Portsmouth Rhode Island Weather Almanac
Friday, August 7, 2020
Partly Cloudy early then Mostly Cloudy, Light Winds and Warm
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2020  
    August 7, 2020     Record Record
Observed Daily Data   Observed   2019   Normal   Depart   Highest Lowest
Maximum Temperature   81   81   79   +2   92   in 1931   67   in 1928  
Minimum Temperature   67   67   65   +2   73   in 2018   52   in 1957  
Average Temperature   74   74   72   +2   81   in 1931   62   in 2004  
Precipitation   .00   .01   .12   -.12   4.87   in 1946            
One Hour   .00   .01           .56   in 1978            
Snow   0.0   0.0   0.0   +0.0   0.0   in              
Snow Depth   0   0           0   in            
HDD   0   0   0   +0   3   in 2004   0   in 2020  
CDD   9   9   8   +1   16   in 1931   0   in 2004  
Maximum Dew Point   67   75   69   -2   76   in 2018   55   in 1991  
Minimum Dew Point   60   66   60   -0   72   in 2018   43   in 1957  
Average  Dew Point   64   71   64   -0   74   in 2018   50   in 1957  
Maximum Humidity   87%   98%   93%   -6%   100%   in 2011   74%   in 1979  
Minimum Humidity   51%   80%   58%   -7%   93%   in 1976   33%   in 1957  
Average Humidity   69%   89%   75%   -6%   96%   in 1976   57%   in 1979  
Maximum Barometer   30.17   29.90   30.05   +00.12   30.39   in 1992   29.74   in 1954  
Minimum Barometer   30.11   29.79   29.85   +00.26   30.27   in 1998   29.35   in 1989  
Average Barometer   30.14   29.85   29.95   +00.19   30.32   in 1998   29.60   in 1989  
Average Wind   2.4   9.9   5.6   -3.2   12.4   in 1962   2.1   in 1998  
Direction   ENE   S   SSW       SSW         SSE        
High Wind Gust   14   27   20   -6   45   in 1955   9   in 1998  
Direction   SE   S   S       SSW         SE        
High Heat Index   82   87   81   +1   96   in 2001            
Wind Chill                             #N/A   in #N/A  
Maximum Water Temp   67.8   74.3   71.7   -3.9   75.6   in 2018   67.8   in 2020  
Minimum Water Temp   66.4   71.7   68.9   -2.5   73.0   in 2018   64.4   in 2001  
Average Water Temp   67.1   73.0   70.3   -3.2   74.3   in 2018   67.1   in 2004  
Sunrise/ AM Twilight   5:46:52 AM   5:16:28 AM            
Sunset / PM Twilight   7:54:59 PM   8:25:23 PM            
Length Of Day   14:08:07                          
Special Conditions   None                                  
Comments      
    August 7, 2020     Record Record
Month-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
 Avg Maximum Temperature   84.9   82.6   79.0   +5.9   87.0   in 1955   71.1   in 1903  
Avg Minimum Temperature   69.1   66.0   65.3   +3.9   71.4   in 1988   55.4   in 1964  
Average Temperature   77.1   74.4   72.1   +5.0   78.0   in 2006   64.3   in 1964  
Total Precipitation   .12   .02   .81   -.69   6.40   in 1946   .00   in 1999  
Total Snow   0.0   0.0   0.0   +0.0   0.0   in     0.0   in    
Total HDD   0   0   0   +0   11   in 1903   0   in 2020  
Total CDD   85   66   56   +29   91   in 2006   5   in 1964  
Avg Maximum Dew Point   72.9   69.7   68.9   +4.0   74.9   in 2018   57.4   in 1964  
Avg Minimum Dew Point   63.7   59.7   61.0   +2.8   69.1   in 2003   48.9   in 1964  
Average  Dew Point   68.3   64.7   64.9   +3.4   71.9   in 2018   53.1   in 1964  
    August 7, 2020     Record Record
Year-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
Total Precipitation   22.50   35.25   28.62   -6.12   41.55   in 1998   14.69   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   11   in 1903   0   in 2020  
Total CDD (since Jan 1)   549   486   360   +189   549   in 2020   181   in 1902  
                             
Hour-by-Hour Weather For August 7, 2020  
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