Climate Change in Southwick, Massachusetts

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

Based on our analysis of 96 years of temperature data near Southwick, MA, this area shows a warming trend of approximately +0.3°F per decade. 10 of the last 10 years recorded above-average temperatures, and 2012 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

2012

+4.0°F anomaly

Recent Warm Years

10 / 10

above-average years

Decade Shift

+3.1°F

2020s vs 1930s

Compared to the National Average

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

National: +0.20°F/decade
Southwick: +0.29°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 Southwick's long-term warming trend.

Temperature anomaly spiral for Southwick, Massachusetts
Climate spiral: monthly temperature anomalies from 96+ years of NOAA records for Southwick, MA.

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 Southwick, Massachusetts
Warming stripes: each stripe is one year of average temperature anomaly for Southwick, MA.

Temperature Trend

Annual temperature anomalies plotted over time with a linear regression trend line. The slope of +0.29°F per decade quantifies the rate of change.

Temperature trend chart for Southwick, Massachusetts
Linear trend: annual temperature anomalies with trend line for Southwick, MA.

Temperature by Decade

1930s
-0.17°F
1940s
-0.21°F
1950s
+0.18°F
1960s
-0.86°F
1970s
-0.27°F
1980s
+0.01°F
1990s
+1.04°F
2000s
+0.98°F
2010s
+1.89°F
2020s
+2.80°F

