Portsmouth Rhode Island Weather Almanac
Friday, July 10, 2020
Cloudy, Dense Fog early, Mostly Cloudy Day to Cloudy PM, Very Light Rain, Light Winds, Warm & Very Muggy
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2020  
    July 10, 2020     Record Record
Observed Daily Data   Observed   2019   Normal   Depart   Highest Lowest
Maximum Temperature   81   88   79   +2   95   in 1993   66   in 1964  
Minimum Temperature   70   63   63   +7   74   in 1911   52   in 2009  
Average Temperature   76   76   71   +5   84   in 1911   60   in 1963  
Precipitation   .01   .00   .11   -.10   .98   in 1967            
One Hour   .01   .00           .52   in 1967            
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 1963   0   in 2020  
CDD   11   11   6   +5   19   in 1911   0   in 2009  
Maximum Dew Point   75   68   67   +8   75   in 2020   52   in 1983  
Minimum Dew Point   68   58   58   +10   71   in 2013   42   in 1983  
Average  Dew Point   72   63   63   +9   73   in 2013   47   in 1983  
Maximum Humidity   96%   95%   91%   +5%   100%   in 2013   63%   in 1986  
Minimum Humidity   75%   37%   54%   +21%   85%   in 1952   28%   in 1991  
Average Humidity   86%   66%   73%   +13%   92%   in 1964   51%   in 1986  
Maximum Barometer   30.04   30.07   29.99   +00.05   30.39   in 1934   29.75   in 1956  
Minimum Barometer   29.85   30.00   29.80   +00.05   30.25   in 2009   29.53   in 1985  
Average Barometer   29.95   30.04   29.90   +00.05   30.29   in 2009   29.71   in 1956  
Average Wind   3.8   4.1   5.9   -2.1   12.1   in 1986   2.7   in 2014  
Direction   SSE   S   SSW       NW         SE        
High Wind Gust   25   17   22   +3   42   in 1985   12   in 1973  
Direction   S   S   SSW       SSW         S        
High Heat Index   87   89   81   +6   101   in 1993            
Wind Chill                             #N/A   in #N/A  
Maximum Water Temp   67.1   72.3   70.1   -3.0   75.3   in 2013   67.1   in 2020  
Minimum Water Temp   63.7   69.1   65.4   -1.7   70.4   in 2010   60.3   in 2003  
Average Water Temp   65.4   70.7   67.7   -2.3   72.1   in 2010   64.1   in 2003  
Sunrise/ AM Twilight   5:21:02 AM   4:47:51 AM            
Sunset / PM Twilight   8:20:21 PM   8:53:32 PM            
Length Of Day   14:58:07                          
Special Conditions   Dense Fog                              
Comments   Tropical Storm Fay makes landfall at Atlantic City NJ @ 5pm  
    July 10, 2020     Record Record
Month-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
 Avg Maximum Temperature   79.8   83.8   78.3   +1.5   86.8   in 1955   70.2   in 1914  
Avg Minimum Temperature   64.9   63.9   62.3   +2.6   70.6   in 2013   55.3   in 1962  
Average Temperature   72.4   73.9   70.3   +2.1   76.5   in 1955   63.4   in 1914  
Total Precipitation   .14   .00   1.10   -.96   4.73   in 2009   .00   in 2019  
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   77   93   58   +19   117   in 1955   9   in 1914  
Avg Maximum Dew Point   70.6   68.7   66.8   +3.8   73.9   in 1994   57.4   in 1982  
Avg Minimum Dew Point   62.6   59.9   57.8   +4.8   68.3   in 2013   47.9   in 1962  
Average  Dew Point   66.6   64.3   62.3   +4.3   71.1   in 2013   52.8   in 1982  
    July 10, 2020     Record Record
Year-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
Total Precipitation   21.16   29.06   25.53   -4.37   40.76   in 1998   13.04   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)   210   188   147   +63   245   in 2010   35   in 1972  
                             
Hour-by-Hour Weather For July 10, 2020  
Climate Weather for July 10  
Weather History For July 10  
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