Portsmouth Rhode Island Weather Almanac
Monday, August 24, 2020
Cloudy early, Partly Cloudy Day to Mostly Cloudy & Fog PM, Hot and Muggy
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2020  
    August 24, 2020     Record Record
Observed Daily Data   Observed   2019   Normal   Depart   Highest Lowest
Maximum Temperature   86   77   78   +8   89   in 1980   64   in 1945  
Minimum Temperature   70   58   62   +8   71   in 1998   46   in 1957  
Average Temperature   78   68   70   +8   78   in 2020   60   in 1957  
Precipitation   T   .00   .13   .00   2.62   in 1927            
One Hour   T   .00           .78   in 1991            
Snow   0.0   0.0   0.0   +0.0   0.0   in              
Snow Depth   0   0           0   in            
HDD   0   0   0   +0   5   in 1957   0   in 2020  
CDD   13   3   5   +8   13   in 2020   0   in 2010  
Maximum Dew Point   75   58   65   +10   75   in 2020   43   in 1987  
Minimum Dew Point   69   51   57   +12   70   in 1998   36   in 1959  
Average  Dew Point   72   55   61   +11   73   in 1998   40   in 1987  
Maximum Humidity   97%   86%   91%   +6%   100%   in 2002   64%   in 2003  
Minimum Humidity   68%   45%   55%   +13%   91%   in 1961   29%   in 1995  
Average Humidity   83%   66%   73%   +9%   96%   in 1961   47%   in 2003  
Maximum Barometer   30.04   30.28   30.11   -00.07   30.47   in 1967   29.79   in 1963  
Minimum Barometer   29.90   30.04   29.91   -00.01   30.28   in 1967   29.45   in 1986  
Average Barometer   29.97   30.16   30.01   -00.04   30.38   in 1967   29.64   in 1986  
Average Wind   5.5   9.2   5.6   -0.1   14.3   in 1986   1.7   in 1961  
Direction   SW   N   N       W         NNE        
High Wind Gust   22   21   20   +2   40   in 1986   10   in 1961  
Direction   SW   NNE   SW       WNW         SSE        
High Heat Index   94   76   78   +16   94   in 2020            
Wind Chill                             #N/A   in #N/A  
Maximum Water Temp   67.5   74.0   71.2   -3.7   74.9   in 2015   67.5   in 2020  
Minimum Water Temp   64.0   71.6   68.0   -4.0   72.7   in 2015   62.7   in 2003  
Average Water Temp   65.8   72.8   69.6   -3.9   73.8   in 2015   65.8   in 2020  
Sunrise/ AM Twilight   6:04:10 AM   5:35:17 AM            
Sunset / PM Twilight   7:30:37 PM   7:59:29 PM            
Length Of Day   13:26:27                          
Special Conditions   Dense Fog                              
Comments      
    August 24, 2020     Record Record
Month-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
 Avg Maximum Temperature   83.4   81.7   78.7   +4.8   83.7   in 1939   72.9   in 1964  
Avg Minimum Temperature   67.4   65.4   64.0   +3.4   68.5   in 2018   56.6   in 1964  
Average Temperature   75.6   73.9   71.3   +4.3   76.0   in 1939   65.1   in 1964  
Total Precipitation   1.40   1.64   2.90   -1.50   11.04   in 1946   .16   in 1993  
Total Snow   0.0   0.0   0.0   +0.0   0.0   in     0.0   in    
Total HDD   0   0   0   +0   26   in 1964   0   in 2020  
Total CDD   255   213   163   +92   264   in 1939   28   in 1964  
Avg Maximum Dew Point   71.3   69.2   67.2   +4.1   72.4   in 2018   59.2   in 1964  
Avg Minimum Dew Point   63.5   60.2   59.2   +4.4   65.6   in 2018   48.8   in 1964  
Average  Dew Point   67.4   64.7   63.2   +4.3   69.0   in 2018   54.0   in 1964  
    August 24, 2020     Record Record
Year-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
Total Precipitation   23.78   36.87   30.71   -6.93   43.94   in 1983   15.70   in 1957  
Total Snow (since Jul 1 20)   0.0   0.0   0.0   +0.0   0.0   in     0.0   in    
Total HDD (since Jul 1 20)   0   0   3   -3   26   in 1964   0   in 2020  
Total CDD (since Jan 1)   719   633   467   +252   719   in 2020   216   in 1902  
                             
Hour-by-Hour Weather For August 24, 2020  
Climate Weather for August 24  
Weather History For August 24  
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