Temperature
Mean: 24.8 F
Highest U.S. Mean Temp
07/16/2006-21Z 93.3 F
07/16/2006-22Z 93.1 F
07/16/2006-20Z 92.8 F
07/16/2006-23Z 92.4 F
07/15/2006-21Z 92.4 F
07/15/2006-22Z 92.1 F
07/15/2006-20Z 92.1 F
07/17/2006-21Z 91.9 F
07/17/2006-22Z 91.7 F
07/16/2006-19Z 91.7 F
Lowest U.S. Mean Temp
01/08/2010-15Z 13.8 F
01/08/2010-11Z 13.8 F
01/09/2010-10Z 13.6 F
01/08/2010-12Z 13.2 F
01/09/2010-14Z 13.1 F
01/09/2010-11Z 13.1 F
01/09/2010-12Z 13.0 F
01/08/2010-14Z 12.9 F
01/09/2010-13Z 12.7 F
01/08/2010-13Z 12.7 F
Minimum: -23.8 F at Havre MT (HVR)
Maximum: 75.2 F at Miami Intl FL (MIA)
% Land Area > 100F: 0.0 %
% Land Area > 90F: 0.0 %
% Land Area < 32F: 67.5 %
% Land Area < 0F: 7.4 %
% Population < 32F: 52.9 %
Dewpoint
Mean: 18.8 F
Highest U.S. Mean Dewpoint
07/19/2002-15Z 64.7 F
07/19/2002-16Z 64.5 F
07/19/2002-14Z 64.4 F
07/18/2002-15Z 64.4 F
07/18/2002-16Z 64.3 F
07/19/2002-17Z 64.2 F
07/18/2002-14Z 64.2 F
07/28/2006-15Z 63.9 F
07/28/2006-14Z 63.9 F
07/18/2002-17Z 63.9 F
Lowest U.S. Mean Dewpoint
12/22/2008-07Z 5.0 F
01/08/2010-14Z 4.9 F
12/22/2008-08Z 4.8 F
12/22/2008-15Z 4.7 F
12/22/2008-09Z 4.6 F
12/22/2008-10Z 4.4 F
12/22/2008-14Z 4.3 F
12/22/2008-11Z 4.3 F
12/22/2008-13Z 4.2 F
12/22/2008-12Z 4.2 F
Minimum: -29.2 F at Jackson WY (JAC)
Maximum: 64.0 F at Key West FL (EYW)
% Land Area > 70F: 0.0 %
% Land Area > 60F: 0.0 %
% Land Area > 50F: 2.4 %
Pressure
Mean: 1020.6 mb
Highest U.S. Mean Pressure:
01/15/2005-14Z 1036.6 mb
01/16/2005-02Z 1036.6 mb
01/16/2005-06Z 1036.6 mb
01/16/2005-03Z 1036.7 mb
01/16/2005-04Z 1036.7 mb
01/16/2005-05Z 1036.8 mb
01/15/2005-18Z 1036.9 mb
01/15/2005-15Z 1037.1 mb
01/15/2005-16Z 1037.4 mb
01/15/2005-17Z 1037.4 mb
Lowest U.S. Mean Pressure:
03/10/2006-07Z 1001.1 mb
03/10/2006-06Z 1001.1 mb
03/10/2006-03Z 1001.1 mb
03/10/2006-02Z 1000.7 mb
03/09/2006-20Z 1000.4 mb
03/10/2006-01Z 1000.3 mb
03/10/2006-00Z 1000.0 mb
03/09/2006-21Z 999.8 mb
03/09/2006-22Z 999.7 mb
03/09/2006-23Z 999.6 mb
Minimum: 1007.3 mb at Houlton ME (HUL)
Maximum: 1033.3 mb at Bismarck ND (BIS)
Wind
Mean: 8.3 mph
Highest U.S. Mean Wind
04/15/2008-22Z 17.2 mph
04/15/2008-21Z 17.2 mph
03/23/2009-20Z 16.9 mph
04/15/2008-20Z 16.8 mph
03/23/2009-21Z 16.8 mph
04/15/2008-23Z 16.6 mph
04/15/2008-19Z 16.6 mph
03/23/2009-22Z 16.5 mph
03/23/2009-19Z 16.5 mph
03/23/2009-18Z 16.5 mph
Maximum: 28.8 mph at AURORA NE (AUH)
Maximum Gust: 34.5 mph at AURORA NE (AUH)
Heat Index
Maximum: 78.0 F at Key West NAS FL (NQX)
Wind Chill
Minimum: -53.2 F at Glasgow MT (GGW)
Hourly United States Weather Statistics
This web page displays current and archived statistics of the weather over the contiguous United States.