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

Anomaly Scale

-4.5°F Colder Normal +5.8°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 Southwick, MA. 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
1930Jan25.5°F23.4°F+2.1°NCLIMGRID
1930Feb29.5°F26.4°F+3.1°NCLIMGRID
1930Mar35.4°F36.0°F-0.7°NCLIMGRID
1930Apr45.1°F47.3°F-2.2°NCLIMGRID
1930May59.8°F58.3°F+1.5°NCLIMGRID
1930Jun70.2°F66.9°F+3.3°NCLIMGRID
1930Jul70.6°F72.2°F-1.6°NCLIMGRID
1930Aug67.8°F70.3°F-2.5°NCLIMGRID
1930Sep64.6°F61.6°F+3.0°NCLIMGRID
1930Oct48.7°F50.5°F-1.8°NCLIMGRID
1930Nov39.7°F40.5°F-0.8°NCLIMGRID
1930Dec28.8°F28.7°F+0.1°NCLIMGRID
1931Jan23.8°F23.4°F+0.4°NCLIMGRID
1931Feb25.4°F26.4°F-1.0°NCLIMGRID
1931Mar36.1°F36.0°F+0.1°NCLIMGRID
1931Apr47.3°F47.3°F+0.0°NCLIMGRID
1931May58.5°F58.3°F+0.2°NCLIMGRID
1931Jun66.9°F66.9°F+0.0°NCLIMGRID
1931Jul73.4°F72.2°F+1.2°NCLIMGRID
1931Aug69.5°F70.3°F-0.8°NCLIMGRID
1931Sep64.9°F61.6°F+3.3°NCLIMGRID
1931Oct54.0°F50.5°F+3.5°NCLIMGRID
1931Nov44.5°F40.5°F+4.0°NCLIMGRID
1931Dec32.6°F28.7°F+3.9°NCLIMGRID
1932Jan34.2°F23.4°F+10.8°NCLIMGRID
1932Feb27.0°F26.4°F+0.6°NCLIMGRID
1932Mar31.6°F36.0°F-4.4°NCLIMGRID
1932Apr43.8°F47.3°F-3.5°NCLIMGRID
1932May58.2°F58.3°F+0.0°NCLIMGRID
1932Jun65.9°F66.9°F-1.0°NCLIMGRID
1932Jul69.6°F72.2°F-2.6°NCLIMGRID
1932Aug69.5°F70.3°F-0.8°NCLIMGRID
1932Sep61.7°F61.6°F+0.1°NCLIMGRID
1932Oct52.4°F50.5°F+1.9°NCLIMGRID
1932Nov36.9°F40.5°F-3.6°NCLIMGRID
1932Dec30.1°F28.7°F+1.4°NCLIMGRID
1933Jan32.0°F23.4°F+8.6°NCLIMGRID
1933Feb28.2°F26.4°F+1.8°NCLIMGRID
1933Mar33.0°F36.0°F-3.0°NCLIMGRID
1933Apr46.1°F47.3°F-1.2°NCLIMGRID
1933May61.2°F58.3°F+2.9°NCLIMGRID
1933Jun68.8°F66.9°F+2.0°NCLIMGRID
1933Jul71.7°F72.2°F-0.5°NCLIMGRID
1933Aug69.1°F70.3°F-1.2°NCLIMGRID
1933Sep62.8°F61.6°F+1.2°NCLIMGRID
1933Oct49.6°F50.5°F-0.8°NCLIMGRID
1933Nov34.5°F40.5°F-6.0°NCLIMGRID
1933Dec23.5°F28.7°F-5.2°NCLIMGRID
1934Jan26.0°F23.4°F+2.6°NCLIMGRID
1934Feb13.0°F26.4°F-13.4°NCLIMGRID
1934Mar32.7°F36.0°F-3.3°NCLIMGRID
1934Apr47.4°F47.3°F+0.0°NCLIMGRID
1934May60.4°F58.3°F+2.1°NCLIMGRID
1934Jun68.6°F66.9°F+1.8°NCLIMGRID
1934Jul72.9°F72.2°F+0.7°NCLIMGRID
1934Aug66.2°F70.3°F-4.1°NCLIMGRID
1934Sep63.5°F61.6°F+1.9°NCLIMGRID
1934Oct47.3°F50.5°F-3.2°NCLIMGRID
1934Nov42.1°F40.5°F+1.6°NCLIMGRID
1934Dec26.5°F28.7°F-2.2°NCLIMGRID
1935Jan20.2°F23.4°F-3.2°NCLIMGRID
1935Feb24.2°F26.4°F-2.2°NCLIMGRID
1935Mar37.0°F36.0°F+1.0°NCLIMGRID
1935Apr45.5°F47.3°F-1.8°NCLIMGRID
1935May55.0°F58.3°F-3.2°NCLIMGRID
1935Jun66.0°F66.9°F-0.9°NCLIMGRID
1935Jul73.0°F72.2°F+0.8°NCLIMGRID
1935Aug69.7°F70.3°F-0.6°NCLIMGRID
1935Sep58.9°F61.6°F-2.8°NCLIMGRID
1935Oct50.6°F50.5°F+0.1°NCLIMGRID
1935Nov42.7°F40.5°F+2.2°NCLIMGRID
1935Dec24.5°F28.7°F-4.2°NCLIMGRID
1936Jan22.7°F23.4°F-0.7°NCLIMGRID
1936Feb18.1°F26.4°F-8.3°NCLIMGRID
1936Mar41.1°F36.0°F+5.1°NCLIMGRID
1936Apr43.6°F47.3°F-3.7°NCLIMGRID
1936May60.6°F58.3°F+2.3°NCLIMGRID
1936Jun66.8°F66.9°F-0.1°NCLIMGRID
1936Jul71.4°F72.2°F-0.8°NCLIMGRID
1936Aug70.2°F70.3°F-0.1°NCLIMGRID
1936Sep61.9°F61.6°F+0.3°NCLIMGRID
1936Oct50.5°F50.5°F+0.1°NCLIMGRID
1936Nov35.6°F40.5°F-4.9°NCLIMGRID
1936Dec31.6°F28.7°F+2.9°NCLIMGRID
1937Jan32.0°F23.4°F+8.6°NCLIMGRID
1937Feb29.9°F26.4°F+3.5°NCLIMGRID
1937Mar30.9°F36.0°F-5.1°NCLIMGRID
1937Apr44.9°F47.3°F-2.4°NCLIMGRID
1937May60.0°F58.3°F+1.7°NCLIMGRID
1937Jun67.4°F66.9°F+0.5°NCLIMGRID
1937Jul71.8°F72.2°F-0.4°NCLIMGRID
1937Aug72.6°F70.3°F+2.3°NCLIMGRID
1937Sep59.6°F61.6°F-2.0°NCLIMGRID
1937Oct49.3°F50.5°F-1.2°NCLIMGRID
1937Nov39.6°F40.5°F-0.9°NCLIMGRID
1937Dec27.8°F28.7°F-0.9°NCLIMGRID
1938Jan23.0°F23.4°F-0.4°NCLIMGRID
1938Feb28.2°F26.4°F+1.8°NCLIMGRID
1938Mar38.4°F36.0°F+2.4°NCLIMGRID
1938Apr49.5°F47.3°F+2.2°NCLIMGRID
1938May55.5°F58.3°F-2.8°NCLIMGRID
1938Jun66.8°F66.9°F-0.1°NCLIMGRID
1938Jul71.3°F72.2°F-0.9°NCLIMGRID
1938Aug72.0°F70.3°F+1.7°NCLIMGRID
1938Sep58.8°F61.6°F-2.8°NCLIMGRID
1938Oct53.9°F50.5°F+3.4°NCLIMGRID
1938Nov40.9°F40.5°F+0.4°NCLIMGRID
1938Dec29.4°F28.7°F+0.6°NCLIMGRID
1939Jan24.0°F23.4°F+0.6°NCLIMGRID
1939Feb28.2°F26.4°F+1.8°NCLIMGRID
1939Mar31.3°F36.0°F-4.7°NCLIMGRID
1939Apr43.1°F47.3°F-4.2°NCLIMGRID
1939May60.4°F58.3°F+2.1°NCLIMGRID
1939Jun67.5°F66.9°F+0.6°NCLIMGRID
1939Jul71.1°F72.2°F-1.2°NCLIMGRID
