Climate Change in Bethlehem, Indiana

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

Based on our analysis of 96 years of temperature data near Bethlehem, IN, this area shows a warming trend of approximately +0.2°F per decade. 10 of the last 10 years recorded above-average temperatures, and 2024 was the warmest year on record at +4.0°F above the historical baseline.

Key Climate Facts

Rate of Change

+0.2°F

per decade

Warmest Year

2024

+4.0°F anomaly

Recent Warm Years

10 / 10

above-average years

Decade Shift

+1.5°F

2020s vs 1930s

Compared to the National Average

Bethlehem is warming at roughly the national average rate.

National: +0.20°F/decade
Bethlehem: +0.18°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 Bethlehem's long-term warming trend.

Temperature anomaly spiral for Bethlehem, Indiana
Climate spiral: monthly temperature anomalies from 96+ years of NOAA records for Bethlehem, IN.

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 Bethlehem, Indiana
Warming stripes: each stripe is one year of average temperature anomaly for Bethlehem, IN.

Temperature Trend

Annual temperature anomalies plotted over time with a linear regression trend line. The slope of +0.18°F per decade quantifies the rate of change.

Temperature trend chart for Bethlehem, Indiana
Linear trend: annual temperature anomalies with trend line for Bethlehem, IN.

Temperature by Decade

1930s
+1.00°F
1940s
+0.45°F
1950s
+0.39°F
1960s
-0.63°F
1970s
-0.23°F
1980s
+0.11°F
1990s
+0.92°F
2000s
+1.32°F
2010s
+2.01°F
2020s
+2.40°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 Bethlehem, IN. Filter by decade or download as CSV.

