Scattered strong to severe thunderstorms and heavy rainfall will continue through tonight across the Mid-Atlantic, with heavy rainfall, flooding and severe winds as the primary threats. Heat will continue through Thursday over the Southwest, with Extreme Heat Warnings in effect. Fire weather concerns continue in the Four Corners Region on Thursday. Read More >
...Highlights of 2020...
Element | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
Average High | 34.2 | 30.2 | 47.2 | 55.4 | 70.3 | 79.2 | 89.6 | 89.8 | 76.1 | 59.8 | 49.5 | 34.5 | 59.7 |
Mean High (1981-2010 Normals) | 33.1 | 36.5 | 47.4 | 56.4 | 66.5 | 77.5 | 86.8 | 85.0 | 72.8 | 58.5 | 42.8 | 31.8 | 58.0 |
Average Low | 13.4 | 7.7 | 23.4 | 26.9 | 40.9 | 49.4 | 56.2 | 56.9 | 44.1 | 28.8 | 22.2 | 12.5 | 31.9 |
Mean Low (1981-2010 Normals) | 10.2 | 13.9 | 23.6 | 31.3 | 40.1 | 48.4 | 55.6 | 54.3 | 44.4 | 32.7 | 19.7 | 9.6 | 32.1 |
Average Temperature | 23.8 | 19.0 | 35.3 | 41.2 | 55.6 | 64.3 | 72.9 | 73.3 | 60.1 | 44.3 | 35.8 | 23.5 | 45.8 |
Mean Temp (1981-2010 Normals) | 21.7 | 25.2 | 35.5 | 43.9 | 53.3 | 63.0 | 71.2 | 69.6 | 58.6 | 45.6 | 31.2 | 20.7 | 45.0 |
Departure from Normal | 2.1 | -6.2 | -0.2 | -2.7 | 2.3 | 1.3 | 1.7 | 3.7 | 1.5 | -1.3 | 4.6 | 2.8 | 0.8 |
Rank: Coldest to Warmest 129 years of record (P.O.R 1892-2020) |
99 | 27 | 80 | 41 | 110 | 98 | 108 | 126 | 94 | 46 | 103 | 81 | 108 |
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Highest Daily Maximum | 44 | 55 | 57 | 80 | 89 | 93 | 96 | 97 | 96 | 82 | 70 | 53 | 97 |
Date of Occurrence | 4 | 1 | 31 | 30 | 29,30 | 5 | 12,17 | 18 | 5 | 6,8 | 3 | 21 | 8/18 |
Lowest Daily Minimum | 4 | -7 | 4 | 2 | 31 | 34 | 46 | 40 | 21 | -9 | 9 | 2 | -9 |
Date of Occurrence | 16 | 4 | 2 | 3 | 8 | 9 | 1 | 31 | 9 | 26 | 30 | 13 | 10/26 |
Number of Days with: | |||||||||||||
Maximum >= 90° | 0 | 0 | 0 | 0 | 0 | 4 | 21 | 23 | 3 | 0 | 0 | 0 | 51 |
Maximum <= 32° | 11 | 18 | 1 | 5 | 0 | 0 | 0 | 0 | 0 | 4 | 1 | 13 | 53 |
Minimum <= 32° | 31 | 29 | 30 | 18 | 2 | 0 | 0 | 0 | 5 | 17 | 23 | 3 | 158 |
Minimum <= 0° | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 9 |
Record High Temperatures Set or Tied | 0 | 0 | 0 | 1 | 2 | 2 | 0 | 3 | 2 | 1 | 3 | 0 | 14 |
Record Low Temperatures Set or Tied | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 0 | 0 | 6 |
Daily Records:
Record High Temperatures:
April: 80 on the 30th (tie).May: 86 on the 18th (tie, and 88 on the 31st.June: 89 on the 1st, and 93 on the 5th (tie).August: 96 on the 17th (tie), 97 on the 18th (tie), and 96 on the 24th (tie).September: 96 on the 5th (also new all-time monthly high), 87 on the 24th.October: 82 on the 8th (tie).November: 70 on the 3rd (tie), 69 on the 4th (tie), and 66 on the 18th.Record Low Temperatures:
September: 26 on the 8th, 21 on the 9th, and 30 on the 10th.October: -5 on the 25th, -9 on the 26th and 1 on the 27th.
