Climate Change in Deal Island, Maryland

96+ years of recorded temperature data show Deal Island is warming.

Based on our analysis of 96 years of temperature data near Deal Island, MD, 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 +4.1°F above the historical baseline.

Key Climate Facts

Rate of Change

+0.3°F

per decade

Warmest Year

2012

+4.1°F anomaly

Recent Warm Years

10 / 10

above-average years

Decade Shift

+3.1°F

2020s vs 1930s

Compared to the National Average

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

National: +0.20°F/decade
Deal Island: +0.30°F/decade

Climate Spiral

Each ring represents one year of monthly temperatures. Blue indicates cooler-than-average periods; red indicates warmer. The outward drift over time reveals Deal Island's long-term warming trend.

Temperature anomaly spiral for Deal Island, Maryland
Climate spiral: monthly temperature anomalies from 96+ years of NOAA records for Deal Island, MD.

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 Deal Island, Maryland
Warming stripes: each stripe is one year of average temperature anomaly for Deal Island, MD.

Temperature Trend

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

Temperature trend chart for Deal Island, Maryland
Linear trend: annual temperature anomalies with trend line for Deal Island, MD.

Temperature by Decade

1930s
+0.14°F
1940s
+0.19°F
1950s
+0.44°F
1960s
-0.99°F
1970s
-0.13°F
1980s
+0.08°F
1990s
+1.11°F
2000s
+1.34°F
2010s
+2.40°F
2020s
+3.09°F

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

Anomaly Scale

-4.0°F Colder Normal +5.9°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 Deal Island, MD. Filter by decade or download as CSV.

