Portsmouth Rhode Island Weather Almanac  
Thursday, August 3, 2023  
Clear early to Partly Cloudy PM, Continued Cool  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    August 3, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   77   87   80   -3   94   in 1975   67   in 1950  
Minimum Temperature   59   71   65   -6   75   in 2020   52   in 1964  
Average Temperature   68   79   72   -4   83   in 2006   60   in 1964  
 Month Avg Max Temperature   76.7   82.0   80.0   -3.3   94.7   in 1975   69.3   in 1921  
Month Avg Min Temperature   58.3   68.0   65.0   -6.7   73.7   in 2006   54.3   in 1953  
Month Average Temperature   67.7   75.3   72.0   -4.3   84.0   in 1975   63.7   in 1946  
High Heat Index   77   93   83   -6   108   in 2006            
Low Wind Chill                             49   in 1964  
Heating Degree Days   0   0   0   +0   5   in 1964   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   3   14   8   -5   18   in 2006   0   in 1985  
Month Cooling DD   8   31   24   -16   57   in 1975   1   in 1953  
Year Cooling DD   392   419   352   +40   504   in 2020   153   in 1902  
Maximum Dew Point   64   72   69   -5   78   in 2006   51   in 1959  
Minimum Dew Point   55   65   62   -7   72   in 2018   43   in 1956  
Average  Dew Point   60   69   65   -5   74   in 2018   47   in 1956  
 Month Avg Max Dew Point   61.7   73.0   69.0   -7.3   78.0   in 2006   57.3   in 1953  
Month Avg Min Dew Point   52.0   65.0   62.0   -10.0   71.0   in 1979   47.0   in 1964  
Month Average Dew Point   56.8   69.0   65.0   -8.2   73.0   in 2006   52.3   in 1953  
Precipitation   .00   .00   .12   -.12   1.10   in 1944            
One Hour Rain   .00   .00           .45   in 1954            
Half Hour Rain   .00   .00           .06   in 2007            
Hourly Rain Rate   .00   .00           .66   in 2006            
Month Precipitation   .00   .15   .35   -.35   2.60   in 1965   .00   in 2023  
Year Precipitation   30.25   23.56   26.00   +4.25   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 3, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   90%   96%   94%   -4%   100%   in 2004   71%   in 1956  
Minimum Humidity   57%   60%   61%   -4%   93%   in 1987   31%   in 1956  
Average Humidity   74%   78%   77%   -4%   97%   in 1987   51%   in 1956  
Maximum Barometer   30.18   30.04   30.03   +00.15   30.35   in 1976   29.76   in 1957  
Minimum Barometer   30.03   29.85   29.86   +00.17   30.16   in 1998   29.55   in 1987  
Average Barometer   30.11   29.95   29.95   +00.16   30.21   in 1998   29.70   in 1980  
Average Wind   6.7   6.3   5.5   +1.2   11.8   in 1974   1.4   in 1996  
Direction   SW   SSW   SSW       SW SSW
High Wind Gust   23   19   20   +3   35   in 1957   9   in 2021  
Direction   S   NNE   SW       SW S
Maximum Water Temp   71.4   73.8   72.7   -1.3   80.9   in 2006   68.2   in 1996  
Minimum Water Temp   69.1   70.2   69.1   -0.0   72.2   in 2013   65.2   in 2004  
Average Water Temp   70.3   72.0   70.9   -0.7   74.4   in 2006   66.9   in 2020  
Sunrise/ AM Twilight   5:41:26 AM   4:43:20 AM            
Sunset / PM Twilight   8:00:28 PM   8:56:05 PM            
Length Of Day   14:19:02                          
Special Conditions   None                              
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