Data Sources & Audit

Station
nClimGrid 5km Grid Point
Distance
1.7 mi
Coverage
99.1%
Records
1,154
Range
1930-01 – 2026-02
Full Data Audit 1,154 records
YearMonthTempBaselineAnomalySourceGap
1930Jan30.3°F29.3°F+1.0°NCLIMGRID
1930Feb42.3°F33.3°F+9.0°NCLIMGRID
1930Mar41.0°F44.3°F-3.3°NCLIMGRID
1930Apr56.3°F54.4°F+1.9°NCLIMGRID
1930May65.1°F63.6°F+1.5°NCLIMGRID
1930Jun71.9°F72.2°F-0.3°NCLIMGRID
1930Jul80.0°F76.2°F+3.7°NCLIMGRID
1930Aug75.9°F74.3°F+1.6°NCLIMGRID
1930Sep69.8°F67.5°F+2.3°NCLIMGRID
1930Oct52.8°F55.4°F-2.6°NCLIMGRID
1930Nov43.9°F44.8°F-0.9°NCLIMGRID
1930Dec32.3°F35.0°F-2.7°NCLIMGRID
1931Jan33.8°F29.3°F+4.5°NCLIMGRID
1931Feb38.0°F33.3°F+4.7°NCLIMGRID
1931Mar38.1°F44.3°F-6.2°NCLIMGRID
1931Apr53.2°F54.4°F-1.1°NCLIMGRID
1931May61.2°F63.6°F-2.5°NCLIMGRID
1931Jun74.3°F72.2°F+2.2°NCLIMGRID
1931Jul79.3°F76.2°F+3.1°NCLIMGRID
1931Aug74.4°F74.3°F+0.1°NCLIMGRID
1931Sep73.1°F67.5°F+5.6°NCLIMGRID
1931Oct58.7°F55.4°F+3.3°NCLIMGRID
1931Nov51.8°F44.8°F+7.0°NCLIMGRID
1931Dec41.7°F35.0°F+6.7°NCLIMGRID
1932Jan39.9°F29.3°F+10.6°NCLIMGRID
1932Feb42.4°F33.3°F+9.0°NCLIMGRID
1932Mar36.9°F44.3°F-7.4°NCLIMGRID
1932Apr53.2°F54.4°F-1.2°NCLIMGRID
1932May63.8°F63.6°F+0.1°NCLIMGRID
1932Jun73.0°F72.2°F+0.8°NCLIMGRID
1932Jul77.7°F76.2°F+1.5°NCLIMGRID
1932Aug74.7°F74.3°F+0.4°NCLIMGRID
1932Sep67.8°F67.5°F+0.3°NCLIMGRID
1932Oct54.7°F55.4°F-0.7°NCLIMGRID
1932Nov40.9°F44.8°F-3.9°NCLIMGRID
1932Dec33.8°F35.0°F-1.2°NCLIMGRID
1933Jan39.4°F29.3°F+10.1°NCLIMGRID
1933Feb34.2°F33.3°F+0.8°NCLIMGRID
1933Mar42.5°F44.3°F-1.8°NCLIMGRID
1933Apr52.8°F54.4°F-1.6°NCLIMGRID
1933May66.8°F63.6°F+3.2°NCLIMGRID
1933Jun76.7°F72.2°F+4.5°NCLIMGRID
1933Jul76.9°F76.2°F+0.7°NCLIMGRID
1933Aug74.2°F74.3°F-0.1°NCLIMGRID
1933Sep73.4°F67.5°F+5.9°NCLIMGRID
1933Oct54.6°F55.4°F-0.8°NCLIMGRID
1933Nov42.1°F44.8°F-2.7°NCLIMGRID
1933Dec39.2°F35.0°F+4.2°NCLIMGRID
1934Jan36.0°F29.3°F+6.7°NCLIMGRID
1934Feb27.2°F33.3°F-6.1°NCLIMGRID
1934Mar40.1°F44.3°F-4.1°NCLIMGRID
1934Apr54.2°F54.4°F-0.1°NCLIMGRID
1934May66.9°F63.6°F+3.2°NCLIMGRID
1934Jun76.6°F72.2°F+4.4°NCLIMGRID
1934Jul80.7°F76.2°F+4.5°NCLIMGRID
1934Aug74.7°F74.3°F+0.3°NCLIMGRID
1934Sep67.5°F67.5°F+0.0°NCLIMGRID
1934Oct57.1°F55.4°F+1.7°NCLIMGRID
1934Nov47.5°F44.8°F+2.7°NCLIMGRID
1934Dec33.0°F35.0°F-2.0°NCLIMGRID
1935Jan33.2°F29.3°F+3.9°NCLIMGRID
1935Feb36.2°F33.3°F+2.8°NCLIMGRID
1935Mar50.5°F44.3°F+6.2°NCLIMGRID
1935Apr51.1°F54.4°F-3.3°NCLIMGRID
1935May60.5°F63.6°F-3.1°NCLIMGRID
1935Jun67.9°F72.2°F-4.3°NCLIMGRID
1935Jul77.9°F76.2°F+1.6°NCLIMGRID
1935Aug75.3°F74.3°F+1.0°NCLIMGRID
1935Sep66.2°F67.5°F-1.3°NCLIMGRID
1935Oct57.1°F55.4°F+1.6°NCLIMGRID
1935Nov44.2°F44.8°F-0.6°NCLIMGRID
1935Dec26.2°F35.0°F-8.7°NCLIMGRID
1936Jan24.4°F29.3°F-4.9°NCLIMGRID
1936Feb27.4°F33.3°F-6.0°NCLIMGRID
1936Mar47.7°F44.3°F+3.4°NCLIMGRID
1936Apr49.4°F54.4°F-4.9°NCLIMGRID
1936May66.8°F63.6°F+3.2°NCLIMGRID
1936Jun74.2°F72.2°F+2.0°NCLIMGRID
1936Jul82.0°F76.2°F+5.8°NCLIMGRID
1936Aug80.9°F74.3°F+6.6°NCLIMGRID
1936Sep72.4°F67.5°F+4.9°NCLIMGRID
1936Oct55.5°F55.4°F+0.1°NCLIMGRID
1936Nov39.4°F44.8°F-5.4°NCLIMGRID
1936Dec36.1°F35.0°F+1.1°NCLIMGRID
1937Jan37.6°F29.3°F+8.3°NCLIMGRID
1937Feb34.2°F33.3°F+0.9°NCLIMGRID
1937Mar38.5°F44.3°F-5.8°NCLIMGRID
1937Apr53.2°F54.4°F-1.2°NCLIMGRID
1937May63.6°F63.6°F+0.0°NCLIMGRID
1937Jun72.7°F72.2°F+0.5°NCLIMGRID
1937Jul74.7°F76.2°F-1.6°NCLIMGRID
1937Aug77.0°F74.3°F+2.7°NCLIMGRID
1937Sep65.7°F67.5°F-1.8°NCLIMGRID
1937Oct53.5°F55.4°F-1.9°NCLIMGRID
1937Nov40.3°F44.8°F-4.5°NCLIMGRID
1937Dec31.7°F35.0°F-3.3°NCLIMGRID
1938Jan31.8°F29.3°F+2.5°NCLIMGRID
1938Feb41.7°F33.3°F+8.4°NCLIMGRID
1938Mar49.2°F44.3°F+4.9°NCLIMGRID
1938Apr56.8°F54.4°F+2.4°NCLIMGRID
1938May65.0°F63.6°F+1.4°NCLIMGRID
1938Jun71.0°F72.2°F-1.2°NCLIMGRID
1938Jul76.9°F76.2°F+0.7°NCLIMGRID
1938Aug76.7°F74.3°F+2.3°NCLIMGRID
1938Sep69.6°F67.5°F+2.1°NCLIMGRID
1938Oct57.8°F55.4°F+2.4°NCLIMGRID
1938Nov45.8°F44.8°F+1.0°NCLIMGRID
1938Dec34.6°F35.0°F-0.3°NCLIMGRID
1939Jan36.4°F29.3°F+7.1°NCLIMGRID
1939Feb35.7°F33.3°F+2.3°NCLIMGRID
1939Mar46.3°F44.3°F+2.0°NCLIMGRID
1939Apr51.7°F54.4°F-2.7°NCLIMGRID
1939May65.6°F63.6°F+2.0°NCLIMGRID
1939Jun74.1°F72.2°F+1.9°NCLIMGRID
1939Jul76.0°F76.2°F-0.2°NCLIMGRID
1939Aug74.9°F74.3°F+0.6°NCLIMGRID
1939Sep73.5°F67.5°F+6.0°NCLIMGRID
1939Oct58.7°F55.4°F+3.3°NCLIMGRID