1939Aug72.8°F70.3°F+2.5°NCLIMGRID
1939Sep61.2°F61.6°F-0.5°NCLIMGRID
1939Oct50.3°F50.5°F-0.2°NCLIMGRID
1939Nov36.4°F40.5°F-4.1°NCLIMGRID
1939Dec28.8°F28.7°F+0.1°NCLIMGRID
1940Jan17.5°F23.4°F-5.9°NCLIMGRID
1940Feb25.8°F26.4°F-0.6°NCLIMGRID
1940Mar29.4°F36.0°F-6.7°NCLIMGRID
1940Apr42.5°F47.3°F-4.8°NCLIMGRID
1940May57.6°F58.3°F-0.7°NCLIMGRID
1940Jun65.1°F66.9°F-1.7°NCLIMGRID
1940Jul71.2°F72.2°F-1.0°NCLIMGRID
1940Aug66.8°F70.3°F-3.5°NCLIMGRID
1940Sep59.9°F61.6°F-1.7°NCLIMGRID
1940Oct46.5°F50.5°F-4.0°NCLIMGRID
1940Nov39.4°F40.5°F-1.1°NCLIMGRID
1940Dec30.6°F28.7°F+1.9°NCLIMGRID
1941Jan21.7°F23.4°F-1.7°NCLIMGRID
1941Feb25.6°F26.4°F-0.8°NCLIMGRID
1941Mar30.3°F36.0°F-5.7°NCLIMGRID
1941Apr52.1°F47.3°F+4.8°NCLIMGRID
1941May59.7°F58.3°F+1.4°NCLIMGRID
1941Jun67.0°F66.9°F+0.1°NCLIMGRID
1941Jul69.7°F72.2°F-2.5°NCLIMGRID
1941Aug67.7°F70.3°F-2.6°NCLIMGRID
1941Sep63.2°F61.6°F+1.5°NCLIMGRID
1941Oct52.8°F50.5°F+2.4°NCLIMGRID
1941Nov42.8°F40.5°F+2.3°NCLIMGRID
1941Dec31.3°F28.7°F+2.6°NCLIMGRID
1942Jan23.0°F23.4°F-0.4°NCLIMGRID
1942Feb23.1°F26.4°F-3.3°NCLIMGRID
1942Mar38.9°F36.0°F+2.9°NCLIMGRID
1942Apr50.2°F47.3°F+2.9°NCLIMGRID
1942May61.5°F58.3°F+3.2°NCLIMGRID
1942Jun67.1°F66.9°F+0.2°NCLIMGRID
1942Jul70.6°F72.2°F-1.6°NCLIMGRID
1942Aug67.7°F70.3°F-2.5°NCLIMGRID
1942Sep61.4°F61.6°F-0.3°NCLIMGRID
1942Oct51.4°F50.5°F+1.0°NCLIMGRID
1942Nov39.0°F40.5°F-1.5°NCLIMGRID
1942Dec24.2°F28.7°F-4.5°NCLIMGRID
1943Jan21.4°F23.4°F-2.0°NCLIMGRID
1943Feb26.3°F26.4°F-0.1°NCLIMGRID
1943Mar33.0°F36.0°F-3.1°NCLIMGRID
1943Apr41.2°F47.3°F-6.1°NCLIMGRID
1943May58.9°F58.3°F+0.6°NCLIMGRID
1943Jun71.7°F66.9°F+4.8°NCLIMGRID
1943Jul71.8°F72.2°F-0.5°NCLIMGRID
1943Aug69.1°F70.3°F-1.2°NCLIMGRID
1943Sep61.2°F61.6°F-0.4°NCLIMGRID
1943Oct50.9°F50.5°F+0.4°NCLIMGRID
1943Nov38.3°F40.5°F-2.2°NCLIMGRID
1943Dec24.8°F28.7°F-3.9°NCLIMGRID
1944Jan26.3°F23.4°F+2.9°NCLIMGRID
1944Feb25.6°F26.4°F-0.8°NCLIMGRID
1944Mar32.1°F36.0°F-4.0°NCLIMGRID
1944Apr43.8°F47.3°F-3.6°NCLIMGRID
1944May63.9°F58.3°F+5.6°NCLIMGRID
1944Jun67.6°F66.9°F+0.7°NCLIMGRID
1944Jul73.2°F72.2°F+1.0°NCLIMGRID
1944Aug71.7°F70.3°F+1.4°NCLIMGRID
1944Sep62.9°F61.6°F+1.3°NCLIMGRID
1944Oct50.0°F50.5°F-0.5°NCLIMGRID
1944Nov39.2°F40.5°F-1.3°NCLIMGRID
1944Dec25.5°F28.7°F-3.3°NCLIMGRID
1945Jan18.5°F23.4°F-4.9°NCLIMGRID
1945Feb25.8°F26.4°F-0.7°NCLIMGRID
1945Mar45.4°F36.0°F+9.4°NCLIMGRID
1945Apr52.1°F47.3°F+4.7°NCLIMGRID
1945May55.3°F58.3°F-3.0°NCLIMGRID
1945Jun66.7°F66.9°F-0.2°NCLIMGRID
1945Jul70.9°F72.2°F-1.3°NCLIMGRID
1945Aug68.0°F70.3°F-2.3°NCLIMGRID
1945Sep64.4°F61.6°F+2.8°NCLIMGRID
1945Oct49.3°F50.5°F-1.2°NCLIMGRID
1945Nov40.8°F40.5°F+0.3°NCLIMGRID
1945Dec23.1°F28.7°F-5.6°NCLIMGRID
1946Jan24.5°F23.4°F+1.1°NCLIMGRID
1946Feb23.2°F26.4°F-3.2°NCLIMGRID
1946Mar45.5°F36.0°F+9.5°NCLIMGRID
1946Apr45.2°F47.3°F-2.1°NCLIMGRID
1946May56.6°F58.3°F-1.6°NCLIMGRID
1946Jun64.9°F66.9°F-2.0°NCLIMGRID
1946Jul70.2°F72.2°F-2.0°NCLIMGRID
1946Aug66.0°F70.3°F-4.3°NCLIMGRID
1946Sep63.1°F61.6°F+1.5°NCLIMGRID
1946Oct54.4°F50.5°F+3.9°NCLIMGRID
1946Nov43.3°F40.5°F+2.8°NCLIMGRID
1946Dec29.6°F28.7°F+0.8°NCLIMGRID
1947Jan28.1°F23.4°F+4.7°NCLIMGRID
1947Feb24.0°F26.4°F-2.4°NCLIMGRID
1947Mar33.6°F36.0°F-2.4°NCLIMGRID
1947Apr45.5°F47.3°F-1.8°NCLIMGRID
1947May56.6°F58.3°F-1.7°NCLIMGRID
1947Jun64.6°F66.9°F-2.3°NCLIMGRID
1947Jul71.8°F72.2°F-0.4°NCLIMGRID
1947Aug71.8°F70.3°F+1.5°NCLIMGRID
1947Sep62.2°F61.6°F+0.6°NCLIMGRID
1947Oct56.8°F50.5°F+6.3°NCLIMGRID
1947Nov36.9°F40.5°F-3.6°NCLIMGRID
1947Dec25.8°F28.7°F-3.0°NCLIMGRID
1948Jan18.2°F23.4°F-5.2°NCLIMGRID
1948Feb21.7°F26.4°F-4.7°NCLIMGRID
1948Mar35.3°F36.0°F-0.8°NCLIMGRID
1948Apr46.9°F47.3°F-0.4°NCLIMGRID
1948May56.6°F58.3°F-1.6°NCLIMGRID
1948Jun65.0°F66.9°F-1.9°NCLIMGRID
1948Jul72.6°F72.2°F+0.4°NCLIMGRID
1948Aug71.2°F70.3°F+0.9°NCLIMGRID
1948Sep63.4°F61.6°F+1.8°NCLIMGRID
1948Oct50.0°F50.5°F-0.5°NCLIMGRID
1948Nov45.0°F40.5°F+4.5°NCLIMGRID
1948Dec31.2°F28.7°F+2.4°NCLIMGRID
1949Jan31.3°F23.4°F+7.9°NCLIMGRID
1949Feb30.7°F26.4°F+4.2°NCLIMGRID
1949Mar36.7°F36.0°F+0.7°NCLIMGRID
1949Apr48.8°F47.3°F+1.5°NCLIMGRID
1949May59.0°F58.3°F+0.7°NCLIMGRID
1949Jun70.9°F66.9°F+4.0°NCLIMGRID
1949Jul75.7°F72.2°F+3.5°NCLIMGRID
1949Aug72.1°F70.3°F+1.8°NCLIMGRID
1949Sep60.3°F61.6°F-1.4°NCLIMGRID
