Portsmouth Rhode Island Weather Almanac  
Thursday, July 8, 2021  
Partly Cloudy early, Mostly Cloudy Day to Cloudy,Light Rain & Fog PM, Seasonal Temps  
Climate Normal Period Climate Record Period  
1991- 2020   1893 - 2021  
    July 8, 2021   Record   Record  
Observed Daily Data   2021   2020   Norm   Depart   Highest   Lowest  
Maximum Temperature   76   82   80   -4   93   in 1937   62   in 2005  
Minimum Temperature   67   66   64   +3   72   in 1986   52   in 1980  
Average Temperature   72   74   72   +0   82   in 1937   60   in 2005  
 Month Avg Max Temperature   75.1   79.3   79.0   -3.9   87.5   in 1955   69.4   in 1914  
Month Avg Min Temperature   62.5   63.6   63.6   -1.1   70.8   in 2013   54.3   in 1962  
Month Average Temperature   69.1   71.8   71.6   -2.5   77.3   in 1999   62.8   in 1914  
HDD   0   0   0   +0   5   in 2005   0   in    
Month HDD   9   0   3   +6   23   in 1914   0   in 2020  
Season HDD   9   0   3   +6   23   in 1914   0   in 2020  
CDD   7   9   7   +0   17   in 1937   0   in 2005  
Month CDD   42   54   53   -11   98   in 1999   5   in 1914  
Year CDD   204   187   146   +58   228   in 1957   31   in 1972  
Maximum Dew Point   72   74   68   +4   77   in 1994   53   in 2000  
Minimum Dew Point   65   64   60   +5   69   in 2015   37   in 1969  
Average  Dew Point   69   69   64   +5   73   in 1994   45   in 1969  
 Month Avg Max Dew Point   68.9   69.6   67.6   +1.3   73.9   in 2013   55.0   in 1982  
Month Avg Min Dew Point   60.5   61.3   59.0   +1.5   68.1   in 2013   46.6   in 1962  
Month Average Dew Point   64.7   65.4   63.4   +1.3   71.0   in 2013   51.0   in 1982  
Precipitation   .01   .12   .10   -.09   1.33   in 2009            
One Hour   .01   .12           1.09   in 2009            
Hourly Rate   .00   2.50           4.24   in 2009            
Month Precipitation   2.17   .13   .86   +1.31   4.73   in 2009   .00   in 2019  
Year Precipitation   21.23   21.15   23.43   -2.20   40.76   in 1998   12.92   in 1957  
Snow   0.0   0.0   #####   #####   0.0   in              
Snow Depth   0   0           0   in              
Month Snow   #N/A   #N/A   #N/A   #N/A   #N/A   in #N/A   #N/A   in    
Season Snow   #N/A   #N/A   #N/A   #N/A   #N/A   in #N/A   #N/A   in #N/A  
    July 8, 2021     Record Record
Observed Daily Data   2021   2020   Norm   Depart   Highest Lowest
Maximum Humidity   99%   96%   91%   +8%   100%   in 2016   59%   in 1951  
Minimum Humidity   77%   75%   57%   +20%   91%   in 2005   28%   in 1969  
Average Humidity   88%   86%   74%   +14%   95%   in 2005   50%   in 1959  
Maximum Barometer   30.05   30.10   30.01   +00.04   30.36   in 2018   29.77   in 1963  
Minimum Barometer   29.95   29.95   29.83   +00.12   30.27   in 2018   29.47   in 1991  
Average Barometer   30.00   30.03   29.92   +00.08   30.32   in 2018   29.65   in 1991  
Average Wind   4.3   7.0   6.1   -1.8   11.1   in 1986   1.8   in 1998  
Direction   ENE   SW   SW       WNW         W        
High Wind Gust   26   28   21   +5   32   in 1986   9   in 1998  
Direction   NW   WSW   SSW       WNW         WNW        
High Heat Index   79   88   81   -2   105   in 1993            
Low Wind Chill                             #N/A   in #N/A  
Maximum Water Temp   71.2   65.3   70.0   +1.2   77.7   in 2013   64.0   in 2005  
Minimum Water Temp   69.1   62.4   65.4   +3.7   70.9   in 1999   59.9   in 2003  
Average Water Temp   70.2   63.9   67.7   +2.4   73.8   in 2013   62.9   in 2005  
Sunrise/ AM Twilight   5:20:09 AM   4:46:53 AM            
Sunset / PM Twilight   8:20:53 PM   8:54:09 PM            
Length Of Day   15:00:44                          
Special Conditions   Dense Fog, Haze                          
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Hour-by-Hour Weather For July 8, 2021            
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