1939Nov41.0°F44.8°F-3.8°NCLIMGRID
1939Dec35.9°F35.0°F+0.9°NCLIMGRID
1940Jan16.8°F29.3°F-12.5°NCLIMGRID
1940Feb32.5°F33.3°F-0.9°NCLIMGRID
1940Mar41.2°F44.3°F-3.1°NCLIMGRID
1940Apr51.0°F54.4°F-3.4°NCLIMGRID
1940May59.9°F63.6°F-3.8°NCLIMGRID
1940Jun71.8°F72.2°F-0.3°NCLIMGRID
1940Jul75.7°F76.2°F-0.5°NCLIMGRID
1940Aug76.2°F74.3°F+1.9°NCLIMGRID
1940Sep64.9°F67.5°F-2.6°NCLIMGRID
1940Oct58.5°F55.4°F+3.0°NCLIMGRID
1940Nov42.5°F44.8°F-2.2°NCLIMGRID
1940Dec39.3°F35.0°F+4.3°NCLIMGRID
1941Jan32.4°F29.3°F+3.1°NCLIMGRID
1941Feb30.1°F33.3°F-3.3°NCLIMGRID
1941Mar37.9°F44.3°F-6.4°NCLIMGRID
1941Apr57.5°F54.4°F+3.1°NCLIMGRID
1941May66.4°F63.6°F+2.8°NCLIMGRID
1941Jun73.2°F72.2°F+1.0°NCLIMGRID
1941Jul77.2°F76.2°F+1.0°NCLIMGRID
1941Aug75.9°F74.3°F+1.6°NCLIMGRID
1941Sep71.6°F67.5°F+4.1°NCLIMGRID
1941Oct60.9°F55.4°F+5.4°NCLIMGRID
1941Nov43.8°F44.8°F-0.9°NCLIMGRID
1941Dec38.8°F35.0°F+3.9°NCLIMGRID
1942Jan29.1°F29.3°F-0.2°NCLIMGRID
1942Feb30.1°F33.3°F-3.2°NCLIMGRID
1942Mar45.8°F44.3°F+1.6°NCLIMGRID
1942Apr56.2°F54.4°F+1.9°NCLIMGRID
1942May64.1°F63.6°F+0.5°NCLIMGRID
1942Jun73.6°F72.2°F+1.4°NCLIMGRID
1942Jul77.3°F76.2°F+1.1°NCLIMGRID
1942Aug74.4°F74.3°F+0.1°NCLIMGRID
1942Sep67.1°F67.5°F-0.4°NCLIMGRID
1942Oct56.4°F55.4°F+1.0°NCLIMGRID
1942Nov46.9°F44.8°F+2.1°NCLIMGRID
1942Dec31.7°F35.0°F-3.2°NCLIMGRID
1943Jan33.6°F29.3°F+4.3°NCLIMGRID
1943Feb36.1°F33.3°F+2.8°NCLIMGRID
1943Mar39.8°F44.3°F-4.5°NCLIMGRID
1943Apr51.9°F54.4°F-2.5°NCLIMGRID
1943May65.8°F63.6°F+2.2°NCLIMGRID
1943Jun76.7°F72.2°F+4.5°NCLIMGRID
1943Jul77.7°F76.2°F+1.5°NCLIMGRID
1943Aug77.4°F74.3°F+3.1°NCLIMGRID
1943Sep65.0°F67.5°F-2.5°NCLIMGRID
1943Oct55.3°F55.4°F-0.2°NCLIMGRID
1943Nov41.7°F44.8°F-3.1°NCLIMGRID
1943Dec31.5°F35.0°F-3.5°NCLIMGRID
1944Jan33.6°F29.3°F+4.3°NCLIMGRID
1944Feb38.2°F33.3°F+4.9°NCLIMGRID
1944Mar41.5°F44.3°F-2.8°NCLIMGRID
1944Apr53.7°F54.4°F-0.6°NCLIMGRID
1944May69.9°F63.6°F+6.3°NCLIMGRID
1944Jun76.8°F72.2°F+4.7°NCLIMGRID
1944Jul77.0°F76.2°F+0.8°NCLIMGRID
1944Aug75.8°F74.3°F+1.5°NCLIMGRID
1944Sep67.5°F67.5°F+0.0°NCLIMGRID
1944Oct55.8°F55.4°F+0.4°NCLIMGRID
1944Nov44.4°F44.8°F-0.4°NCLIMGRID
1944Dec29.2°F35.0°F-5.8°NCLIMGRID
1945Jan26.5°F29.3°F-2.7°NCLIMGRID
1945Feb34.0°F33.3°F+0.7°NCLIMGRID
1945Mar53.1°F44.3°F+8.8°NCLIMGRID
1945Apr55.7°F54.4°F+1.4°NCLIMGRID
1945May60.1°F63.6°F-3.5°NCLIMGRID
1945Jun70.3°F72.2°F-1.8°NCLIMGRID
1945Jul74.2°F76.2°F-2.0°NCLIMGRID
1945Aug74.1°F74.3°F-0.3°NCLIMGRID
1945Sep71.1°F67.5°F+3.6°NCLIMGRID
1945Oct54.0°F55.4°F-1.4°NCLIMGRID
1945Nov45.1°F44.8°F+0.3°NCLIMGRID
1945Dec27.6°F35.0°F-7.4°NCLIMGRID
1946Jan33.2°F29.3°F+3.9°NCLIMGRID
1946Feb37.5°F33.3°F+4.2°NCLIMGRID
1946Mar53.8°F44.3°F+9.5°NCLIMGRID
1946Apr56.4°F54.4°F+2.0°NCLIMGRID
1946May62.2°F63.6°F-1.4°NCLIMGRID
1946Jun72.5°F72.2°F+0.3°NCLIMGRID
1946Jul75.3°F76.2°F-1.0°NCLIMGRID
1946Aug69.7°F74.3°F-4.6°NCLIMGRID
1946Sep67.1°F67.5°F-0.4°NCLIMGRID
1946Oct57.9°F55.4°F+2.5°NCLIMGRID
1946Nov48.3°F44.8°F+3.5°NCLIMGRID
1946Dec38.5°F35.0°F+3.5°NCLIMGRID
1947Jan36.6°F29.3°F+7.3°NCLIMGRID
1947Feb26.5°F33.3°F-6.9°NCLIMGRID
1947Mar35.5°F44.3°F-8.8°NCLIMGRID
1947Apr54.9°F54.4°F+0.5°NCLIMGRID
1947May60.9°F63.6°F-2.7°NCLIMGRID
1947Jun70.5°F72.2°F-1.6°NCLIMGRID
1947Jul71.1°F76.2°F-5.1°NCLIMGRID
1947Aug80.0°F74.3°F+5.7°NCLIMGRID
1947Sep69.3°F67.5°F+1.8°NCLIMGRID
1947Oct63.4°F55.4°F+7.9°NCLIMGRID
1947Nov41.4°F44.8°F-3.4°NCLIMGRID
1947Dec34.6°F35.0°F-0.4°NCLIMGRID
1948Jan23.4°F29.3°F-5.9°NCLIMGRID
1948Feb34.4°F33.3°F+1.1°NCLIMGRID
1948Mar46.5°F44.3°F+2.3°NCLIMGRID
1948Apr57.7°F54.4°F+3.3°NCLIMGRID
1948May63.2°F63.6°F-0.4°NCLIMGRID
1948Jun73.0°F72.2°F+0.8°NCLIMGRID
1948Jul76.4°F76.2°F+0.2°NCLIMGRID
1948Aug74.5°F74.3°F+0.2°NCLIMGRID
1948Sep69.5°F67.5°F+2.0°NCLIMGRID
1948Oct53.5°F55.4°F-1.9°NCLIMGRID
1948Nov47.0°F44.8°F+2.2°NCLIMGRID
1948Dec37.2°F35.0°F+2.2°NCLIMGRID
1949Jan39.3°F29.3°F+10.0°NCLIMGRID
1949Feb38.3°F33.3°F+5.0°NCLIMGRID
1949Mar43.2°F44.3°F-1.1°NCLIMGRID
1949Apr52.1°F54.4°F-2.3°NCLIMGRID
1949May65.2°F63.6°F+1.6°NCLIMGRID
1949Jun74.2°F72.2°F+2.0°NCLIMGRID
1949Jul80.1°F76.2°F+3.8°NCLIMGRID
1949Aug75.5°F74.3°F+1.2°NCLIMGRID
1949Sep62.8°F67.5°F-4.7°NCLIMGRID
1949Oct60.4°F55.4°F+4.9°NCLIMGRID
1949Nov43.4°F44.8°F-1.3°NCLIMGRID
1949Dec37.9°F35.0°F+2.9°NCLIMGRID
1950Jan41.2°F29.3°F+11.9°NCLIMGRID
