Portsmouth Rhode Island Weather Almanac  
Wednesday, December 6, 2023  
Cloudy, Light Snow AM, to Partly Cloudy PM, Breezy, Much Colder  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    December 6, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   36   55   45   -9   62   in 2001   24   in 1902  
Minimum Temperature   26   46   32   -6   54   in 1999   11   in 1901  
Average Temperature   31   51   39   -8   58   in 2001   19   in 1902  
 Month Avg Max Temperature   47.5   49.0   46.2   +1.3   59.2   in 2001   33.0   in 1904  
Month Avg Min Temperature   38.5   35.2   33.2   +5.3   45.3   in 2001   14.5   in 1989  
Month Average Temperature   43.2   42.3   39.5   +3.7   52.7   in 2001   24.8   in 1976  
High Heat Index                   #N/A   in #N/A            
Low Wind Chill   19   43   23   -4             0   in 1954  
Heating Degree Days   34   14   26   +8   46   in 1902   7   in 2001  
Month Heating DD   131   136   153   -22   241   in 1976   74   in 2001  
Season Heating DD   1072   957   1143   -71   1534   in 1904   888   in 2011  
Cooling Degree Days   0   0   0   +0       in     0   in Many  
Month Cooling DD   0   0   0   +0   3   in 2022   0   in Many  
Year Cooling DD   726   784   609   +117   871   in 2020   290   in 1902  
Maximum Dew Point   31   50   38   -7   59   in 2021   12   in 1969  
Minimum Dew Point   22   43   24   -2   52   in 2011   2   in 1992  
Average  Dew Point   27   47   31   -4   54   in 2011   10   in 1969  
 Month Avg Max Dew Point   42.8   43.2   38.0   +4.8   52.7   in 1982   16.0   in 1976  
Month Avg Min Dew Point   35.5   28.3   23.3   +12.2   39.8   in 1982   -2.7   in 1989  
Month Average Dew Point   39.3   36.0   30.6   +8.7   46.3   in 1982   9.3   in 1989  
Precipitation   .01   .02   .15   -.14   2.06   in 1945            
One Hour Rain   .00   .01           .50   in 1953            
Half Hour Rain   .00   .00           .14   in 2017            
Hourly Rain Rate   .00   .00           2.38   in 2021            
Month Precipitation   .94   .54   .90   +.04   4.15   in 1981   .00   in 2000  
Year Precipitation   49.99   38.35   42.33   +7.66   61.67   in 1983   24.19   in 1957  
Snow   0.1   0.0   0.2   -0.1   13.9   in 1981            
Snow Depth   0   0   0   -0   8   in 2002            
Month Snow   0.1   0.0   0.8   -0.7   17.0   in 1981   0.0   in 2022  
Season Snow   0.1   0.0   1.4   +1.4   19.5   in 1898   0.0   in 2022  
    December 6, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   92%   93%   89%   +3%   100%   in 2013   56%   in 1992  
Minimum Humidity   69%   80%   60%   +9%   95%   in 2014   32%   in 1958  
Average Humidity   81%   87%   75%   +6%   98%   in 1972   47%   in 1992  
Maximum Barometer   30.00   30.42   30.10   -00.10   30.63   in 1976   29.52   in 1997  
Minimum Barometer   29.91   30.34   29.77   +00.14   30.34   in 2022   28.85   in 1977  
Average Barometer   29.96   30.38   29.94   +00.02   30.46   in 1976   29.19   in 1977  
Average Wind   8.8   8.1   8.6   +0.2   20.7   in 2003   2.0   in 1974  
Direction   N   SE   NW       NNE SW
High Wind Gust   20   25   27   -7   52   in 1953   9   in 1974  
Direction   N   SE   NW       SSW S
Maximum Water Temp   49.8   50.7   48.4   +1.4   53.0   in 2011   42.6   in 2007  
Minimum Water Temp   47.1   49.1   46.1   +1.0   51.8   in 2011   40.6   in 2019  
Average Water Temp   48.5   49.9   47.3   +1.2   52.4   in 2011   41.7   in 2007  
Sunrise/ AM Twilight   6:56:54 AM   6:27:56 AM            
Sunset / PM Twilight   4:14:59 PM   4:44:22 PM            
Length Of Day   9:18:05                          
Special Conditions   Fog                                  
Comments   1st Measurable Snow Of Season  
Hour-by-Hour Weather For December 6, 2023            
Climate Weather for December 6            
Weather History For December 6            
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