Portsmouth Rhode Island Weather Almanac  
Wednesday, June 14, 2023  
Clear Morning, Partly Cloudy Day, Mostly Cloudy, Light Rain/Thunderstorm PM, Cooler  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    June 14, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   74   80   73   +1   92   in 1956   56   in 1951  
Minimum Temperature   58   61   57   +1   66   in 1984   45   in 1912  
Average Temperature   66   71   65   +1   78   in 1956   54   in 1982  
 Month Avg Max Temperature   70.1   74.5   71.4   -1.3   78.5   in 1925   60.8   in 1907  
Month Avg Min Temperature   53.4   57.9   55.1   -1.8   59.9   in 2008   47.2   in 1907  
Month Average Temperature   61.9   66.4   63.4   -1.4   69.0   in 1899   54.1   in 1907  
High Heat Index   75   80           96   in 2005            
Low Wind Chill                             44   in 1912  
Heating Degree Days   0   0   1   -1   11   in 1982   0   in 2023  
Month Heating DD   54   10   37   +17   152   in 1907   2   in 1899  
Season Heating DD   4776   4995   5465   -689   6601   in 1905   4414   in 1932  
Cooling Degree Days   1   6   2   -1   13   in 1956   0   in 2021  
Month Cooling DD   11   29   19   -8   80   in 1984   0   in 1998  
Year Cooling DD   20   52   30   -10   80   in 1984   0   in 1972  
Maximum Dew Point   64   62   62   +2   74   in 2005   47   in 1985  
Minimum Dew Point   56   53   53   +3   64   in 1999   29   in 1958  
Average  Dew Point   60   58   57   +3   67   in 2001   41   in 1978  
 Month Avg Max Dew Point   59.6   62.4   60.4   -0.9   65.5   in 1996   50.0   in 1988  
Month Avg Min Dew Point   50.9   53.1   50.5   +0.4   56.1   in 2005   41.7   in 1988  
Month Average Dew Point   55.3   57.8   55.4   -0.1   60.6   in 2005   45.9   in 1988  
Precipitation   .08   .00   .12   -.04   1.76   in 1998            
One Hour Rain   .08   .00           .94   in 1998            
Hourly Rain Rate   1.14   .00           1.72   in 2004            
Month Precipitation   .71   2.03   1.65   -.94   8.29   in 1982   T   in 1949  
Year Precipitation   21.38   21.23   20.69   +.69   36.73   in 1983   12.64   in 1957  
Snow                                      
Snow Depth                                      
Month Snow                                      
Season Snow   9.1   34.7   33.5   -24.4   84.1   in 1996   5.0   in 1998  
    June 14, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   98%   92%   93%   +5%   100%   in 2018   69%   in 1991  
Minimum Humidity   59%   42%   58%   +1%   94%   in 1998   23%   in 1958  
Average Humidity   79%   67%   75%   +3%   97%   in 1998   50%   in 1991  
Maximum Barometer   29.65   29.92   30.01   -00.36   30.39   in 2020   29.57   in 1959  
Minimum Barometer   29.49   29.86   29.81   -00.32   30.26   in 2020   29.38   in 1958  
Average Barometer   29.57   29.89   29.91   -00.34   30.33   in 2020   29.50   in 1998  
Average Wind   6.7   5.5   6.0   +0.7   13.1   in 1978   1.9   in 2006  
Direction   W   NNW   S       WNW SSW
High Wind Gust   28   19   21   +7   36   in 1978   10   in 1968  
Direction   SSE   NW   S       WNW S
Maximum Water Temp   64.4   64.9   63.3   +1.1   68.5   in 2001   57.4   in 1998  
Minimum Water Temp   62.2   62.8   59.8   +2.4   65.3   in 2007   55.4   in 2006  
Average Water Temp   63.3   63.9   61.6   +1.7   65.9   in 2007   56.4   in 1998  
Sunrise/ AM Twilight   5:10:26 AM   4:36:52 AM            
Sunset / PM Twilight   8:20:24 PM   8:54:40 PM            
Length Of Day   15:09:58                          
Special Conditions   Fog, Thunderstorm                          
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