Portsmouth Rhode Island Weather Almanac  
Thursday, October 24, 2024  
Partly Cloudy, Dense fog early, Breezy and Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2024
    October 24, 2024   Record   Record  
Observed Daily Data   2024   2023   Norm   Depart   Highest   Lowest  
Maximum Temperature   73   61   59   +14   73   in 2024   46   in 2003  
Minimum Temperature   57   44   45   +12   64   in 2017   26   in 1969  
Average Temperature   65   53   52   +13   68   in 2017   38   in 1969  
 Month Avg Max Temperature   67.1   65.5   63.1   +4.0   70.0   in 1990   55.5   in 1896  
Month Avg Min Temperature   48.8   50.4   48.5   +0.2   54.3   in 2007   40.3   in 1981  
Month Average Temperature   58.2   58.2   56.0   +2.2   62.0   in 2017   49.7   in 1896  
High Heat Index                   74   in 1900            
Low Wind Chill       43                     21   in 1969  
Heating Degree Days   0   12   13   -13   27   in 1969   0   in 2024  
Month Heating DD   166   177   216   -50   367   in 1896   93   in 2021  
Season Heating DD   204   241   296   -92   483   in 1956   118   in 2021    
Cooling Degree Days   0   0   0   +0   3   in 2017   0   in 2024    
Month Cooling DD   3   13   6   -3   48   in 1954   0   in 2015    
Year Cooling DD   695   721   609   +86   871   in 2020   290   in 1902    
Maximum Dew Point   60   54   50   +10   67   in 1990   26   in 1969    
Minimum Dew Point   44   41   38   +6   62   in 2001   15   in 1969    
Average  Dew Point   52   48   44   +8   64   in 2017   21   in 1969  
 Month Avg Max Dew Point   54.9   57.0   54.4   +0.5   60.8   in 2007   42.4   in 1974  
Month Avg Min Dew Point   43.7   47.6   42.5   +1.3   50.3   in 2021   30.7   in 1974  
Month Average Dew Point   49.6   52.6   48.4   +1.2   55.4   in 2007   36.5   in 1974  
Precipitation   .00   .00   .13   -.13   2.17   in 1938            
One Hour Rain   .00   .00           .37   in 1983            
Half Hour Rain   .00   .00         .19   in 2009            
Hourly Rain Rate   .00   .00           4.97   in 2009            
Month Precipitation   .73   3.35   3.31   -2.58   8.87   in 2005   .01   in 1963  
Year Precipitation   44.51   45.45   36.52   +7.99   51.27   in 1998   20.15   in 1957  
Snow                       in              
Snow Depth                       in              
Month Snow                   0.7   in 1979            
Season Snow                   0.7   in 1979            
    October 24, 2024     Record Record
Observed Daily Data   2024   2023   Norm   Depart   Highest Lowest
Maximum Humidity   99%   93%   91%   +9%   100%   in 2001   61%   in 1952  
Minimum Humidity   60%   67%   58%   +2%   99%   in 2022   27%   in 1974  
Average Humidity   80%   80%   74%   +5%   99%   in 2022   46%   in 1952  
Maximum Barometer   29.99   30.39   30.15   -00.16   30.66   in 1980   29.52   in 1960  
Minimum Barometer   29.81   30.26   29.90   -00.09   30.39   in 2008   29.21   in 1960  
Average Barometer   29.90   30.33   30.02   -00.12   30.48   in 2008   29.37   in 1960  
Average Wind   8.4   5.4   7.0   +1.4   17.3   in 1955   1.9   in 1991  
Direction   N   SSW   WNW       SSW         S        
High Wind Gust   26   17   23   +3   53   in 1955   10   in 1966  
Direction   NNW   S   N       SSW         N        
Maximum Water Temp   62.8   61.0   59.7   +3.1   64.1   in 2017   54.0   in 2010  
Minimum Water Temp   61.7   59.2   57.8   +3.9   62.6   in 2020   52.5   in 2018  
Average Water Temp   62.3   60.1   58.8   +3.5   63.4   in 2017   53.4   in 2010  
Sunrise/ AM Twilight   7:08:01 AM   6:39:46 AM            
Sunset / PM Twilight   5:49:43 PM   6:19:01 PM            
Length Of Day   10:41:42                          
Special Conditions   Dense Fog  
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