Climate Change in Vienna, Maryland

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

Based on our analysis of 96 years of temperature data near Vienna, 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 +4.2°F above the historical baseline.

Key Climate Facts

Rate of Change

+0.3°F

per decade

Warmest Year

2012

+4.2°F anomaly

Recent Warm Years

10 / 10

above-average years

Decade Shift

+3.0°F

2020s vs 1930s

Compared to the National Average

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

National: +0.20°F/decade
Vienna: +0.32°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 Vienna's long-term warming trend.

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

Temperature Trend

Annual temperature anomalies plotted over time with a linear regression trend line. The slope of +0.32°F per decade quantifies the rate of change.

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

Temperature by Decade

1930s
+0.09°F
1940s
+0.01°F
1950s
+0.30°F
1960s
-1.04°F
1970s
-0.10°F
1980s
+0.05°F
1990s
+1.14°F
2000s
+1.44°F
2010s
+2.38°F
2020s
+2.99°F

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

Anomaly Scale

-4.1°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 Vienna, MD. Filter by decade or download as CSV.

Data Sources & Audit

Station
nClimGrid 5km Grid Point
Distance
0.6 mi
Coverage
99.1%
Records
1,154
Range
1930-01 – 2026-02
Full Data Audit 1,154 records
YearMonthTempBaselineAnomalySourceGap
1930Jan36.7°F33.6°F+3.1°NCLIMGRID
1930Feb40.4°F36.0°F+4.4°NCLIMGRID
1930Mar43.2°F44.8°F-1.6°NCLIMGRID
1930Apr51.1°F54.0°F-2.9°NCLIMGRID
1930May65.8°F63.6°F+2.2°NCLIMGRID
1930Jun73.3°F72.3°F+1.0°NCLIMGRID
1930Jul78.1°F76.8°F+1.3°NCLIMGRID
1930Aug74.5°F75.5°F-1.0°NCLIMGRID
1930Sep74.6°F68.8°F+5.8°NCLIMGRID
1930Oct55.4°F58.1°F-2.7°NCLIMGRID
1930Nov46.7°F48.2°F-1.6°NCLIMGRID
1930Dec35.3°F39.0°F-3.7°NCLIMGRID
1931Jan36.0°F33.6°F+2.4°NCLIMGRID
1931Feb37.7°F36.0°F+1.7°NCLIMGRID
1931Mar40.0°F44.8°F-4.8°NCLIMGRID
1931Apr51.6°F54.0°F-2.3°NCLIMGRID
1931May62.8°F63.6°F-0.8°NCLIMGRID
1931Jun71.2°F72.3°F-1.1°NCLIMGRID
1931Jul78.6°F76.8°F+1.8°NCLIMGRID
1931Aug75.3°F75.5°F-0.2°NCLIMGRID
1931Sep73.2°F68.8°F+4.4°NCLIMGRID
1931Oct60.5°F58.1°F+2.4°NCLIMGRID
1931Nov52.3°F48.2°F+4.1°NCLIMGRID
1931Dec44.4°F39.0°F+5.4°NCLIMGRID
1932Jan45.8°F33.6°F+12.2°NCLIMGRID
1932Feb41.4°F36.0°F+5.4°NCLIMGRID
1932Mar40.2°F44.8°F-4.6°NCLIMGRID
1932Apr51.5°F54.0°F-2.5°NCLIMGRID
1932May62.0°F63.6°F-1.6°NCLIMGRID
1932Jun71.8°F72.3°F-0.5°NCLIMGRID
1932Jul76.0°F76.8°F-0.8°NCLIMGRID
1932Aug75.7°F75.5°F+0.2°NCLIMGRID
1932Sep69.0°F68.8°F+0.2°NCLIMGRID
1932Oct58.7°F58.1°F+0.6°NCLIMGRID
1932Nov45.7°F48.2°F-2.5°NCLIMGRID
1932Dec39.6°F39.0°F+0.6°NCLIMGRID
1933Jan42.4°F33.6°F+8.8°NCLIMGRID
1933Feb38.3°F36.0°F+2.3°NCLIMGRID
1933Mar42.1°F44.8°F-2.6°NCLIMGRID
1933Apr53.1°F54.0°F-0.9°NCLIMGRID
1933May66.1°F63.6°F+2.5°NCLIMGRID
1933Jun73.0°F72.3°F+0.7°NCLIMGRID
1933Jul74.8°F76.8°F-2.1°NCLIMGRID
1933Aug75.7°F75.5°F+0.2°NCLIMGRID
1933Sep72.7°F68.8°F+3.9°NCLIMGRID
1933Oct56.6°F58.1°F-1.5°NCLIMGRID
1933Nov43.8°F48.2°F-4.4°NCLIMGRID
1933Dec38.3°F39.0°F-0.7°NCLIMGRID
1934Jan38.5°F33.6°F+4.9°NCLIMGRID
1934Feb24.3°F36.0°F-11.7°NCLIMGRID
1934Mar40.2°F44.8°F-4.6°NCLIMGRID
1934Apr52.4°F54.0°F-1.6°NCLIMGRID
1934May64.4°F63.6°F+0.8°NCLIMGRID
1934Jun75.7°F72.3°F+3.4°NCLIMGRID
1934Jul79.2°F76.8°F+2.3°NCLIMGRID
1934Aug73.5°F75.5°F-2.0°NCLIMGRID
1934Sep70.2°F68.8°F+1.4°NCLIMGRID
1934Oct55.9°F58.1°F-2.2°NCLIMGRID
1934Nov48.8°F48.2°F+0.5°NCLIMGRID
1934Dec36.4°F39.0°F-2.6°NCLIMGRID
1935Jan33.3°F33.6°F-0.2°NCLIMGRID
1935Feb35.0°F36.0°F-1.0°NCLIMGRID
1935Mar48.1°F44.8°F+3.3°NCLIMGRID
1935Apr50.3°F54.0°F-3.7°NCLIMGRID
1935May60.3°F63.6°F-3.3°NCLIMGRID
1935Jun71.7°F72.3°F-0.6°NCLIMGRID
1935Jul77.2°F76.8°F+0.3°NCLIMGRID
1935Aug74.6°F75.5°F-0.9°NCLIMGRID