Data Sources & Audit

Station
nClimGrid 5km Grid Point
Distance
2.1 mi
Coverage
99.1%
Records
1,154
Range
1930-01 – 2026-02
Full Data Audit 1,154 records
YearMonthTempBaselineAnomalySourceGap
1930Jan37.2°F34.3°F+2.9°NCLIMGRID
1930Feb40.6°F36.5°F+4.1°NCLIMGRID
1930Mar43.5°F45.0°F-1.5°NCLIMGRID
1930Apr51.6°F54.2°F-2.6°NCLIMGRID
1930May66.4°F63.9°F+2.5°NCLIMGRID
1930Jun73.8°F72.6°F+1.1°NCLIMGRID
1930Jul78.2°F77.3°F+0.9°NCLIMGRID
1930Aug75.0°F76.1°F-1.0°NCLIMGRID
1930Sep75.3°F69.7°F+5.6°NCLIMGRID
1930Oct56.3°F58.9°F-2.7°NCLIMGRID
1930Nov47.5°F48.9°F-1.4°NCLIMGRID
1930Dec36.3°F39.8°F-3.5°NCLIMGRID
1931Jan36.7°F34.3°F+2.5°NCLIMGRID
1931Feb38.2°F36.5°F+1.8°NCLIMGRID
1931Mar40.5°F45.0°F-4.5°NCLIMGRID
1931Apr52.0°F54.2°F-2.2°NCLIMGRID
1931May63.6°F63.9°F-0.3°NCLIMGRID
1931Jun71.7°F72.6°F-1.0°NCLIMGRID
1931Jul78.9°F77.3°F+1.6°NCLIMGRID
1931Aug76.1°F76.1°F+0.0°NCLIMGRID
1931Sep74.1°F69.7°F+4.4°NCLIMGRID
1931Oct61.7°F58.9°F+2.8°NCLIMGRID
1931Nov53.2°F48.9°F+4.3°NCLIMGRID
1931Dec45.3°F39.8°F+5.5°NCLIMGRID
1932Jan46.6°F34.3°F+12.3°NCLIMGRID
1932Feb42.0°F36.5°F+5.5°NCLIMGRID
1932Mar40.8°F45.0°F-4.2°NCLIMGRID
1932Apr52.3°F54.2°F-2.0°NCLIMGRID
1932May62.4°F63.9°F-1.5°NCLIMGRID
1932Jun72.4°F72.6°F-0.2°NCLIMGRID
1932Jul76.5°F77.3°F-0.8°NCLIMGRID
1932Aug76.4°F76.1°F+0.4°NCLIMGRID
1932Sep69.9°F69.7°F+0.2°NCLIMGRID
1932Oct59.6°F58.9°F+0.7°NCLIMGRID
1932Nov46.8°F48.9°F-2.1°NCLIMGRID
1932Dec40.5°F39.8°F+0.7°NCLIMGRID
1933Jan43.1°F34.3°F+8.8°NCLIMGRID
1933Feb38.6°F36.5°F+2.1°NCLIMGRID
1933Mar42.6°F45.0°F-2.4°NCLIMGRID
1933Apr53.6°F54.2°F-0.7°NCLIMGRID
1933May66.8°F63.9°F+2.9°NCLIMGRID
1933Jun73.3°F72.6°F+0.7°NCLIMGRID
1933Jul75.2°F77.3°F-2.1°NCLIMGRID
1933Aug76.3°F76.1°F+0.3°NCLIMGRID
1933Sep74.0°F69.7°F+4.3°NCLIMGRID
1933Oct57.7°F58.9°F-1.2°NCLIMGRID
1933Nov44.3°F48.9°F-4.6°NCLIMGRID
1933Dec39.2°F39.8°F-0.6°NCLIMGRID
1934Jan39.2°F34.3°F+4.9°NCLIMGRID
1934Feb24.9°F36.5°F-11.6°NCLIMGRID
1934Mar40.2°F45.0°F-4.8°NCLIMGRID
1934Apr52.6°F54.2°F-1.6°NCLIMGRID
1934May64.4°F63.9°F+0.5°NCLIMGRID
1934Jun76.0°F72.6°F+3.3°NCLIMGRID
1934Jul79.5°F77.3°F+2.3°NCLIMGRID
1934Aug74.2°F76.1°F-1.9°NCLIMGRID
1934Sep71.1°F69.7°F+1.4°NCLIMGRID
1934Oct57.2°F58.9°F-1.8°NCLIMGRID
1934Nov49.2°F48.9°F+0.3°NCLIMGRID
1934Dec37.1°F39.8°F-2.7°NCLIMGRID
1935Jan34.1°F34.3°F-0.1°NCLIMGRID
1935Feb35.3°F36.5°F-1.2°NCLIMGRID
1935Mar48.3°F45.0°F+3.2°NCLIMGRID
1935Apr50.8°F54.2°F-3.5°NCLIMGRID
1935May60.8°F63.9°F-3.1°NCLIMGRID
1935Jun72.2°F72.6°F-0.4°NCLIMGRID
1935Jul77.3°F77.3°F+0.0°NCLIMGRID
1935Aug74.9°F76.1°F-1.1°NCLIMGRID
1935Sep67.6°F69.7°F-2.1°NCLIMGRID
1935Oct57.7°F58.9°F-1.2°NCLIMGRID
1935Nov50.9°F48.9°F+2.0°NCLIMGRID
1935Dec32.3°F39.8°F-7.5°NCLIMGRID
1936Jan31.2°F34.3°F-3.0°NCLIMGRID
1936Feb29.0°F36.5°F-7.4°NCLIMGRID
1936Mar49.0°F45.0°F+3.9°NCLIMGRID
1936Apr51.4°F54.2°F-2.8°NCLIMGRID
1936May65.4°F63.9°F+1.5°NCLIMGRID
1936Jun72.1°F72.6°F-0.6°NCLIMGRID
1936Jul76.8°F77.3°F-0.4°NCLIMGRID
1936Aug77.5°F76.1°F+1.4°NCLIMGRID
1936Sep71.2°F69.7°F+1.5°NCLIMGRID
1936Oct60.9°F58.9°F+2.0°NCLIMGRID
1936Nov45.3°F48.9°F-3.6°NCLIMGRID
1936Dec40.4°F39.8°F+0.6°NCLIMGRID
1937Jan45.1°F34.3°F+10.8°NCLIMGRID
1937Feb36.6°F36.5°F+0.1°NCLIMGRID
1937Mar40.9°F45.0°F-4.1°NCLIMGRID
1937Apr53.7°F54.2°F-0.5°NCLIMGRID
1937May64.2°F63.9°F+0.3°NCLIMGRID
1937Jun74.0°F72.6°F+1.4°NCLIMGRID
1937Jul77.1°F77.3°F-0.2°NCLIMGRID
1937Aug77.6°F76.1°F+1.5°NCLIMGRID
1937Sep66.7°F69.7°F-3.0°NCLIMGRID
1937Oct55.6°F58.9°F-3.3°NCLIMGRID
1937Nov46.1°F48.9°F-2.7°NCLIMGRID
1937Dec36.8°F39.8°F-3.0°NCLIMGRID
1938Jan35.7°F34.3°F+1.5°NCLIMGRID
1938Feb40.4°F36.5°F+3.9°NCLIMGRID
1938Mar47.9°F45.0°F+2.9°NCLIMGRID
1938Apr56.2°F54.2°F+2.0°NCLIMGRID
1938May62.9°F63.9°F-1.0°NCLIMGRID
1938Jun71.4°F72.6°F-1.2°NCLIMGRID
1938Jul77.3°F77.3°F+0.0°NCLIMGRID
1938Aug77.9°F76.1°F+1.8°NCLIMGRID
1938Sep68.3°F69.7°F-1.3°NCLIMGRID
1938Oct57.8°F58.9°F-1.1°NCLIMGRID
1938Nov50.3°F48.9°F+1.4°NCLIMGRID
1938Dec39.1°F39.8°F-0.7°NCLIMGRID
1939Jan37.9°F34.3°F+3.6°NCLIMGRID
1939Feb41.8°F36.5°F+5.3°NCLIMGRID
1939Mar45.1°F45.0°F+0.1°NCLIMGRID
1939Apr53.7°F54.2°F-0.5°NCLIMGRID
1939May65.3°F63.9°F+1.4°NCLIMGRID
1939Jun74.6°F72.6°F+2.0°NCLIMGRID
1939Jul75.6°F77.3°F-1.7°NCLIMGRID
1939Aug77.4°F76.1°F+1.4°NCLIMGRID
1939Sep71.5°F69.7°F+1.8°NCLIMGRID
1939Oct59.7°F58.9°F+0.8°NCLIMGRID
1939Nov44.5°F48.9°F-4.4°NCLIMGRID