1950Feb36.0°F33.3°F+2.6°NCLIMGRID
1950Mar40.2°F44.3°F-4.1°NCLIMGRID
1950Apr49.2°F54.4°F-5.2°NCLIMGRID
1950May65.0°F63.6°F+1.4°NCLIMGRID
1950Jun71.0°F72.2°F-1.2°NCLIMGRID
1950Jul73.5°F76.2°F-2.7°NCLIMGRID
1950Aug71.6°F74.3°F-2.7°NCLIMGRID
1950Sep65.8°F67.5°F-1.7°NCLIMGRID
1950Oct60.2°F55.4°F+4.8°NCLIMGRID
1950Nov38.6°F44.8°F-6.2°NCLIMGRID
1950Dec27.7°F35.0°F-7.3°NCLIMGRID
1951Jan33.2°F29.3°F+3.9°NCLIMGRID
1951Feb32.9°F33.3°F-0.4°NCLIMGRID
1951Mar40.3°F44.3°F-4.0°NCLIMGRID
1951Apr51.0°F54.4°F-3.4°NCLIMGRID
1951May64.9°F63.6°F+1.3°NCLIMGRID
1951Jun72.2°F72.2°F+0.1°NCLIMGRID
1951Jul76.0°F76.2°F-0.2°NCLIMGRID
1951Aug74.8°F74.3°F+0.5°NCLIMGRID
1951Sep66.1°F67.5°F-1.4°NCLIMGRID
1951Oct57.7°F55.4°F+2.2°NCLIMGRID
1951Nov37.3°F44.8°F-7.5°NCLIMGRID
1951Dec34.5°F35.0°F-0.5°NCLIMGRID
1952Jan37.4°F29.3°F+8.1°NCLIMGRID
1952Feb37.7°F33.3°F+4.4°NCLIMGRID
1952Mar42.9°F44.3°F-1.4°NCLIMGRID
1952Apr54.0°F54.4°F-0.4°NCLIMGRID
1952May63.8°F63.6°F+0.2°NCLIMGRID
1952Jun77.9°F72.2°F+5.7°NCLIMGRID
1952Jul79.1°F76.2°F+2.9°NCLIMGRID
1952Aug75.4°F74.3°F+1.0°NCLIMGRID
1952Sep67.2°F67.5°F-0.3°NCLIMGRID
1952Oct51.0°F55.4°F-4.5°NCLIMGRID
1952Nov44.6°F44.8°F-0.2°NCLIMGRID
1952Dec36.7°F35.0°F+1.7°NCLIMGRID
1953Jan36.1°F29.3°F+6.8°NCLIMGRID
1953Feb38.7°F33.3°F+5.3°NCLIMGRID
1953Mar44.9°F44.3°F+0.6°NCLIMGRID
1953Apr50.2°F54.4°F-4.2°NCLIMGRID
1953May66.7°F63.6°F+3.1°NCLIMGRID
1953Jun76.6°F72.2°F+4.4°NCLIMGRID
1953Jul76.5°F76.2°F+0.3°NCLIMGRID
1953Aug75.4°F74.3°F+1.1°NCLIMGRID
1953Sep69.0°F67.5°F+1.5°NCLIMGRID
1953Oct58.7°F55.4°F+3.3°NCLIMGRID
1953Nov43.7°F44.8°F-1.1°NCLIMGRID
1953Dec34.3°F35.0°F-0.7°NCLIMGRID
1954Jan33.3°F29.3°F+4.0°NCLIMGRID
1954Feb42.4°F33.3°F+9.0°NCLIMGRID
1954Mar41.4°F44.3°F-2.9°NCLIMGRID
1954Apr59.5°F54.4°F+5.1°NCLIMGRID
1954May59.1°F63.6°F-4.5°NCLIMGRID
1954Jun75.1°F72.2°F+2.9°NCLIMGRID
1954Jul79.6°F76.2°F+3.3°NCLIMGRID
1954Aug76.6°F74.3°F+2.3°NCLIMGRID
1954Sep71.5°F67.5°F+4.0°NCLIMGRID
1954Oct58.1°F55.4°F+2.6°NCLIMGRID
1954Nov43.6°F44.8°F-1.1°NCLIMGRID
1954Dec34.5°F35.0°F-0.5°NCLIMGRID
1955Jan30.5°F29.3°F+1.2°NCLIMGRID
1955Feb34.5°F33.3°F+1.2°NCLIMGRID
1955Mar44.8°F44.3°F+0.6°NCLIMGRID
1955Apr58.6°F54.4°F+4.2°NCLIMGRID
1955May65.1°F63.6°F+1.5°NCLIMGRID
1955Jun67.5°F72.2°F-4.6°NCLIMGRID
1955Jul79.5°F76.2°F+3.3°NCLIMGRID
1955Aug77.7°F74.3°F+3.4°NCLIMGRID
1955Sep70.8°F67.5°F+3.3°NCLIMGRID
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1984Jan25.7°F29.3°F-3.6°NCLIMGRID
1984Feb39.7°F33.3°F+6.3°NCLIMGRID
1984Mar37.3°F44.3°F-7.0°NCLIMGRID
1984Apr52.7°F54.4°F-1.7°NCLIMGRID
1984May60.9°F63.6°F-2.7°NCLIMGRID
1984Jun74.9°F72.2°F+2.8°NCLIMGRID
1984Jul73.5°F76.2°F-2.8°NCLIMGRID
1984Aug74.8°F74.3°F+0.4°NCLIMGRID
1984Sep65.9°F67.5°F-1.6°NCLIMGRID
1984Oct61.3°F55.4°F+5.8°NCLIMGRID
1984Nov42.6°F44.8°F-2.2°NCLIMGRID
1984Dec42.8°F35.0°F+7.8°NCLIMGRID
1985Jan23.8°F29.3°F-5.5°NCLIMGRID
1985Feb29.5°F33.3°F-3.8°NCLIMGRID
1985Mar47.7°F44.3°F+3.4°NCLIMGRID
1985Apr58.6°F54.4°F+4.3°NCLIMGRID
1985May64.9°F63.6°F+1.3°NCLIMGRID
1985Jun70.4°F72.2°F-1.8°NCLIMGRID
1985Jul75.3°F76.2°F-0.9°NCLIMGRID
1985Aug73.4°F74.3°F-1.0°NCLIMGRID
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1985Nov50.7°F44.8°F+6.0°NCLIMGRID
1985Dec28.6°F35.0°F-6.4°NCLIMGRID
1986Jan32.0°F29.3°F+2.7°NCLIMGRID
1986Feb37.0°F33.3°F+3.7°NCLIMGRID
1986Mar45.6°F44.3°F+1.4°NCLIMGRID
1986Apr56.2°F54.4°F+1.8°NCLIMGRID
1986May66.1°F63.6°F+2.5°NCLIMGRID
1986Jun74.0°F72.2°F+1.8°NCLIMGRID
1986Jul78.1°F76.2°F+1.9°NCLIMGRID
1986Aug71.7°F74.3°F-2.6°NCLIMGRID
1986Sep71.0°F67.5°F+3.5°NCLIMGRID
1986Oct57.3°F55.4°F+1.9°NCLIMGRID
1986Nov43.8°F44.8°F-0.9°NCLIMGRID
1986Dec34.8°F35.0°F-0.2°NCLIMGRID
1987Jan31.3°F29.3°F+2.0°NCLIMGRID
1987Feb37.4°F33.3°F+4.0°NCLIMGRID
1987Mar45.8°F44.3°F+1.5°NCLIMGRID
1987Apr53.2°F54.4°F-1.1°NCLIMGRID
1987May69.2°F63.6°F+5.6°NCLIMGRID
1987Jun74.7°F72.2°F+2.5°NCLIMGRID
1987Jul77.3°F76.2°F+1.1°NCLIMGRID
1987Aug76.0°F74.3°F+1.7°NCLIMGRID
1987Sep68.8°F67.5°F+1.3°NCLIMGRID
1987Oct49.8°F55.4°F-5.6°NCLIMGRID
1987Nov48.4°F44.8°F+3.6°NCLIMGRID
1987Dec38.0°F35.0°F+3.0°NCLIMGRID
1988Jan27.8°F29.3°F-1.5°NCLIMGRID
1988Feb32.3°F33.3°F-1.1°NCLIMGRID
1988Mar43.2°F44.3°F-1.1°NCLIMGRID
1988Apr53.3°F54.4°F-1.0°NCLIMGRID
1988May63.6°F63.6°F-0.1°NCLIMGRID
1988Jun72.9°F72.2°F+0.8°NCLIMGRID
1988Jul78.3°F76.2°F+2.0°NCLIMGRID
