Portsmouth Rhode Island Weather Almanac  
Tuesday, August 8, 2023  
Mostly Cloudy, Record Breaking Heavy Rain Late Morning, Windy and Much Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    August 8, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   83   86   79   +4   92   in 1909   67   in 1903  
Minimum Temperature   70   73   65   +5   73   in 2022   51   in 1957  
Average Temperature   77   80   72   +5   80   in 2022   60   in 1903  
 Month Avg Max Temperature   78.5   85.1   79.6   -1.1   86.3   in 1980   70.6   in 1903  
Month Avg Min Temperature   63.3   71.0   65.0   -1.8   71.4   in 1988   56.0   in 1964  
Month Average Temperature   71.1   78.4   72.0   -0.9   78.4   in 2022   64.4   in 1903  
High Heat Index   89   97   82   +7   101   in 1909            
Low Wind Chill                                 in #N/A  
Heating Degree Days   0   0   0   +0   5   in 1903   0   in 2023  
Month Heating DD   0   0   0   +0   16   in 1903   0   in 2023  
Season Heating DD   0   0   0   +0   16   in 1903   0   in 2023  
Cooling Degree Days   12   15   7   +5   15   in 2022   0   in 2004  
Month Cooling DD   49   107   63   -14   107   in 2022   6   in 1964  
Year Cooling DD   433   495   391   +42   559   in 2020   187   in 1902  
Maximum Dew Point   77   78   69   +8   78   in 2022   57   in 2009  
Minimum Dew Point   65   72   61   +4   72   in 2022   47   in 1989  
Average  Dew Point   71   75   65   +6   75   in 2022   54   in 2009  
 Month Avg Max Dew Point   67.3   75.8   69.0   -1.8   75.8   in 2022   58.3   in 1964  
Month Avg Min Dew Point   58.1   68.5   61.4   -3.3   69.1   in 2018   48.6   in 1964  
Month Average Dew Point   62.7   72.1   65.0   -2.3   72.1   in 2022   53.4   in 1964  
Precipitation   2.61   .00   .12   +2.49   2.61   in 2023            
One Hour Rain   2.45   .00           2.45   in 2023            
Half Hour Rain   2.45   .00           1.75   in 2023            
Hourly Rain Rate   8.00   .00           11.29   in 2011            
Month Precipitation   2.65   .15   .95   +1.70   6.40   in 1946   .00   in 1998  
Year Precipitation   32.90   23.56   26.60   +6.30   41.55   in 1998   14.69   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 8, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   99%   97%   93%   +6%   100%   in 2017   70%   in 1965  
Minimum Humidity   73%   76%   59%   +14%   98%   in 1976   36%   in 1957  
Average Humidity   86%   87%   76%   +10%   99%   in 1976   58%   in 1971  
Maximum Barometer   29.82   30.06   30.02   -00.20   30.41   in 1998   29.62   in 2011  
Minimum Barometer   29.52   29.90   29.84   -00.32   30.30   in 1998   29.46   in 2011  
Average Barometer   29.67   29.98   29.93   -00.26   30.36   in 1998   29.54   in 2011  
Average Wind   10.2   9.1   5.6   +4.6   11.6   in 1969   1.1   in 1997  
Direction   SSE   SSW   S       SW SW
High Wind Gust   29   31   21   +8   35   in 1956   9   in 1997  
Direction   S   SSW   SSW       WNW N
Maximum Water Temp   71.6   76.1   72.0   -0.4   76.1   in 2022   67.3   in 2017  
Minimum Water Temp   69.6   74.3   69.0   +0.6   74.3   in 2022   64.0   in 2001  
Average Water Temp   70.6   75.2   70.5   +0.1   75.2   in 2022   66.1   in 2017  
Sunrise/ AM Twilight   5:46:27 AM   4:46:53 AM            
Sunset / PM Twilight   7:54:20 PM   8:54:09 PM            
Length Of Day   14:07:53                          
Special Conditions   Fog, Strong Thunderstorms  
Comments   Record Breaking Heavy Rain   
Hour-by-Hour Weather For August 8, 2023            
Climate Weather for August 8            
Weather History For August 8            
Weather Calendar            
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