Portsmouth Rhode Island Weather Almanac  
Tuesday, August 22, 2023  
Mostly Cloudy early then Clear, Windy and Dry, Much Cooler  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    August 22, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   77   75   78   -1   90   in 1976   66   in 1999  
Minimum Temperature   61   68   63   -2   74   in 2009   47   in 1982  
Average Temperature   69   72   71   -2   80   in 2019   58   in 1982  
 Month Avg Max Temperature   78.8   83.0   79.0   -0.2   84.1   in 1937   72.7   in 1964  
Month Avg Min Temperature   64.1   66.9   64.2   -0.1   69.4   in 2018   56.2   in 1964  
Month Average Temperature   71.7   75.2   71.6   +0.1   76.4   in 1937   64.8   in 1964  
High Heat Index   77   79   79   -2   103   in 1976            
Low Wind Chill                             45   in 1895  
Heating Degree Days   0   0   0   +0   7   in 1982   0   in 2023  
Month Heating DD   0   0   0   +0   26   in 1964   0   in 2023  
Season Heating DD   0   0   0   +0   26   in 1964   0   in 2023  
Cooling Degree Days   4   7   5   -1   15   in 2019   0   in 2007  
Month Cooling DD   148   225   157   -9   251   in 1937   21   in 1964  
Year Cooling DD   532   613   485   +47   694   in 2020   214   in 1902  
Maximum Dew Point   69   73   67   +2   78   in 1976   45   in 1988  
Minimum Dew Point   52   68   59   -7   72   in 2009   36   in 1982  
Average  Dew Point   61   71   63   -2   74   in 2019   41   in 1988  
 Month Avg Max Dew Point   69.2   70.9   68.5   +0.7   73.2   in 2018   58.5   in 1964  
Month Avg Min Dew Point   59.5   63.3   60.3   -0.8   66.9   in 2003   47.8   in 1964  
Month Average Dew Point   64.4   67.1   64.4   +0.0   70.0   in 2018   53.1   in 1964  
Precipitation   .00   .17   .12   -.12   2.21   in 1908            
One Hour Rain   .00   .07           .87   in 1977            
Half Hour Rain   .00   .06           .57   in 2019            
Hourly Rain Rate   .00   1.14           5.94   in 2019            
Month Precipitation   4.15   .79   2.63   +1.52   9.62   in 1946   .16   in 1993  
Year Precipitation   34.40   24.20   28.28   +6.12   43.94   in 1983   15.70   in 1957  
Snow                                      
Snow Depth                                      
Month Snow                                      
Season Snow   0.0   0.0   0.0   +0.0   0.0   in 1996   0.0   in 1998  
    August 22, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   95%   99%   94%   +1%   100%   in 2018   67%   in 1982  
Minimum Humidity   43%   94%   58%   -15%   94%   in 2022   34%   in 2005  
Average Humidity   69%   97%   76%   -7%   97%   in 2022   54%   in 1982  
Maximum Barometer   30.08   30.07   30.07   +00.01   30.49   in 1957   29.78   in 1994  
Minimum Barometer   29.97   29.86   29.87   +00.10   30.30   in 1957   29.54   in 2021  
Average Barometer   30.03   29.97   29.97   +00.06   30.40   in 1957   29.70   in 1971  
Average Wind   9.9   2.0   5.5   +4.4   13.3   in 2021   2.0   in 2022  
Direction   N   E   SSW       S E
High Wind Gust   27   9   20   +7   42   in 2021   9   in 2022  
Direction   ENE   S   SW       E S
Maximum Water Temp   71.1   74.5   71.3   -0.2   76.6   in 2003   66.7   in 2020  
Minimum Water Temp   66.9   72.1   68.6   -1.7   72.4   in 2015   64.2   in 2020  
Average Water Temp   69.0   73.3   70.0   -1.0   73.5   in 2015   65.5   in 2020  
Sunrise/ AM Twilight   6:00:44 AM   4:59:34 AM            
Sunset / PM Twilight   7:34:29 PM   8:43:57 PM            
Length Of Day   13:33:45                          
Special Conditions   None                              
Comments      
Hour-by-Hour Weather For August 22, 2023            
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