Top Ten Warmest Months of August on Record | |||||||
Rank | Year | Average Temperature °F | |||||
1 | 1983 | 74.0 | |||||
2 | 2003 | 73.4 | |||||
3 | 2020 | 73.3 | |||||
3 | 1982 | 73.3 | |||||
5 | 2013 | 73.2 | |||||
6 | 1969 | 73.1 | |||||
7 | 2012,2001, 2000 | 72.9 | |||||
10 | 1970 | 72.8 |
Top Ten Warmest Years on Record | |||||||
Rank | Year | Average Temperature °F | |||||
1 | 2012 | 49.0 | |||||
2 | 1988, 1981 | 47.7 | |||||
4 | 1934 | 47.6 | |||||
5 | 1994 | 47.5 | |||||
6 | 2006 | 47.4 | |||||
7 | 1954 | 47.2 | |||||
8 | 1999 | 47.0 | |||||
9 | 2015 | 46.9 | |||||
10 | 2016, 2007, 1990 | 46.6 | |||||
22 | 2020 | 45.8 | |||||
Top Ten Coldest Years on Record | |||||||
Rank | Year | Average Temperature °F | |||||
1 | 1912 | 39.9 | |||||
2 | 1944 | 40.1 | |||||
3 | 1920 | 40.2 | |||||
4 | 1916, 1898 | 40.9 | |||||
6 | 1895 | 41.0 | |||||
7 | 1924 | 41.1 | |||||
8 | 1913, 1899, 1923 | 41.2 | |||||
108 | 2020 | 45.8 |
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Average Annual Temperature for Period of Record - Click on Graph to Enlarge |
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Element | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
Average Speed (MPH) | 5.2 | 4.8 | 6.5 | 6.8 | 8.5 | 8.5 | 7.7 | 7.5 | 6.0 | 6.2 | 6.2 | 4.5 | 6.5 |
Maximum 3-sec Gust | 47 | 43 | 49 | 63 | 59 | 61 | 62 | 65 | 65 | 59 | 70 | 49 | 70 |
Direction (degrees) | 280 | 250 | 240 | 270 | 190 | 220 | 190 | 190 | 240 | 280 | 170 | 310 | 170 |
Date of Occurrence | 13 | 24 | 31 | 30 | 20 | 6 | 22 | 11 | 19 | 12 | 7 | 22 | 11/7 |
Number of Days with: | |||||||||||||
2-Minute Wind >50 mph | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 |
Peak Wind >50 mph | 0 | 0 | 0 | 2 | 3 | 4 | 4 | 6 | 1 | 2 | 5 | 0 | 27 |
Peak Wind >65 mph | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 0 | 4 |
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Element | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
Total (inches) | 0.24 | 1.45 | 0.58 | 2.35 | 0.06 | 0.40 | 0.09 | 0.05 | 0.66 | 0.68 | 0.18 | 0.59 | 7.33 |
Mean Precip (1981-2010 Normals) | 0.41 | 0.58 | 1.16 | 1.87 | 2.20 | 1.27 | 0.78 | 0.61 | 1.05 | 1.29 | 0.86 | 0.58 | 12.66 |
Departure from Normal | -0.17 | 0.87 | -0.58 | 0.48 | -2.14 | -0.87 | -0.69 | -0.56 | -0.39 | -0.61 | -0.68 | 0.01 | -5.33 |
Percent of Normal | 59 | 250 | 50 | 126 | 3 | 31 | 12 | 8 | 63 | 53 | 21 | 102 | 58 |
Rank - Driest to Wettest |
41 | 116 | 32 | 81 | 1 Tie | 40 | 13 | 8 | 63 | 43 | 24 | 74 | 5 |
Greatest 24-HR Total | 0.13 | 0.91 | 0.50 | 0.59 | 0.05 | 0.16 | 0.09 | 0.03 | 0.54 | 0.39 | 0.18 | 0.25 | 0.91 |
Dates of Occurrence | 27 | 3 | 1 | 15 | 8 | 6 | 28 | 26 | 7 | 24 | 7 | 1 | 2/3 |
Number of Days with: | |||||||||||||
Precipitation >= 0.01 | 3 | 10 | 3 | 9 | 2 | 7 | 1 | 3 | 2 | 3 | 1 | 4 | 48 |
Precipitation >= 0.10 | 2 | 3 | 1 | 7 | 0 | 1 | 0 | 0 | 2 | 3 | 1 | 3 | 23 |
Precipitation >= 1.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Days with Thunderstorms | 0 | 0 | 0 | 0 | 2 | 4 | 0 | 7 | 0 | 0 | 0 | 0 | 13 |
Daily Precipitation Records Set or Tied | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
One Day Precipitation Records (inches):
February: 0.91" on the 3rd.March: 0.50" on the 1st.
