Portsmouth Rhode Island Weather Almanac  
Saturday, June 24, 2023  
Cloudy, Rain & Fog AM, Warm and Humid  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    June 24, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   75   75   76   -1   89   in 1921   56   in 1903  
Minimum Temperature   65   54   61   +4   70   in 1909   47   in 1932  
Average Temperature   70   65   69   +1   77   in 1983   53   in 1903  
 Month Avg Max Temperature   71.5   73.8   72.9   -1.3   78.4   in 1957   65.8   in 1903  
Month Avg Min Temperature   55.2   57.0   56.8   -1.7   60.3   in 2001   51.4   in 1907  
Month Average Temperature   63.6   65.6   65.0   -1.4   68.3   in 1899   59.3   in 1907  
High Heat Index   78   77           94   in 2013            
Low Wind Chill                                      
Heating Degree Days   0   0   1   -1   12   in 1903   0   in 2023  
Month Heating DD   61   24   47   +14   159   in 1907   5   in 1899  
Season Heating DD   4783   5009   5475   -692   6619   in 1905   4442   in 1932  
Cooling Degree Days   5   0   3   +2   12   in 1983   0   in 2022  
Month Cooling DD   27   39   52   -25   109   in 1957   3   in 1916  
Year Cooling DD   36   62   64   -28   125   in 1957   3   in 1916  
Maximum Dew Point   72   65   66   +6   74   in 2017   46   in 1953  
Minimum Dew Point   65   53   56   +9   66   in 2010   36   in 1988  
Average  Dew Point   69   59   61   +8   70   in 2010   42   in 1953  
 Month Avg Max Dew Point   61.5   62.1   62.0   -0.5   65.2   in 2008   54.7   in 1965  
Month Avg Min Dew Point   53.1   52.6   52.2   +0.9   56.5   in 2010   43.3   in 1958  
Month Average Dew Point   57.3   57.3   57.0   +0.3   60.7   in 2010   49.3   in 1958  
Precipitation   .47   .00   .12   +.35   2.04   in 2006            
One Hour Rain   .12   .00           .53   in 2017            
Hourly Rain Rate   1.99   .00           4.97   in 2006            
Month Precipitation   1.70   2.71   2.85   -1.15   8.93   in 1982   .01   in 1949  
Year Precipitation   22.37   21.91   21.89   +.48   38.25   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 24, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   99%   99%   91%   +8%   100%   in 2018   57%   in 1953  
Minimum Humidity   86%   61%   57%   +29%   94%   in 2006   24%   in 1953  
Average Humidity   93%   80%   74%   +19%   97%   in 2006   41%   in 1953  
Maximum Barometer   29.99   30.04   30.01   -00.02   30.42   in 2021   29.75   in 1956  
Minimum Barometer   29.83   29.98   29.82   +00.01   30.30   in 2021   29.35   in 1944  
Average Barometer   29.91   30.01   29.92   -00.01   30.36   in 2021   29.67   in 1990  
Average Wind   6.5   3.8   5.7   +0.8   13.3   in 1984   1.3   in 1995  
Direction   SW   SW   SW       SSE ESE
High Wind Gust   19   26   20   -1   29   in 1986   8   in 1995  
Direction   SW   SW   SSW       WNW SE
Maximum Water Temp   67.1   65.8   66.6   +0.5   74.3   in 2007   61.3   in 2009  
Minimum Water Temp   65.8   63.7   63.0   +2.8   69.7   in 2007   59.2   in 2020  
Average Water Temp   66.5   64.8   64.8   +1.6   72.0   in 2007   60.8   in 2020  
Sunrise/ AM Twilight   5:11:53 AM   4:38:45 AM            
Sunset / PM Twilight   8:23:04 PM   8:57:07 PM            
Length Of Day   15:11:11                          
Special Conditions   Dense Fog                              
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