1939Dec39.6°F39.8°F-0.2°NCLIMGRID
1940Jan25.4°F34.3°F-8.9°NCLIMGRID
1940Feb35.2°F36.5°F-1.3°NCLIMGRID
1940Mar40.6°F45.0°F-4.4°NCLIMGRID
1940Apr49.7°F54.2°F-4.6°NCLIMGRID
1940May63.6°F63.9°F-0.3°NCLIMGRID
1940Jun74.0°F72.6°F+1.4°NCLIMGRID
1940Jul76.8°F77.3°F-0.5°NCLIMGRID
1940Aug74.2°F76.1°F-1.9°NCLIMGRID
1940Sep67.0°F69.7°F-2.6°NCLIMGRID
1940Oct54.7°F58.9°F-4.2°NCLIMGRID
1940Nov47.6°F48.9°F-1.2°NCLIMGRID
1940Dec42.6°F39.8°F+2.8°NCLIMGRID
1941Jan35.0°F34.3°F+0.8°NCLIMGRID
1941Feb33.2°F36.5°F-3.3°NCLIMGRID
1941Mar38.4°F45.0°F-6.6°NCLIMGRID
1941Apr56.9°F54.2°F+2.7°NCLIMGRID
1941May66.1°F63.9°F+2.2°NCLIMGRID
1941Jun72.0°F72.6°F-0.6°NCLIMGRID
1941Jul76.8°F77.3°F-0.5°NCLIMGRID
1941Aug75.5°F76.1°F-0.5°NCLIMGRID
1941Sep72.5°F69.7°F+2.8°NCLIMGRID
1941Oct64.9°F58.9°F+6.0°NCLIMGRID
1941Nov50.1°F48.9°F+1.2°NCLIMGRID
1941Dec41.8°F39.8°F+2.0°NCLIMGRID
1942Jan34.2°F34.3°F-0.1°NCLIMGRID
1942Feb33.8°F36.5°F-2.7°NCLIMGRID
1942Mar45.3°F45.0°F+0.3°NCLIMGRID
1942Apr55.9°F54.2°F+1.6°NCLIMGRID
1942May68.1°F63.9°F+4.2°NCLIMGRID
1942Jun75.2°F72.6°F+2.5°NCLIMGRID
1942Jul79.3°F77.3°F+2.0°NCLIMGRID
1942Aug75.5°F76.1°F-0.6°NCLIMGRID
1942Sep71.7°F69.7°F+2.0°NCLIMGRID
1942Oct60.3°F58.9°F+1.3°NCLIMGRID
1942Nov49.3°F48.9°F+0.4°NCLIMGRID
1942Dec35.3°F39.8°F-4.5°NCLIMGRID
1943Jan37.8°F34.3°F+3.5°NCLIMGRID
1943Feb38.0°F36.5°F+1.5°NCLIMGRID
1943Mar43.9°F45.0°F-1.2°NCLIMGRID
1943Apr50.3°F54.2°F-3.9°NCLIMGRID
1943May66.7°F63.9°F+2.8°NCLIMGRID
1943Jun78.3°F72.6°F+5.7°NCLIMGRID
1943Jul78.2°F77.3°F+1.0°NCLIMGRID
1943Aug77.5°F76.1°F+1.4°NCLIMGRID
1943Sep68.3°F69.7°F-1.4°NCLIMGRID
1943Oct56.8°F58.9°F-2.1°NCLIMGRID
1943Nov46.8°F48.9°F-2.1°NCLIMGRID
1943Dec36.7°F39.8°F-3.1°NCLIMGRID
1944Jan36.9°F34.3°F+2.6°NCLIMGRID
1944Feb37.0°F36.5°F+0.5°NCLIMGRID
1944Mar42.4°F45.0°F-2.6°NCLIMGRID
1944Apr53.3°F54.2°F-1.0°NCLIMGRID
1944May69.5°F63.9°F+5.6°NCLIMGRID
1944Jun74.0°F72.6°F+1.4°NCLIMGRID
1944Jul77.3°F77.3°F+0.0°NCLIMGRID
1944Aug75.9°F76.1°F-0.1°NCLIMGRID
1944Sep71.2°F69.7°F+1.5°NCLIMGRID
1944Oct57.8°F58.9°F-1.2°NCLIMGRID
1944Nov47.0°F48.9°F-1.8°NCLIMGRID
1944Dec35.4°F39.8°F-4.4°NCLIMGRID
1945Jan31.9°F34.3°F-2.4°NCLIMGRID
1945Feb37.6°F36.5°F+1.1°NCLIMGRID
1945Mar53.3°F45.0°F+8.2°NCLIMGRID
1945Apr57.9°F54.2°F+3.7°NCLIMGRID
1945May61.5°F63.9°F-2.4°NCLIMGRID
1945Jun73.1°F72.6°F+0.5°NCLIMGRID
1945Jul76.0°F77.3°F-1.3°NCLIMGRID
1945Aug73.8°F76.1°F-2.3°NCLIMGRID
1945Sep73.2°F69.7°F+3.5°NCLIMGRID
1945Oct57.5°F58.9°F-1.4°NCLIMGRID
1945Nov49.8°F48.9°F+0.9°NCLIMGRID
1945Dec32.8°F39.8°F-7.0°NCLIMGRID
1946Jan37.1°F34.3°F+2.8°NCLIMGRID
1946Feb39.2°F36.5°F+2.7°NCLIMGRID
1946Mar51.1°F45.0°F+6.1°NCLIMGRID
1946Apr54.1°F54.2°F-0.1°NCLIMGRID
1946May64.2°F63.9°F+0.3°NCLIMGRID
1946Jun70.9°F72.6°F-1.7°NCLIMGRID
1946Jul75.1°F77.3°F-2.2°NCLIMGRID
1946Aug72.3°F76.1°F-3.8°NCLIMGRID
1946Sep69.8°F69.7°F+0.1°NCLIMGRID
1946Oct61.0°F58.9°F+2.1°NCLIMGRID
1946Nov52.4°F48.9°F+3.5°NCLIMGRID
1946Dec42.7°F39.8°F+2.9°NCLIMGRID
1947Jan42.0°F34.3°F+7.7°NCLIMGRID
1947Feb31.9°F36.5°F-4.6°NCLIMGRID
1947Mar38.6°F45.0°F-6.4°NCLIMGRID
1947Apr55.0°F54.2°F+0.8°NCLIMGRID
1947May64.7°F63.9°F+0.8°NCLIMGRID
1947Jun70.6°F72.6°F-2.0°NCLIMGRID
1947Jul75.5°F77.3°F-1.8°NCLIMGRID
1947Aug77.8°F76.1°F+1.7°NCLIMGRID
1947Sep70.6°F69.7°F+0.9°NCLIMGRID
1947Oct63.6°F58.9°F+4.7°NCLIMGRID
1947Nov45.8°F48.9°F-3.0°NCLIMGRID
1947Dec36.3°F39.8°F-3.5°NCLIMGRID
1948Jan29.6°F34.3°F-4.7°NCLIMGRID
1948Feb36.4°F36.5°F-0.1°NCLIMGRID
1948Mar46.9°F45.0°F+1.9°NCLIMGRID
1948Apr54.1°F54.2°F-0.1°NCLIMGRID
1948May63.8°F63.9°F-0.1°NCLIMGRID
1948Jun72.5°F72.6°F-0.1°NCLIMGRID
1948Jul77.2°F77.3°F-0.1°NCLIMGRID
1948Aug75.5°F76.1°F-0.6°NCLIMGRID
1948Sep69.1°F69.7°F-0.6°NCLIMGRID
1948Oct56.1°F58.9°F-2.8°NCLIMGRID
1948Nov53.3°F48.9°F+4.4°NCLIMGRID
1948Dec41.3°F39.8°F+1.5°NCLIMGRID
1949Jan43.3°F34.3°F+9.0°NCLIMGRID
1949Feb43.0°F36.5°F+6.5°NCLIMGRID
1949Mar45.6°F45.0°F+0.6°NCLIMGRID
1949Apr54.1°F54.2°F-0.2°NCLIMGRID
1949May64.4°F63.9°F+0.5°NCLIMGRID
1949Jun74.0°F72.6°F+1.3°NCLIMGRID
1949Jul79.9°F77.3°F+2.6°NCLIMGRID
1949Aug76.9°F76.1°F+0.9°NCLIMGRID
1949Sep67.8°F69.7°F-1.9°NCLIMGRID
1949Oct63.1°F58.9°F+4.2°NCLIMGRID
1949Nov48.6°F48.9°F-0.3°NCLIMGRID
1949Dec41.9°F39.8°F+2.1°NCLIMGRID
1950Jan47.0°F34.3°F+12.7°NCLIMGRID
1950Feb38.4°F36.5°F+1.9°NCLIMGRID
1950Mar41.7°F45.0°F-3.4°NCLIMGRID