1988Aug77.7°F74.3°F+3.3°NCLIMGRID
1988Sep67.1°F67.5°F-0.4°NCLIMGRID
1988Oct49.1°F55.4°F-6.4°NCLIMGRID
1988Nov45.2°F44.8°F+0.4°NCLIMGRID
1988Dec35.5°F35.0°F+0.5°NCLIMGRID
1989Jan38.7°F29.3°F+9.4°NCLIMGRID
1989Feb31.8°F33.3°F-1.5°NCLIMGRID
1989Mar45.1°F44.3°F+0.9°NCLIMGRID
1989Apr53.3°F54.4°F-1.1°NCLIMGRID
1989May60.6°F63.6°F-3.1°NCLIMGRID
1989Jun71.6°F72.2°F-0.5°NCLIMGRID
1989Jul75.9°F76.2°F-0.3°NCLIMGRID
1989Aug74.0°F74.3°F-0.3°NCLIMGRID
1989Sep66.4°F67.5°F-1.1°NCLIMGRID
1989Oct55.9°F55.4°F+0.5°NCLIMGRID
1989Nov44.8°F44.8°F+0.0°NCLIMGRID
1989Dec22.4°F35.0°F-12.6°NCLIMGRID
1990Jan40.5°F29.3°F+11.2°NCLIMGRID
1990Feb41.7°F33.3°F+8.3°NCLIMGRID
1990Mar48.0°F44.3°F+3.8°NCLIMGRID
1990Apr53.2°F54.4°F-1.2°NCLIMGRID
1990May61.5°F63.6°F-2.1°NCLIMGRID
1990Jun72.1°F72.2°F-0.1°NCLIMGRID
1990Jul75.3°F76.2°F-0.9°NCLIMGRID
1990Aug73.5°F74.3°F-0.8°NCLIMGRID
1990Sep68.7°F67.5°F+1.2°NCLIMGRID
1990Oct55.7°F55.4°F+0.3°NCLIMGRID
1990Nov48.2°F44.8°F+3.5°NCLIMGRID
1990Dec38.6°F35.0°F+3.6°NCLIMGRID
1991Jan31.9°F29.3°F+2.6°NCLIMGRID
1991Feb37.7°F33.3°F+4.4°NCLIMGRID
1991Mar47.1°F44.3°F+2.8°NCLIMGRID
1991Apr57.3°F54.4°F+3.0°NCLIMGRID
1991May70.9°F63.6°F+7.3°NCLIMGRID
1991Jun75.1°F72.2°F+3.0°NCLIMGRID
1991Jul78.0°F76.2°F+1.8°NCLIMGRID
1991Aug75.7°F74.3°F+1.3°NCLIMGRID
1991Sep68.5°F67.5°F+1.0°NCLIMGRID
1991Oct58.3°F55.4°F+2.8°NCLIMGRID
1991Nov42.6°F44.8°F-2.1°NCLIMGRID
1991Dec38.7°F35.0°F+3.7°NCLIMGRID
1992Jan34.0°F29.3°F+4.7°NCLIMGRID
1992Feb40.3°F33.3°F+7.0°NCLIMGRID
1992Mar44.6°F44.3°F+0.3°NCLIMGRID
1992Apr55.0°F54.4°F+0.6°NCLIMGRID
1992May61.3°F63.6°F-2.3°NCLIMGRID
1992Jun68.9°F72.2°F-3.3°NCLIMGRID
1992Jul75.8°F76.2°F-0.4°NCLIMGRID
1992Aug70.4°F74.3°F-4.0°NCLIMGRID
1992Sep66.0°F67.5°F-1.5°NCLIMGRID
1992Oct53.8°F55.4°F-1.6°NCLIMGRID
1992Nov45.2°F44.8°F+0.5°NCLIMGRID
1992Dec35.4°F35.0°F+0.4°NCLIMGRID
1993Jan35.3°F29.3°F+6.0°NCLIMGRID
1993Feb30.7°F33.3°F-2.7°NCLIMGRID
1993Mar40.7°F44.3°F-3.6°NCLIMGRID
1993Apr52.5°F54.4°F-1.8°NCLIMGRID
1993May63.9°F63.6°F+0.3°NCLIMGRID
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1993Jul79.4°F76.2°F+3.2°NCLIMGRID
1993Aug75.8°F74.3°F+1.5°NCLIMGRID
1993Sep65.3°F67.5°F-2.2°NCLIMGRID
1993Oct54.0°F55.4°F-1.4°NCLIMGRID
1993Nov44.0°F44.8°F-0.7°NCLIMGRID
1993Dec34.3°F35.0°F-0.6°NCLIMGRID
1994Jan24.6°F29.3°F-4.7°NCLIMGRID
1994Feb34.3°F33.3°F+1.0°NCLIMGRID
1994Mar42.8°F44.3°F-1.5°NCLIMGRID
1994Apr56.5°F54.4°F+2.1°NCLIMGRID
1994May60.3°F63.6°F-3.4°NCLIMGRID
1994Jun74.5°F72.2°F+2.4°NCLIMGRID
1994Jul75.7°F76.2°F-0.5°NCLIMGRID
1994Aug72.3°F74.3°F-2.0°NCLIMGRID
1994Sep65.5°F67.5°F-2.0°NCLIMGRID
1994Oct56.0°F55.4°F+0.6°NCLIMGRID
1994Nov49.9°F44.8°F+5.1°NCLIMGRID
1994Dec39.4°F35.0°F+4.4°NCLIMGRID
1995Jan32.4°F29.3°F+3.1°NCLIMGRID
1995Feb32.8°F33.3°F-0.5°NCLIMGRID
1995Mar46.4°F44.3°F+2.1°NCLIMGRID
1995Apr55.1°F54.4°F+0.8°NCLIMGRID
1995May63.6°F63.6°F+0.0°NCLIMGRID
1995Jun72.8°F72.2°F+0.6°NCLIMGRID
1995Jul76.9°F76.2°F+0.6°NCLIMGRID
1995Aug79.3°F74.3°F+4.9°NCLIMGRID
1995Sep65.5°F67.5°F-2.0°NCLIMGRID
1995Oct56.1°F55.4°F+0.7°NCLIMGRID
1995Nov39.6°F44.8°F-5.2°NCLIMGRID
1995Dec31.6°F35.0°F-3.4°NCLIMGRID
1996Jan30.0°F29.3°F+0.7°NCLIMGRID
1996Feb34.7°F33.3°F+1.3°NCLIMGRID
1996Mar38.5°F44.3°F-5.8°NCLIMGRID
1996Apr51.3°F54.4°F-3.1°NCLIMGRID
1996May65.5°F63.6°F+1.9°NCLIMGRID
1996Jun72.3°F72.2°F+0.1°NCLIMGRID
1996Jul73.7°F76.2°F-2.5°NCLIMGRID
1996Aug74.2°F74.3°F-0.1°NCLIMGRID
1996Sep66.3°F67.5°F-1.2°NCLIMGRID
1996Oct57.0°F55.4°F+1.5°NCLIMGRID
1996Nov39.7°F44.8°F-5.1°NCLIMGRID
1996Dec38.7°F35.0°F+3.7°NCLIMGRID
1997Jan28.7°F29.3°F-0.6°NCLIMGRID
1997Feb39.5°F33.3°F+6.2°NCLIMGRID
1997Mar45.8°F44.3°F+1.5°NCLIMGRID
1997Apr49.9°F54.4°F-4.5°NCLIMGRID
1997May58.8°F63.6°F-4.9°NCLIMGRID
1997Jun69.9°F72.2°F-2.3°NCLIMGRID
1997Jul76.6°F76.2°F+0.4°NCLIMGRID
1997Aug73.1°F74.3°F-1.3°NCLIMGRID
1997Sep66.9°F67.5°F-0.6°NCLIMGRID
1997Oct55.9°F55.4°F+0.5°NCLIMGRID
1997Nov41.8°F44.8°F-3.0°NCLIMGRID
1997Dec35.8°F35.0°F+0.8°NCLIMGRID
1998Jan39.9°F29.3°F+10.6°NCLIMGRID
1998Feb41.4°F33.3°F+8.1°NCLIMGRID
1998Mar45.6°F44.3°F+1.3°NCLIMGRID
1998Apr54.0°F54.4°F-0.4°NCLIMGRID
1998May68.3°F63.6°F+4.7°NCLIMGRID
1998Jun73.3°F72.2°F+1.2°NCLIMGRID
1998Jul75.5°F76.2°F-0.8°NCLIMGRID
1998Aug75.9°F74.3°F+1.5°NCLIMGRID
1998Sep72.4°F67.5°F+4.9°NCLIMGRID
1998Oct58.0°F55.4°F+2.6°NCLIMGRID