1935Sep66.7°F68.8°F-2.1°NCLIMGRID
1935Oct57.0°F58.1°F-1.1°NCLIMGRID
1935Nov50.3°F48.2°F+2.0°NCLIMGRID
1935Dec31.4°F39.0°F-7.6°NCLIMGRID
1936Jan30.6°F33.6°F-2.9°NCLIMGRID
1936Feb28.5°F36.0°F-7.6°NCLIMGRID
1936Mar48.8°F44.8°F+4.0°NCLIMGRID
1936Apr50.9°F54.0°F-3.0°NCLIMGRID
1936May65.0°F63.6°F+1.4°NCLIMGRID
1936Jun71.9°F72.3°F-0.5°NCLIMGRID
1936Jul76.4°F76.8°F-0.5°NCLIMGRID
1936Aug77.1°F75.5°F+1.6°NCLIMGRID
1936Sep70.4°F68.8°F+1.6°NCLIMGRID
1936Oct59.8°F58.1°F+1.7°NCLIMGRID
1936Nov44.6°F48.2°F-3.6°NCLIMGRID
1936Dec40.0°F39.0°F+1.1°NCLIMGRID
1937Jan44.5°F33.6°F+11.0°NCLIMGRID
1937Feb36.6°F36.0°F+0.6°NCLIMGRID
1937Mar40.6°F44.8°F-4.1°NCLIMGRID
1937Apr53.4°F54.0°F-0.6°NCLIMGRID
1937May64.0°F63.6°F+0.3°NCLIMGRID
1937Jun73.7°F72.3°F+1.3°NCLIMGRID
1937Jul76.6°F76.8°F-0.3°NCLIMGRID
1937Aug77.0°F75.5°F+1.5°NCLIMGRID
1937Sep65.5°F68.8°F-3.3°NCLIMGRID
1937Oct54.8°F58.1°F-3.3°NCLIMGRID
1937Nov45.6°F48.2°F-2.7°NCLIMGRID
1937Dec36.2°F39.0°F-2.8°NCLIMGRID
1938Jan35.0°F33.6°F+1.4°NCLIMGRID
1938Feb40.2°F36.0°F+4.2°NCLIMGRID
1938Mar47.6°F44.8°F+2.9°NCLIMGRID
1938Apr55.8°F54.0°F+1.9°NCLIMGRID
1938May62.3°F63.6°F-1.3°NCLIMGRID
1938Jun71.2°F72.3°F-1.2°NCLIMGRID
1938Jul77.0°F76.8°F+0.1°NCLIMGRID
1938Aug77.0°F75.5°F+1.5°NCLIMGRID
1938Sep67.5°F68.8°F-1.3°NCLIMGRID
1938Oct56.9°F58.1°F-1.2°NCLIMGRID
1938Nov49.4°F48.2°F+1.1°NCLIMGRID
1938Dec38.3°F39.0°F-0.7°NCLIMGRID
1939Jan37.0°F33.6°F+3.4°NCLIMGRID
1939Feb41.5°F36.0°F+5.5°NCLIMGRID
1939Mar44.9°F44.8°F+0.1°NCLIMGRID
1939Apr53.3°F54.0°F-0.6°NCLIMGRID
1939May64.9°F63.6°F+1.3°NCLIMGRID
1939Jun74.4°F72.3°F+2.0°NCLIMGRID
1939Jul75.5°F76.8°F-1.3°NCLIMGRID
1939Aug77.2°F75.5°F+1.7°NCLIMGRID
1939Sep70.1°F68.8°F+1.3°NCLIMGRID
1939Oct58.5°F58.1°F+0.4°NCLIMGRID
1939Nov43.5°F48.2°F-4.8°NCLIMGRID
1939Dec38.7°F39.0°F-0.3°NCLIMGRID
1940Jan23.9°F33.6°F-9.6°NCLIMGRID
1940Feb35.0°F36.0°F-1.1°NCLIMGRID
1940Mar40.0°F44.8°F-4.7°NCLIMGRID
1940Apr49.1°F54.0°F-4.9°NCLIMGRID
1940May62.9°F63.6°F-0.7°NCLIMGRID
1940Jun73.4°F72.3°F+1.1°NCLIMGRID
1940Jul76.5°F76.8°F-0.4°NCLIMGRID
1940Aug73.4°F75.5°F-2.1°NCLIMGRID
1940Sep65.9°F68.8°F-2.9°NCLIMGRID
1940Oct53.8°F58.1°F-4.3°NCLIMGRID
1940Nov46.8°F48.2°F-1.4°NCLIMGRID
1940Dec41.8°F39.0°F+2.9°NCLIMGRID
1941Jan34.1°F33.6°F+0.6°NCLIMGRID
1941Feb32.8°F36.0°F-3.2°NCLIMGRID
1941Mar38.0°F44.8°F-6.7°NCLIMGRID
1941Apr56.6°F54.0°F+2.6°NCLIMGRID
1941May65.2°F63.6°F+1.6°NCLIMGRID
1941Jun71.2°F72.3°F-1.1°NCLIMGRID
1941Jul76.5°F76.8°F-0.4°NCLIMGRID
1941Aug74.5°F75.5°F-1.0°NCLIMGRID
1941Sep71.5°F68.8°F+2.7°NCLIMGRID
1941Oct63.9°F58.1°F+5.8°NCLIMGRID
1941Nov49.1°F48.2°F+0.9°NCLIMGRID
1941Dec40.9°F39.0°F+1.9°NCLIMGRID
1942Jan33.6°F33.6°F+0.0°NCLIMGRID
1942Feb33.7°F36.0°F-2.3°NCLIMGRID
1942Mar45.1°F44.8°F+0.3°NCLIMGRID
1942Apr55.7°F54.0°F+1.7°NCLIMGRID
1942May67.4°F63.6°F+3.8°NCLIMGRID
1942Jun74.0°F72.3°F+1.7°NCLIMGRID
1942Jul78.4°F76.8°F+1.6°NCLIMGRID
1942Aug74.5°F75.5°F-1.0°NCLIMGRID
1942Sep70.3°F68.8°F+1.5°NCLIMGRID
1942Oct59.3°F58.1°F+1.2°NCLIMGRID
1942Nov48.7°F48.2°F+0.4°NCLIMGRID
1942Dec34.1°F39.0°F-4.8°NCLIMGRID
1943Jan36.3°F33.6°F+2.8°NCLIMGRID
1943Feb37.4°F36.0°F+1.4°NCLIMGRID
1943Mar43.6°F44.8°F-1.1°NCLIMGRID
1943Apr49.7°F54.0°F-4.3°NCLIMGRID
1943May66.1°F63.6°F+2.5°NCLIMGRID
1943Jun78.0°F72.3°F+5.7°NCLIMGRID
1943Jul77.6°F76.8°F+0.8°NCLIMGRID
1943Aug76.9°F75.5°F+1.5°NCLIMGRID
1943Sep67.3°F68.8°F-1.5°NCLIMGRID
1943Oct55.5°F58.1°F-2.6°NCLIMGRID
1943Nov45.3°F48.2°F-2.9°NCLIMGRID
1943Dec36.1°F39.0°F-2.9°NCLIMGRID
1944Jan36.2°F33.6°F+2.6°NCLIMGRID
1944Feb36.3°F36.0°F+0.3°NCLIMGRID
1944Mar42.3°F44.8°F-2.5°NCLIMGRID
1944Apr52.6°F54.0°F-1.3°NCLIMGRID
1944May69.2°F63.6°F+5.6°NCLIMGRID
1944Jun73.6°F72.3°F+1.3°NCLIMGRID
1944Jul77.0°F76.8°F+0.2°NCLIMGRID
1944Aug75.3°F75.5°F-0.2°NCLIMGRID
1944Sep70.3°F68.8°F+1.5°NCLIMGRID
1944Oct56.6°F58.1°F-1.5°NCLIMGRID
1944Nov46.3°F48.2°F-1.9°NCLIMGRID
