°F14.2°F-0.3°NCLIMGRID
2018Feb24.8°F16.9°F+8.0°NCLIMGRID
2018Mar26.9°F27.4°F-0.5°NCLIMGRID
2018Apr33.9°F40.4°F-6.5°NCLIMGRID
2018May57.7°F52.3°F+5.4°NCLIMGRID
2018Jun60.9°F61.0°F-0.2°NCLIMGRID
2018Jul70.0°F65.9°F+4.1°NCLIMGRID
2018Aug68.8°F63.8°F+4.9°NCLIMGRID
2018Sep61.3°F55.8°F+5.5°NCLIMGRID
2018Oct44.5°F44.8°F-0.3°NCLIMGRID
2018Nov29.9°F33.8°F-3.8°NCLIMGRID
2018Dec24.3°F20.7°F+3.5°NCLIMGRID
2019Jan14.4°F14.2°F+0.1°NCLIMGRID
2019Feb19.4°F16.9°F+2.5°NCLIMGRID
2019Mar25.1°F27.4°F-2.4°NCLIMGRID
2019Apr41.0°F40.4°F+0.5°NCLIMGRID
2019May51.0°F52.3°F-1.2°NCLIMGRID
2019Jun61.0°F61.0°F+0.0°NCLIMGRID
2019Jul68.7°F65.9°F+2.8°NCLIMGRID
2019Aug64.2°F63.8°F+0.3°NCLIMGRID
2019Sep58.0°F55.8°F+2.2°NCLIMGRID
2019Oct47.4°F44.8°F+2.6°NCLIMGRID
2019Nov29.6°F33.8°F-4.2°NCLIMGRID
2019Dec23.8°F20.7°F+3.1°NCLIMGRID
2020Jan24.0°F14.2°F+9.7°NCLIMGRID
2020Feb22.2°F16.9°F+5.3°NCLIMGRID
2020Mar32.7°F27.4°F+5.3°NCLIMGRID
2020Apr38.2°F40.4°F-2.2°NCLIMGRID
2020May52.3°F52.3°F+0.0°NCLIMGRID
2020Jun63.1°F61.0°F+2.0°NCLIMGRID
2020Jul71.1°F65.9°F+5.2°NCLIMGRID
2020Aug66.5°F63.8°F+2.7°NCLIMGRID
2020Sep57.7°F55.8°F+1.9°NCLIMGRID
2020Oct45.8°F44.8°F+1.0°NCLIMGRID
2020Nov38.8°F33.8°F+5.0°NCLIMGRID
2020Dec26.5°F20.7°F+5.8°NCLIMGRID
2021Jan19.5°F14.2°F+5.2°NCLIMGRID
2021Feb18.4°F16.9°F+1.5°NCLIMGRID
2021Mar30.8°F27.4°F+3.4°NCLIMGRID
2021Apr43.3°F40.4°F+2.8°NCLIMGRID
2021May52.7°F52.3°F+0.4°NCLIMGRID
2021Jun65.4°F61.0°F+4.3°NCLIMGRID
2021Jul64.7°F65.9°F-1.2°NCLIMGRID
2021Aug67.7°F63.8°F+3.9°NCLIMGRID
2021Sep59.0°F55.8°F+3.2°NCLIMGRID
2021Oct52.6°F44.8°F+7.7°NCLIMGRID
2021Nov34.6°F33.8°F+0.8°NCLIMGRID
2021Dec28.7°F20.7°F+8.0°NCLIMGRID
2022Jan10.0°F14.2°F-4.3°NCLIMGRID
2022Feb19.2°F16.9°F+2.4°NCLIMGRID
2022Mar29.1°F27.4°F+1.7°NCLIMGRID
2022Apr41.1°F40.4°F+0.7°NCLIMGRID
2022May57.0°F52.3°F+4.7°NCLIMGRID
2022Jun61.4°F61.0°F+0.3°NCLIMGRID
2022Jul66.8°F65.9°F+0.9°NCLIMGRID
2022Aug66.8°F63.8°F+3.0°NCLIMGRID
2022Sep58.0°F55.8°F+2.2°NCLIMGRID
2022Oct47.0°F44.8°F+2.2°NCLIMGRID
2022Nov38.2°F33.8°F+4.5°NCLIMGRID
2022Dec26.3°F20.7°F+5.6°NCLIMGRID
2023Jan26.1°F14.2°F+11.8°NCLIMGRID
2023Feb23.0°F16.9°F+6.1°NCLIMGRID
2023Mar28.7°F27.4°F+1.2°NCLIMGRID
2023Apr45.3°F40.4°F+4.9°NCLIMGRID
2023May52.2°F52.3°F-0.1°NCLIMGRID
2023Jun61.8°F61.0°F+0.8°NCLIMGRID
2023Jul68.5°F65.9°F+2.6°NCLIMGRID
2023Aug63.1°F63.8°F-0.7°NCLIMGRID
2023Sep59.8°F55.8°F+4.0°NCLIMGRID
2023Oct51.0°F44.8°F+6.2°NCLIMGRID
2023Nov32.3°F33.8°F-1.4°NCLIMGRID
2023Dec32.1°F20.7°F+11.4°NCLIMGRID
2024Jan23.5°F14.2°F+9.3°NCLIMGRID
2024Feb27.3°F16.9°F+10.5°NCLIMGRID
2024Mar34.0°F27.4°F+6.6°NCLIMGRID
2024Apr43.3°F40.4°F+2.9°NCLIMGRID
2024May58.3°F52.3°F+6.0°NCLIMGRID
2024Jun63.9°F61.0°F+2.8°NCLIMGRID
2024Jul68.6°F65.9°F+2.7°NCLIMGRID
2024Aug64.3°F63.8°F+0.4°NCLIMGRID
2024Sep61.0°F55.8°F+5.2°NCLIMGRID
2024Oct48.1°F44.8°F+3.3°NCLIMGRID
2024Nov39.1°F33.8°F+5.3°NCLIMGRID
2024Dec23.5°F20.7°F+2.8°NCLIMGRID
2025Jan16.7°F14.2°F+2.5°NCLIMGRID
2025Feb17.7°F16.9°F+0.8°NCLIMGRID
2025Mar32.3°F27.4°F+4.9°NCLIMGRID
2025Apr41.6°F40.4°F+1.1°NCLIMGRID
2025May53.0°F52.3°F+0.8°NCLIMGRID
2025Jun63.9°F61.0°F+2.8°NCLIMGRID
2025Jul69.7°F65.9°F+3.8°NCLIMGRID
2025Aug64.8°F63.8°F+1.0°NCLIMGRID
2025Sep59.7°F55.8°F+3.9°NCLIMGRID
2025Oct48.2°F44.8°F+3.4°NCLIMGRID
2025Nov33.0°F33.8°F-0.7°NCLIMGRID
2025Dec18.4°F20.7°F-2.3°NCLIMGRID
2026Jan14.9°F14.2°F+0.6°NCLIMGRID
2026Feb16.4°F16.9°F-0.4°NCLIMGRID

