Portsmouth Rhode Island Weather Almanac  
Wednesday, August 31, 2022  
Cloudy, Very Heavy Rain, Thunderstorm and Muggy early then Clear, less Humid and Cooler  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2022
    August 31, 2022   Record   Record  
Observed Daily Data   2022   2021   Norm   Depart   Highest   Lowest  
Maximum Temperature   84   83   77   +7   93   in 1973   62   in 1903  
Minimum Temperature   63   69   62   +1   72   in 2005   41   in 1965  
Average Temperature   74   76   70   +4   82   in 1973   53   in 1965  
 Month Avg Max Temperature   83.3   81.5   78.6   +4.7   83.3   in 2022   73.0   in 1903  
Month Avg Min Temperature   66.9   66.9   63.7   +3.2   68.0   in 2018   57.6   in 1964  
Month Average Temperature   75.4   74.5   71.2   +4.2   75.4   in 2022   66.1   in 1964  
High Heat Index   87   85   79   +8   104   in 1973            
Low Wind Chill                             37   in 1965  
Heating Degree Days   0   0   1   -1   12   in 1965   0   in 2022  
Month HDD   0   0   4   -4   38   in 1905   0   in 2022  
Season HDD   0   0   4   -4   38   in 1905   0   in 2022  
Cooling Degree Days   9   11   5   +4   17   in 1973   0   in 2009  
Month CDD   323   293   209   +114   323   in 2022   61   in 1964  
Year CDD   704   683   537   +167   766   in 2020   253   in 1902  
Maximum Dew Point   75   72   66   +9   75   in 2022   49   in 1965  
Minimum Dew Point   57   63   57   +0   72   in 2005   33   in 1965  
Average  Dew Point   66   68   61   +5   73   in 2005   41   in 1965  
 Month Avg Max Dew Point   71.7   72.5   67.9   +3.8   72.5   in 2021   60.8   in 1964  
Month Avg Min Dew Point   63.5   64.1   59.6   +3.8   65.0   in 2018   50.8   in 1964  
Month Average Dew Point   67.6   68.3   63.7   +3.9   68.6   in 2018   55.8   in 1964  
Precipitation   .91   .00   .11   +.80   2.60   in 1954            
One Hour   .83   .00           .83   in 2022            
Hourly Rate   10.67   .00           10.67   in 2022            
Month Precipitation   2.01   6.27   3.63   -1.62   11.81   in 1985   .33   in 1993  
Year Precipitation   25.42   29.10   29.28   -3.86   45.30   in 1998   16.54   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 31, 2022     Record Record
Observed Daily Data   2022   2021   Norm   Depart   Highest Lowest
Maximum Humidity   99%   98%   93%   +6%   100%   in 2004   62%   in 1953  
Minimum Humidity   56%   56%   58%   -2%   90%   in 1950   31%   in 1968  
Average Humidity   78%   77%   76%   +2%   95%   in 1950   50%   in 1953  
Maximum Barometer   29.82   29.78   30.10   -00.28   30.54   in 2002   29.78   in 2021  
Minimum Barometer   29.71   29.73   29.89   -00.18   30.29   in 2002   28.65   in 1954  
Average Barometer   29.77   29.76   29.99   -00.23   30.42   in 2002   29.26   in 1954  
Average Wind   5.1   4.0   6.1   -1.0   27.5   in 1954   1.3   in 1990  
Direction   SSW   NW   SSW       SW         SW        
High Wind Gust   25   17   22   +3   109   in 1954   11   in 1950  
Direction   SSW   NW   SSW       ESE         SE        
Maximum Water Temp   74.8   76.3   71.1   +3.7   76.3   in 2021   66.9   in 2003  
Minimum Water Temp   73.2   73.9   68.7   +4.5   73.9   in 2021   63.5   in 2020  
Average Water Temp   74.0   75.1   69.9   +4.1   75.1   in 2021   65.6   in 2003  
Sunrise/ AM Twilight   6:10:09 AM   5:09:04 AM            
Sunset / PM Twilight   7:19:45 PM   8:34:07 PM            
Length Of Day   14:24:53                          
Special Conditions   Dense Fog, Heavy Thunderstorm  
Comments   Severe  Drought  
Hour-by-Hour Weather For August 31, 2022            
Climate Weather for August 31            
Weather History For August 31            
Weather Calendar            
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