1949Oct55.7°F50.5°F+5.2°NCLIMGRID
1949Nov38.7°F40.5°F-1.8°NCLIMGRID
1949Dec30.3°F28.7°F+1.6°NCLIMGRID
1950Jan32.2°F23.4°F+8.8°NCLIMGRID
1950Feb24.2°F26.4°F-2.2°NCLIMGRID
1950Mar30.3°F36.0°F-5.8°NCLIMGRID
1950Apr44.3°F47.3°F-3.0°NCLIMGRID
1950May57.1°F58.3°F-1.2°NCLIMGRID
1950Jun66.8°F66.9°F-0.1°NCLIMGRID
1950Jul70.2°F72.2°F-2.0°NCLIMGRID
1950Aug68.6°F70.3°F-1.7°NCLIMGRID
1950Sep58.7°F61.6°F-3.0°NCLIMGRID
1950Oct53.3°F50.5°F+2.8°NCLIMGRID
1950Nov42.6°F40.5°F+2.1°NCLIMGRID
1950Dec29.4°F28.7°F+0.7°NCLIMGRID
1951Jan28.5°F23.4°F+5.1°NCLIMGRID
1951Feb30.3°F26.4°F+3.9°NCLIMGRID
1951Mar36.9°F36.0°F+0.9°NCLIMGRID
1951Apr48.3°F47.3°F+1.0°NCLIMGRID
1951May59.1°F58.3°F+0.8°NCLIMGRID
1951Jun65.7°F66.9°F-1.2°NCLIMGRID
1951Jul71.9°F72.2°F-0.3°NCLIMGRID
1951Aug68.6°F70.3°F-1.6°NCLIMGRID
1951Sep61.3°F61.6°F-0.3°NCLIMGRID
1951Oct52.9°F50.5°F+2.4°NCLIMGRID
1951Nov35.9°F40.5°F-4.6°NCLIMGRID
1951Dec29.1°F28.7°F+0.4°NCLIMGRID
1952Jan28.3°F23.4°F+4.9°NCLIMGRID
1952Feb29.0°F26.4°F+2.6°NCLIMGRID
1952Mar34.9°F36.0°F-1.1°NCLIMGRID
1952Apr49.9°F47.3°F+2.6°NCLIMGRID
1952May55.3°F58.3°F-3.0°NCLIMGRID
1952Jun69.0°F66.9°F+2.1°NCLIMGRID
1952Jul74.9°F72.2°F+2.7°NCLIMGRID
1952Aug69.7°F70.3°F-0.6°NCLIMGRID
1952Sep62.4°F61.6°F+0.8°NCLIMGRID
1952Oct48.4°F50.5°F-2.1°NCLIMGRID
1952Nov40.4°F40.5°F-0.2°NCLIMGRID
1952Dec31.9°F28.7°F+3.2°NCLIMGRID
1953Jan29.5°F23.4°F+6.1°NCLIMGRID
1953Feb31.9°F26.4°F+5.5°NCLIMGRID
1953Mar37.5°F36.0°F+1.5°NCLIMGRID
1953Apr47.4°F47.3°F+0.1°NCLIMGRID
1953May59.3°F58.3°F+1.0°NCLIMGRID
1953Jun68.4°F66.9°F+1.5°NCLIMGRID
1953Jul71.8°F72.2°F-0.5°NCLIMGRID
1953Aug69.4°F70.3°F-0.9°NCLIMGRID
1953Sep63.2°F61.6°F+1.6°NCLIMGRID
1953Oct52.6°F50.5°F+2.1°NCLIMGRID
1953Nov42.4°F40.5°F+1.8°NCLIMGRID
1953Dec34.6°F28.7°F+5.9°NCLIMGRID
1954Jan21.6°F23.4°F-1.8°NCLIMGRID
1954Feb33.0°F26.4°F+6.6°NCLIMGRID
1954Mar36.4°F36.0°F+0.4°NCLIMGRID
1954Apr48.2°F47.3°F+0.9°NCLIMGRID
1954May55.1°F58.3°F-3.2°NCLIMGRID
1954Jun66.8°F66.9°F+0.0°NCLIMGRID
1954Jul69.8°F72.2°F-2.4°NCLIMGRID
1954Aug66.5°F70.3°F-3.8°NCLIMGRID
1954Sep59.7°F61.6°F-1.9°NCLIMGRID
1954Oct55.2°F50.5°F+4.7°NCLIMGRID
1954Nov40.2°F40.5°F-0.3°NCLIMGRID
1954Dec29.8°F28.7°F+1.1°NCLIMGRID
1955Jan23.9°F23.4°F+0.5°NCLIMGRID
1955Feb28.3°F26.4°F+1.9°NCLIMGRID
1955Mar34.9°F36.0°F-1.1°NCLIMGRID
1955Apr48.8°F47.3°F+1.5°NCLIMGRID
1955May61.3°F58.3°F+3.0°NCLIMGRID
1955Jun65.3°F66.9°F-1.5°NCLIMGRID
1955Jul75.7°F72.2°F+3.5°NCLIMGRID
1955Aug72.8°F70.3°F+2.5°NCLIMGRID
1955Sep60.4°F61.6°F-1.2°NCLIMGRID
1955Oct51.9°F50.5°F+1.4°NCLIMGRID
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1984Feb33.7°F26.4°F+7.3°NCLIMGRID
1984Mar30.6°F36.0°F-5.5°NCLIMGRID
1984Apr46.8°F47.3°F-0.5°NCLIMGRID
1984May55.5°F58.3°F-2.8°NCLIMGRID
1984Jun68.9°F66.9°F+2.0°NCLIMGRID
1984Jul71.0°F72.2°F-1.2°NCLIMGRID
1984Aug72.4°F70.3°F+2.1°NCLIMGRID
1984Sep59.0°F61.6°F-2.6°NCLIMGRID
1984Oct53.9°F50.5°F+3.4°NCLIMGRID
1984Nov40.7°F40.5°F+0.1°NCLIMGRID
1984Dec35.2°F28.7°F+6.4°NCLIMGRID
1985Jan20.7°F23.4°F-2.7°NCLIMGRID
1985Feb28.3°F26.4°F+1.9°NCLIMGRID
1985Mar38.2°F36.0°F+2.2°NCLIMGRID
1985Apr49.3°F47.3°F+2.0°NCLIMGRID
1985May60.3°F58.3°F+2.0°NCLIMGRID
1985Jun62.6°F66.9°F-4.2°NCLIMGRID
1985Jul71.5°F72.2°F-0.7°NCLIMGRID
1985Aug68.9°F70.3°F-1.4°NCLIMGRID
1985Sep62.8°F61.6°F+1.1°NCLIMGRID
1985Oct51.1°F50.5°F+0.6°NCLIMGRID
1985Nov41.9°F40.5°F+1.4°NCLIMGRID
1985Dec26.1°F28.7°F-2.7°NCLIMGRID
1986Jan25.5°F23.4°F+2.1°NCLIMGRID
1986Feb25.3°F26.4°F-1.2°NCLIMGRID
1986Mar37.4°F36.0°F+1.4°NCLIMGRID
1986Apr49.9°F47.3°F+2.6°NCLIMGRID
1986May60.5°F58.3°F+2.2°NCLIMGRID
1986Jun64.6°F66.9°F-2.2°NCLIMGRID
1986Jul70.9°F72.2°F-1.3°NCLIMGRID
1986Aug68.2°F70.3°F-2.1°NCLIMGRID
1986Sep60.5°F61.6°F-1.1°NCLIMGRID
1986Oct50.4°F50.5°F-0.1°NCLIMGRID
1986Nov37.0°F40.5°F-3.6°NCLIMGRID
1986Dec31.8°F28.7°F+3.1°NCLIMGRID
1987Jan23.8°F23.4°F+0.4°NCLIMGRID
1987Feb25.6°F26.4°F-0.8°NCLIMGRID
1987Mar38.6°F36.0°F+2.6°NCLIMGRID
1987Apr49.0°F47.3°F+1.7°NCLIMGRID
1987May59.2°F58.3°F+0.9°NCLIMGRID
1987Jun67.8°F66.9°F+1.0°NCLIMGRID
1987Jul73.3°F72.2°F+1.1°NCLIMGRID
1987Aug68.0°F70.3°F-2.3°NCLIMGRID
1987Sep61.6°F61.6°F-0.1°NCLIMGRID
1987Oct47.9°F50.5°F-2.6°NCLIMGRID
1987Nov39.8°F40.5°F-0.7°NCLIMGRID
1987Dec32.0°F28.7°F+3.3°NCLIMGRID