1950Apr51.1°F54.2°F-3.1°NCLIMGRID
1950May62.2°F63.9°F-1.7°NCLIMGRID
1950Jun72.2°F72.6°F-0.5°NCLIMGRID
1950Jul75.6°F77.3°F-1.7°NCLIMGRID
1950Aug74.1°F76.1°F-2.0°NCLIMGRID
1950Sep67.6°F69.7°F-2.1°NCLIMGRID
1950Oct60.9°F58.9°F+2.0°NCLIMGRID
1950Nov48.1°F48.9°F-0.8°NCLIMGRID
1950Dec35.6°F39.8°F-4.2°NCLIMGRID
1951Jan39.3°F34.3°F+5.1°NCLIMGRID
1951Feb38.4°F36.5°F+1.9°NCLIMGRID
1951Mar43.8°F45.0°F-1.3°NCLIMGRID
1951Apr54.2°F54.2°F+0.0°NCLIMGRID
1951May63.2°F63.9°F-0.7°NCLIMGRID
1951Jun72.1°F72.6°F-0.6°NCLIMGRID
1951Jul77.6°F77.3°F+0.4°NCLIMGRID
1951Aug75.1°F76.1°F-0.9°NCLIMGRID
1951Sep69.7°F69.7°F+0.0°NCLIMGRID
1951Oct61.3°F58.9°F+2.4°NCLIMGRID
1951Nov45.0°F48.9°F-3.9°NCLIMGRID
1951Dec41.6°F39.8°F+1.8°NCLIMGRID
1952Jan40.5°F34.3°F+6.2°NCLIMGRID
1952Feb39.4°F36.5°F+2.9°NCLIMGRID
1952Mar43.6°F45.0°F-1.4°NCLIMGRID
1952Apr56.9°F54.2°F+2.7°NCLIMGRID
1952May63.3°F63.9°F-0.6°NCLIMGRID
1952Jun75.7°F72.6°F+3.0°NCLIMGRID
1952Jul79.9°F77.3°F+2.6°NCLIMGRID
1952Aug76.1°F76.1°F+0.0°NCLIMGRID
1952Sep69.3°F69.7°F-0.3°NCLIMGRID
1952Oct55.3°F58.9°F-3.6°NCLIMGRID
1952Nov48.3°F48.9°F-0.5°NCLIMGRID
1952Dec39.1°F39.8°F-0.7°NCLIMGRID
1953Jan41.6°F34.3°F+7.3°NCLIMGRID
1953Feb41.5°F36.5°F+5.0°NCLIMGRID
1953Mar46.1°F45.0°F+1.1°NCLIMGRID
1953Apr55.1°F54.2°F+0.9°NCLIMGRID
1953May68.1°F63.9°F+4.2°NCLIMGRID
1953Jun72.9°F72.6°F+0.3°NCLIMGRID
1953Jul78.2°F77.3°F+0.9°NCLIMGRID
1953Aug75.2°F76.1°F-0.9°NCLIMGRID
1953Sep69.9°F69.7°F+0.3°NCLIMGRID
1953Oct60.2°F58.9°F+1.3°NCLIMGRID
1953Nov48.3°F48.9°F-0.6°NCLIMGRID
1953Dec42.2°F39.8°F+2.4°NCLIMGRID
1954Jan36.1°F34.3°F+1.8°NCLIMGRID
1954Feb42.2°F36.5°F+5.7°NCLIMGRID
1954Mar45.2°F45.0°F+0.2°NCLIMGRID
1954Apr57.7°F54.2°F+3.5°NCLIMGRID
1954May62.6°F63.9°F-1.3°NCLIMGRID
1954Jun73.7°F72.6°F+1.0°NCLIMGRID
1954Jul77.0°F77.3°F-0.3°NCLIMGRID
1954Aug75.1°F76.1°F-0.9°NCLIMGRID
1954Sep71.6°F69.7°F+1.9°NCLIMGRID
1954Oct62.5°F58.9°F+3.6°NCLIMGRID
1954Nov46.4°F48.9°F-2.5°NCLIMGRID
1954Dec37.9°F39.8°F-1.9°NCLIMGRID
1955Jan34.3°F34.3°F+0.0°NCLIMGRID
1955Feb37.3°F36.5°F+0.8°NCLIMGRID
1955Mar47.4°F45.0°F+2.3°NCLIMGRID
1955Apr57.6°F54.2°F+3.3°NCLIMGRID
1955May65.6°F63.9°F+1.7°NCLIMGRID
1955Jun69.7°F72.6°F-3.0°NCLIMGRID
1955Jul80.4°F77.3°F+3.1°NCLIMGRID
1955Aug78.5°F76.1°F+2.4°NCLIMGRID
1955Sep69.7°F69.7°F+0.1°NCLIMGRID
1955Oct60.2°F58.9°F+1.3°NCLIMGRID
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1984Mar40.9°F45.0°F-4.1°NCLIMGRID
1984Apr52.6°F54.2°F-1.6°NCLIMGRID
1984May63.7°F63.9°F-0.2°NCLIMGRID
1984Jun73.9°F72.6°F+1.3°NCLIMGRID
1984Jul75.5°F77.3°F-1.8°NCLIMGRID
1984Aug76.3°F76.1°F+0.2°NCLIMGRID
1984Sep67.5°F69.7°F-2.2°NCLIMGRID
1984Oct64.3°F58.9°F+5.4°NCLIMGRID
1984Nov46.7°F48.9°F-2.2°NCLIMGRID
1984Dec46.2°F39.8°F+6.4°NCLIMGRID
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1985Feb37.0°F36.5°F+0.5°NCLIMGRID
1985Mar47.4°F45.0°F+2.3°NCLIMGRID
1985Apr59.0°F54.2°F+4.8°NCLIMGRID
1985May66.0°F63.9°F+2.1°NCLIMGRID
1985Jun71.5°F72.6°F-1.2°NCLIMGRID
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1985Nov56.4°F48.9°F+7.5°NCLIMGRID
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1986Jan35.1°F34.3°F+0.8°NCLIMGRID
1986Feb36.1°F36.5°F-0.4°NCLIMGRID
1986Mar45.8°F45.0°F+0.7°NCLIMGRID
1986Apr54.1°F54.2°F-0.1°NCLIMGRID
1986May66.5°F63.9°F+2.6°NCLIMGRID
1986Jun74.2°F72.6°F+1.6°NCLIMGRID
1986Jul80.3°F77.3°F+3.0°NCLIMGRID
1986Aug75.1°F76.1°F-1.0°NCLIMGRID
1986Sep69.8°F69.7°F+0.2°NCLIMGRID
1986Oct61.4°F58.9°F+2.5°NCLIMGRID
1986Nov48.8°F48.9°F-0.1°NCLIMGRID
1986Dec40.8°F39.8°F+1.0°NCLIMGRID
1987Jan34.5°F34.3°F+0.3°NCLIMGRID
1987Feb34.3°F36.5°F-2.2°NCLIMGRID
1987Mar45.2°F45.0°F+0.2°NCLIMGRID
1987Apr53.6°F54.2°F-0.6°NCLIMGRID
1987May65.0°F63.9°F+1.1°NCLIMGRID
1987Jun74.9°F72.6°F+2.3°NCLIMGRID
1987Jul79.8°F77.3°F+2.5°NCLIMGRID
1987Aug77.6°F76.1°F+1.5°NCLIMGRID
1987Sep72.1°F69.7°F+2.4°NCLIMGRID
1987Oct54.4°F58.9°F-4.5°NCLIMGRID
1987Nov50.6°F48.9°F+1.7°NCLIMGRID
1987Dec41.4°F39.8°F+1.6°NCLIMGRID
1988Jan30.5°F34.3°F-3.8°NCLIMGRID
1988Feb37.8°F36.5°F+1.3°NCLIMGRID
1988Mar45.4°F45.0°F+0.3°NCLIMGRID
1988Apr52.8°F54.2°F-1.5°NCLIMGRID
1988May63.8°F63.9°F-0.2°NCLIMGRID
1988Jun72.4°F72.6°F-0.2°NCLIMGRID
1988Jul79.1°F77.3°F+1.8°NCLIMGRID
1988Aug78.9°F76.1°F+2.8°NCLIMGRID
1988Sep68.2°F69.7°F-1.5°NCLIMGRID
1988Oct53.5°F58.9°F-5.4°NCLIMGRID
1988Nov49.7°F48.9°F+0.8°NCLIMGRID