1998Nov46.9°F44.8°F+2.1°NCLIMGRID
1998Dec39.8°F35.0°F+4.8°NCLIMGRID
1999Jan34.2°F29.3°F+4.9°NCLIMGRID
1999Feb39.4°F33.3°F+6.1°NCLIMGRID
1999Mar40.6°F44.3°F-3.7°NCLIMGRID
1999Apr56.6°F54.4°F+2.3°NCLIMGRID
1999May65.5°F63.6°F+1.8°NCLIMGRID
1999Jun74.2°F72.2°F+2.0°NCLIMGRID
1999Jul80.2°F76.2°F+4.0°NCLIMGRID
1999Aug75.1°F74.3°F+0.8°NCLIMGRID
1999Sep67.8°F67.5°F+0.3°NCLIMGRID
1999Oct56.6°F55.4°F+1.1°NCLIMGRID
1999Nov50.4°F44.8°F+5.6°NCLIMGRID
1999Dec36.5°F35.0°F+1.5°NCLIMGRID
2000Jan31.5°F29.3°F+2.2°NCLIMGRID
2000Feb41.9°F33.3°F+8.6°NCLIMGRID
2000Mar48.1°F44.3°F+3.8°NCLIMGRID
2000Apr53.6°F54.4°F-0.7°NCLIMGRID
2000May67.1°F63.6°F+3.5°NCLIMGRID
2000Jun72.9°F72.2°F+0.7°NCLIMGRID
2000Jul74.6°F76.2°F-1.6°NCLIMGRID
2000Aug74.2°F74.3°F-0.2°NCLIMGRID
2000Sep66.3°F67.5°F-1.2°NCLIMGRID
2000Oct59.0°F55.4°F+3.6°NCLIMGRID
2000Nov43.0°F44.8°F-1.8°NCLIMGRID
2000Dec25.1°F35.0°F-9.9°NCLIMGRID
2001Jan30.9°F29.3°F+1.6°NCLIMGRID
2001Feb38.8°F33.3°F+5.5°NCLIMGRID
2001Mar40.9°F44.3°F-3.4°NCLIMGRID
2001Apr59.3°F54.4°F+5.0°NCLIMGRID
2001May66.4°F63.6°F+2.7°NCLIMGRID
2001Jun71.3°F72.2°F-0.9°NCLIMGRID
2001Jul75.8°F76.2°F-0.5°NCLIMGRID
2001Aug76.5°F74.3°F+2.2°NCLIMGRID
2001Sep66.0°F67.5°F-1.5°NCLIMGRID
2001Oct56.1°F55.4°F+0.6°NCLIMGRID
2001Nov50.6°F44.8°F+5.8°NCLIMGRID
2001Dec40.1°F35.0°F+5.1°NCLIMGRID
2002Jan37.6°F29.3°F+8.3°NCLIMGRID
2002Feb37.8°F33.3°F+4.5°NCLIMGRID
2002Mar43.3°F44.3°F-0.9°NCLIMGRID
2002Apr57.5°F54.4°F+3.1°NCLIMGRID
2002May61.8°F63.6°F-1.8°NCLIMGRID
2002Jun74.5°F72.2°F+2.4°NCLIMGRID
2002Jul78.5°F76.2°F+2.2°NCLIMGRID
2002Aug77.6°F74.3°F+3.3°NCLIMGRID
2002Sep72.2°F67.5°F+4.7°NCLIMGRID
2002Oct55.5°F55.4°F+0.1°NCLIMGRID
2002Nov42.5°F44.8°F-2.3°NCLIMGRID
2002Dec36.0°F35.0°F+1.0°NCLIMGRID
2003Jan26.5°F29.3°F-2.8°NCLIMGRID
2003Feb30.5°F33.3°F-2.8°NCLIMGRID
2003Mar47.5°F44.3°F+3.2°NCLIMGRID
2003Apr57.2°F54.4°F+2.8°NCLIMGRID
2003May63.5°F63.6°F-0.2°NCLIMGRID
2003Jun68.8°F72.2°F-3.3°NCLIMGRID
2003Jul75.2°F76.2°F-1.1°NCLIMGRID
2003Aug75.9°F74.3°F+1.6°NCLIMGRID
2003Sep65.4°F67.5°F-2.1°NCLIMGRID
2003Oct56.2°F55.4°F+0.8°NCLIMGRID
2003Nov49.2°F44.8°F+4.5°NCLIMGRID
2003Dec36.4°F35.0°F+1.4°NCLIMGRID
2004Jan29.4°F29.3°F+0.1°NCLIMGRID
2004Feb35.4°F33.3°F+2.1°NCLIMGRID
2004Mar47.8°F44.3°F+3.5°NCLIMGRID
2004Apr55.5°F54.4°F+1.2°NCLIMGRID
2004May69.3°F63.6°F+5.7°NCLIMGRID
2004Jun72.6°F72.2°F+0.4°NCLIMGRID
2004Jul74.2°F76.2°F-2.0°NCLIMGRID
2004Aug71.3°F74.3°F-3.0°NCLIMGRID
2004Sep68.8°F67.5°F+1.3°NCLIMGRID
2004Oct58.6°F55.4°F+3.1°NCLIMGRID
2004Nov49.2°F44.8°F+4.5°NCLIMGRID
2004Dec34.4°F35.0°F-0.5°NCLIMGRID
2005Jan36.3°F29.3°F+7.0°NCLIMGRID
2005Feb39.1°F33.3°F+5.7°NCLIMGRID
2005Mar40.9°F44.3°F-3.3°NCLIMGRID
2005Apr56.9°F54.4°F+2.5°NCLIMGRID
2005May61.7°F63.6°F-1.9°NCLIMGRID
2005Jun74.8°F72.2°F+2.6°NCLIMGRID
2005Jul77.3°F76.2°F+1.1°NCLIMGRID
2005Aug78.0°F74.3°F+3.7°NCLIMGRID
2005Sep71.3°F67.5°F+3.8°NCLIMGRID
2005Oct57.5°F55.4°F+2.0°NCLIMGRID
2005Nov46.4°F44.8°F+1.7°NCLIMGRID
2005Dec31.8°F35.0°F-3.2°NCLIMGRID
2006Jan42.3°F29.3°F+13.0°NCLIMGRID
2006Feb35.1°F33.3°F+1.8°NCLIMGRID
2006Mar44.6°F44.3°F+0.3°NCLIMGRID
2006Apr59.2°F54.4°F+4.9°NCLIMGRID
2006May62.4°F63.6°F-1.3°NCLIMGRID
2006Jun71.0°F72.2°F-1.1°NCLIMGRID
2006Jul77.4°F76.2°F+1.2°NCLIMGRID
2006Aug77.0°F74.3°F+2.7°NCLIMGRID
2006Sep64.4°F67.5°F-3.1°NCLIMGRID
2006Oct53.5°F55.4°F-1.9°NCLIMGRID
2006Nov46.6°F44.8°F+1.8°NCLIMGRID
2006Dec40.3°F35.0°F+5.3°NCLIMGRID
2007Jan36.6°F29.3°F+7.3°NCLIMGRID
2007Feb27.0°F33.3°F-6.3°NCLIMGRID
2007Mar51.9°F44.3°F+7.6°NCLIMGRID
2007Apr52.8°F54.4°F-1.6°NCLIMGRID
2007May68.0°F63.6°F+4.4°NCLIMGRID
2007Jun73.6°F72.2°F+1.4°NCLIMGRID
2007Jul74.1°F76.2°F-2.1°NCLIMGRID
2007Aug80.5°F74.3°F+6.2°NCLIMGRID
2007Sep72.6°F67.5°F+5.1°NCLIMGRID
2007Oct62.9°F55.4°F+7.5°NCLIMGRID
2007Nov45.1°F44.8°F+0.3°NCLIMGRID
2007Dec38.8°F35.0°F+3.8°NCLIMGRID
2008Jan31.6°F29.3°F+2.3°NCLIMGRID
2008Feb34.5°F33.3°F+1.2°NCLIMGRID
2008Mar42.6°F44.3°F-1.7°NCLIMGRID
2008Apr55.6°F54.4°F+1.2°NCLIMGRID
2008May61.4°F63.6°F-2.2°NCLIMGRID
2008Jun74.3°F72.2°F+2.1°NCLIMGRID
2008Jul75.5°F76.2°F-0.8°NCLIMGRID
2008Aug73.9°F74.3°F-0.4°NCLIMGRID
2008Sep70.1°F67.5°F+2.6°NCLIMGRID
2008Oct56.5°F55.4°F+1.1°NCLIMGRID
2008Nov42.8°F44.8°F-1.9°NCLIMGRID
2008Dec34.5°F35.0°F-0.5°NCLIMGRID
2009Jan27.8°F29.3°F-1.5°NCLIMGRID