1988Jan21.5°F23.4°F-1.9°NCLIMGRID
1988Feb26.5°F26.4°F+0.1°NCLIMGRID
1988Mar36.7°F36.0°F+0.7°NCLIMGRID
1988Apr46.4°F47.3°F-0.9°NCLIMGRID
1988May59.2°F58.3°F+0.9°NCLIMGRID
1988Jun66.1°F66.9°F-0.8°NCLIMGRID
1988Jul74.2°F72.2°F+2.0°NCLIMGRID
1988Aug73.2°F70.3°F+2.9°NCLIMGRID
1988Sep60.7°F61.6°F-0.9°NCLIMGRID
1988Oct46.2°F50.5°F-4.3°NCLIMGRID
1988Nov41.4°F40.5°F+0.9°NCLIMGRID
1988Dec27.9°F28.7°F-0.8°NCLIMGRID
1989Jan29.3°F23.4°F+5.9°NCLIMGRID
1989Feb27.1°F26.4°F+0.6°NCLIMGRID
1989Mar35.7°F36.0°F-0.4°NCLIMGRID
1989Apr44.8°F47.3°F-2.5°NCLIMGRID
1989May59.4°F58.3°F+1.1°NCLIMGRID
1989Jun67.5°F66.9°F+0.7°NCLIMGRID
1989Jul71.7°F72.2°F-0.5°NCLIMGRID
1989Aug69.8°F70.3°F-0.5°NCLIMGRID
1989Sep62.5°F61.6°F+0.9°NCLIMGRID
1989Oct51.8°F50.5°F+1.3°NCLIMGRID
1989Nov39.3°F40.5°F-1.2°NCLIMGRID
1989Dec16.3°F28.7°F-12.5°NCLIMGRID
1990Jan33.9°F23.4°F+10.5°NCLIMGRID
1990Feb31.4°F26.4°F+5.0°NCLIMGRID
1990Mar38.4°F36.0°F+2.4°NCLIMGRID
1990Apr47.9°F47.3°F+0.6°NCLIMGRID
1990May55.7°F58.3°F-2.6°NCLIMGRID
1990Jun67.5°F66.9°F+0.6°NCLIMGRID
1990Jul72.8°F72.2°F+0.6°NCLIMGRID
1990Aug71.5°F70.3°F+1.2°NCLIMGRID
1990Sep61.9°F61.6°F+0.2°NCLIMGRID
1990Oct56.0°F50.5°F+5.5°NCLIMGRID
1990Nov43.4°F40.5°F+2.9°NCLIMGRID
1990Dec35.7°F28.7°F+7.0°NCLIMGRID
1991Jan25.5°F23.4°F+2.1°NCLIMGRID
1991Feb33.0°F26.4°F+6.6°NCLIMGRID
1991Mar39.8°F36.0°F+3.8°NCLIMGRID
1991Apr51.8°F47.3°F+4.5°NCLIMGRID
1991May64.3°F58.3°F+6.0°NCLIMGRID
1991Jun68.9°F66.9°F+2.1°NCLIMGRID
1991Jul72.1°F72.2°F-0.1°NCLIMGRID
1991Aug71.8°F70.3°F+1.5°NCLIMGRID
1991Sep61.1°F61.6°F-0.5°NCLIMGRID
1991Oct53.3°F50.5°F+2.8°NCLIMGRID
1991Nov41.6°F40.5°F+1.1°NCLIMGRID
1991Dec31.9°F28.7°F+3.2°NCLIMGRID
1992Jan27.2°F23.4°F+3.8°NCLIMGRID
1992Feb29.2°F26.4°F+2.8°NCLIMGRID
1992Mar33.5°F36.0°F-2.5°NCLIMGRID
1992Apr45.4°F47.3°F-1.9°NCLIMGRID
1992May57.6°F58.3°F-0.7°NCLIMGRID
1992Jun65.0°F66.9°F-1.9°NCLIMGRID
1992Jul68.7°F72.2°F-3.5°NCLIMGRID
1992Aug67.6°F70.3°F-2.7°NCLIMGRID
1992Sep61.6°F61.6°F+0.0°NCLIMGRID
1992Oct47.2°F50.5°F-3.3°NCLIMGRID
1992Nov39.3°F40.5°F-1.2°NCLIMGRID
1992Dec29.8°F28.7°F+1.0°NCLIMGRID
1993Jan27.8°F23.4°F+4.4°NCLIMGRID
1993Feb21.4°F26.4°F-5.0°NCLIMGRID
1993Mar32.9°F36.0°F-3.1°NCLIMGRID
1993Apr47.7°F47.3°F+0.4°NCLIMGRID
1993May60.2°F58.3°F+1.9°NCLIMGRID
1993Jun66.4°F66.9°F-0.4°NCLIMGRID
1993Jul72.8°F72.2°F+0.6°NCLIMGRID
1993Aug71.8°F70.3°F+1.5°NCLIMGRID
1993Sep61.9°F61.6°F+0.2°NCLIMGRID
1993Oct48.4°F50.5°F-2.1°NCLIMGRID
1993Nov39.9°F40.5°F-0.6°NCLIMGRID
1993Dec29.6°F28.7°F+0.9°NCLIMGRID
1994Jan17.2°F23.4°F-6.2°NCLIMGRID
1994Feb22.2°F26.4°F-4.2°NCLIMGRID
1994Mar34.7°F36.0°F-1.3°NCLIMGRID
1994Apr48.9°F47.3°F+1.6°NCLIMGRID
1994May56.9°F58.3°F-1.4°NCLIMGRID
1994Jun69.5°F66.9°F+2.7°NCLIMGRID
1994Jul75.4°F72.2°F+3.1°NCLIMGRID
1994Aug68.6°F70.3°F-1.6°NCLIMGRID
1994Sep61.9°F61.6°F+0.3°NCLIMGRID
1994Oct50.9°F50.5°F+0.4°NCLIMGRID
1994Nov44.7°F40.5°F+4.2°NCLIMGRID
1994Dec34.2°F28.7°F+5.4°NCLIMGRID
1995Jan31.5°F23.4°F+8.1°NCLIMGRID
1995Feb24.7°F26.4°F-1.7°NCLIMGRID
1995Mar39.7°F36.0°F+3.7°NCLIMGRID
1995Apr45.4°F47.3°F-1.9°NCLIMGRID
1995May56.8°F58.3°F-1.5°NCLIMGRID
1995Jun68.2°F66.9°F+1.3°NCLIMGRID
1995Jul74.4°F72.2°F+2.2°NCLIMGRID
1995Aug70.6°F70.3°F+0.3°NCLIMGRID
1995Sep60.6°F61.6°F-1.0°NCLIMGRID
1995Oct54.0°F50.5°F+3.5°NCLIMGRID
1995Nov36.9°F40.5°F-3.6°NCLIMGRID
1995Dec25.4°F28.7°F-3.3°NCLIMGRID
1996Jan24.2°F23.4°F+0.8°NCLIMGRID
1996Feb26.5°F26.4°F+0.1°NCLIMGRID
1996Mar33.1°F36.0°F-3.0°NCLIMGRID
1996Apr47.5°F47.3°F+0.2°NCLIMGRID
1996May57.0°F58.3°F-1.3°NCLIMGRID
1996Jun68.1°F66.9°F+1.2°NCLIMGRID
1996Jul70.3°F72.2°F-1.9°NCLIMGRID
1996Aug71.1°F70.3°F+0.8°NCLIMGRID
1996Sep61.8°F61.6°F+0.2°NCLIMGRID
1996Oct50.0°F50.5°F-0.5°NCLIMGRID
1996Nov37.1°F40.5°F-3.4°NCLIMGRID
1996Dec34.7°F28.7°F+6.0°NCLIMGRID
1997Jan25.7°F23.4°F+2.3°NCLIMGRID
1997Feb33.4°F26.4°F+7.0°NCLIMGRID
1997Mar34.9°F36.0°F-1.1°NCLIMGRID
1997Apr45.6°F47.3°F-1.8°NCLIMGRID
1997May55.0°F58.3°F-3.3°NCLIMGRID
1997Jun67.4°F66.9°F+0.5°NCLIMGRID
1997Jul71.0°F72.2°F-1.2°NCLIMGRID
1997Aug68.9°F70.3°F-1.4°NCLIMGRID
1997Sep61.7°F61.6°F+0.1°NCLIMGRID
1997Oct49.3°F50.5°F-1.2°NCLIMGRID
1997Nov37.8°F40.5°F-2.7°NCLIMGRID
1997Dec30.9°F28.7°F+2.1°NCLIMGRID
1998Jan31.4°F23.4°F+8.0°NCLIMGRID
1998Feb35.2°F26.4°F+8.8°NCLIMGRID
