Portsmouth Rhode Island Weather Almanac
Thursday, August 22, 2019
Mostly Cloudy early, Partly Cloudy, Hazy with Heavy Rain, passing Thunderstorm to Mostly Cloudy PM, Hot & Very Muggy
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2019  
    August 22, 2019     Record Record
Observed Daily Data   Observed   2018   Normal   Depart   Highest Lowest
Maximum Temperature   87   81   78   +9   90   in 1976   66   in 1999  
Minimum Temperature   72   66   62   +10   74   in 2009   47   in 1982  
Average Temperature   80   74   70   +10   80   in 2019   58   in 1982  
Precipitation   .58   .10   .13   +.45   2.21   in 1908            
One Hour   .58   .07           .87   in 1977            
Snow   0.0   0.0   0.0   +0.0   0.0   in              
Snow Depth   0   0               in            
HDD   0   0   0   +0   7   in 1982   0   in 2019  
CDD   15   9   5   +10   15   in 2019   0   in 2007  
Maximum Dew Point   77   74   65   +12   78   in 1976   45   in 1988  
Minimum Dew Point   71   64   57   +14   72   in 2009   36   in 1982  
Average  Dew Point   74   69   61   +13   74   in 2019   41   in 1988  
Maximum Humidity   96%   100%   93%   +3%   100%   in 2018   67%   in 1982  
Minimum Humidity   72%   73%   57%   +15%   89%   in 1997   34%   in 2005  
Average Humidity   84%   87%   75%   +9%   95%   in 1997   54%   in 1982  
Maximum Barometer   29.89   29.96   30.07   -00.18   30.49   in 1957   29.78   in 1994  
Minimum Barometer   29.83   29.62   29.87   -00.04   30.30   in 1957   29.58   in 1971  
Average Barometer   29.86   29.79   29.97   -00.11   30.40   in 1957   29.70   in 1971  
Average Wind   5.5   6.0   5.5   +0.0   11.7   in 1987   2.0   in 1976  
Direction   SSW   SW   SSW       SSW         SSE        
High Wind Gust   18   19   20   -2   35   in 1987   11   in 1976  
Direction   SW   SW   SSW       SSW         S        
High Heat Index   98   87   79   +19   103   in 1976            
Wind Chill                                      
Maximum Water Temp   74.3   73.9   71.3   +3.0   76.6   in 2003   67.3   in 2007  
Minimum Water Temp   71.9   72.3   68.6   +3.3   72.4   in 2015   65.1   in 2004  
Average Water Temp   73.1   73.1   70.0   +3.1   73.5   in 2015   66.3   in 2004  
Sunrise/ AM Twilight   6:02:08 AM   5:33:06 AM            
Sunset / PM Twilight   7:33:43 PM   8:02:45 PM            
Length Of Day   13:31:35                          
Special Conditions   Fog, Haze, Thunderstorm                          
Comments      
    August 22, 2019     Record Record
Month-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
 Avg Maximum Temperature   82.2   82.0   78.7   +3.5   84.1   in 1937   72.7   in 1964  
Avg Minimum Temperature   65.9   69.4   64.2   +1.7   69.4   in 2018   56.2   in 1964  
Average Temperature   74.0   75.7   71.5   +2.6   76.1   in 1937   64.5   in 1964  
Total Precipitation   1.49   3.63   2.64   -1.15   9.62   in 1946   .16   in 1993  
Total Snow   0.0   0.0   0.0   +0.0   0.0   in     0.0   in    
Total HDD   0   0   0   +0   26   in 1964   0   in 2019  
Total CDD   206   240   153   +53   251   in 1937   21   in 1964  
Avg Maximum Dew Point   69.6   73.2   67.4   +2.2   73.2   in 2018   58.5   in 1964  
Avg Minimum Dew Point   60.9   66.7   59.4   +1.5   66.9   in 2003   47.8   in 1964  
Average  Dew Point   65.3   70.0   63.4   +1.9   70.0   in 2018   53.1   in 1964  
    August 22, 2019     Record Record
Year-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
Total Precipitation   36.72   28.76   30.32   +6.40   43.94   in 1983   15.70   in 1957  
Total Snow (since Jul 1 19)   0.0   0.0   0.0   +0.0   0.0   in     0.0   in    
Total HDD (since Jul 1 19)   0   0   0   +0   26   in 1964   0   in 2019  
Total CDD (since Jan 1)   626   568   457   +169   639   in 2010   214   in 1902  
                             
Hour-by-Hour Weather For August 22, 2019  
Climate Weather for August 22  
Weather History For August 22  
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