1988Dec37.9°F39.8°F-1.9°NCLIMGRID
1989Jan40.0°F34.3°F+5.7°NCLIMGRID
1989Feb37.8°F36.5°F+1.3°NCLIMGRID
1989Mar44.9°F45.0°F-0.1°NCLIMGRID
1989Apr53.1°F54.2°F-1.1°NCLIMGRID
1989May63.4°F63.9°F-0.5°NCLIMGRID
1989Jun76.1°F72.6°F+3.5°NCLIMGRID
1989Jul77.1°F77.3°F-0.2°NCLIMGRID
1989Aug75.7°F76.1°F-0.4°NCLIMGRID
1989Sep70.9°F69.7°F+1.3°NCLIMGRID
1989Oct60.6°F58.9°F+1.6°NCLIMGRID
1989Nov48.2°F48.9°F-0.7°NCLIMGRID
1989Dec28.4°F39.8°F-11.4°NCLIMGRID
1990Jan42.9°F34.3°F+8.7°NCLIMGRID
1990Feb44.4°F36.5°F+7.9°NCLIMGRID
1990Mar48.5°F45.0°F+3.4°NCLIMGRID
1990Apr55.6°F54.2°F+1.3°NCLIMGRID
1990May63.5°F63.9°F-0.4°NCLIMGRID
1990Jun73.8°F72.6°F+1.2°NCLIMGRID
1990Jul79.4°F77.3°F+2.1°NCLIMGRID
1990Aug76.0°F76.1°F-0.1°NCLIMGRID
1990Sep68.4°F69.7°F-1.3°NCLIMGRID
1990Oct63.2°F58.9°F+4.2°NCLIMGRID
1990Nov50.8°F48.9°F+1.9°NCLIMGRID
1990Dec44.5°F39.8°F+4.7°NCLIMGRID
1991Jan38.2°F34.3°F+4.0°NCLIMGRID
1991Feb41.9°F36.5°F+5.4°NCLIMGRID
1991Mar48.0°F45.0°F+3.0°NCLIMGRID
1991Apr56.9°F54.2°F+2.7°NCLIMGRID
1991May70.0°F63.9°F+6.1°NCLIMGRID
1991Jun74.1°F72.6°F+1.4°NCLIMGRID
1991Jul79.7°F77.3°F+2.4°NCLIMGRID
1991Aug77.0°F76.1°F+0.9°NCLIMGRID
1991Sep69.6°F69.7°F+0.0°NCLIMGRID
1991Oct59.4°F58.9°F+0.5°NCLIMGRID
1991Nov48.9°F48.9°F+0.0°NCLIMGRID
1991Dec42.7°F39.8°F+2.9°NCLIMGRID
1992Jan38.4°F34.3°F+4.1°NCLIMGRID
1992Feb40.1°F36.5°F+3.6°NCLIMGRID
1992Mar43.8°F45.0°F-1.2°NCLIMGRID
1992Apr54.0°F54.2°F-0.2°NCLIMGRID
1992May60.8°F63.9°F-3.1°NCLIMGRID
1992Jun69.0°F72.6°F-3.6°NCLIMGRID
1992Jul78.1°F77.3°F+0.8°NCLIMGRID
1992Aug73.7°F76.1°F-2.4°NCLIMGRID
1992Sep70.3°F69.7°F+0.7°NCLIMGRID
1992Oct55.9°F58.9°F-3.0°NCLIMGRID
1992Nov49.9°F48.9°F+1.0°NCLIMGRID
1992Dec40.2°F39.8°F+0.4°NCLIMGRID
1993Jan39.7°F34.3°F+5.4°NCLIMGRID
1993Feb34.0°F36.5°F-2.5°NCLIMGRID
1993Mar42.0°F45.0°F-3.0°NCLIMGRID
1993Apr53.2°F54.2°F-1.0°NCLIMGRID
1993May65.5°F63.9°F+1.6°NCLIMGRID
1993Jun73.1°F72.6°F+0.5°NCLIMGRID
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1993Sep70.9°F69.7°F+1.2°NCLIMGRID
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1993Nov48.9°F48.9°F+0.0°NCLIMGRID
1993Dec37.0°F39.8°F-2.8°NCLIMGRID
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1994Feb35.6°F36.5°F-0.9°NCLIMGRID
1994Mar45.2°F45.0°F+0.2°NCLIMGRID
1994Apr59.6°F54.2°F+5.4°NCLIMGRID
1994May61.1°F63.9°F-2.8°NCLIMGRID
1994Jun75.3°F72.6°F+2.7°NCLIMGRID
1994Jul80.3°F77.3°F+3.0°NCLIMGRID
1994Aug73.7°F76.1°F-2.4°NCLIMGRID
1994Sep68.1°F69.7°F-1.6°NCLIMGRID
1994Oct57.3°F58.9°F-1.6°NCLIMGRID
1994Nov52.6°F48.9°F+3.8°NCLIMGRID
1994Dec44.0°F39.8°F+4.2°NCLIMGRID
1995Jan40.3°F34.3°F+6.0°NCLIMGRID
1995Feb36.0°F36.5°F-0.5°NCLIMGRID
1995Mar48.0°F45.0°F+2.9°NCLIMGRID
1995Apr56.1°F54.2°F+1.8°NCLIMGRID
1995May64.8°F63.9°F+0.9°NCLIMGRID
1995Jun73.0°F72.6°F+0.3°NCLIMGRID
1995Jul80.0°F77.3°F+2.7°NCLIMGRID
1995Aug77.8°F76.1°F+1.7°NCLIMGRID
1995Sep70.0°F69.7°F+0.4°NCLIMGRID
1995Oct62.0°F58.9°F+3.1°NCLIMGRID
1995Nov45.1°F48.9°F-3.8°NCLIMGRID
1995Dec35.3°F39.8°F-4.5°NCLIMGRID
1996Jan34.3°F34.3°F+0.0°NCLIMGRID
1996Feb36.4°F36.5°F-0.1°NCLIMGRID
1996Mar41.1°F45.0°F-3.9°NCLIMGRID
1996Apr54.4°F54.2°F+0.1°NCLIMGRID
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1996Jun73.6°F72.6°F+1.0°NCLIMGRID
1996Jul76.1°F77.3°F-1.2°NCLIMGRID
1996Aug74.4°F76.1°F-1.7°NCLIMGRID
1996Sep70.0°F69.7°F+0.4°NCLIMGRID
1996Oct59.1°F58.9°F+0.2°NCLIMGRID
1996Nov44.1°F48.9°F-4.8°NCLIMGRID
1996Dec43.6°F39.8°F+3.8°NCLIMGRID
1997Jan36.9°F34.3°F+2.6°NCLIMGRID
1997Feb42.2°F36.5°F+5.7°NCLIMGRID
1997Mar47.6°F45.0°F+2.6°NCLIMGRID
1997Apr52.3°F54.2°F-1.9°NCLIMGRID
1997May61.2°F63.9°F-2.7°NCLIMGRID
1997Jun70.0°F72.6°F-2.6°NCLIMGRID
1997Jul78.1°F77.3°F+0.8°NCLIMGRID
1997Aug74.8°F76.1°F-1.2°NCLIMGRID
1997Sep69.9°F69.7°F+0.2°NCLIMGRID
1997Oct59.0°F58.9°F+0.1°NCLIMGRID
1997Nov47.4°F48.9°F-1.5°NCLIMGRID
1997Dec40.6°F39.8°F+0.8°NCLIMGRID
1998Jan42.7°F34.3°F+8.4°NCLIMGRID
1998Feb43.0°F36.5°F+6.5°NCLIMGRID
1998Mar47.2°F45.0°F+2.2°NCLIMGRID
1998Apr57.5°F54.2°F+3.2°NCLIMGRID
1998May66.0°F63.9°F+2.1°NCLIMGRID
1998Jun73.2°F72.6°F+0.5°NCLIMGRID
1998Jul78.0°F77.3°F+0.7°NCLIMGRID
1998Aug77.7°F76.1°F+1.6°NCLIMGRID
1998Sep73.9°F69.7°F+4.2°NCLIMGRID
1998Oct59.8°F58.9°F+0.8°NCLIMGRID
1998Nov49.0°F48.9°F+0.1°NCLIMGRID
1998Dec44.2°F39.8°F+4.4°NCLIMGRID
1999Jan40.4°F34.3°F+6.2°NCLIMGRID
1999Feb39.6°F36.5°F+3.1°NCLIMGRID
1999Mar43.4°F45.0°F-1.7°NCLIMGRID