Top Ten Driest Months of May on Record | |||||||
Rank | Year | Precipitation (inches) | |||||
1 | 2020 | 0.06 | |||||
1 | 2006 | 0.06 | |||||
3 | 1994 | 0.07 | |||||
4 | 1984 | 0.27 | |||||
5 | 1919 | 0.30 | |||||
6 | 1974 | 0.31 | |||||
7 | 1914 | 0.38 | |||||
8 | 1990 | 0.42 | |||||
9 | 1970 | 0.49 | |||||
10 | 2001 | 0.50 | |||||
Top Ten Driest Months of August on Record | |||||||
Rank | Year | Precipitation (inches) | |||||
1 | 1960 | 0 | |||||
1 | 1969 | 0 | |||||
1 | 1970 | 0 | |||||
4 | 1944 | T | |||||
5 | 2013 | 0.01 | |||||
6 | 1962 | 0.03 | |||||
6 | 2012 | 0.03 | |||||
8 | 2020 | 0.05 | |||||
9 | 1902 | 0.06 | |||||
10 | 1959, 1985, 2002 | 0.07 | |||||
Top Ten Driest Years on Record | |||||||
Rank | Year | Precipitation (inches) | |||||
1 | 2001 | 5.30 | |||||
2 | 1954 | 6.41 | |||||
3 | 2012 | 6.60 | |||||
4 | 1902 | 7.25 | |||||
5 | 2020 | 7.33 | |||||
6 | 2006 | 7.42 | |||||
7 | 1988 | 7.63 | |||||
8 | 1939 | 7.95 | |||||
9 | 2002 | 8.09 | |||||
10 | 1914 | 8.32 | |||||
Top Ten Wettest Years on Record | |||||||
Rank | Year | Precipitation (inches) | |||||
1 | 1957 | 21.89 | |||||
2 | 1923 | 21.56 | |||||
3 | 2016 | 21.29 | |||||
4 | 1941 | 20.66 | |||||
5 | 1912 | 20.00 | |||||
6 | 1947 | 19.70 | |||||
7 | 1995 | 19.68 | |||||
8 | 1944 | 19.57 | |||||
9 | 1973 | 19.30 | |||||
10 | 1908 | 19.22 | |||||
125 | 2020 | 7.33 | |||||
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Annual Precipitation for Period of Record - Click on Graph to Enlarge |
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Element | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
Total (inches) | 3.6 | 20.7 | 7.5 | 30.5 | 0 | 0 | 0 | 0 | 4.7 | 7.8 | 0.001 | 9.3 | 84.1 |
Average Snowfall | 7.6 | 10.3 | 16.1 | 16.8 | 4.8 | 0.1 | 0.0 | 0.0 | 2.7 | 9.8 | 13.1 | 10.1 | 91.4 |
Departure from Normal | -4 | 10.4 | -.6 | 13.7 | -4.8 | -0.1 | 0.0 | 0.0 | 2 | -2 | -13.1 | -0.8 | -7.3 |
Percent of Normal | 47 | 201 | 47 | 182 | 0 | 0 | 0 | 0 | 174 | 80 | 0 | 92 | 92 |
Rank - Least to Most 129 Years (P.O.R 1892-2020) |
45 | 113 | 33 | 109 | 20 | NA | NA | NA | 112 | 77 | 6 | 79 | 63 |
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Greatest 24-HR Total | 1.9 | 13.1 | 6.9 | 9.1 | 0 | 0 | 0 | 0 | 2.7 | 3.8 | T | 4.6 | 13.1 |
Dates of Occurrence | 29 | 3 | 1 | 15 | NA | NA | NA | NA | 8 | 24 | 11 | 1 | 2/3 |
Number of Days with: | |||||||||||||
Snowfall >= 1.0 inch | 2 | 4 | 1 | 7 | 0 | 0 | 0 | 0 | 2 | 3 | 0 | 3 | 22 |
Daily Snowfall Records Set or Tied | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 4 |
* 35 months of May with a trace or less of snowfall on record |
One Day Snowfall Records (inches):
February: 13.1 inches fell on the 3rd.
March: 6.9 inches fell on the 1st.April: 9.1 inches fell on the 15th.September: 2.7 inches fell on the 8th.
Least Snowiest November's on Record | |||||||
Rank | Year | Snowfall (inches) | |||||
1 | 1899, 1914, 1939 | 0.0 | |||||
4 | 1910, 2009 | T | |||||
4 | 2020 | T | |||||
7 | 1903, 1904, 1949 | 0.1 | |||||
7 | 2008 | 0.1 | |||||
11 | 1930 | 0.2 | |||||
Top Ten Snowiest Years on Record | |||||||
Rank | Year | Snowfall (inches) | |||||
1 | 1973 | 199.9 | |||||
2 | 1975 | 160.7 | |||||
3 | 1983 | 159.6 | |||||
4 | 1967 | 154.6 | |||||
5 | 1959 | 150.4 | |||||
6 | 1971 | 148.3 | |||||
7 | 2013 | 138.0 | |||||
8 | 1978 | 128.1 | |||||
9 | 1920 | 127.9 | |||||
10 | 1892 | 125.1 | |||||
72 | 2019 |
89.1 |
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Annual and Seasonal Snowfall for Period of Record - Click on Graph to Enlarge |
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Learn more about the National Weather Service's efforts to build a Weather-Ready Nation! |