Portsmouth Rhode Island Weather Almanac  
Wednesday, October 2, 2024  
Mostly Cloudy early then Partly Lcloudy, Cooler  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2024
    October 2, 2024   Record   Record  
Observed Daily Data   2024   2023   Norm   Depart   Highest   Lowest  
Maximum Temperature   68   71   67   +1   84   in 1954   46   in 1899  
Minimum Temperature   52   50   52   +0   65   in 2002   35   in 1899  
Average Temperature   60   61   60   +0   75   in 1927   41   in 1899  
 Month Avg Max Temperature   70.5   69.5   67.5   +3.0   84.0   in 1927   49.0   in 1899  
Month Avg Min Temperature   53.5   51.5   52.5   +1.0   64.5   in 1927   35.0   in 1992  
Month Average Temperature   62.0   61.0   60.0   +2.0   74.5   in 1927   44.5   in 1899  
High Heat Index                   86   in 2019            
Low Wind Chill                             33   in 1899  
Heating Degree Days   5   4   5   +0   24   in 1899   0   in 2019  
Month Heating DD   6   8   10   -4   41   in 1899   0   in 2002  
Season Heating DD   44   72   90   -46   235   in 1956   23   in 1921    
Cooling Degree Days   0   0   1   -1   10   in 1927   0   in 2024    
Month Cooling DD   0   0   2   -2   19   in 1927   0   in 2024    
Year Cooling DD   692   708   605   +87   868   in 2020   290   in 1902    
Maximum Dew Point   58   58   59   -1   72   in 2019   42   in 1998    
Minimum Dew Point   48   47   47   +1   63   in 2002   31   in 1997    
Average  Dew Point   53   53   53   +0   66   in 2002   39   in 1998  
 Month Avg Max Dew Point   60.5   58.5   59.0   +1.5   68.0   in 2019   43.0   in 1992  
Month Avg Min Dew Point   50.0   49.0   47.0   +3.0   61.5   in 1954   27.0   in 1992  
Month Average Dew Point   55.5   54.0   53.0   +2.5   64.8   in 1954   35.0   in 1992  
Precipitation   .00   .00   .14   -.14   2.28   in 1929            
One Hour Rain   .00   .00           .33   in 1977            
Half Hour Rain   .00   .00           .17   in 2004            
Hourly Rain Rate   .00   .00           2.85   in 2004            
Month Precipitation   .00   .00   .28   -.28   2.51   in 1984   .00   in 2024  
Year Precipitation   43.78   42.10   33.49   +10.29   48.53   in 1998   17.64   in 1957  
Snow   0.0   0.0   0.0   +0.0   0.0   in 1900            
Snow Depth   0   0   0   +0   45567   in              
Month Snow   #N/A   #N/A   #N/A   #N/A   #N/A   in #N/A   #N/A   in Many  
Season Snow                                      
    October 2, 2024     Record Record
Observed Daily Data   2024   2023   Norm   Depart   Highest Lowest
Maximum Humidity   97%   97%   94%   +3%   100%   in 2018   69%   in 1998  
Minimum Humidity   64%   49%   60%   +4%   91%   in 2015   30%   in 1953  
Average Humidity   81%   73%   77%   +4%   96%   in 1989   50%   in 1953  
Maximum Barometer   30.05   30.19   30.12   -00.07   30.63   in 1949   29.65   in 1981  
Minimum Barometer   29.98   30.13   29.88   +00.10   30.46   in 1949   29.33   in 1981  
Average Barometer   30.02   30.16   30.00   +00.02   30.55   in 1949   29.49   in 1981  
Average Wind   5.6   7.0   6.1   -0.5   16.8   in 2022   1.2   in 1961  
Direction   NE   N   W       NE         SE        
High Wind Gust   16   23   21   -5   44   in 1984   10   in 1961  
Direction   SE   N   NNE       NE         S        
Maximum Water Temp   66.0   64.8   65.5   +0.5   69.5   in 2002   61.3   in 1997  
Minimum Water Temp   64.9   63.5   63.5   +1.4   67.1   in 2011   58.5   in 1997  
Average Water Temp   65.5   64.2   64.5   +0.9   68.3   in 2002   59.9   in 1997  
Sunrise/ AM Twilight   6:43:29 AM   6:16:01 AM            
Sunset / PM Twilight   6:24:12 PM   6:52:53 PM            
Length Of Day   11:40:43                          
Special Conditions   None                                  
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