2009Feb36.4°F33.3°F+3.1°NCLIMGRID
2009Mar47.9°F44.3°F+3.6°NCLIMGRID
2009Apr55.7°F54.4°F+1.3°NCLIMGRID
2009May64.7°F63.6°F+1.1°NCLIMGRID
2009Jun73.7°F72.2°F+1.6°NCLIMGRID
2009Jul71.1°F76.2°F-5.1°NCLIMGRID
2009Aug72.8°F74.3°F-1.6°NCLIMGRID
2009Sep68.1°F67.5°F+0.6°NCLIMGRID
2009Oct53.0°F55.4°F-2.5°NCLIMGRID
2009Nov48.9°F44.8°F+4.2°NCLIMGRID
2009Dec34.6°F35.0°F-0.4°NCLIMGRID
2010Jan28.8°F29.3°F-0.5°NCLIMGRID
2010Feb29.5°F33.3°F-3.9°NCLIMGRID
2010Mar47.1°F44.3°F+2.8°NCLIMGRID
2010Apr59.7°F54.4°F+5.4°NCLIMGRID
2010May66.9°F63.6°F+3.3°NCLIMGRID
2010Jun76.5°F72.2°F+4.4°NCLIMGRID
2010Jul78.9°F76.2°F+2.7°NCLIMGRID
2010Aug77.8°F74.3°F+3.5°NCLIMGRID
2010Sep69.8°F67.5°F+2.3°NCLIMGRID
2010Oct57.6°F55.4°F+2.2°NCLIMGRID
2010Nov46.1°F44.8°F+1.3°NCLIMGRID
2010Dec28.4°F35.0°F-6.6°NCLIMGRID
2011Jan28.4°F29.3°F-0.9°NCLIMGRID
2011Feb37.5°F33.3°F+4.2°NCLIMGRID
2011Mar46.5°F44.3°F+2.2°NCLIMGRID
2011Apr57.7°F54.4°F+3.3°NCLIMGRID
2011May64.0°F63.6°F+0.4°NCLIMGRID
2011Jun73.8°F72.2°F+1.7°NCLIMGRID
2011Jul81.1°F76.2°F+4.9°NCLIMGRID
2011Aug75.9°F74.3°F+1.6°NCLIMGRID
2011Sep65.9°F67.5°F-1.6°NCLIMGRID
2011Oct55.3°F55.4°F-0.2°NCLIMGRID
2011Nov50.3°F44.8°F+5.5°NCLIMGRID
2011Dec40.6°F35.0°F+5.6°NCLIMGRID
2012Jan37.6°F29.3°F+8.3°NCLIMGRID
2012Feb40.0°F33.3°F+6.6°NCLIMGRID
2012Mar57.4°F44.3°F+13.1°NCLIMGRID
2012Apr56.6°F54.4°F+2.2°NCLIMGRID
2012May70.0°F63.6°F+6.4°NCLIMGRID
2012Jun73.0°F72.2°F+0.8°NCLIMGRID
2012Jul81.3°F76.2°F+5.1°NCLIMGRID
2012Aug74.6°F74.3°F+0.2°NCLIMGRID
2012Sep67.0°F67.5°F-0.5°NCLIMGRID
2012Oct54.6°F55.4°F-0.8°NCLIMGRID
2012Nov42.3°F44.8°F-2.5°NCLIMGRID
2012Dec41.4°F35.0°F+6.4°NCLIMGRID
2013Jan34.7°F29.3°F+5.4°NCLIMGRID
2013Feb34.4°F33.3°F+1.0°NCLIMGRID
2013Mar38.2°F44.3°F-6.1°NCLIMGRID
2013Apr54.7°F54.4°F+0.3°NCLIMGRID
2013May65.9°F63.6°F+2.3°NCLIMGRID
2013Jun72.7°F72.2°F+0.6°NCLIMGRID
2013Jul74.1°F76.2°F-2.2°NCLIMGRID
2013Aug74.3°F74.3°F+0.0°NCLIMGRID
2013Sep69.6°F67.5°F+2.1°NCLIMGRID
2013Oct56.5°F55.4°F+1.1°NCLIMGRID
2013Nov42.1°F44.8°F-2.7°NCLIMGRID
2013Dec35.5°F35.0°F+0.5°NCLIMGRID
2014Jan25.3°F29.3°F-4.0°NCLIMGRID
2014Feb29.3°F33.3°F-4.0°NCLIMGRID
2014Mar40.4°F44.3°F-3.8°NCLIMGRID
2014Apr57.6°F54.4°F+3.2°NCLIMGRID
2014May66.9°F63.6°F+3.3°NCLIMGRID
2014Jun75.2°F72.2°F+3.0°NCLIMGRID
2014Jul72.3°F76.2°F-4.0°NCLIMGRID
2014Aug74.7°F74.3°F+0.4°NCLIMGRID
2014Sep67.3°F67.5°F-0.2°NCLIMGRID
2014Oct56.3°F55.4°F+0.9°NCLIMGRID
2014Nov38.8°F44.8°F-6.0°NCLIMGRID
2014Dec37.7°F35.0°F+2.7°NCLIMGRID
2015Jan30.7°F29.3°F+1.4°NCLIMGRID
2015Feb24.3°F33.3°F-9.0°NCLIMGRID
2015Mar42.8°F44.3°F-1.4°NCLIMGRID
2015Apr56.3°F54.4°F+1.9°NCLIMGRID
2015May67.6°F63.6°F+4.0°NCLIMGRID
2015Jun73.8°F72.2°F+1.7°NCLIMGRID
2015Jul76.1°F76.2°F-0.1°NCLIMGRID
2015Aug72.5°F74.3°F-1.9°NCLIMGRID
2015Sep70.5°F67.5°F+3.0°NCLIMGRID
2015Oct57.7°F55.4°F+2.3°NCLIMGRID
2015Nov49.5°F44.8°F+4.7°NCLIMGRID
2015Dec46.9°F35.0°F+11.9°NCLIMGRID
2016Jan31.5°F29.3°F+2.2°NCLIMGRID
2016Feb37.6°F33.3°F+4.3°NCLIMGRID
2016Mar50.8°F44.3°F+6.5°NCLIMGRID
2016Apr56.2°F54.4°F+1.9°NCLIMGRID
2016May63.0°F63.6°F-0.6°NCLIMGRID
2016Jun75.2°F72.2°F+3.0°NCLIMGRID
2016Jul77.9°F76.2°F+1.7°NCLIMGRID
2016Aug78.4°F74.3°F+4.1°NCLIMGRID
2016Sep72.7°F67.5°F+5.2°NCLIMGRID
2016Oct63.0°F55.4°F+7.6°NCLIMGRID
2016Nov49.4°F44.8°F+4.6°NCLIMGRID
2016Dec35.5°F35.0°F+0.5°NCLIMGRID
2017Jan39.0°F29.3°F+9.7°NCLIMGRID
2017Feb45.6°F33.3°F+12.2°NCLIMGRID
2017Mar47.2°F44.3°F+2.9°NCLIMGRID
2017Apr62.0°F54.4°F+7.7°NCLIMGRID
2017May64.9°F63.6°F+1.3°NCLIMGRID
2017Jun72.6°F72.2°F+0.4°NCLIMGRID
2017Jul77.3°F76.2°F+1.1°NCLIMGRID
2017Aug72.9°F74.3°F-1.5°NCLIMGRID
2017Sep68.2°F67.5°F+0.7°NCLIMGRID
2017Oct58.6°F55.4°F+3.2°NCLIMGRID
2017Nov46.0°F44.8°F+1.3°NCLIMGRID
2017Dec33.7°F35.0°F-1.3°NCLIMGRID
2018Jan29.6°F29.3°F+0.3°NCLIMGRID
2018Feb41.7°F33.3°F+8.4°NCLIMGRID
2018Mar42.1°F44.3°F-2.2°NCLIMGRID
2018Apr50.3°F54.4°F-4.1°NCLIMGRID
2018May72.7°F63.6°F+9.1°NCLIMGRID
2018Jun75.8°F72.2°F+3.6°NCLIMGRID
2018Jul76.7°F76.2°F+0.5°NCLIMGRID
2018Aug76.8°F74.3°F+2.4°NCLIMGRID
2018Sep73.0°F67.5°F+5.5°NCLIMGRID
2018Oct58.8°F55.4°F+3.4°NCLIMGRID
2018Nov41.1°F44.8°F-3.7°NCLIMGRID
2018Dec40.1°F35.0°F+5.1°NCLIMGRID
2019Jan33.0°F29.3°F+3.7°NCLIMGRID
2019Feb39.6°F33.3°F+6.3°NCLIMGRID
2019Mar41.6°F44.3°F-2.7°NCLIMGRID
2019Apr57.5°F54.4°F+3.2°NCLIMGRID
2019May67.8°F63.6°F+4.2°NCLIMGRID