1944Dec34.4°F39.0°F-4.5°NCLIMGRID
1945Jan30.8°F33.6°F-2.7°NCLIMGRID
1945Feb37.0°F36.0°F+1.0°NCLIMGRID
1945Mar53.4°F44.8°F+8.6°NCLIMGRID
1945Apr56.9°F54.0°F+3.0°NCLIMGRID
1945May61.0°F63.6°F-2.6°NCLIMGRID
1945Jun72.7°F72.3°F+0.3°NCLIMGRID
1945Jul75.4°F76.8°F-1.5°NCLIMGRID
1945Aug73.3°F75.5°F-2.2°NCLIMGRID
1945Sep72.2°F68.8°F+3.4°NCLIMGRID
1945Oct56.4°F58.1°F-1.7°NCLIMGRID
1945Nov49.1°F48.2°F+0.9°NCLIMGRID
1945Dec31.8°F39.0°F-7.1°NCLIMGRID
1946Jan36.6°F33.6°F+3.1°NCLIMGRID
1946Feb39.0°F36.0°F+2.9°NCLIMGRID
1946Mar50.9°F44.8°F+6.2°NCLIMGRID
1946Apr53.2°F54.0°F-0.7°NCLIMGRID
1946May63.8°F63.6°F+0.2°NCLIMGRID
1946Jun70.4°F72.3°F-1.9°NCLIMGRID
1946Jul74.3°F76.8°F-2.6°NCLIMGRID
1946Aug71.2°F75.5°F-4.3°NCLIMGRID
1946Sep68.6°F68.8°F-0.2°NCLIMGRID
1946Oct59.8°F58.1°F+1.7°NCLIMGRID
1946Nov51.2°F48.2°F+2.9°NCLIMGRID
1946Dec41.6°F39.0°F+2.6°NCLIMGRID
1947Jan41.3°F33.6°F+7.8°NCLIMGRID
1947Feb31.3°F36.0°F-4.7°NCLIMGRID
1947Mar38.1°F44.8°F-6.6°NCLIMGRID
1947Apr54.7°F54.0°F+0.8°NCLIMGRID
1947May64.1°F63.6°F+0.5°NCLIMGRID
1947Jun70.1°F72.3°F-2.2°NCLIMGRID
1947Jul74.8°F76.8°F-2.0°NCLIMGRID
1947Aug77.1°F75.5°F+1.6°NCLIMGRID
1947Sep69.5°F68.8°F+0.7°NCLIMGRID
1947Oct62.5°F58.1°F+4.4°NCLIMGRID
1947Nov44.0°F48.2°F-4.3°NCLIMGRID
1947Dec35.1°F39.0°F-3.9°NCLIMGRID
1948Jan28.3°F33.6°F-5.2°NCLIMGRID
1948Feb35.7°F36.0°F-0.3°NCLIMGRID
1948Mar47.0°F44.8°F+2.2°NCLIMGRID
1948Apr53.7°F54.0°F-0.3°NCLIMGRID
1948May63.5°F63.6°F-0.1°NCLIMGRID
1948Jun72.1°F72.3°F-0.2°NCLIMGRID
1948Jul76.3°F76.8°F-0.5°NCLIMGRID
1948Aug75.3°F75.5°F-0.2°NCLIMGRID
1948Sep68.1°F68.8°F-0.7°NCLIMGRID
1948Oct55.4°F58.1°F-2.7°NCLIMGRID
1948Nov52.0°F48.2°F+3.7°NCLIMGRID
1948Dec39.9°F39.0°F+1.0°NCLIMGRID
1949Jan42.5°F33.6°F+8.9°NCLIMGRID
1949Feb42.8°F36.0°F+6.7°NCLIMGRID
1949Mar45.3°F44.8°F+0.5°NCLIMGRID
1949Apr53.5°F54.0°F-0.5°NCLIMGRID
1949May64.2°F63.6°F+0.6°NCLIMGRID
1949Jun73.9°F72.3°F+1.6°NCLIMGRID
1949Jul80.0°F76.8°F+3.1°NCLIMGRID
1949Aug76.5°F75.5°F+1.0°NCLIMGRID
1949Sep66.8°F68.8°F-2.0°NCLIMGRID
1949Oct62.5°F58.1°F+4.3°NCLIMGRID
1949Nov47.2°F48.2°F-1.0°NCLIMGRID
1949Dec40.7°F39.0°F+1.7°NCLIMGRID
1950Jan46.8°F33.6°F+13.2°NCLIMGRID
1950Feb37.9°F36.0°F+1.8°NCLIMGRID
1950Mar41.4°F44.8°F-3.3°NCLIMGRID
1950Apr50.6°F54.0°F-3.3°NCLIMGRID
1950May62.0°F63.6°F-1.6°NCLIMGRID
1950Jun71.4°F72.3°F-0.9°NCLIMGRID
1950Jul75.3°F76.8°F-1.5°NCLIMGRID
1950Aug73.5°F75.5°F-2.0°NCLIMGRID
1950Sep66.5°F68.8°F-2.3°NCLIMGRID
1950Oct60.1°F58.1°F+2.0°NCLIMGRID
1950Nov47.3°F48.2°F-1.0°NCLIMGRID
1950Dec34.9°F39.0°F-4.1°NCLIMGRID
1951Jan38.7°F33.6°F+5.1°NCLIMGRID
1951Feb38.4°F36.0°F+2.3°NCLIMGRID
1951Mar43.9°F44.8°F-0.9°NCLIMGRID
1951Apr53.6°F54.0°F-0.4°NCLIMGRID
1951May62.6°F63.6°F-1.0°NCLIMGRID
1951Jun71.7°F72.3°F-0.6°NCLIMGRID
1951Jul77.2°F76.8°F+0.4°NCLIMGRID
1951Aug74.5°F75.5°F-1.0°NCLIMGRID
1951Sep68.4°F68.8°F-0.4°NCLIMGRID
1951Oct60.5°F58.1°F+2.3°NCLIMGRID
1951Nov44.1°F48.2°F-4.2°NCLIMGRID
1951Dec40.6°F39.0°F+1.6°NCLIMGRID
1952Jan39.8°F33.6°F+6.2°NCLIMGRID
1952Feb39.2°F36.0°F+3.2°NCLIMGRID
1952Mar43.3°F44.8°F-1.5°NCLIMGRID
1952Apr56.0°F54.0°F+2.0°NCLIMGRID
1952May62.5°F63.6°F-1.1°NCLIMGRID
1952Jun75.0°F72.3°F+2.6°NCLIMGRID
1952Jul79.5°F76.8°F+2.7°NCLIMGRID
1952Aug75.5°F75.5°F+0.0°NCLIMGRID
1952Sep68.6°F68.8°F-0.2°NCLIMGRID
1952Oct54.2°F58.1°F-3.9°NCLIMGRID
1952Nov47.1°F48.2°F-1.2°NCLIMGRID
1952Dec38.3°F39.0°F-0.7°NCLIMGRID
1953Jan40.6°F33.6°F+7.1°NCLIMGRID
1953Feb40.5°F36.0°F+4.4°NCLIMGRID
1953Mar45.1°F44.8°F+0.3°NCLIMGRID
1953Apr54.3°F54.0°F+0.3°NCLIMGRID
1953May67.6°F63.6°F+4.0°NCLIMGRID
1953Jun72.1°F72.3°F-0.3°NCLIMGRID
1953Jul77.2°F76.8°F+0.4°NCLIMGRID
1953Aug74.4°F75.5°F-1.1°NCLIMGRID
1953Sep68.6°F68.8°F-0.2°NCLIMGRID
1953Oct58.9°F58.1°F+0.7°NCLIMGRID
1953Nov47.3°F48.2°F-1.0°NCLIMGRID
1953Dec41.3°F39.0°F+2.3°NCLIMGRID
1954Jan35.4°F33.6°F+1.8°NCLIMGRID
