Portsmouth Rhode Island Weather Almanac  
Thursday, December 14, 2023  
Clear, Breezy and Colder  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    December 14, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   36   37   44   -8   60   in 2015   21   in 1893  
Minimum Temperature   28   24   30   -2   50   in 1901   4   in 1982  
Average Temperature   32   31   37   -5   55   in 2015   13   in 1893  
 Month Avg Max Temperature   46.7   45.0   45.1   +1.6   54.4   in 2015   30.3   in 1904  
Month Avg Min Temperature   35.2   33.1   32.1   +3.1   41.9   in 2015   16.1   in 1989  
Month Average Temperature   41.2   39.3   38.5   +2.7   48.4   in 2015   25.0   in 1904  
High Heat Index                   #N/A   in #N/A            
Low Wind Chill   17   10   19   -2             -15   in 1982  
Heating Degree Days   33   34   28   +5   52   in 1893   10   in 2015  
Month Heating DD   333   360   370   -37   560   in 1904   232   in 2015  
Season Heating DD   1274   1181   1360   -86   1872   in 1904   1027   in 2015  
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   26   25   36   -10   58   in 2015   -2   in 1989  
Minimum Dew Point   11   11   21   -10   46   in 2015   -11   in 1960  
Average  Dew Point   19   18   29   -10   52   in 2015   -6   in 1989  
 Month Avg Max Dew Point   40.8   38.7   36.5   +4.3   48.4   in 2015   17.6   in 1989  
Month Avg Min Dew Point   29.7   24.1   21.5   +8.2   37.9   in 2015   -1.3   in 1989  
Month Average Dew Point   35.5   31.6   29.0   +6.5   43.3   in 2015   8.2   in 1989  
Precipitation   .00   T   .15   -.15   1.81   in 1897            
One Hour Rain   .00   .00           .47   in 2002            
Half Hour Rain   .00   .00           .22   in 2019            
Hourly Rain Rate   .00   .00           1.67   in 2019            
Month Precipitation   2.43   1.96   2.11   +.32   6.64   in 1936   .04   in 1911  
Year Precipitation   51.48   39.77   43.54   +7.94   63.38   in 1983   27.09   in 1965  
Snow   0.0   T   0.2   -0.2   5.3   in 1907            
Snow Depth   0   0   1   -1   11   in 1904            
Month Snow   0.1   1.5   2.4   -2.3   19.2   in 1981   0.0   in 2015  
Season Snow   0.1   1.5   3.0   +3.0   21.1   in 1898   0.0   in 2015  
    December 14, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   73%   77%   87%   -14%   100%   in 2019   46%   in 1989  
Minimum Humidity   38%   55%   59%   -21%   93%   in 1993   23%   in 1989  
Average Humidity   56%   66%   73%   -17%   97%   in 1993   35%   in 1989  
Maximum Barometer   30.62   30.18   30.20   +00.42   30.67   in 1984   29.55   in 2010  
Minimum Barometer   30.41   29.95   29.84   +00.57   30.49   in 1994   29.14   in 2010  
Average Barometer   30.52   30.07   30.02   +00.50   30.54   in 1994   29.35   in 2010  
Average Wind   8.8   13.7   8.2   +0.6   15.6   in 1953   2.7   in 1981  
Direction   NW   NW   N       NE WSW
High Wind Gust   24   37   26   -2   57   in 1953   12   in 1972  
Direction   NW   NNW   WNW       SW N
Maximum Water Temp   47.3   45.1   46.4   +0.9   52.2   in 2011   41.9   in 2018  
Minimum Water Temp   44.6   42.6   44.0   +0.6   50.4   in 2015   38.4   in 2013  
Average Water Temp   46.0   43.9   45.2   +0.7   50.7   in 2015   40.3   in 2013  
Sunrise/ AM Twilight   7:03:42 AM   6:34:21 AM            
Sunset / PM Twilight   4:15:32 PM   4:45:21 PM            
Length Of Day   9:11:50                          
Special Conditions   None                              
Comments      
Hour-by-Hour Weather For December 14, 2023            
Climate Weather for December 14            
Weather History For December 14            
Weather Calendar            
Back To Weather Stat Page            
Home