2019Jun72.2°F72.2°F+0.1°NCLIMGRID
2019Jul78.6°F76.2°F+2.4°NCLIMGRID
2019Aug76.1°F74.3°F+1.8°NCLIMGRID
2019Sep75.5°F67.5°F+8.0°NCLIMGRID
2019Oct59.6°F55.4°F+4.2°NCLIMGRID
2019Nov40.5°F44.8°F-4.3°NCLIMGRID
2019Dec41.0°F35.0°F+6.0°NCLIMGRID
2020Jan38.9°F29.3°F+9.7°NCLIMGRID
2020Feb37.3°F33.3°F+4.0°NCLIMGRID
2020Mar50.1°F44.3°F+5.8°NCLIMGRID
2020Apr52.6°F54.4°F-1.7°NCLIMGRID
2020May62.5°F63.6°F-1.1°NCLIMGRID
2020Jun73.5°F72.2°F+1.3°NCLIMGRID
2020Jul79.1°F76.2°F+2.9°NCLIMGRID
2020Aug74.6°F74.3°F+0.2°NCLIMGRID
2020Sep68.2°F67.5°F+0.7°NCLIMGRID
2020Oct56.6°F55.4°F+1.2°NCLIMGRID
2020Nov49.5°F44.8°F+4.7°NCLIMGRID
2020Dec36.8°F35.0°F+1.8°NCLIMGRID
2021Jan34.0°F29.3°F+4.7°NCLIMGRID
2021Feb30.2°F33.3°F-3.1°NCLIMGRID
2021Mar49.1°F44.3°F+4.8°NCLIMGRID
2021Apr54.6°F54.4°F+0.2°NCLIMGRID
2021May62.3°F63.6°F-1.3°NCLIMGRID
2021Jun73.9°F72.2°F+1.8°NCLIMGRID
2021Jul76.2°F76.2°F+0.0°NCLIMGRID
2021Aug77.0°F74.3°F+2.7°NCLIMGRID
2021Sep70.1°F67.5°F+2.6°NCLIMGRID
2021Oct62.2°F55.4°F+6.8°NCLIMGRID
2021Nov43.0°F44.8°F-1.8°NCLIMGRID
2021Dec46.1°F35.0°F+11.1°NCLIMGRID
2022Jan29.7°F29.3°F+0.4°NCLIMGRID
2022Feb36.3°F33.3°F+3.0°NCLIMGRID
2022Mar48.3°F44.3°F+4.0°NCLIMGRID
2022Apr53.7°F54.4°F-0.6°NCLIMGRID
2022May67.9°F63.6°F+4.3°NCLIMGRID
2022Jun74.2°F72.2°F+2.0°NCLIMGRID
2022Jul78.2°F76.2°F+2.0°NCLIMGRID
2022Aug75.5°F74.3°F+1.1°NCLIMGRID
2022Sep69.0°F67.5°F+1.5°NCLIMGRID
2022Oct55.1°F55.4°F-0.3°NCLIMGRID
2022Nov45.6°F44.8°F+0.9°NCLIMGRID
2022Dec35.9°F35.0°F+0.9°NCLIMGRID
2023Jan40.3°F29.3°F+11.0°NCLIMGRID
2023Feb43.2°F33.3°F+9.8°NCLIMGRID
2023Mar45.3°F44.3°F+1.0°NCLIMGRID
2023Apr55.7°F54.4°F+1.3°NCLIMGRID
2023May63.3°F63.6°F-0.3°NCLIMGRID
2023Jun70.3°F72.2°F-1.9°NCLIMGRID
2023Jul76.7°F76.2°F+0.5°NCLIMGRID
2023Aug74.4°F74.3°F+0.0°NCLIMGRID
2023Sep70.1°F67.5°F+2.6°NCLIMGRID
2023Oct58.4°F55.4°F+3.0°NCLIMGRID
2023Nov46.6°F44.8°F+1.8°NCLIMGRID
2023Dec41.6°F35.0°F+6.7°NCLIMGRID
2024Jan31.4°F29.3°F+2.1°NCLIMGRID
2024Feb43.8°F33.3°F+10.4°NCLIMGRID
2024Mar49.5°F44.3°F+5.2°NCLIMGRID
2024Apr58.6°F54.4°F+4.2°NCLIMGRID
2024May68.5°F63.6°F+4.9°NCLIMGRID
2024Jun74.3°F72.2°F+2.1°NCLIMGRID
2024Jul76.5°F76.2°F+0.3°NCLIMGRID
2024Aug75.7°F74.3°F+1.3°NCLIMGRID
2024Sep71.2°F67.5°F+3.7°NCLIMGRID
2024Oct59.3°F55.4°F+3.8°NCLIMGRID
2024Nov50.5°F44.8°F+5.7°NCLIMGRID
2024Dec38.7°F35.0°F+3.7°NCLIMGRID
2025Jan25.7°F29.3°F-3.6°NCLIMGRID
2025Feb35.6°F33.3°F+2.3°NCLIMGRID
2025Mar49.9°F44.3°F+5.6°NCLIMGRID
2025Apr57.0°F54.4°F+2.6°NCLIMGRID
2025May63.0°F63.6°F-0.6°NCLIMGRID
2025Jun74.9°F72.2°F+2.7°NCLIMGRID
2025Jul80.0°F76.2°F+3.7°NCLIMGRID
2025Aug73.6°F74.3°F-0.8°NCLIMGRID
2025Sep69.9°F67.5°F+2.4°NCLIMGRID
2025Oct58.8°F55.4°F+3.4°NCLIMGRID
2025Nov44.8°F44.8°F+0.0°NCLIMGRID
2025Dec35.1°F35.0°F+0.1°NCLIMGRID
2026Jan27.2°F29.3°F-2.0°NCLIMGRID
2026Feb34.8°F33.3°F+1.5°NCLIMGRID

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

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

Methodology

Methodology How we calculate anomalies

1. Data Acquisition

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

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

2. Gap Filling

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

10

Initial gaps

0

Filled

10

Unfillable

3. Baseline Calculation

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

Period: 1966 – 1991 (100% coverage)

MonthBaselineYears
January29.3°F26/26
February33.3°F26/26
March44.3°F26/26
April54.4°F26/26
May63.6°F26/26
June72.2°F26/26
July76.2°F26/26
August74.3°F26/26
September67.5°F26/26
October55.4°F26/26
November44.8°F26/26
December35.0°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 Bethlehem, Indiana getting warmer?

Based on 96+ years of NOAA temperature records, Bethlehem has warmed at a rate of approximately 0.18°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 Bethlehem?

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

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

How are the climate visualizations for Bethlehem created?

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

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

Wear Bethlehem's Climate Story

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

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