1954Feb42.3°F36.0°F+6.2°NCLIMGRID
1954Mar44.9°F44.8°F+0.1°NCLIMGRID
1954Apr57.3°F54.0°F+3.3°NCLIMGRID
1954May61.7°F63.6°F-1.9°NCLIMGRID
1954Jun72.4°F72.3°F+0.0°NCLIMGRID
1954Jul76.6°F76.8°F-0.2°NCLIMGRID
1954Aug74.3°F75.5°F-1.2°NCLIMGRID
1954Sep70.7°F68.8°F+1.9°NCLIMGRID
1954Oct62.2°F58.1°F+4.1°NCLIMGRID
1954Nov45.2°F48.2°F-3.1°NCLIMGRID
1954Dec37.1°F39.0°F-1.8°NCLIMGRID
1955Jan33.5°F33.6°F-0.1°NCLIMGRID
1955Feb37.0°F36.0°F+1.0°NCLIMGRID
1955Mar47.4°F44.8°F+2.6°NCLIMGRID
1955Apr57.1°F54.0°F+3.2°NCLIMGRID
1955May65.2°F63.6°F+1.6°NCLIMGRID
1955Jun68.7°F72.3°F-3.6°NCLIMGRID
1955Jul80.1°F76.8°F+3.3°NCLIMGRID
1955Aug77.7°F75.5°F+2.2°NCLIMGRID
1955Sep68.8°F68.8°F-0.1°NCLIMGRID
1955Oct58.9°F58.1°F+0.8°NCLIMGRID
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1984Mar40.2°F44.8°F-4.6°NCLIMGRID
1984Apr52.5°F54.0°F-1.5°NCLIMGRID
1984May63.4°F63.6°F-0.2°NCLIMGRID
1984Jun73.7°F72.3°F+1.3°NCLIMGRID
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1984Aug75.6°F75.5°F+0.1°NCLIMGRID
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1984Oct63.6°F58.1°F+5.5°NCLIMGRID
1984Nov45.7°F48.2°F-2.5°NCLIMGRID
1984Dec45.7°F39.0°F+6.7°NCLIMGRID
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1985Feb36.7°F36.0°F+0.6°NCLIMGRID
1985Mar47.6°F44.8°F+2.8°NCLIMGRID
1985Apr58.8°F54.0°F+4.9°NCLIMGRID
1985May65.5°F63.6°F+1.9°NCLIMGRID
1985Jun70.4°F72.3°F-1.9°NCLIMGRID
1985Jul76.3°F76.8°F-0.5°NCLIMGRID
1985Aug75.0°F75.5°F-0.5°NCLIMGRID
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1985Nov55.2°F48.2°F+6.9°NCLIMGRID
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1986Feb35.3°F36.0°F-0.7°NCLIMGRID
1986Mar45.6°F44.8°F+0.8°NCLIMGRID
1986Apr54.1°F54.0°F+0.2°NCLIMGRID
1986May66.7°F63.6°F+3.1°NCLIMGRID
1986Jun74.1°F72.3°F+1.8°NCLIMGRID
1986Jul79.7°F76.8°F+2.8°NCLIMGRID
1986Aug73.9°F75.5°F-1.6°NCLIMGRID
1986Sep68.7°F68.8°F-0.1°NCLIMGRID
1986Oct60.6°F58.1°F+2.5°NCLIMGRID
1986Nov47.7°F48.2°F-0.5°NCLIMGRID
1986Dec39.3°F39.0°F+0.4°NCLIMGRID
1987Jan33.5°F33.6°F+0.0°NCLIMGRID
1987Feb33.8°F36.0°F-2.2°NCLIMGRID
1987Mar45.6°F44.8°F+0.8°NCLIMGRID
1987Apr52.9°F54.0°F-1.0°NCLIMGRID
1987May65.4°F63.6°F+1.8°NCLIMGRID
1987Jun74.8°F72.3°F+2.5°NCLIMGRID
1987Jul79.6°F76.8°F+2.7°NCLIMGRID
1987Aug77.0°F75.5°F+1.5°NCLIMGRID
1987Sep70.9°F68.8°F+2.1°NCLIMGRID
1987Oct53.3°F58.1°F-4.8°NCLIMGRID
1987Nov50.3°F48.2°F+2.0°NCLIMGRID
1987Dec40.9°F39.0°F+2.0°NCLIMGRID
1988Jan30.1°F33.6°F-3.5°NCLIMGRID
1988Feb37.5°F36.0°F+1.4°NCLIMGRID
1988Mar45.6°F44.8°F+0.8°NCLIMGRID
1988Apr52.5°F54.0°F-1.5°NCLIMGRID
1988May63.4°F63.6°F-0.2°NCLIMGRID
1988Jun72.6°F72.3°F+0.3°NCLIMGRID
1988Jul79.0°F76.8°F+2.1°NCLIMGRID
1988Aug78.4°F75.5°F+2.9°NCLIMGRID
1988Sep67.6°F68.8°F-1.3°NCLIMGRID
1988Oct52.9°F58.1°F-5.2°NCLIMGRID
1988Nov48.7°F48.2°F+0.4°NCLIMGRID
1988Dec37.6°F39.0°F-1.4°NCLIMGRID
1989Jan39.1°F33.6°F+5.6°NCLIMGRID
1989Feb37.0°F36.0°F+0.9°NCLIMGRID
1989Mar44.4°F44.8°F-0.4°NCLIMGRID
1989Apr53.3°F54.0°F-0.6°NCLIMGRID
1989May62.9°F63.6°F-0.7°NCLIMGRID
1989Jun75.8°F72.3°F+3.4°NCLIMGRID
1989Jul76.6°F76.8°F-0.3°NCLIMGRID
1989Aug75.2°F75.5°F-0.3°NCLIMGRID
1989Sep70.0°F68.8°F+1.2°NCLIMGRID
1989Oct59.9°F58.1°F+1.8°NCLIMGRID
1989Nov47.4°F48.2°F-0.8°NCLIMGRID
1989Dec27.0°F39.0°F-12.0°NCLIMGRID
1990Jan42.4°F33.6°F+8.8°NCLIMGRID
1990Feb44.2°F36.0°F+8.1°NCLIMGRID
1990Mar48.1°F44.8°F+3.3°NCLIMGRID
1990Apr55.6°F54.0°F+1.6°NCLIMGRID
1990May63.4°F63.6°F-0.2°NCLIMGRID
1990Jun73.7°F72.3°F+1.4°NCLIMGRID
1990Jul78.9°F76.8°F+2.1°NCLIMGRID
1990Aug75.5°F75.5°F+0.0°NCLIMGRID
1990Sep67.6°F68.8°F-1.2°NCLIMGRID
1990Oct62.4°F58.1°F+4.3°NCLIMGRID
1990Nov49.9°F48.2°F+1.6°NCLIMGRID
1990Dec43.8°F39.0°F+4.9°NCLIMGRID
1991Jan37.5°F33.6°F+4.0°NCLIMGRID
1991Feb41.5°F36.0°F+5.5°NCLIMGRID
1991Mar47.8°F44.8°F+3.1°NCLIMGRID
1991Apr56.0°F54.0°F+2.0°NCLIMGRID
1991May69.4°F63.6°F+5.8°NCLIMGRID
1991Jun73.7°F72.3°F+1.4°NCLIMGRID
