Portsmouth Rhode Island Weather Almanac  
Friday, June 2, 2023  
Clear to Mostly Cloudy PM, Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    June 2, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   78   72   70   +8   92   in 1895   48   in 1907  
Minimum Temperature   59   57   53   +6   65   in 1895   44   in 1946  
Average Temperature   69   65   62   +7   79   in 1895   46   in 1907  
 Month Avg Max Temperature   77.0   69.5   70.0   +7.0   88.0   in 1895   51.5   in 2015  
Month Avg Min Temperature   55.5   56.0   53.0   +2.5   66.5   in 1895   43.5   in 1945  
Month Average Temperature   66.5   63.0   62.0   +4.5   77.5   in 1895   49.5   in 1907  
High Heat Index   78   72           95   in 1895            
Low Wind Chill                             36   in 1946  
Heating Degree Days   0   0   3   -3   19   in 1907   0   in 2023  
Month Heating DD   1   4   7   -6   31   in 1907   0   in 2018  
Season Heating DD   4723   4989   5435   -712   6546   in 1905   4372   in 1932  
Cooling Degree Days   4   0   1   +3   14   in 1895   0   in 2022  
Month Cooling DD   4   0   2   +2   25   in 1895   0   in 2022  
Year Cooling DD   13   23   13   +0   52   in 1991   0   in 2005  
Maximum Dew Point   64   63   59   +5   73   in 2018   44   in 1953  
Minimum Dew Point   56   52   49   +7   61   in 1999   35   in 1953  
Average  Dew Point   60   58   54   +6   65   in 1999   40   in 1953  
 Month Avg Max Dew Point   63.5   57.5   59.0   +4.5   69.5   in 2018   44.5   in 1953  
Month Avg Min Dew Point   53.5   50.0   48.5   +5.0   59.0   in 2006   36.0   in 1993  
Month Average Dew Point   58.5   53.8   53.5   +5.0   63.0   in 2018   40.5   in 1953  
Precipitation   .00   T   .11   -.11   1.89   in 1946            
One Hour Rain   .00   T           .88   in 1982            
Hourly Rain Rate   .00   .00           3.89   in 2006            
Month Precipitation   .00   T   .22   -.22   2.19   in 1984   .00   in 2023  
Year Precipitation   20.67   19.20   19.26   +1.41   35.86   in 1983   11.63   in 1905  
Snow                                      
Snow Depth                                      
Month Snow                                      
Season Snow   9.1   34.7   33.5   -24.4   84.1   in 1996   5.0   in 1998  
    June 2, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   98%   93%   92%   +6%   100%   in 2019   69%   in 1994  
Minimum Humidity   49%   75%   60%   -11%   91%   in 2015   30%   in 1953  
Average Humidity   74%   84%   76%   -2%   95%   in 1968   50%   in 1953  
Maximum Barometer   30.01   29.83   30.00   +00.01   30.44   in 1996   29.62   in 1984  
Minimum Barometer   29.85   29.74   29.80   +00.05   30.34   in 1996   29.27   in 1984  
Average Barometer   29.93   29.79   29.90   +00.03   30.39   in 1996   29.45   in 1984  
Average Wind   5.7   3.7   6.5   -0.8   15.8   in 1984   2.8   in 2006  
Direction   S   SSE   SSW       N SSE
High Wind Gust   18   14   23   -5   42   in 1984   14   in 2022  
Direction   S   S   SSW       N S
Maximum Water Temp   64.2   61.9   60.8   +3.4   68.4   in 2007   53.8   in 2020  
Minimum Water Temp   59.7   60.4   57.3   +2.4   61.5   in 2007   50.9   in 2020  
Average Water Temp   62.0   61.2   59.0   +2.9   64.9   in 2007   52.4   in 2020  
Sunrise/ AM Twilight   5:13:06 AM   4:39:32 AM            
Sunset / PM Twilight   8:13:22 PM   8:47:20 PM            
Length Of Day   15:00:16                          
Special Conditions   None                              
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