1998Mar39.1°F36.0°F+3.0°NCLIMGRID
1998Apr48.9°F47.3°F+1.6°NCLIMGRID
1998May62.3°F58.3°F+4.0°NCLIMGRID
1998Jun66.0°F66.9°F-0.8°NCLIMGRID
1998Jul71.8°F72.2°F-0.4°NCLIMGRID
1998Aug72.3°F70.3°F+2.0°NCLIMGRID
1998Sep64.6°F61.6°F+3.0°NCLIMGRID
1998Oct51.5°F50.5°F+1.0°NCLIMGRID
1998Nov40.1°F40.5°F-0.4°NCLIMGRID
1998Dec35.8°F28.7°F+7.0°NCLIMGRID
1999Jan24.6°F23.4°F+1.2°NCLIMGRID
1999Feb30.9°F26.4°F+4.5°NCLIMGRID
1999Mar37.2°F36.0°F+1.1°NCLIMGRID
1999Apr47.8°F47.3°F+0.4°NCLIMGRID
1999May59.0°F58.3°F+0.7°NCLIMGRID
1999Jun69.6°F66.9°F+2.7°NCLIMGRID
1999Jul75.0°F72.2°F+2.8°NCLIMGRID
1999Aug70.1°F70.3°F-0.2°NCLIMGRID
1999Sep65.2°F61.6°F+3.6°NCLIMGRID
1999Oct49.6°F50.5°F-0.9°NCLIMGRID
1999Nov45.2°F40.5°F+4.7°NCLIMGRID
1999Dec32.8°F28.7°F+4.0°NCLIMGRID
2000Jan23.2°F23.4°F-0.2°NCLIMGRID
2000Feb30.1°F26.4°F+3.7°NCLIMGRID
2000Mar41.6°F36.0°F+5.6°NCLIMGRID
2000Apr46.5°F47.3°F-0.8°NCLIMGRID
2000May59.0°F58.3°F+0.7°NCLIMGRID
2000Jun66.2°F66.9°F-0.6°NCLIMGRID
2000Jul68.2°F72.2°F-4.1°NCLIMGRID
2000Aug68.4°F70.3°F-1.9°NCLIMGRID
2000Sep61.1°F61.6°F-0.5°NCLIMGRID
2000Oct50.6°F50.5°F+0.2°NCLIMGRID
2000Nov40.1°F40.5°F-0.4°NCLIMGRID
2000Dec24.6°F28.7°F-4.1°NCLIMGRID
2001Jan24.7°F23.4°F+1.3°NCLIMGRID
2001Feb27.9°F26.4°F+1.5°NCLIMGRID
2001Mar33.4°F36.0°F-2.6°NCLIMGRID
2001Apr48.3°F47.3°F+1.0°NCLIMGRID
2001May59.1°F58.3°F+0.8°NCLIMGRID
2001Jun68.4°F66.9°F+1.5°NCLIMGRID
2001Jul68.6°F72.2°F-3.6°NCLIMGRID
2001Aug73.8°F70.3°F+3.5°NCLIMGRID
2001Sep62.5°F61.6°F+0.8°NCLIMGRID
2001Oct52.1°F50.5°F+1.7°NCLIMGRID
2001Nov44.5°F40.5°F+4.0°NCLIMGRID
2001Dec36.4°F28.7°F+7.7°NCLIMGRID
2002Jan32.9°F23.4°F+9.5°NCLIMGRID
2002Feb33.9°F26.4°F+7.5°NCLIMGRID
2002Mar38.1°F36.0°F+2.1°NCLIMGRID
2002Apr50.8°F47.3°F+3.5°NCLIMGRID
2002May56.2°F58.3°F-2.1°NCLIMGRID
2002Jun66.1°F66.9°F-0.8°NCLIMGRID
2002Jul73.7°F72.2°F+1.5°NCLIMGRID
2002Aug72.6°F70.3°F+2.3°NCLIMGRID
2002Sep65.7°F61.6°F+4.1°NCLIMGRID
2002Oct48.8°F50.5°F-1.7°NCLIMGRID
2002Nov39.1°F40.5°F-1.4°NCLIMGRID
2002Dec28.5°F28.7°F-0.3°NCLIMGRID
2003Jan19.2°F23.4°F-4.2°NCLIMGRID
2003Feb22.8°F26.4°F-3.6°NCLIMGRID
2003Mar35.5°F36.0°F-0.6°NCLIMGRID
2003Apr45.1°F47.3°F-2.2°NCLIMGRID
2003May56.2°F58.3°F-2.1°NCLIMGRID
2003Jun66.1°F66.9°F-0.8°NCLIMGRID
2003Jul72.2°F72.2°F+0.0°NCLIMGRID
2003Aug73.0°F70.3°F+2.7°NCLIMGRID
2003Sep63.4°F61.6°F+1.8°NCLIMGRID
2003Oct48.8°F50.5°F-1.7°NCLIMGRID
2003Nov43.4°F40.5°F+2.9°NCLIMGRID
2003Dec31.7°F28.7°F+2.9°NCLIMGRID
2004Jan17.8°F23.4°F-5.6°NCLIMGRID
2004Feb28.1°F26.4°F+1.7°NCLIMGRID
2004Mar38.2°F36.0°F+2.2°NCLIMGRID
2004Apr48.8°F47.3°F+1.5°NCLIMGRID
2004May61.0°F58.3°F+2.7°NCLIMGRID
2004Jun65.8°F66.9°F-1.1°NCLIMGRID
2004Jul70.8°F72.2°F-1.4°NCLIMGRID
2004Aug70.4°F70.3°F+0.1°NCLIMGRID
2004Sep64.1°F61.6°F+2.5°NCLIMGRID
2004Oct50.6°F50.5°F+0.1°NCLIMGRID
2004Nov41.3°F40.5°F+0.8°NCLIMGRID
2004Dec29.5°F28.7°F+0.8°NCLIMGRID
2005Jan23.0°F23.4°F-0.4°NCLIMGRID
2005Feb29.3°F26.4°F+2.9°NCLIMGRID
2005Mar32.2°F36.0°F-3.8°NCLIMGRID
2005Apr50.3°F47.3°F+3.0°NCLIMGRID
2005May53.9°F58.3°F-4.3°NCLIMGRID
2005Jun71.3°F66.9°F+4.4°NCLIMGRID
2005Jul73.5°F72.2°F+1.3°NCLIMGRID
2005Aug73.9°F70.3°F+3.6°NCLIMGRID
2005Sep66.4°F61.6°F+4.8°NCLIMGRID
2005Oct52.4°F50.5°F+2.0°NCLIMGRID
2005Nov41.5°F40.5°F+1.0°NCLIMGRID
2005Dec27.1°F28.7°F-1.6°NCLIMGRID
2006Jan32.2°F23.4°F+8.8°NCLIMGRID
2006Feb28.9°F26.4°F+2.5°NCLIMGRID
2006Mar36.7°F36.0°F+0.7°NCLIMGRID
2006Apr49.7°F47.3°F+2.4°NCLIMGRID
2006May58.1°F58.3°F-0.2°NCLIMGRID
2006Jun67.9°F66.9°F+1.1°NCLIMGRID
2006Jul75.4°F72.2°F+3.2°NCLIMGRID
2006Aug70.6°F70.3°F+0.3°NCLIMGRID
2006Sep61.7°F61.6°F+0.1°NCLIMGRID
2006Oct50.6°F50.5°F+0.1°NCLIMGRID
2006Nov46.3°F40.5°F+5.8°NCLIMGRID
2006Dec36.8°F28.7°F+8.1°NCLIMGRID
2007Jan30.3°F23.4°F+6.9°NCLIMGRID
2007Feb22.6°F26.4°F-3.8°NCLIMGRID
2007Mar34.6°F36.0°F-1.4°NCLIMGRID
2007Apr45.2°F47.3°F-2.1°NCLIMGRID
2007May61.1°F58.3°F+2.8°NCLIMGRID
2007Jun67.6°F66.9°F+0.8°NCLIMGRID
2007Jul71.8°F72.2°F-0.4°NCLIMGRID
2007Aug71.2°F70.3°F+0.9°NCLIMGRID
2007Sep65.4°F61.6°F+3.7°NCLIMGRID
2007Oct57.6°F50.5°F+7.1°NCLIMGRID
2007Nov39.1°F40.5°F-1.4°NCLIMGRID
2007Dec28.9°F28.7°F+0.2°NCLIMGRID
2008Jan27.8°F23.4°F+4.4°NCLIMGRID
2008Feb28.3°F26.4°F+1.9°NCLIMGRID
2008Mar36.0°F36.0°F-0.1°NCLIMGRID