1999Apr55.5°F54.2°F+1.2°NCLIMGRID
1999May65.3°F63.9°F+1.4°NCLIMGRID
1999Jun72.4°F72.6°F-0.2°NCLIMGRID
1999Jul80.9°F77.3°F+3.6°NCLIMGRID
1999Aug77.5°F76.1°F+1.4°NCLIMGRID
1999Sep70.3°F69.7°F+0.6°NCLIMGRID
1999Oct58.3°F58.9°F-0.6°NCLIMGRID
1999Nov53.5°F48.9°F+4.6°NCLIMGRID
1999Dec42.6°F39.8°F+2.8°NCLIMGRID
2000Jan35.2°F34.3°F+0.9°NCLIMGRID
2000Feb40.7°F36.5°F+4.3°NCLIMGRID
2000Mar50.3°F45.0°F+5.2°NCLIMGRID
2000Apr54.7°F54.2°F+0.5°NCLIMGRID
2000May66.7°F63.9°F+2.8°NCLIMGRID
2000Jun74.6°F72.6°F+2.0°NCLIMGRID
2000Jul74.8°F77.3°F-2.5°NCLIMGRID
2000Aug75.4°F76.1°F-0.6°NCLIMGRID
2000Sep68.7°F69.7°F-0.9°NCLIMGRID
2000Oct59.5°F58.9°F+0.6°NCLIMGRID
2000Nov45.8°F48.9°F-3.0°NCLIMGRID
2000Dec32.8°F39.8°F-7.0°NCLIMGRID
2001Jan35.6°F34.3°F+1.3°NCLIMGRID
2001Feb40.3°F36.5°F+3.8°NCLIMGRID
2001Mar43.2°F45.0°F-1.8°NCLIMGRID
2001Apr55.5°F54.2°F+1.2°NCLIMGRID
2001May64.2°F63.9°F+0.3°NCLIMGRID
2001Jun74.7°F72.6°F+2.0°NCLIMGRID
2001Jul74.8°F77.3°F-2.5°NCLIMGRID
2001Aug77.8°F76.1°F+1.8°NCLIMGRID
2001Sep68.3°F69.7°F-1.4°NCLIMGRID
2001Oct59.1°F58.9°F+0.2°NCLIMGRID
2001Nov53.0°F48.9°F+4.1°NCLIMGRID
2001Dec45.6°F39.8°F+5.8°NCLIMGRID
2002Jan41.1°F34.3°F+6.8°NCLIMGRID
2002Feb42.3°F36.5°F+5.8°NCLIMGRID
2002Mar48.1°F45.0°F+3.1°NCLIMGRID
2002Apr58.9°F54.2°F+4.6°NCLIMGRID
2002May64.4°F63.9°F+0.5°NCLIMGRID
2002Jun74.7°F72.6°F+2.1°NCLIMGRID
2002Jul80.0°F77.3°F+2.7°NCLIMGRID
2002Aug79.5°F76.1°F+3.4°NCLIMGRID
2002Sep72.0°F69.7°F+2.4°NCLIMGRID
2002Oct60.7°F58.9°F+1.8°NCLIMGRID
2002Nov47.9°F48.9°F-1.0°NCLIMGRID
2002Dec38.0°F39.8°F-1.8°NCLIMGRID
2003Jan31.5°F34.3°F-2.8°NCLIMGRID
2003Feb34.7°F36.5°F-1.8°NCLIMGRID
2003Mar47.2°F45.0°F+2.2°NCLIMGRID
2003Apr54.4°F54.2°F+0.1°NCLIMGRID
2003May61.3°F63.9°F-2.7°NCLIMGRID
2003Jun72.4°F72.6°F-0.3°NCLIMGRID
2003Jul78.7°F77.3°F+1.4°NCLIMGRID
2003Aug78.2°F76.1°F+2.1°NCLIMGRID
2003Sep71.4°F69.7°F+1.7°NCLIMGRID
2003Oct58.1°F58.9°F-0.8°NCLIMGRID
2003Nov53.5°F48.9°F+4.6°NCLIMGRID
2003Dec39.9°F39.8°F+0.1°NCLIMGRID
2004Jan31.7°F34.3°F-2.6°NCLIMGRID
2004Feb37.6°F36.5°F+1.1°NCLIMGRID
2004Mar47.4°F45.0°F+2.4°NCLIMGRID
2004Apr56.1°F54.2°F+1.8°NCLIMGRID
2004May71.3°F63.9°F+7.4°NCLIMGRID
2004Jun73.0°F72.6°F+0.3°NCLIMGRID
2004Jul78.2°F77.3°F+0.9°NCLIMGRID
2004Aug75.4°F76.1°F-0.6°NCLIMGRID
2004Sep71.1°F69.7°F+1.4°NCLIMGRID
2004Oct58.4°F58.9°F-0.6°NCLIMGRID
2004Nov50.2°F48.9°F+1.3°NCLIMGRID
2004Dec41.2°F39.8°F+1.4°NCLIMGRID
2005Jan36.6°F34.3°F+2.3°NCLIMGRID
2005Feb38.6°F36.5°F+2.1°NCLIMGRID
2005Mar41.9°F45.0°F-3.2°NCLIMGRID
2005Apr55.9°F54.2°F+1.7°NCLIMGRID
2005May60.3°F63.9°F-3.6°NCLIMGRID
2005Jun73.7°F72.6°F+1.1°NCLIMGRID
2005Jul80.0°F77.3°F+2.7°NCLIMGRID
2005Aug79.5°F76.1°F+3.4°NCLIMGRID
2005Sep73.3°F69.7°F+3.7°NCLIMGRID
2005Oct61.1°F58.9°F+2.1°NCLIMGRID
2005Nov51.9°F48.9°F+3.0°NCLIMGRID
2005Dec37.5°F39.8°F-2.3°NCLIMGRID
2006Jan43.5°F34.3°F+9.2°NCLIMGRID
2006Feb38.5°F36.5°F+2.0°NCLIMGRID
2006Mar45.9°F45.0°F+0.9°NCLIMGRID
2006Apr57.8°F54.2°F+3.6°NCLIMGRID
2006May64.3°F63.9°F+0.4°NCLIMGRID
2006Jun73.5°F72.6°F+0.8°NCLIMGRID
2006Jul79.6°F77.3°F+2.3°NCLIMGRID
2006Aug79.2°F76.1°F+3.1°NCLIMGRID
2006Sep68.3°F69.7°F-1.3°NCLIMGRID
2006Oct58.4°F58.9°F-0.5°NCLIMGRID
2006Nov52.1°F48.9°F+3.2°NCLIMGRID
2006Dec45.4°F39.8°F+5.6°NCLIMGRID
2007Jan41.4°F34.3°F+7.1°NCLIMGRID
2007Feb31.4°F36.5°F-5.1°NCLIMGRID
2007Mar47.3°F45.0°F+2.3°NCLIMGRID
2007Apr53.6°F54.2°F-0.6°NCLIMGRID
2007May65.3°F63.9°F+1.4°NCLIMGRID
2007Jun74.2°F72.6°F+1.5°NCLIMGRID
2007Jul77.8°F77.3°F+0.5°NCLIMGRID
2007Aug78.7°F76.1°F+2.6°NCLIMGRID
2007Sep71.8°F69.7°F+2.1°NCLIMGRID
2007Oct66.6°F58.9°F+7.7°NCLIMGRID
2007Nov48.3°F48.9°F-0.6°NCLIMGRID
2007Dec41.8°F39.8°F+2.0°NCLIMGRID
2008Jan38.2°F34.3°F+3.9°NCLIMGRID
2008Feb41.2°F36.5°F+4.7°NCLIMGRID
2008Mar48.4°F45.0°F+3.4°NCLIMGRID
2008Apr57.4°F54.2°F+3.2°NCLIMGRID
2008May62.9°F63.9°F-1.1°NCLIMGRID
2008Jun76.4°F72.6°F+3.8°NCLIMGRID
2008Jul78.3°F77.3°F+1.0°NCLIMGRID
2008Aug74.9°F76.1°F-1.2°NCLIMGRID
2008Sep71.7°F69.7°F+2.1°NCLIMGRID
2008Oct58.3°F58.9°F-0.7°NCLIMGRID
2008Nov47.0°F48.9°F-1.9°NCLIMGRID
2008Dec43.1°F39.8°F+3.3°NCLIMGRID
2009Jan33.0°F34.3°F-1.3°NCLIMGRID
2009Feb39.6°F36.5°F+3.1°NCLIMGRID
2009Mar45.0°F45.0°F-0.1°NCLIMGRID
2009Apr57.3°F54.2°F+3.1°NCLIMGRID
2009May65.6°F63.9°F+1.7°NCLIMGRID
2009Jun73.0°F72.6°F+0.4°NCLIMGRID
2009Jul76.6°F77.3°F-0.7°NCLIMGRID
