Portsmouth Rhode Island Weather Almanac  
Sunday, December 10, 2023  
Cloudy, PM Rain, Windy and Much Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    December 10, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   58   35   44   +14   62   in 1946   17   in 1904  
Minimum Temperature   49   31   31   +18   49   in 2023   4   in 1902  
Average Temperature   54   33   38   +16   55   in 1946   14   in 1904  
 Month Avg Max Temperature   47.2   48.7   45.6   +1.6   55.6   in 1953   31.4   in 1904  
Month Avg Min Temperature   36.5   36.1   32.6   +3.9   42.1   in 1998   14.9   in 1989  
Month Average Temperature   42.1   42.6   39.0   +3.1   49.0   in 1998   25.0   in 1989  
High Heat Index                   #N/A   in #N/A            
Low Wind Chill   45   24   21   +24             -9   in 1968  
Heating Degree Days   11   32   27   -16   51   in 1904   10   in 1946  
Month Heating DD   229   224   260   -31   400   in 1989   160   in 1998  
Season Heating DD   1170   1045   1250   -80   1697   in 1904   971   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   57   31   37   +20   59   in 2012   -6   in 1968  
Minimum Dew Point   48   14   22   +26   48   in 2023   -11   in 1968  
Average  Dew Point   53   23   30   +23   53   in 2023   -9   in 1968  
 Month Avg Max Dew Point   42.2   43.2   37.2   +5.0   47.3   in 2001   18.8   in 1989  
Month Avg Min Dew Point   33.3   27.2   22.4   +10.9   35.4   in 2015   -3.3   in 1989  
Month Average Dew Point   38.0   35.4   29.8   +8.2   41.0   in 2015   7.8   in 1989  
Precipitation   .18   T   .15   +.03   2.78   in 1936            
One Hour Rain   .06   .00           .44   in 2012            
Half Hour Rain   .04   .00           .26   in 2012            
Hourly Rain Rate   .21   .00           5.05   in 2012            
Month Precipitation   1.12   1.83   1.50   -.38   4.50   in 1936   .00   in 1988  
Year Precipitation   50.17   39.64   42.93   +7.24   61.88   in 1983   26.25   in 1965  
Snow   0.0   T   0.2   -0.2   2.9   in 1905            
Snow Depth   0   0   0   -0   12   in 1981            
Month Snow   0.1   T   1.6   -1.5   17.0   in 1981   0.0   in 2015  
Season Snow   0.1   T   2.2   +2.2   19.5   in 1898   0.0   in 2015  
    December 10, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   99%   94%   86%   +13%   100%   in 2015   47%   in 1968  
Minimum Humidity   93%   45%   59%   +34%   96%   in 1966   24%   in 1968  
Average Humidity   96%   70%   73%   +23%   98%   in 1966   36%   in 1968  
Maximum Barometer   30.12   30.42   30.14   -00.02   30.55   in 1964   29.48   in 1981  
Minimum Barometer   29.65   30.25   29.84   -00.19   30.36   in 1949   29.08   in 1903  
Average Barometer   29.89   30.34   29.99   -00.10   30.46   in 1949   29.39   in 1981  
Average Wind   12.4   10.9   7.6   +4.8   22.9   in 1977   0.9   in 1997  
Direction   S   N   WNW       WNW WNW
High Wind Gust   34   26   24   +10   49   in 1905   10   in 1997  
Direction   S   N   WNW       NW N
Maximum Water Temp   50.2   48.0   47.0   +3.2   52.8   in 2011   41.9   in 2010  
Minimum Water Temp   48.4   45.9   44.5   +3.9   50.1   in 2011   37.7   in 2010  
Average Water Temp   49.3   47.0   45.8   +3.5   51.5   in 2011   39.8   in 2010  
Sunrise/ AM Twilight   7:00:30 AM   6:31:20 AM            
Sunset / PM Twilight   4:14:56 PM   4:44:34 PM            
Length Of Day   9:14:26                          
Special Conditions   Fog                                  
Comments      
Hour-by-Hour Weather For December 10, 2023            
Climate Weather for December 10            
Weather History For December 10            
Weather Calendar            
Back To Weather Stat Page            
Home