Portsmouth Rhode Island Weather Almanac  
Tuesday, October 1, 2024  
Partly Cloudy and Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2024
    October 1, 2024   Record   Record  
Observed Daily Data   2024   2023   Norm   Depart   Highest   Lowest  
Maximum Temperature   73   68   68   +5   84   in 1927   51   in 1992  
Minimum Temperature   55   53   53   +2   67   in 1986   34   in 1992  
Average Temperature   64   61   60   +4   74   in 1986   43   in 1992  
 Month Avg Max Temperature   73.0   68.0   68.0   +5.0   84.0   in 1927   51.0   in 1992  
Month Avg Min Temperature   55.0   53.0   53.0   +2.0   67.0   in 1986   34.0   in 1992  
Month Average Temperature   64.0   61.0   60.0   +4.0   74.0   in 1986   43.0   in 1992  
High Heat Index                   86   in 1954            
Low Wind Chill                             34   in 1992  
Heating Degree Days   1   4   5   -4   22   in 1992   0   in 2020  
Month Heating DD   1   4   5   -4   22   in 1992   0   in 2020  
Season Heating DD   39   68   85   -46   222   in 1956   23   in 1921    
Cooling Degree Days   0   0   1   -1   9   in 1986   0   in 2024    
Month Cooling DD   0   0   1   -1   9   in 1986   0   in 2024    
Year Cooling DD   692   708   604   +88   868   in 2020   288   in 1902    
Maximum Dew Point   63   59   59   +4   71   in 2010   35   in 1992    
Minimum Dew Point   52   51   47   +5   64   in 1959   22   in 1992    
Average  Dew Point   58   55   53   +5   68   in 1959   29   in 1992  
 Month Avg Max Dew Point   63.0   59.0   59.0   +4.0   71.0   in 2010   35.0   in 1992  
Month Avg Min Dew Point   52.0   51.0   47.0   +5.0   64.0   in 1959   22.0   in 1992  
Month Average Dew Point   58.0   55.0   53.0   +5.0   67.5   in 1959   28.5   in 1992  
Precipitation   .00   .00   .14   -.14   1.93   in 1984            
One Hour Rain   .00   .00           .57   in 2006            
Half Hour Rain   .00   .00           .48   in 2006            
Hourly Rain Rate   .00   .00           4.57   in 2011            
Month Precipitation   .00   .00   .14   -.14   1.93   in 1984   .00   in 2024  
Year Precipitation   43.78   42.10   33.35   +10.43   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   45566   in              
Month Snow   #N/A   #N/A   #N/A   #N/A   #N/A   in #N/A   #N/A   in Many  
Season Snow                                      
    October 1, 2024     Record Record
Observed Daily Data   2024   2023   Norm   Depart   Highest Lowest
Maximum Humidity   99%   95%   93%   +6%   100%   in 2005   73%   in 1986  
Minimum Humidity   67%   64%   59%   +8%   96%   in 2014   23%   in 1953  
Average Humidity   83%   80%   76%   +7%   97%   in 2014   54%   in 1997  
Maximum Barometer   30.10   30.17   30.13   -00.03   30.55   in 2007   29.76   in 2011  
Minimum Barometer   30.04   30.11   29.90   +00.14   30.44   in 2007   29.24   in 1987  
Average Barometer   30.07   30.14   30.01   +00.06   30.50   in 2007   29.52   in 1987  
Average Wind   7.0   9.1   6.5   +0.5   14.2   in 1984   1.8   in 2005  
Direction   NE   N   S       NE         S        
High Wind Gust   21   23   22   -1   42   in 1958   10   in 2004  
Direction   ESE   N   S       SSW         NNW        
Maximum Water Temp   66.0   63.7   65.5   +0.5   68.3   in 2011   61.7   in 2001  
Minimum Water Temp   65.3   62.6   63.8   +1.5   67.4   in 2011   59.9   in 2001  
Average Water Temp   65.7   63.2   64.7   +1.0   67.8   in 2011   60.8   in 2001  
Sunrise/ AM Twilight   6:42:25 AM   6:14:58 AM            
Sunset / PM Twilight   6:25:53 PM   6:54:34 PM            
Length Of Day   11:43:28                          
Special Conditions   None                                  
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