2009Aug78.8°F76.1°F+2.7°NCLIMGRID
2009Sep68.9°F69.7°F-0.8°NCLIMGRID
2009Oct59.6°F58.9°F+0.7°NCLIMGRID
2009Nov52.4°F48.9°F+3.5°NCLIMGRID
2009Dec39.2°F39.8°F-0.6°NCLIMGRID
2010Jan34.5°F34.3°F+0.2°NCLIMGRID
2010Feb32.7°F36.5°F-3.8°NCLIMGRID
2010Mar48.6°F45.0°F+3.6°NCLIMGRID
2010Apr59.1°F54.2°F+4.9°NCLIMGRID
2010May68.4°F63.9°F+4.5°NCLIMGRID
2010Jun78.9°F72.6°F+6.3°NCLIMGRID
2010Jul81.9°F77.3°F+4.6°NCLIMGRID
2010Aug78.8°F76.1°F+2.7°NCLIMGRID
2010Sep73.2°F69.7°F+3.6°NCLIMGRID
2010Oct61.0°F58.9°F+2.0°NCLIMGRID
2010Nov49.0°F48.9°F+0.1°NCLIMGRID
2010Dec32.5°F39.8°F-7.3°NCLIMGRID
2011Jan32.2°F34.3°F-2.0°NCLIMGRID
2011Feb41.0°F36.5°F+4.5°NCLIMGRID
2011Mar45.7°F45.0°F+0.7°NCLIMGRID
2011Apr59.0°F54.2°F+4.7°NCLIMGRID
2011May67.7°F63.9°F+3.8°NCLIMGRID
2011Jun76.3°F72.6°F+3.7°NCLIMGRID
2011Jul81.3°F77.3°F+4.0°NCLIMGRID
2011Aug77.3°F76.1°F+1.2°NCLIMGRID
2011Sep71.7°F69.7°F+2.1°NCLIMGRID
2011Oct59.2°F58.9°F+0.3°NCLIMGRID
2011Nov52.3°F48.9°F+3.4°NCLIMGRID
2011Dec45.1°F39.8°F+5.3°NCLIMGRID
2012Jan41.5°F34.3°F+7.2°NCLIMGRID
2012Feb43.1°F36.5°F+6.6°NCLIMGRID
2012Mar54.5°F45.0°F+9.5°NCLIMGRID
2012Apr57.5°F54.2°F+3.3°NCLIMGRID
2012May69.5°F63.9°F+5.6°NCLIMGRID
2012Jun74.5°F72.6°F+1.8°NCLIMGRID
2012Jul83.3°F77.3°F+6.0°NCLIMGRID
2012Aug78.7°F76.1°F+2.6°NCLIMGRID
2012Sep70.6°F69.7°F+1.0°NCLIMGRID
2012Oct61.6°F58.9°F+2.7°NCLIMGRID
2012Nov45.9°F48.9°F-3.0°NCLIMGRID
2012Dec46.0°F39.8°F+6.2°NCLIMGRID
2013Jan39.4°F34.3°F+5.1°NCLIMGRID
2013Feb38.1°F36.5°F+1.6°NCLIMGRID
2013Mar42.2°F45.0°F-2.9°NCLIMGRID
2013Apr56.4°F54.2°F+2.2°NCLIMGRID
2013May65.8°F63.9°F+1.9°NCLIMGRID
2013Jun75.6°F72.6°F+2.9°NCLIMGRID
2013Jul80.6°F77.3°F+3.3°NCLIMGRID
2013Aug75.6°F76.1°F-0.5°NCLIMGRID
2013Sep68.9°F69.7°F-0.8°NCLIMGRID
2013Oct61.7°F58.9°F+2.8°NCLIMGRID
2013Nov47.3°F48.9°F-1.6°NCLIMGRID
2013Dec42.7°F39.8°F+2.9°NCLIMGRID
2014Jan32.3°F34.3°F-1.9°NCLIMGRID
2014Feb36.4°F36.5°F+0.0°NCLIMGRID
2014Mar42.1°F45.0°F-2.9°NCLIMGRID
2014Apr54.4°F54.2°F+0.1°NCLIMGRID
2014May67.3°F63.9°F+3.4°NCLIMGRID
2014Jun74.3°F72.6°F+1.7°NCLIMGRID
2014Jul77.7°F77.3°F+0.4°NCLIMGRID
2014Aug74.6°F76.1°F-1.4°NCLIMGRID
2014Sep71.2°F69.7°F+1.5°NCLIMGRID
2014Oct62.2°F58.9°F+3.2°NCLIMGRID
2014Nov46.4°F48.9°F-2.5°NCLIMGRID
2014Dec42.5°F39.8°F+2.7°NCLIMGRID
2015Jan34.5°F34.3°F+0.2°NCLIMGRID
2015Feb28.2°F36.5°F-8.3°NCLIMGRID
2015Mar42.5°F45.0°F-2.5°NCLIMGRID
2015Apr55.6°F54.2°F+1.4°NCLIMGRID
2015May68.5°F63.9°F+4.6°NCLIMGRID
2015Jun75.7°F72.6°F+3.1°NCLIMGRID
2015Jul78.4°F77.3°F+1.1°NCLIMGRID
2015Aug75.8°F76.1°F-0.2°NCLIMGRID
2015Sep73.4°F69.7°F+3.7°NCLIMGRID
2015Oct58.9°F58.9°F+0.0°NCLIMGRID
2015Nov53.0°F48.9°F+4.2°NCLIMGRID
2015Dec52.3°F39.8°F+12.5°NCLIMGRID
2016Jan36.1°F34.3°F+1.9°NCLIMGRID
2016Feb40.0°F36.5°F+3.5°NCLIMGRID
2016Mar51.7°F45.0°F+6.7°NCLIMGRID
2016Apr55.1°F54.2°F+0.9°NCLIMGRID
2016May63.1°F63.9°F-0.8°NCLIMGRID
2016Jun74.2°F72.6°F+1.6°NCLIMGRID
2016Jul81.2°F77.3°F+3.9°NCLIMGRID
2016Aug81.0°F76.1°F+4.9°NCLIMGRID
2016Sep74.0°F69.7°F+4.4°NCLIMGRID
2016Oct62.7°F58.9°F+3.8°NCLIMGRID
2016Nov50.9°F48.9°F+2.0°NCLIMGRID
2016Dec41.4°F39.8°F+1.6°NCLIMGRID
2017Jan40.9°F34.3°F+6.6°NCLIMGRID
2017Feb45.7°F36.5°F+9.2°NCLIMGRID
2017Mar46.5°F45.0°F+1.4°NCLIMGRID
2017Apr61.8°F54.2°F+7.5°NCLIMGRID
2017May64.8°F63.9°F+0.9°NCLIMGRID
2017Jun75.4°F72.6°F+2.8°NCLIMGRID
2017Jul80.4°F77.3°F+3.1°NCLIMGRID
2017Aug76.0°F76.1°F-0.1°NCLIMGRID
2017Sep71.2°F69.7°F+1.5°NCLIMGRID
2017Oct64.6°F58.9°F+5.7°NCLIMGRID
2017Nov49.3°F48.9°F+0.4°NCLIMGRID
2017Dec38.0°F39.8°F-1.8°NCLIMGRID
2018Jan34.0°F34.3°F-0.3°NCLIMGRID
2018Feb45.3°F36.5°F+8.8°NCLIMGRID
2018Mar41.8°F45.0°F-3.2°NCLIMGRID
2018Apr53.5°F54.2°F-0.8°NCLIMGRID
2018May70.7°F63.9°F+6.8°NCLIMGRID
2018Jun75.4°F72.6°F+2.8°NCLIMGRID
2018Jul78.5°F77.3°F+1.2°NCLIMGRID
2018Aug80.3°F76.1°F+4.2°NCLIMGRID
2018Sep76.7°F69.7°F+7.0°NCLIMGRID
2018Oct62.5°F58.9°F+3.6°NCLIMGRID
2018Nov48.0°F48.9°F-0.9°NCLIMGRID
2018Dec42.8°F39.8°F+3.0°NCLIMGRID
2019Jan38.0°F34.3°F+3.7°NCLIMGRID
2019Feb41.4°F36.5°F+4.9°NCLIMGRID
2019Mar44.5°F45.0°F-0.6°NCLIMGRID
2019Apr60.3°F54.2°F+6.1°NCLIMGRID
2019May70.4°F63.9°F+6.5°NCLIMGRID
2019Jun76.0°F72.6°F+3.4°NCLIMGRID
2019Jul81.5°F77.3°F+4.2°NCLIMGRID
2019Aug78.6°F76.1°F+2.5°NCLIMGRID
2019Sep73.9°F69.7°F+4.2°NCLIMGRID
2019Oct64.3°F58.9°F+5.4°NCLIMGRID
2019Nov46.1°F48.9°F-2.8°NCLIMGRID
