Portsmouth Rhode Island Weather Almanac  
Thursday, August 11, 2022  
Mostly Cloudy early, Cloudy, Light Rain & Fog midday to Mostly Cloudy, Light Winds and Cool  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2022
    August 11, 2022   Record   Record  
Observed Daily Data   2022   2021   Norm   Depart   Highest   Lowest  
Maximum Temperature   77   83   79   -2   94   in 1944   65   in 1922  
Minimum Temperature   68   72   64   +4   74   in 1988   53   in 1972  
Average Temperature   73   78   72   +1   83   in 1900   62   in 1922  
 Month Avg Max Temperature   84.3   78.6   79.5   +4.8   85.1   in 2020   71.0   in 1903  
Month Avg Min Temperature   70.5   64.1   64.8   +5.7   71.8   in 1988   55.5   in 1964  
Month Average Temperature   77.7   71.6   72.0   +5.7   78.5   in 1988   64.4   in 1964  
High Heat Index   79   91   81   -2   107   in 1944            
Low Wind Chill                                 in #N/A  
Heating Degree Days   0   0   0   +0   3   in 1922   0   in 2022  
Month HDD   0   0   0   +0   18   in 1903   0   in 2022  
Season HDD   0   0   0   +0   18   in 1903   0   in 2022  
Cooling Degree Days   8   13   7   +1   18   in 1900   0   in 1994  
Month CDD   140   73   84   +56   149   in 1988   7   in 1964  
Year CDD   521   463   412   +109   599   in 2020   201   in 1902  
Maximum Dew Point   72   77   69   +3   77   in 2021   52   in 1974  
Minimum Dew Point   67   71   60   +7   73   in 1988   41   in 1968  
Average  Dew Point   70   74   65   +5   75   in 2016   50   in 1974  
 Month Avg Max Dew Point   75.6   70.0   69.0   +6.6   75.6   in 2022   58.0   in 1964  
Month Avg Min Dew Point   68.5   61.6   61.2   +7.3   69.3   in 2003   47.3   in 1964  
Month Average Dew Point   72.0   65.8   65.0   +7.0   72.0   in 2022   52.6   in 1964  
Precipitation   .09   .00   .12   -.03   2.14   in 1898            
One Hour   .05   .00           .61   in 2015            
Hourly Rate   .09   .00           3.24   in 2012            
Month Precipitation   .42   3.97   1.31   -.89   6.70   in 1952   T   in 2005  
Year Precipitation   23.83   26.80   26.96   -3.13   41.98   in 1998   15.63   in 1957  
Snow   #N/A   #N/A   0.0   #N/A       in         in    
Snow Depth   #N/A   #N/A               in         in    
Month Snow   0.0   0.0   0.0   +0.0       in         in    
Season Snow   #N/A   #N/A   #N/A   #N/A   #N/A   in #N/A   #N/A   in #N/A  
    August 11, 2022     Record Record
Observed Daily Data   2022   2021   Norm   Depart   Highest Lowest
Maximum Humidity   99%   99%   94%   +5%   100%   in 2017   81%   in 1967  
Minimum Humidity   87%   80%   62%   +25%   91%   in 1990   32%   in 2017  
Average Humidity   93%   90%   78%   +15%   96%   in 1990   60%   in 1974  
Maximum Barometer   29.99   30.08   30.03   -00.04   30.45   in 1940   29.66   in 1954  
Minimum Barometer   29.86   29.96   29.83   +00.03   30.13   in 1994   29.51   in 1992  
Average Barometer   29.93   30.02   29.93   -00.01   30.21   in 1989   29.62   in 1954  
Average Wind   2.5   9.2   5.5   -3.0   12.3   in 1971   2.4   in 2017  
Direction   SSE   SSW   SSW       SW         SSE        
High Wind Gust   11   28   20   -9   35   in 1986   10   in 1951  
Direction   S   WSW   SSW       WSW         SE        
Maximum Water Temp   72.1   73.2   72.3   -0.2   76.3   in 2018   68.3   in 2006  
Minimum Water Temp   71.4   69.8   68.8   +2.6   74.8   in 2018   63.7   in 2001  
Average Water Temp   71.8   71.5   70.6   +1.2   75.6   in 2018   66.4   in 2006  
Sunrise/ AM Twilight   5:49:44 AM   4:49:18 AM            
Sunset / PM Twilight   7:50:03 PM   8:52:33 PM            
Length Of Day   14:58:39                          
Special Conditions   Light Fog                              
Comments   Extreme  Drought  
Hour-by-Hour Weather For August 11, 2022            
Climate Weather for August 11            
Weather History For August 11            
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