Portsmouth Rhode Island Weather Almanac  
Wednesday, August 2, 2023  
Clear to Partly Cloudy PM, Cooler  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    August 2, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   76   84   80   -4   99   in 1975   64   in 1946  
Minimum Temperature   56   67   65   -9   77   in 2006   55   in 1985  
Average Temperature   66   76   72   -6   87   in 1975   60   in 1946  
 Month Avg Max Temperature   76.5   79.5   80.0   -3.5   95.0   in 1975   65.5   in 1946  
Month Avg Min Temperature   58.0   66.5   65.0   -7.0   74.5   in 2006   55.0   in 1953  
Month Average Temperature   67.5   73.5   72.0   -4.5   84.5   in 1975   62.0   in 1946  
High Heat Index   76   91   84   -8   113   in 1975            
Low Wind Chill                                      
Heating Degree Days   0   0   0   +0   5   in 1946   0   in 2023  
Month Heating DD   0   0   0   +0   6   in 1946   0   in 2023  
Season Heating DD   0   0   0   +0   6   in 1946   0   in 2023  
Cooling Degree Days   1   11   7   -6   22   in 1975   0   in 2014  
Month Cooling DD   5   17   16   -11   39   in 1975   0   in 1947  
Year Cooling DD   389   405   344   +45   487   in 2020   144   in 1902  
Maximum Dew Point   59   76   69   -10   79   in 2006   55   in 1959  
Minimum Dew Point   51   66   62   -11   72   in 2018   42   in 1959  
Average  Dew Point   55   71   65   -10   74   in 2018   49   in 1959  
 Month Avg Max Dew Point   60.5   73.5   69.0   -8.5   78.0   in 2006   59.0   in 1953  
Month Avg Min Dew Point   50.5   65.0   62.0   -11.5   71.5   in 1979   46.0   in 1987  
Month Average Dew Point   55.5   69.3   65.0   -9.5   73.3   in 1975   53.5   in 1964  
Precipitation   .00   .00   .12   -.12   2.50   in 1965            
One Hour Rain   .00   .00           1.06   in 1965            
Half Hour Rain   .00   .00           .74   in 2008            
Hourly Rain Rate   .00   .00           6.33   in 2008            
Month Precipitation   .00   .15   .23   -.23   2.50   in 1965   .00   in 2023  
Year Precipitation   30.25   23.56   25.88   +4.37   41.55   in 1998   14.33   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 2, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   94%   99%   93%   +1%   100%   in 2017   80%   in 1975  
Minimum Humidity   41%   74%   58%   -17%   87%   in 1973   29%   in 1951  
Average Humidity   68%   87%   75%   -8%   92%   in 1996   57%   in 1959  
Maximum Barometer   30.21   29.85   30.05   +00.16   30.43   in 1903   29.74   in 2011  
Minimum Barometer   30.15   29.77   29.86   +00.29   30.22   in 1998   29.52   in 1970  
Average Barometer   30.18   29.81   29.95   +00.23   30.27   in 1998   29.64   in 1970  
Average Wind   5.6   6.1   5.4   +0.2   10.3   in 1966   1.7   in 1996  
Direction   SSE   SW   SSW       SSW SSE
High Wind Gust   16   25   21   -5   43   in 1927   11   in 1982  
Direction   NW   WSW   SSW       NE SE
Maximum Water Temp   71.2   73.6   72.5   -1.3   79.1   in 2006   68.4   in 2020  
Minimum Water Temp   68.2   70.3   68.6   -0.4   71.4   in 2021   64.6   in 2004  
Average Water Temp   69.7   72.0   70.6   -0.9   74.4   in 2006   67.1   in 1996  
Sunrise/ AM Twilight   5:40:26 AM   4:42:42 AM            
Sunset / PM Twilight   8:01:37 PM   8:56:21 PM            
Length Of Day   14:21:11                          
Special Conditions   None                              
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