2019Dec42.6°F39.8°F+2.8°NCLIMGRID
2020Jan42.2°F34.3°F+7.9°NCLIMGRID
2020Feb43.9°F36.5°F+7.4°NCLIMGRID
2020Mar51.6°F45.0°F+6.6°NCLIMGRID
2020Apr54.8°F54.2°F+0.5°NCLIMGRID
2020May62.7°F63.9°F-1.2°NCLIMGRID
2020Jun75.0°F72.6°F+2.4°NCLIMGRID
2020Jul82.4°F77.3°F+5.1°NCLIMGRID
2020Aug79.1°F76.1°F+3.1°NCLIMGRID
2020Sep71.1°F69.7°F+1.4°NCLIMGRID
2020Oct63.1°F58.9°F+4.2°NCLIMGRID
2020Nov53.9°F48.9°F+5.0°NCLIMGRID
2020Dec41.8°F39.8°F+2.0°NCLIMGRID
2021Jan37.8°F34.3°F+3.5°NCLIMGRID
2021Feb37.7°F36.5°F+1.2°NCLIMGRID
2021Mar49.7°F45.0°F+4.6°NCLIMGRID
2021Apr57.3°F54.2°F+3.1°NCLIMGRID
2021May65.0°F63.9°F+1.1°NCLIMGRID
2021Jun75.4°F72.6°F+2.8°NCLIMGRID
2021Jul79.8°F77.3°F+2.5°NCLIMGRID
2021Aug79.8°F76.1°F+3.7°NCLIMGRID
2021Sep73.0°F69.7°F+3.3°NCLIMGRID
2021Oct66.4°F58.9°F+7.5°NCLIMGRID
2021Nov48.0°F48.9°F-0.9°NCLIMGRID
2021Dec47.3°F39.8°F+7.5°NCLIMGRID
2022Jan34.8°F34.3°F+0.5°NCLIMGRID
2022Feb41.9°F36.5°F+5.4°NCLIMGRID
2022Mar50.1°F45.0°F+5.0°NCLIMGRID
2022Apr56.2°F54.2°F+2.0°NCLIMGRID
2022May67.1°F63.9°F+3.2°NCLIMGRID
2022Jun74.6°F72.6°F+2.0°NCLIMGRID
2022Jul80.9°F77.3°F+3.7°NCLIMGRID
2022Aug80.1°F76.1°F+4.0°NCLIMGRID
2022Sep72.2°F69.7°F+2.5°NCLIMGRID
2022Oct58.6°F58.9°F-0.3°NCLIMGRID
2022Nov52.7°F48.9°F+3.8°NCLIMGRID
2022Dec40.4°F39.8°F+0.6°NCLIMGRID
2023Jan45.2°F34.3°F+10.9°NCLIMGRID
2023Feb45.6°F36.5°F+9.1°NCLIMGRID
2023Mar48.2°F45.0°F+3.2°NCLIMGRID
2023Apr61.0°F54.2°F+6.8°NCLIMGRID
2023May63.7°F63.9°F-0.2°NCLIMGRID
2023Jun72.1°F72.6°F-0.5°NCLIMGRID
2023Jul81.3°F77.3°F+4.0°NCLIMGRID
2023Aug78.5°F76.1°F+2.4°NCLIMGRID
2023Sep73.4°F69.7°F+3.7°NCLIMGRID
2023Oct63.0°F58.9°F+4.1°NCLIMGRID
2023Nov48.9°F48.9°F+0.0°NCLIMGRID
2023Dec45.9°F39.8°F+6.1°NCLIMGRID
2024Jan40.8°F34.3°F+6.5°NCLIMGRID
2024Feb41.6°F36.5°F+5.1°NCLIMGRID
2024Mar50.4°F45.0°F+5.4°NCLIMGRID
2024Apr58.6°F54.2°F+4.3°NCLIMGRID
2024May67.1°F63.9°F+3.2°NCLIMGRID
2024Jun76.7°F72.6°F+4.0°NCLIMGRID
2024Jul80.3°F77.3°F+3.0°NCLIMGRID
2024Aug77.1°F76.1°F+1.0°NCLIMGRID
2024Sep71.1°F69.7°F+1.4°NCLIMGRID
2024Oct61.3°F58.9°F+2.3°NCLIMGRID
2024Nov53.5°F48.9°F+4.7°NCLIMGRID
2024Dec41.2°F39.8°F+1.4°NCLIMGRID
2025Jan32.4°F34.3°F-1.9°NCLIMGRID
2025Feb39.7°F36.5°F+3.2°NCLIMGRID
2025Mar51.3°F45.0°F+6.3°NCLIMGRID
2025Apr59.3°F54.2°F+5.1°NCLIMGRID
2025May67.7°F63.9°F+3.8°NCLIMGRID
2025Jun77.4°F72.6°F+4.7°NCLIMGRID
2025Jul81.6°F77.3°F+4.3°NCLIMGRID
2025Aug73.5°F76.1°F-2.6°NCLIMGRID
2025Sep70.6°F69.7°F+1.0°NCLIMGRID
2025Oct59.6°F58.9°F+0.6°NCLIMGRID
2025Nov48.8°F48.9°F+0.0°NCLIMGRID
2025Dec37.2°F39.8°F-2.6°NCLIMGRID
2026Jan33.8°F34.3°F-0.5°NCLIMGRID
2026Feb35.1°F36.5°F-1.4°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
January34.3°F26/26
February36.5°F26/26
March45.0°F26/26
April54.2°F26/26
May63.9°F26/26
June72.6°F26/26
July77.3°F26/26
August76.1°F26/26
September69.7°F26/26
October58.9°F26/26
November48.9°F26/26
December39.8°F26/26

4. Anomaly Calculation

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

Anomaly = Actual Temperature − Baseline[month]

5. Smoothing

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

6. Reading the Visualizations

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

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

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

7. Data Quality Notes

Frequently Asked Questions

Is Deal Island, Maryland getting warmer?

Based on 96+ years of NOAA temperature records, Deal Island has warmed at a rate of approximately 0.30°F per decade. This trend is calculated from monthly temperature anomalies relative to the location's historical baseline period.

What was the warmest year on record in Deal Island?

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

Where does the temperature data for Deal Island 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 Deal Island's climate profile.

How are the climate visualizations for Deal Island created?

Three visualizations are generated from Deal Island'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 Deal Island's temperature data?

Yes. The interactive data table on this page shows every monthly temperature reading in Deal Island'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 Deal Island's actual NOAA data. Every purchase plants a tree.

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