Portsmouth Rhode Island Weather Almanac
Monday, July 13, 2020
Mostly Cloudy early, Partly Cloudy Day to Clear PM, Continued Warm
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2020  
    July 13, 2020     Record Record
Observed Daily Data   Observed   2019   Normal   Depart   Highest Lowest
Maximum Temperature   84   82   79   +5   92   in 1927   63   in 1986  
Minimum Temperature   69   67   64   +5   73   in 2010   54   in 2001  
Average Temperature   77   75   71   +6   79   in 2010   60   in 1986  
Precipitation   .00   .00   .11   -.11   1.80   in 1898            
One Hour   .00   .00           .46   in 2006            
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 1986   0   in 2020  
CDD   12   10   7   +5   14   in 2010   0   in 2005  
Maximum Dew Point   72   69   67   +5   76   in 2010   54   in 1978  
Minimum Dew Point   66   63   59   +7   71   in 2010   48   in 1971  
Average  Dew Point   69   66   63   +6   74   in 2010   52   in 1978  
Maximum Humidity   93%   92%   93%   +0%   100%   in 2018   71%   in 1978  
Minimum Humidity   61%   57%   60%   +1%   92%   in 1987   32%   in 1978  
Average Humidity   77%   75%   76%   +1%   96%   in 1987   52%   in 1978  
Maximum Barometer   29.82   29.92   30.02   -00.20   30.31   in 1955   29.57   in 1976  
Minimum Barometer   29.75   29.78   29.83   -00.08   30.20   in 2018   29.23   in 1976  
Average Barometer   29.79   29.85   29.92   -00.14   30.24   in 1999   29.40   in 1976  
Average Wind   4.7   6.3   6.2   -1.5   12.0   in 2008   2.8   in 2005  
Direction   SW   SSW   SSW       SSE         SSE        
High Wind Gust   19   20   22   -3   38   in 1996   13   in 2013  
Direction   SSE   SW   SSW       SE         NNE        
High Heat Index   89   87   80   +9   95   in 2010            
Wind Chill                             #N/A   in #N/A  
Maximum Water Temp   69.3   72.8   70.4   -1.1   74.9   in 2010   66.6   in 2006  
Minimum Water Temp   66.6   70.1   66.4   +0.2   72.0   in 2012   62.2   in 2006  
Average Water Temp   68.0   71.5   68.4   -0.5   73.3   in 2012   64.4   in 2006  
Sunrise/ AM Twilight   5:23:17 AM   4:50:21 AM            
Sunset / PM Twilight   8:18:51 PM   8:51:47 PM            
Length Of Day   14:54:12                          
Special Conditions   None                                  
Comments      
    July 13, 2020     Record Record
Month-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
 Avg Maximum Temperature   80.7   83.8   78.5   +2.2   85.7   in 1993   72.4   in 1914  
Avg Minimum Temperature   66.1   64.9   62.5   +3.5   70.1   in 2013   57.1   in 1962  
Average Temperature   73.4   74.3   70.5   +2.9   76.0   in 2010   65.3   in 1914  
Total Precipitation   .14   2.45   1.43   -1.29   4.84   in 2009   .00   in 1908  
Total Snow   0.0   0.0   0.0   +0.0   0.0   in     0.0   in    
Total HDD   0   0   3   -3   23   in 1914   0   in 2020  
Total CDD   113   127   78   +35   146   in 1981   25   in 1918  
Avg Maximum Dew Point   71.0   69.4   66.9   +4.1   73.6   in 2013   58.1   in 1978  
Avg Minimum Dew Point   63.7   61.2   57.9   +5.8   67.8   in 2013   49.0   in 1962  
Average  Dew Point   67.3   65.3   62.4   +4.9   70.7   in 2013   53.7   in 1978  
    July 13, 2020     Record Record
Year-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
Total Precipitation   21.16   31.51   25.86   -4.70   40.76   in 1998   13.14   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   23   in 1914   0   in 2020  
Total CDD (since Jan 1)   246   222   167   +79   284   in 2010   55   in 1972  
                             
Hour-by-Hour Weather For July 13, 2020  
Climate Weather for July 13  
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