Portsmouth Rhode Island Weather Almanac
Saturday, August 8, 2020
Cloudy early, Partly Cloudy Day to Mostly Cloudy PM, Light Winds and Warm
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2020  
    August 8, 2020     Record Record
Observed Daily Data   Observed   2019   Normal   Depart   Highest Lowest
Maximum Temperature   83   81   79   +4   92   in 1909   67   in 1903  
Minimum Temperature   67   68   65   +2   72   in 2018   51   in 1957  
Average Temperature   75   75   72   +3   80   in 2001   60   in 1903  
Precipitation   .00   .17   .12   -.12   2.44   in 1976            
One Hour   .00   .17           1.54   in 1999            
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 1903   0   in 2020  
CDD   10   10   7   +3   15   in 2001   0   in 2004  
Maximum Dew Point   70   72   69   +1   76   in 2018   57   in 2009  
Minimum Dew Point   63   66   60   +3   70   in 2018   47   in 1989  
Average  Dew Point   67   69   64   +3   73   in 2018   54   in 2009  
Maximum Humidity   93%   95%   93%   -0%   100%   in 2017   70%   in 1965  
Minimum Humidity   60%   66%   59%   +1%   98%   in 1976   36%   in 1957  
Average Humidity   77%   81%   76%   +0%   99%   in 1976   58%   in 1971  
Maximum Barometer   30.17   29.79   30.02   +00.15   30.41   in 1998   29.62   in 2011  
Minimum Barometer   30.11   29.67   29.83   +00.28   30.30   in 1998   29.46   in 2011  
Average Barometer   30.14   29.73   29.93   +00.21   30.36   in 1998   29.54   in 2011  
Average Wind   3.8   8.0   5.6   -1.8   11.6   in 1969   1.1   in 1997  
Direction   ENE   SSW   S       SW         SW        
High Wind Gust   15   25   20   -5   35   in 1956   9   in 1997  
Direction   SSE   S   SSW       WNW         N        
High Heat Index   87   85   82   +5   99   in 2001            
Wind Chill                             #N/A   in #N/A  
Maximum Water Temp   68.7   74.4   71.9   -3.2   75.4   in 2012   67.3   in 2017  
Minimum Water Temp   66.6   71.9   68.7   -2.1   72.8   in 2018   64.0   in 2001  
Average Water Temp   67.7   73.2   70.3   -2.6   74.0   in 2012   66.1   in 2017  
Sunrise/ AM Twilight   5:47:53 AM   5:17:34 AM            
Sunset / PM Twilight   7:53:42 PM   8:24:00 PM            
Length Of Day   14:05:49                          
Special Conditions   None                                  
Comments      
    August 8, 2020     Record Record
Month-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
 Avg Maximum Temperature   84.6   82.4   79.0   +5.6   86.3   in 1980   70.6   in 1903  
Avg Minimum Temperature   68.9   66.3   65.3   +3.6   71.4   in 1988   56.0   in 1964  
Average Temperature   76.9   74.5   72.1   +4.8   78.3   in 1980   64.4   in 1903  
Total Precipitation   .12   .19   .93   -.81   6.40   in 1946   .00   in 1998  
Total Snow   0.0   0.0   0.0   +0.0   0.0   in     0.0   in    
Total HDD   0   0   0   +0   16   in 1903   0   in 2020  
Total CDD   95   76   63   +32   106   in 1980   6   in 1964  
Avg Maximum Dew Point   72.5   70.0   68.9   +3.6   75.0   in 2018   58.3   in 1964  
Avg Minimum Dew Point   63.6   60.5   60.9   +2.8   69.1   in 2018   48.6   in 1964  
Average  Dew Point   68.1   65.3   64.9   +3.2   72.1   in 2018   53.4   in 1964  
    August 8, 2020     Record Record
Year-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
Total Precipitation   22.50   35.42   28.74   -6.24   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   16   in 1903   0   in 2020  
Total CDD (since Jan 1)   559   496   367   +192   559   in 2020   187   in 1902  
                             
Hour-by-Hour Weather For August 8, 2020  
Climate Weather for August 8  
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