2008Apr50.5°F47.3°F+3.2°NCLIMGRID
2008May56.4°F58.3°F-1.9°NCLIMGRID
2008Jun69.4°F66.9°F+2.6°NCLIMGRID
2008Jul74.0°F72.2°F+1.8°NCLIMGRID
2008Aug68.7°F70.3°F-1.6°NCLIMGRID
2008Sep64.1°F61.6°F+2.5°NCLIMGRID
2008Oct49.8°F50.5°F-0.7°NCLIMGRID
2008Nov40.3°F40.5°F-0.3°NCLIMGRID
2008Dec31.2°F28.7°F+2.5°NCLIMGRID
2009Jan20.0°F23.4°F-3.4°NCLIMGRID
2009Feb29.6°F26.4°F+3.2°NCLIMGRID
2009Mar36.9°F36.0°F+0.9°NCLIMGRID
2009Apr50.2°F47.3°F+2.9°NCLIMGRID
2009May58.6°F58.3°F+0.3°NCLIMGRID
2009Jun65.5°F66.9°F-1.4°NCLIMGRID
2009Jul69.2°F72.2°F-3.0°NCLIMGRID
2009Aug72.3°F70.3°F+2.0°NCLIMGRID
2009Sep61.3°F61.6°F-0.3°NCLIMGRID
2009Oct49.2°F50.5°F-1.3°NCLIMGRID
2009Nov45.7°F40.5°F+5.2°NCLIMGRID
2009Dec29.4°F28.7°F+0.7°NCLIMGRID
2010Jan26.8°F23.4°F+3.4°NCLIMGRID
2010Feb30.0°F26.4°F+3.6°NCLIMGRID
2010Mar43.1°F36.0°F+7.1°NCLIMGRID
2010Apr52.7°F47.3°F+5.4°NCLIMGRID
2010May62.2°F58.3°F+3.9°NCLIMGRID
2010Jun69.2°F66.9°F+2.3°NCLIMGRID
2010Jul75.9°F72.2°F+3.7°NCLIMGRID
2010Aug72.1°F70.3°F+1.8°NCLIMGRID
2010Sep66.4°F61.6°F+4.7°NCLIMGRID
2010Oct52.1°F50.5°F+1.6°NCLIMGRID
2010Nov41.4°F40.5°F+0.9°NCLIMGRID
2010Dec27.8°F28.7°F-1.0°NCLIMGRID
2011Jan22.0°F23.4°F-1.4°NCLIMGRID
2011Feb25.9°F26.4°F-0.5°NCLIMGRID
2011Mar36.1°F36.0°F+0.1°NCLIMGRID
2011Apr49.3°F47.3°F+2.0°NCLIMGRID
2011May61.4°F58.3°F+3.1°NCLIMGRID
2011Jun67.6°F66.9°F+0.7°NCLIMGRID
2011Jul74.7°F72.2°F+2.5°NCLIMGRID
2011Aug70.9°F70.3°F+0.6°NCLIMGRID
2011Sep66.6°F61.6°F+5.0°NCLIMGRID
2011Oct53.0°F50.5°F+2.5°NCLIMGRID
2011Nov45.2°F40.5°F+4.7°NCLIMGRID
2011Dec36.1°F28.7°F+7.4°NCLIMGRID
2012Jan30.6°F23.4°F+7.2°NCLIMGRID
2012Feb34.6°F26.4°F+8.2°NCLIMGRID
2012Mar46.0°F36.0°F+10.0°NCLIMGRID
2012Apr50.2°F47.3°F+2.9°NCLIMGRID
2012May63.0°F58.3°F+4.7°NCLIMGRID
2012Jun67.2°F66.9°F+0.4°NCLIMGRID
2012Jul75.0°F72.2°F+2.8°NCLIMGRID
2012Aug72.6°F70.3°F+2.3°NCLIMGRID
2012Sep63.1°F61.6°F+1.5°NCLIMGRID
2012Oct54.1°F50.5°F+3.7°NCLIMGRID
2012Nov39.0°F40.5°F-1.5°NCLIMGRID
2012Dec34.4°F28.7°F+5.7°NCLIMGRID
2013Jan27.6°F23.4°F+4.2°NCLIMGRID
2013Feb28.8°F26.4°F+2.4°NCLIMGRID
2013Mar35.9°F36.0°F-0.1°NCLIMGRID
2013Apr47.6°F47.3°F+0.3°NCLIMGRID
2013May59.4°F58.3°F+1.1°NCLIMGRID
2013Jun68.2°F66.9°F+1.3°NCLIMGRID
2013Jul76.8°F72.2°F+4.6°NCLIMGRID
2013Aug69.5°F70.3°F-0.8°NCLIMGRID
2013Sep61.5°F61.6°F-0.1°NCLIMGRID
2013Oct52.4°F50.5°F+1.9°NCLIMGRID
2013Nov38.8°F40.5°F-1.7°NCLIMGRID
2013Dec29.4°F28.7°F+0.6°NCLIMGRID
2014Jan23.0°F23.4°F-0.4°NCLIMGRID
2014Feb23.6°F26.4°F-2.8°NCLIMGRID
2014Mar29.9°F36.0°F-6.2°NCLIMGRID
2014Apr47.5°F47.3°F+0.2°NCLIMGRID
2014May59.4°F58.3°F+1.1°NCLIMGRID
2014Jun68.2°F66.9°F+1.3°NCLIMGRID
2014Jul72.7°F72.2°F+0.5°NCLIMGRID
2014Aug68.9°F70.3°F-1.4°NCLIMGRID
2014Sep63.8°F61.6°F+2.2°NCLIMGRID
2014Oct53.7°F50.5°F+3.3°NCLIMGRID
2014Nov39.1°F40.5°F-1.4°NCLIMGRID
2014Dec34.4°F28.7°F+5.6°NCLIMGRID
2015Jan21.5°F23.4°F-1.9°NCLIMGRID
2015Feb14.9°F26.4°F-11.5°NCLIMGRID
2015Mar30.6°F36.0°F-5.4°NCLIMGRID
2015Apr47.5°F47.3°F+0.2°NCLIMGRID
2015May64.6°F58.3°F+6.3°NCLIMGRID
2015Jun65.8°F66.9°F-1.1°NCLIMGRID
2015Jul72.4°F72.2°F+0.1°NCLIMGRID
2015Aug72.3°F70.3°F+2.0°NCLIMGRID
2015Sep67.6°F61.6°F+6.0°NCLIMGRID
2015Oct50.3°F50.5°F-0.1°NCLIMGRID
2015Nov45.2°F40.5°F+4.7°NCLIMGRID
2015Dec41.9°F28.7°F+13.2°NCLIMGRID
2016Jan28.9°F23.4°F+5.5°NCLIMGRID
2016Feb30.5°F26.4°F+4.1°NCLIMGRID
2016Mar42.7°F36.0°F+6.7°NCLIMGRID
2016Apr46.6°F47.3°F-0.7°NCLIMGRID
2016May59.0°F58.3°F+0.7°NCLIMGRID
2016Jun67.6°F66.9°F+0.8°NCLIMGRID
2016Jul74.7°F72.2°F+2.5°NCLIMGRID
2016Aug74.3°F70.3°F+4.0°NCLIMGRID
2016Sep66.0°F61.6°F+4.4°NCLIMGRID
2016Oct52.2°F50.5°F+1.7°NCLIMGRID
2016Nov42.2°F40.5°F+1.7°NCLIMGRID
2016Dec30.5°F28.7°F+1.8°NCLIMGRID
2017Jan31.2°F23.4°F+7.8°NCLIMGRID
2017Feb33.3°F26.4°F+6.9°NCLIMGRID
2017Mar31.9°F36.0°F-4.1°NCLIMGRID
2017Apr51.9°F47.3°F+4.6°NCLIMGRID
2017May56.9°F58.3°F-1.4°NCLIMGRID
2017Jun67.2°F66.9°F+0.3°NCLIMGRID
2017Jul71.9°F72.2°F-0.4°NCLIMGRID
2017Aug69.2°F70.3°F-1.1°NCLIMGRID
2017Sep66.3°F61.6°F+4.7°NCLIMGRID
2017Oct58.1°F50.5°F+7.6°NCLIMGRID
2017Nov39.5°F40.5°F-1.0°NCLIMGRID
2017Dec26.3°F28.7°F-2.4°NCLIMGRID
2018Jan24.3°F23.4°F+0.9°NCLIMGRID
2018Feb34.3°F26.4°F+7.9°NCLIMGRID
2018Mar36.1°F36.0°F+0.0°NCLIMGRID
2018Apr42.5°F47.3°F-4.8°NCLIMGRID
2018May63.1°F58.3°F+4.8°NCLIMGRID
