Portsmouth Rhode Island Weather Almanac  
Monday, June 19, 2023  
Partly Cloudy, Light Winds, Seasonal Temperatures  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    June 19, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   74   63   75   -1   89   in 1994   60   in 1958  
Minimum Temperature   57   50   59   -2   67   in 1994   45   in 1956  
Average Temperature   66   57   67   -1   78   in 1994   54   in 1950  
 Month Avg Max Temperature   71.3   73.6   72.2   -0.9   78.3   in 1925   64.7   in 1907  
Month Avg Min Temperature   54.5   57.5   56.0   -1.5   59.2   in 1899   49.6   in 1907  
Month Average Temperature   63.1   65.7   64.2   -1.1   68.8   in 1925   57.3   in 1907  
High Heat Index   75   60           97   in 1994            
Low Wind Chill                             43   in 1956  
Heating Degree Days   0   8   1   -1   11   in 1950   0   in 2023  
Month Heating DD   55   23   42   +13   156   in 1907   3   in 1899  
Season Heating DD   4777   5008   5470   -693   6605   in 1905   4428   in 1932  
Cooling Degree Days   1   0   3   -2   13   in 1994   0   in 2022  
Month Cooling DD   19   37   34   -15   89   in 1925   0   in 1965  
Year Cooling DD   28   60   45   -17   97   in 1929   1   in 1948  
Maximum Dew Point   63   50   64   -1   77   in 1994   50   in 2022  
Minimum Dew Point   54   44   54   +0   64   in 2017   31   in 1986  
Average  Dew Point   59   47   59   +0   70   in 1994   43   in 1986  
 Month Avg Max Dew Point   60.6   61.9   61.2   -0.6   65.4   in 1996   53.1   in 1965  
Month Avg Min Dew Point   52.2   52.6   51.3   +0.9   54.8   in 2005   42.6   in 1958  
Month Average Dew Point   56.4   57.3   56.2   +0.2   60.0   in 1996   48.3   in 1965  
Precipitation   .00   .16   .12   -.12   2.21   in 1972            
One Hour Rain   .00   .07           .88   in 2021            
Hourly Rain Rate   .00   .17           3.89   in 2021            
Month Precipitation   1.23   2.71   2.25   -1.02   8.85   in 1982   .01   in 1949  
Year Precipitation   21.90   21.91   21.29   +.61   38.24   in 1998   12.67   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 19, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   97%   95%   94%   +3%   100%   in 2017   64%   in 1954  
Minimum Humidity   66%   55%   59%   +7%   92%   in 1958   33%   in 1986  
Average Humidity   82%   75%   77%   +5%   96%   in 2017   52%   in 1954  
Maximum Barometer   30.19   29.99   30.04   +00.15   30.47   in 2002   29.69   in 1959  
Minimum Barometer   29.95   29.74   29.83   +00.12   30.30   in 1999   29.37   in 1990  
Average Barometer   30.07   29.87   29.93   +00.14   30.37   in 2002   29.60   in 1985  
Average Wind   5.0   8.3   5.9   -0.9   12.6   in 1957   1.5   in 1996  
Direction   SSE   NW   SSW       SSW ESE
High Wind Gust   16   29   21   -5   36   in 1979   11   in 1997  
Direction   SSE   NNW   SSW       NE W
Maximum Water Temp   64.6   64.0   65.4   -0.8   71.4   in 2007   61.4   in 2005  
Minimum Water Temp   62.2   62.6   61.7   +0.5   66.9   in 2007   57.0   in 2005  
Average Water Temp   63.4   63.3   63.5   -0.1   69.2   in 2007   59.2   in 2005  
Sunrise/ AM Twilight   5:10:45 AM   4:37:22 AM            
Sunset / PM Twilight   8:22:08 PM   8:56:21 PM            
Length Of Day   15:11:23                          
Special Conditions   None                              
Comments      
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