1991Jul79.0°F76.8°F+2.2°NCLIMGRID
1991Aug76.2°F75.5°F+0.7°NCLIMGRID
1991Sep68.7°F68.8°F-0.1°NCLIMGRID
1991Oct59.2°F58.1°F+1.1°NCLIMGRID
1991Nov48.3°F48.2°F+0.0°NCLIMGRID
1991Dec42.4°F39.0°F+3.5°NCLIMGRID
1992Jan38.2°F33.6°F+4.7°NCLIMGRID
1992Feb39.6°F36.0°F+3.5°NCLIMGRID
1992Mar43.0°F44.8°F-1.7°NCLIMGRID
1992Apr53.7°F54.0°F-0.3°NCLIMGRID
1992May60.6°F63.6°F-3.0°NCLIMGRID
1992Jun69.2°F72.3°F-3.2°NCLIMGRID
1992Jul77.4°F76.8°F+0.5°NCLIMGRID
1992Aug73.4°F75.5°F-2.1°NCLIMGRID
1992Sep69.4°F68.8°F+0.5°NCLIMGRID
1992Oct55.1°F58.1°F-3.0°NCLIMGRID
1992Nov49.2°F48.2°F+0.9°NCLIMGRID
1992Dec39.4°F39.0°F+0.4°NCLIMGRID
1993Jan39.1°F33.6°F+5.5°NCLIMGRID
1993Feb33.4°F36.0°F-2.6°NCLIMGRID
1993Mar41.7°F44.8°F-3.0°NCLIMGRID
1993Apr52.8°F54.0°F-1.1°NCLIMGRID
1993May65.1°F63.6°F+1.5°NCLIMGRID
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1993Jul80.7°F76.8°F+3.8°NCLIMGRID
1993Aug76.7°F75.5°F+1.2°NCLIMGRID
1993Sep70.3°F68.8°F+1.5°NCLIMGRID
1993Oct57.0°F58.1°F-1.1°NCLIMGRID
1993Nov47.7°F48.2°F-0.5°NCLIMGRID
1993Dec36.1°F39.0°F-2.9°NCLIMGRID
1994Jan30.5°F33.6°F-3.1°NCLIMGRID
1994Feb35.3°F36.0°F-0.8°NCLIMGRID
1994Mar44.4°F44.8°F-0.3°NCLIMGRID
1994Apr59.2°F54.0°F+5.3°NCLIMGRID
1994May60.7°F63.6°F-2.9°NCLIMGRID
1994Jun75.1°F72.3°F+2.8°NCLIMGRID
1994Jul79.6°F76.8°F+2.8°NCLIMGRID
1994Aug73.5°F75.5°F-2.0°NCLIMGRID
1994Sep67.5°F68.8°F-1.4°NCLIMGRID
1994Oct56.3°F58.1°F-1.8°NCLIMGRID
1994Nov52.0°F48.2°F+3.8°NCLIMGRID
1994Dec43.3°F39.0°F+4.4°NCLIMGRID
1995Jan39.8°F33.6°F+6.2°NCLIMGRID
1995Feb35.1°F36.0°F-1.0°NCLIMGRID
1995Mar47.5°F44.8°F+2.7°NCLIMGRID
1995Apr55.4°F54.0°F+1.5°NCLIMGRID
1995May64.0°F63.6°F+0.4°NCLIMGRID
1995Jun72.7°F72.3°F+0.4°NCLIMGRID
1995Jul79.4°F76.8°F+2.6°NCLIMGRID
1995Aug77.6°F75.5°F+2.1°NCLIMGRID
1995Sep69.1°F68.8°F+0.3°NCLIMGRID
1995Oct60.7°F58.1°F+2.6°NCLIMGRID
1995Nov44.3°F48.2°F-3.9°NCLIMGRID
1995Dec34.1°F39.0°F-4.8°NCLIMGRID
1996Jan33.9°F33.6°F+0.3°NCLIMGRID
1996Feb36.3°F36.0°F+0.2°NCLIMGRID
1996Mar40.8°F44.8°F-4.0°NCLIMGRID
1996Apr54.6°F54.0°F+0.7°NCLIMGRID
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1996Jun73.6°F72.3°F+1.3°NCLIMGRID
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1996Aug74.3°F75.5°F-1.2°NCLIMGRID
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1996Oct58.6°F58.1°F+0.5°NCLIMGRID
1996Nov43.4°F48.2°F-4.8°NCLIMGRID
1996Dec42.7°F39.0°F+3.8°NCLIMGRID
1997Jan36.3°F33.6°F+2.7°NCLIMGRID
1997Feb42.0°F36.0°F+6.0°NCLIMGRID
1997Mar47.4°F44.8°F+2.6°NCLIMGRID
1997Apr52.1°F54.0°F-1.9°NCLIMGRID
1997May60.9°F63.6°F-2.7°NCLIMGRID
1997Jun70.3°F72.3°F-2.1°NCLIMGRID
1997Jul77.8°F76.8°F+0.9°NCLIMGRID
1997Aug74.2°F75.5°F-1.3°NCLIMGRID
1997Sep69.0°F68.8°F+0.2°NCLIMGRID
1997Oct58.3°F58.1°F+0.2°NCLIMGRID
1997Nov46.4°F48.2°F-1.8°NCLIMGRID
1997Dec39.8°F39.0°F+0.8°NCLIMGRID
1998Jan42.4°F33.6°F+8.8°NCLIMGRID
1998Feb42.5°F36.0°F+6.5°NCLIMGRID
1998Mar47.0°F44.8°F+2.2°NCLIMGRID
1998Apr57.0°F54.0°F+3.0°NCLIMGRID
1998May65.8°F63.6°F+2.2°NCLIMGRID
1998Jun72.6°F72.3°F+0.3°NCLIMGRID
1998Jul77.6°F76.8°F+0.7°NCLIMGRID
1998Aug77.1°F75.5°F+1.6°NCLIMGRID
1998Sep72.9°F68.8°F+4.1°NCLIMGRID
1998Oct59.1°F58.1°F+1.0°NCLIMGRID
1998Nov48.2°F48.2°F+0.0°NCLIMGRID
1998Dec43.4°F39.0°F+4.4°NCLIMGRID
1999Jan40.2°F33.6°F+6.6°NCLIMGRID
1999Feb39.1°F36.0°F+3.1°NCLIMGRID
1999Mar43.0°F44.8°F-1.8°NCLIMGRID
1999Apr54.9°F54.0°F+0.9°NCLIMGRID
1999May65.1°F63.6°F+1.5°NCLIMGRID
1999Jun72.2°F72.3°F-0.1°NCLIMGRID
1999Jul80.5°F76.8°F+3.6°NCLIMGRID
1999Aug76.9°F75.5°F+1.5°NCLIMGRID
1999Sep69.4°F68.8°F+0.6°NCLIMGRID
1999Oct57.5°F58.1°F-0.6°NCLIMGRID
1999Nov53.3°F48.2°F+5.0°NCLIMGRID
1999Dec42.2°F39.0°F+3.2°NCLIMGRID
2000Jan34.8°F33.6°F+1.3°NCLIMGRID
2000Feb40.2°F36.0°F+4.2°NCLIMGRID
2000Mar50.4°F44.8°F+5.7°NCLIMGRID
2000Apr54.3°F54.0°F+0.3°NCLIMGRID
2000May66.3°F63.6°F+2.7°NCLIMGRID
2000Jun74.2°F72.3°F+1.8°NCLIMGRID