Showing 1,154 of 1,154 records. = gap-filled data

This table shows raw (unsmoothed) monthly anomalies. The spiral applies a 12-month moving average to highlight long-term trends.

Methodology

Methodology How we calculate anomalies

1. Data Acquisition

We use NOAA's nClimGrid dataset, which provides homogenized temperature data on a 5km grid, for the nearest grid point with historical coverage starting from 1930.

Temperature metric: Monthly average temperature (TAVG). When TAVG is unavailable, we use (TMAX + TMIN) / 2 as a proxy.

2. Gap Filling

Some months may have missing data. We fill gaps using data from nearby weather stations (within ~200km).

10

Initial gaps

0

Filled

10

Unfillable

3. Baseline Calculation

The baseline is a 25-year window dynamically centered on the data's midpoint, requiring at least 90% coverage. If coverage is insufficient, the window shifts forward in 5-year increments until the threshold is met.

Period: 1966 – 1991 (100% coverage)

MonthBaselineYears
January14.2°F26/26
February16.9°F26/26
March27.4°F26/26
April40.4°F26/26
May52.3°F26/26
June61.0°F26/26
July65.9°F26/26
August63.8°F26/26
September55.8°F26/26
October44.8°F26/26
November33.8°F26/26
December20.7°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 Port Leyden, New York getting warmer?

Based on 96+ years of NOAA temperature records, Port Leyden has warmed at a rate of approximately 0.28°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 Port Leyden?

The warmest year on record in Port Leyden was 2024, based on average annual temperature anomaly from NOAA station data.

Where does the temperature data for Port Leyden 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 Port Leyden's climate profile.

How are the climate visualizations for Port Leyden created?

Three visualizations are generated from Port Leyden'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 Port Leyden's temperature data?

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

Wear Port Leyden's Climate Story

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