2018Jun66.4°F66.9°F-0.4°NCLIMGRID
2018Jul74.7°F72.2°F+2.5°NCLIMGRID
2018Aug74.6°F70.3°F+4.3°NCLIMGRID
2018Sep66.0°F61.6°F+4.4°NCLIMGRID
2018Oct51.2°F50.5°F+0.7°NCLIMGRID
2018Nov37.4°F40.5°F-3.1°NCLIMGRID
2018Dec32.1°F28.7°F+3.4°NCLIMGRID
2019Jan25.2°F23.4°F+1.8°NCLIMGRID
2019Feb29.0°F26.4°F+2.6°NCLIMGRID
2019Mar34.6°F36.0°F-1.4°NCLIMGRID
2019Apr49.0°F47.3°F+1.7°NCLIMGRID
2019May58.0°F58.3°F-0.3°NCLIMGRID
2019Jun67.2°F66.9°F+0.3°NCLIMGRID
2019Jul76.0°F72.2°F+3.8°NCLIMGRID
2019Aug71.1°F70.3°F+0.8°NCLIMGRID
2019Sep63.1°F61.6°F+1.5°NCLIMGRID
2019Oct53.0°F50.5°F+2.5°NCLIMGRID
2019Nov37.4°F40.5°F-3.1°NCLIMGRID
2019Dec30.1°F28.7°F+1.3°NCLIMGRID
2020Jan31.7°F23.4°F+8.3°NCLIMGRID
2020Feb32.6°F26.4°F+6.2°NCLIMGRID
2020Mar41.1°F36.0°F+5.0°NCLIMGRID
2020Apr44.6°F47.3°F-2.7°NCLIMGRID
2020May57.4°F58.3°F-0.9°NCLIMGRID
2020Jun69.3°F66.9°F+2.5°NCLIMGRID
2020Jul76.5°F72.2°F+4.3°NCLIMGRID
2020Aug73.0°F70.3°F+2.7°NCLIMGRID
2020Sep63.7°F61.6°F+2.0°NCLIMGRID
2020Oct52.6°F50.5°F+2.1°NCLIMGRID
2020Nov44.6°F40.5°F+4.1°NCLIMGRID
2020Dec32.7°F28.7°F+4.0°NCLIMGRID
2021Jan28.0°F23.4°F+4.6°NCLIMGRID
2021Feb27.6°F26.4°F+1.2°NCLIMGRID
2021Mar39.4°F36.0°F+3.4°NCLIMGRID
2021Apr49.5°F47.3°F+2.2°NCLIMGRID
2021May58.9°F58.3°F+0.6°NCLIMGRID
2021Jun70.7°F66.9°F+3.8°NCLIMGRID
2021Jul71.5°F72.2°F-0.7°NCLIMGRID
2021Aug73.7°F70.3°F+3.4°NCLIMGRID
2021Sep65.3°F61.6°F+3.7°NCLIMGRID
2021Oct56.3°F50.5°F+5.8°NCLIMGRID
2021Nov40.3°F40.5°F-0.2°NCLIMGRID
2021Dec36.1°F28.7°F+7.4°NCLIMGRID
2022Jan23.0°F23.4°F-0.4°NCLIMGRID
2022Feb30.2°F26.4°F+3.8°NCLIMGRID
2022Mar38.6°F36.0°F+2.6°NCLIMGRID
2022Apr47.9°F47.3°F+0.6°NCLIMGRID
2022May62.1°F58.3°F+3.8°NCLIMGRID
2022Jun67.2°F66.9°F+0.4°NCLIMGRID
2022Jul74.7°F72.2°F+2.5°NCLIMGRID
2022Aug75.3°F70.3°F+5.0°NCLIMGRID
2022Sep63.5°F61.6°F+1.9°NCLIMGRID
2022Oct52.1°F50.5°F+1.6°NCLIMGRID
2022Nov44.5°F40.5°F+4.0°NCLIMGRID
2022Dec32.4°F28.7°F+3.6°NCLIMGRID
2023Jan35.4°F23.4°F+12.0°NCLIMGRID
2023Feb32.6°F26.4°F+6.2°NCLIMGRID
2023Mar38.2°F36.0°F+2.2°NCLIMGRID
2023Apr51.7°F47.3°F+4.4°NCLIMGRID
2023May57.7°F58.3°F-0.6°NCLIMGRID
2023Jun66.4°F66.9°F-0.4°NCLIMGRID
2023Jul75.4°F72.2°F+3.2°NCLIMGRID
2023Aug69.8°F70.3°F-0.5°NCLIMGRID
2023Sep65.6°F61.6°F+4.0°NCLIMGRID
2023Oct56.2°F50.5°F+5.8°NCLIMGRID
2023Nov38.6°F40.5°F-1.9°NCLIMGRID
2023Dec37.7°F28.7°F+9.0°NCLIMGRID
2024Jan30.1°F23.4°F+6.7°NCLIMGRID
2024Feb33.4°F26.4°F+7.0°NCLIMGRID
2024Mar41.8°F36.0°F+5.8°NCLIMGRID
2024Apr48.7°F47.3°F+1.4°NCLIMGRID
2024May62.6°F58.3°F+4.3°NCLIMGRID
2024Jun70.6°F66.9°F+3.7°NCLIMGRID
2024Jul75.5°F72.2°F+3.3°NCLIMGRID
2024Aug70.8°F70.3°F+0.5°NCLIMGRID
2024Sep64.1°F61.6°F+2.5°NCLIMGRID
2024Oct53.5°F50.5°F+3.0°NCLIMGRID
2024Nov45.6°F40.5°F+5.1°NCLIMGRID
2024Dec30.0°F28.7°F+1.3°NCLIMGRID
2025Jan25.1°F23.4°F+1.7°NCLIMGRID
2025Feb27.5°F26.4°F+1.1°NCLIMGRID
2025Mar41.1°F36.0°F+5.0°NCLIMGRID
2025Apr49.9°F47.3°F+2.6°NCLIMGRID
2025May59.9°F58.3°F+1.6°NCLIMGRID
2025Jun69.7°F66.9°F+2.9°NCLIMGRID
2025Jul75.7°F72.2°F+3.5°NCLIMGRID
2025Aug68.7°F70.3°F-1.6°NCLIMGRID
2025Sep64.7°F61.6°F+3.1°NCLIMGRID
2025Oct52.7°F50.5°F+2.2°NCLIMGRID
2025Nov39.9°F40.5°F-0.6°NCLIMGRID
2025Dec27.1°F28.7°F-1.7°NCLIMGRID
2026Jan23.0°F23.4°F-0.4°NCLIMGRID
2026Feb24.3°F26.4°F-2.1°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
January23.4°F26/26
February26.4°F26/26
March36.0°F26/26
April47.3°F26/26
May58.3°F26/26
June66.9°F26/26
July72.2°F26/26
August70.3°F26/26
September61.6°F26/26
October50.5°F26/26
November40.5°F26/26
December28.7°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 Southwick, Massachusetts getting warmer?

Based on 96+ years of NOAA temperature records, Southwick has warmed at a rate of approximately 0.29°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 Southwick?

The warmest year on record in Southwick was 2012, based on average annual temperature anomaly from NOAA station data.

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

How are the climate visualizations for Southwick created?

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

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

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

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