2000Jul74.3°F76.8°F-2.6°NCLIMGRID
2000Aug75.1°F75.5°F-0.4°NCLIMGRID
2000Sep67.9°F68.8°F-0.9°NCLIMGRID
2000Oct58.9°F58.1°F+0.8°NCLIMGRID
2000Nov45.5°F48.2°F-2.8°NCLIMGRID
2000Dec31.6°F39.0°F-7.4°NCLIMGRID
2001Jan35.2°F33.6°F+1.6°NCLIMGRID
2001Feb40.4°F36.0°F+4.4°NCLIMGRID
2001Mar43.0°F44.8°F-1.8°NCLIMGRID
2001Apr55.0°F54.0°F+1.0°NCLIMGRID
2001May63.8°F63.6°F+0.2°NCLIMGRID
2001Jun74.5°F72.3°F+2.2°NCLIMGRID
2001Jul74.4°F76.8°F-2.4°NCLIMGRID
2001Aug77.5°F75.5°F+2.0°NCLIMGRID
2001Sep67.9°F68.8°F-0.9°NCLIMGRID
2001Oct58.5°F58.1°F+0.4°NCLIMGRID
2001Nov52.5°F48.2°F+4.2°NCLIMGRID
2001Dec44.9°F39.0°F+5.9°NCLIMGRID
2002Jan40.7°F33.6°F+7.1°NCLIMGRID
2002Feb42.1°F36.0°F+6.0°NCLIMGRID
2002Mar47.6°F44.8°F+2.9°NCLIMGRID
2002Apr58.4°F54.0°F+4.4°NCLIMGRID
2002May63.9°F63.6°F+0.3°NCLIMGRID
2002Jun74.4°F72.3°F+2.1°NCLIMGRID
2002Jul79.6°F76.8°F+2.8°NCLIMGRID
2002Aug79.5°F75.5°F+4.0°NCLIMGRID
2002Sep71.1°F68.8°F+2.3°NCLIMGRID
2002Oct59.5°F58.1°F+1.4°NCLIMGRID
2002Nov47.2°F48.2°F-1.0°NCLIMGRID
2002Dec37.3°F39.0°F-1.7°NCLIMGRID
2003Jan31.2°F33.6°F-2.4°NCLIMGRID
2003Feb34.3°F36.0°F-1.8°NCLIMGRID
2003Mar47.4°F44.8°F+2.7°NCLIMGRID
2003Apr54.2°F54.0°F+0.3°NCLIMGRID
2003May60.9°F63.6°F-2.7°NCLIMGRID
2003Jun72.0°F72.3°F-0.3°NCLIMGRID
2003Jul78.3°F76.8°F+1.5°NCLIMGRID
2003Aug77.9°F75.5°F+2.4°NCLIMGRID
2003Sep70.8°F68.8°F+2.0°NCLIMGRID
2003Oct57.5°F58.1°F-0.7°NCLIMGRID
2003Nov53.2°F48.2°F+4.9°NCLIMGRID
2003Dec39.5°F39.0°F+0.6°NCLIMGRID
2004Jan31.0°F33.6°F-2.6°NCLIMGRID
2004Feb37.4°F36.0°F+1.4°NCLIMGRID
2004Mar47.6°F44.8°F+2.8°NCLIMGRID
2004Apr56.1°F54.0°F+2.1°NCLIMGRID
2004May71.4°F63.6°F+7.8°NCLIMGRID
2004Jun72.4°F72.3°F+0.1°NCLIMGRID
2004Jul77.6°F76.8°F+0.8°NCLIMGRID
2004Aug75.0°F75.5°F-0.5°NCLIMGRID
2004Sep70.4°F68.8°F+1.6°NCLIMGRID
2004Oct57.7°F58.1°F-0.4°NCLIMGRID
2004Nov49.5°F48.2°F+1.2°NCLIMGRID
2004Dec40.6°F39.0°F+1.6°NCLIMGRID
2005Jan36.3°F33.6°F+2.7°NCLIMGRID
2005Feb38.6°F36.0°F+2.6°NCLIMGRID
2005Mar41.7°F44.8°F-3.1°NCLIMGRID
2005Apr55.9°F54.0°F+1.9°NCLIMGRID
2005May60.1°F63.6°F-3.5°NCLIMGRID
2005Jun73.6°F72.3°F+1.2°NCLIMGRID
2005Jul79.4°F76.8°F+2.5°NCLIMGRID
2005Aug79.0°F75.5°F+3.5°NCLIMGRID
2005Sep72.6°F68.8°F+3.7°NCLIMGRID
2005Oct60.5°F58.1°F+2.4°NCLIMGRID
2005Nov51.2°F48.2°F+3.0°NCLIMGRID
2005Dec37.0°F39.0°F-1.9°NCLIMGRID
2006Jan43.3°F33.6°F+9.7°NCLIMGRID
2006Feb38.4°F36.0°F+2.3°NCLIMGRID
2006Mar45.6°F44.8°F+0.8°NCLIMGRID
2006Apr57.8°F54.0°F+3.8°NCLIMGRID
2006May64.0°F63.6°F+0.4°NCLIMGRID
2006Jun73.3°F72.3°F+0.9°NCLIMGRID
2006Jul79.2°F76.8°F+2.3°NCLIMGRID
2006Aug78.5°F75.5°F+3.0°NCLIMGRID
2006Sep67.9°F68.8°F-0.9°NCLIMGRID
2006Oct57.7°F58.1°F-0.4°NCLIMGRID
2006Nov51.4°F48.2°F+3.2°NCLIMGRID
2006Dec44.8°F39.0°F+5.8°NCLIMGRID
2007Jan40.9°F33.6°F+7.3°NCLIMGRID
2007Feb30.6°F36.0°F-5.4°NCLIMGRID
2007Mar47.4°F44.8°F+2.6°NCLIMGRID
2007Apr53.3°F54.0°F-0.7°NCLIMGRID
2007May65.3°F63.6°F+1.7°NCLIMGRID
2007Jun73.9°F72.3°F+1.6°NCLIMGRID
2007Jul77.2°F76.8°F+0.4°NCLIMGRID
2007Aug78.4°F75.5°F+2.9°NCLIMGRID
2007Sep71.2°F68.8°F+2.4°NCLIMGRID
2007Oct65.7°F58.1°F+7.6°NCLIMGRID
2007Nov47.4°F48.2°F-0.8°NCLIMGRID
2007Dec41.0°F39.0°F+2.1°NCLIMGRID
2008Jan38.0°F33.6°F+4.4°NCLIMGRID
2008Feb40.8°F36.0°F+4.8°NCLIMGRID
2008Mar48.2°F44.8°F+3.5°NCLIMGRID
2008Apr57.2°F54.0°F+3.3°NCLIMGRID
2008May62.0°F63.6°F-1.6°NCLIMGRID
2008Jun76.0°F72.3°F+3.7°NCLIMGRID
2008Jul78.1°F76.8°F+1.3°NCLIMGRID
2008Aug74.1°F75.5°F-1.4°NCLIMGRID
2008Sep70.9°F68.8°F+2.1°NCLIMGRID
2008Oct57.7°F58.1°F-0.5°NCLIMGRID
2008Nov46.1°F48.2°F-2.1°NCLIMGRID
2008Dec41.9°F39.0°F+2.9°NCLIMGRID
2009Jan32.4°F33.6°F-1.1°NCLIMGRID
2009Feb39.3°F36.0°F+3.3°NCLIMGRID
2009Mar44.6°F44.8°F-0.1°NCLIMGRID
2009Apr57.3°F54.0°F+3.4°NCLIMGRID
2009May65.4°F63.6°F+1.8°NCLIMGRID
2009Jun72.5°F72.3°F+0.2°NCLIMGRID
2009Jul76.0°F76.8°F-0.8°NCLIMGRID
2009Aug78.2°F75.5°F+2.7°NCLIMGRID
2009Sep67.8°F68.8°F-1.0°NCLIMGRID
2009Oct58.6°F58.1°F+0.5°NCLIMGRID
2009Nov51.7°F48.2°F+3.5°NCLIMGRID
2009Dec38.3°F39.0°F-0.6°NCLIMGRID
2010Jan34.1°F33.6°F+0.6°NCLIMGRID
2010Feb32.0°F36.0°F-4.1°NCLIMGRID
2010Mar48.5°F44.8°F+3.7°NCLIMGRID
2010Apr59.0°F54.0°F+5.0°NCLIMGRID
2010May68.2°F63.6°F+4.6°NCLIMGRID
2010Jun78.6°F72.3°F+6.2°NCLIMGRID
2010Jul81.4°F76.8°F+4.6°NCLIMGRID
2010Aug78.3°F75.5°F+2.8°NCLIMGRID
2010Sep72.4°F68.8°F+3.6°NCLIMGRID
2010Oct60.2°F58.1°F+2.1°NCLIMGRID
2010Nov48.3°F48.2°F+0.0°NCLIMGRID
2010Dec31.6°F39.0°F-7.4°NCLIMGRID
2011Jan31.6°F33.6°F-2.0°NCLIMGRID
2011Feb40.8°F36.0°F+4.7°NCLIMGRID
2011Mar45.2°F44.8°F+0.4°NCLIMGRID
2011Apr58.6°F54.0°F+4.7°NCLIMGRID
2011May67.2°F63.6°F+3.6°NCLIMGRID
2011Jun75.8°F72.3°F+3.5°NCLIMGRID
2011Jul80.9°F76.8°F+4.0°NCLIMGRID
2011Aug76.6°F75.5°F+1.1°NCLIMGRID
2011Sep71.2°F68.8°F+2.3°NCLIMGRID
2011Oct58.4°F58.1°F+0.2°NCLIMGRID
2011Nov51.5°F48.2°F+3.3°NCLIMGRID
2011Dec44.4°F39.0°F+5.4°NCLIMGRID
2012Jan40.7°F33.6°F+7.2°NCLIMGRID
2012Feb42.7°F36.0°F+6.7°NCLIMGRID
2012Mar54.2°F44.8°F+9.5°NCLIMGRID
2012Apr57.0°F54.0°F+3.0°NCLIMGRID
2012May69.3°F63.6°F+5.7°NCLIMGRID
2012Jun74.2°F72.3°F+1.8°NCLIMGRID
2012Jul82.9°F76.8°F+6.1°NCLIMGRID
2012Aug78.3°F75.5°F+2.8°NCLIMGRID
2012Sep69.8°F68.8°F+1.0°NCLIMGRID
2012Oct60.9°F58.1°F+2.8°NCLIMGRID
2012Nov45.0°F48.2°F-3.2°NCLIMGRID
2012Dec45.5°F39.0°F+6.5°NCLIMGRID
2013Jan39.1°F33.6°F+5.5°NCLIMGRID
2013Feb37.8°F36.0°F+1.8°NCLIMGRID
2013Mar41.9°F44.8°F-2.9°NCLIMGRID
2013Apr56.1°F54.0°F+2.1°NCLIMGRID
2013May65.5°F63.6°F+1.9°NCLIMGRID
2013Jun75.4°F72.3°F+3.1°NCLIMGRID
2013Jul80.6°F76.8°F+3.7°NCLIMGRID
2013Aug74.9°F75.5°F-0.5°NCLIMGRID
2013Sep67.9°F68.8°F-0.9°NCLIMGRID
2013Oct61.0°F58.1°F+2.9°NCLIMGRID
2013Nov46.5°F48.2°F-1.7°NCLIMGRID
2013Dec41.9°F39.0°F+2.9°NCLIMGRID
2014Jan31.6°F33.6°F-2.0°NCLIMGRID
2014Feb36.0°F36.0°F-0.1°NCLIMGRID
2014Mar41.4°F44.8°F-3.4°NCLIMGRID
2014Apr54.2°F54.0°F+0.2°NCLIMGRID
2014May66.7°F63.6°F+3.1°NCLIMGRID
2014Jun73.9°F72.3°F+1.5°NCLIMGRID
2014Jul77.3°F76.8°F+0.4°NCLIMGRID
2014Aug73.9°F75.5°F-1.6°NCLIMGRID
2014Sep70.3°F68.8°F+1.5°NCLIMGRID
2014Oct61.2°F58.1°F+3.1°NCLIMGRID
2014Nov45.8°F48.2°F-2.5°NCLIMGRID
2014Dec41.8°F39.0°F+2.8°NCLIMGRID
2015Jan33.8°F33.6°F+0.3°NCLIMGRID
2015Feb28.0°F36.0°F-8.1°NCLIMGRID
2015Mar42.0°F44.8°F-2.8°NCLIMGRID
2015Apr55.2°F54.0°F+1.2°NCLIMGRID
2015May68.6°F63.6°F+5.0°NCLIMGRID
2015Jun75.0°F72.3°F+2.6°NCLIMGRID
2015Jul77.7°F76.8°F+0.9°NCLIMGRID
2015Aug75.3°F75.5°F-0.2°NCLIMGRID
2015Sep72.7°F68.8°F+3.9°NCLIMGRID
2015Oct57.9°F58.1°F-0.2°NCLIMGRID
2015Nov52.1°F48.2°F+3.9°NCLIMGRID
2015Dec51.4°F39.0°F+12.5°NCLIMGRID
2016Jan35.7°F33.6°F+2.1°NCLIMGRID
2016Feb39.5°F36.0°F+3.5°NCLIMGRID
2016Mar51.3°F44.8°F+6.6°NCLIMGRID
2016Apr54.6°F54.0°F+0.6°NCLIMGRID
2016May62.4°F63.6°F-1.2°NCLIMGRID
2016Jun73.7°F72.3°F+1.4°NCLIMGRID
2016Jul80.6°F76.8°F+3.8°NCLIMGRID
2016Aug80.3°F75.5°F+4.8°NCLIMGRID
2016Sep73.0°F68.8°F+4.2°NCLIMGRID
2016Oct61.8°F58.1°F+3.7°NCLIMGRID
2016Nov50.2°F48.2°F+2.0°NCLIMGRID
2016Dec40.5°F39.0°F+1.5°NCLIMGRID
2017Jan40.4°F33.6°F+6.9°NCLIMGRID
2017Feb45.7°F36.0°F+9.6°NCLIMGRID
2017Mar46.1°F44.8°F+1.4°NCLIMGRID
2017Apr61.5°F54.0°F+7.6°NCLIMGRID
2017May64.2°F63.6°F+0.6°NCLIMGRID
2017Jun75.2°F72.3°F+2.9°NCLIMGRID
2017Jul79.9°F76.8°F+3.0°NCLIMGRID
2017Aug75.5°F75.5°F+0.0°NCLIMGRID
2017Sep70.4°F68.8°F+1.6°NCLIMGRID
2017Oct63.7°F58.1°F+5.6°NCLIMGRID
2017Nov48.5°F48.2°F+0.3°NCLIMGRID
2017Dec37.1°F39.0°F-1.8°NCLIMGRID
2018Jan33.6°F33.6°F+0.0°NCLIMGRID
2018Feb44.9°F36.0°F+8.9°NCLIMGRID
2018Mar41.5°F44.8°F-3.2°NCLIMGRID
2018Apr53.1°F54.0°F-0.8°NCLIMGRID
2018May70.5°F63.6°F+6.9°NCLIMGRID
2018Jun74.8°F72.3°F+2.5°NCLIMGRID
2018Jul78.2°F76.8°F+1.4°NCLIMGRID
2018Aug80.0°F75.5°F+4.5°NCLIMGRID
2018Sep76.0°F68.8°F+7.2°NCLIMGRID
2018Oct61.7°F58.1°F+3.6°NCLIMGRID
2018Nov47.1°F48.2°F-1.1°NCLIMGRID
2018Dec42.2°F39.0°F+3.2°NCLIMGRID
2019Jan37.0°F33.6°F+3.5°NCLIMGRID
2019Feb40.7°F36.0°F+4.6°NCLIMGRID
2019Mar44.2°F44.8°F-0.5°NCLIMGRID
2019Apr60.0°F54.0°F+6.0°NCLIMGRID
2019May69.6°F63.6°F+6.0°NCLIMGRID
2019Jun75.5°F72.3°F+3.2°NCLIMGRID
2019Jul81.1°F76.8°F+4.2°NCLIMGRID
2019Aug78.2°F75.5°F+2.7°NCLIMGRID
2019Sep73.1°F68.8°F+4.3°NCLIMGRID
2019Oct63.4°F58.1°F+5.3°NCLIMGRID
2019Nov45.3°F48.2°F-3.0°NCLIMGRID
2019Dec41.8°F39.0°F+2.8°NCLIMGRID
2020Jan41.8°F33.6°F+8.3°NCLIMGRID
2020Feb43.5°F36.0°F+7.4°NCLIMGRID
2020Mar51.3°F44.8°F+6.6°NCLIMGRID
2020Apr54.4°F54.0°F+0.4°NCLIMGRID
2020May62.4°F63.6°F-1.2°NCLIMGRID
2020Jun74.8°F72.3°F+2.5°NCLIMGRID
2020Jul81.9°F76.8°F+5.1°NCLIMGRID
2020Aug78.7°F75.5°F+3.2°NCLIMGRID
2020Sep70.4°F68.8°F+1.6°NCLIMGRID
2020Oct61.9°F58.1°F+3.8°NCLIMGRID
2020Nov53.2°F48.2°F+4.9°NCLIMGRID
2020Dec41.2°F39.0°F+2.2°NCLIMGRID
2021Jan37.3°F33.6°F+3.7°NCLIMGRID
2021Feb37.1°F36.0°F+1.1°NCLIMGRID
2021Mar49.4°F44.8°F+4.7°NCLIMGRID
2021Apr56.9°F54.0°F+2.9°NCLIMGRID
2021May64.6°F63.6°F+1.0°NCLIMGRID
2021Jun75.2°F72.3°F+2.9°NCLIMGRID
2021Jul79.4°F76.8°F+2.6°NCLIMGRID
2021Aug79.2°F75.5°F+3.7°NCLIMGRID
2021Sep72.0°F68.8°F+3.2°NCLIMGRID
2021Oct65.4°F58.1°F+7.3°NCLIMGRID
2021Nov47.1°F48.2°F-1.1°NCLIMGRID
2021Dec46.3°F39.0°F+7.3°NCLIMGRID
2022Jan33.9°F33.6°F+0.4°NCLIMGRID
2022Feb41.4°F36.0°F+5.4°NCLIMGRID
2022Mar49.5°F44.8°F+4.8°NCLIMGRID
2022Apr55.5°F54.0°F+1.5°NCLIMGRID
2022May66.8°F63.6°F+3.2°NCLIMGRID
2022Jun74.1°F72.3°F+1.8°NCLIMGRID
2022Jul80.2°F76.8°F+3.4°NCLIMGRID
2022Aug79.3°F75.5°F+3.8°NCLIMGRID
2022Sep70.6°F68.8°F+1.8°NCLIMGRID
2022Oct57.6°F58.1°F-0.5°NCLIMGRID
2022Nov51.7°F48.2°F+3.4°NCLIMGRID
2022Dec39.6°F39.0°F+0.6°NCLIMGRID
2023Jan44.7°F33.6°F+11.1°NCLIMGRID
2023Feb45.0°F36.0°F+8.9°NCLIMGRID
2023Mar47.3°F44.8°F+2.5°NCLIMGRID
2023Apr60.5°F54.0°F+6.5°NCLIMGRID
2023May63.0°F63.6°F-0.6°NCLIMGRID
2023Jun71.8°F72.3°F-0.6°NCLIMGRID
2023Jul80.5°F76.8°F+3.7°NCLIMGRID
2023Aug77.5°F75.5°F+2.0°NCLIMGRID
2023Sep72.1°F68.8°F+3.2°NCLIMGRID
2023Oct62.1°F58.1°F+4.0°NCLIMGRID
2023Nov47.9°F48.2°F-0.4°NCLIMGRID
2023Dec45.2°F39.0°F+6.3°NCLIMGRID
2024Jan40.2°F33.6°F+6.6°NCLIMGRID
2024Feb41.5°F36.0°F+5.5°NCLIMGRID
2024Mar50.1°F44.8°F+5.3°NCLIMGRID
2024Apr58.2°F54.0°F+4.3°NCLIMGRID
2024May66.9°F63.6°F+3.3°NCLIMGRID
2024Jun76.2°F72.3°F+3.8°NCLIMGRID
2024Jul80.1°F76.8°F+3.3°NCLIMGRID
2024Aug76.5°F75.5°F+1.0°NCLIMGRID
2024Sep70.3°F68.8°F+1.5°NCLIMGRID
2024Oct60.5°F58.1°F+2.4°NCLIMGRID
2024Nov52.8°F48.2°F+4.5°NCLIMGRID
2024Dec40.0°F39.0°F+1.0°NCLIMGRID
2025Jan31.5°F33.6°F-2.1°NCLIMGRID
2025Feb39.1°F36.0°F+3.0°NCLIMGRID
2025Mar51.0°F44.8°F+6.3°NCLIMGRID
2025Apr58.8°F54.0°F+4.8°NCLIMGRID
2025May67.1°F63.6°F+3.5°NCLIMGRID
2025Jun76.8°F72.3°F+4.4°NCLIMGRID
2025Jul81.1°F76.8°F+4.3°NCLIMGRID
2025Aug72.9°F75.5°F-2.6°NCLIMGRID
2025Sep70.2°F68.8°F+1.4°NCLIMGRID
2025Oct58.7°F58.1°F+0.5°NCLIMGRID
2025Nov47.8°F48.2°F-0.5°NCLIMGRID
2025Dec36.2°F39.0°F-2.8°NCLIMGRID
2026Jan33.0°F33.6°F-0.5°NCLIMGRID
2026Feb34.6°F36.0°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
January33.6°F26/26
February36.0°F26/26
March44.8°F26/26
April54.0°F26/26
May63.6°F26/26
June72.3°F26/26
July76.8°F26/26
August75.5°F26/26
September68.8°F26/26
October58.1°F26/26
November48.2°F26/26
December39.0°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 Vienna, Maryland getting warmer?

Based on 96+ years of NOAA temperature records, Vienna has warmed at a rate of approximately 0.32°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 Vienna?

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

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

How are the climate visualizations for Vienna created?

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

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

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