Portsmouth Rhode Island Weather Almanac
Sunday, October 25, 2020
Partly Cloudy to Cloudy PM, Much Cooler
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2020  
    October 25, 2020     Record Record
Observed Daily Data   Observed   2019   Normal   Depart   Highest Lowest
Maximum Temperature   55   64   58   -3   72   in 1893   46   in 1930  
Minimum Temperature   42   46   43   -1   60   in 1913   29   in 2003  
Average Temperature   49   55   50   -1   65   in 1913   40   in 1962  
Precipitation   T   .00   .13   .00   1.72   in 1953            
One Hour   T   .00           .42   in 1951            
Snow   0.0   0.0   0.0   +0.0   T   in 1962            
Snow Depth   0   0           0   in              
HDD   16   10   14   +2   25   in 1962   0   in 1913  
CDD   0   0   0   +0   0   in     0   in    
Maximum Dew Point   44   54   48   -4   67   in 2017   31   in 1969  
Minimum Dew Point   34   43   35   -1   58   in 2017   17   in 1955  
Average  Dew Point   39   49   42   -3   63   in 2017   27   in 1969  
Maximum Humidity   79%   91%   90%   -11%   100%   in 2017   67%   in 1952  
Minimum Humidity   63%   48%   55%   +8%   93%   in 1975   30%   in 1955  
Average Humidity   71%   70%   73%   -2%   96%   in 2017   52%   in 1952  
Maximum Barometer   30.38   30.32   30.13   +00.25   30.62   in 1956   29.47   in 1959  
Minimum Barometer   30.02   30.16   29.86   +00.16   30.36   in 2003   29.00   in 1925  
Average Barometer   30.20   30.24   29.99   +00.21   30.43   in 2003   29.39   in 1959  
Average Wind   7.3   3.8   7.6   -0.3   15.1   in 2005   1.6   in 2012  
Direction   ENE   W   W       NNE         SE        
High Wind Gust   21   16   24   -3   72   in 1925   11   in 1998  
Direction   ENE   S   NW       W         WNW        
High Heat Index                       in              
Wind Chill   37                         27   in 2003  
Maximum Water Temp   62.6   58.6   59.0   +3.6   63.6   in 2017   53.4   in 2018  
Minimum Water Temp   60.1   57.4   57.3   +2.8   63.0   in 2017   50.9   in 2018  
Average Water Temp   61.4   58.0   58.2   +3.2   63.3   in 2017   52.2   in 2018  
Sunrise/ AM Twilight   7:10:14 AM   6:41:54 AM            
Sunset / PM Twilight   5:48:08 PM   6:16:27 PM            
Length Of Day   10:37:54                          
Special Conditions   None                                  
Comments      
    October 25, 2020     Record Record
Month-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
 Avg Maximum Temperature   65.9   63.5   62.6   +3.3   69.4   in 1990   55.2   in 1896  
Avg Minimum Temperature   50.6   48.9   47.0   +3.6   54.4   in 2017   40.1   in 1981  
Average Temperature   58.6   56.4   54.8   +3.8   62.0   in 2017   49.4   in 1896  
Total Precipitation   3.65   4.00   3.14   +.51   9.91   in 2005   .01   in 1963  
Total Snow   0.0   0.0   0.0   +0.0   0.7   in 1979   0.0   in    
Total HDD   164   222   255   -91   391   in 1896   99   in 2017  
Total CDD   4   8   5   -1   48   in 1954   0   in 2015  
Avg Maximum Dew Point   57.5   55.6   52.3   +5.2   60.4   in 2007   42.7   in 1974  
Avg Minimum Dew Point   45.7   44.1   40.7   +5.0   50.1   in 2017   30.8   in 1974  
Average  Dew Point   51.8   50.2   46.5   +5.3   55.2   in 2017   36.7   in 1974  
    October 25, 2020     Record Record
Year-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
Total Precipitation   28.91   43.40   38.65   -9.74   51.27   in 1998   20.15   in 1957  
Total Snow (since Jul 1 20)   0.0   0.0   0.0   +0.0   0.7   in 1979   0.0   in    
Total HDD (since Jul 1 20)   220   265   344   -124   505   in 1956   150   in 1920  
Total CDD (since Jan 1)   871   731   563   +308   871   in 2020   290   in 1902  
                             
Hour-by-Hour Weather For October 25, 2020  
Climate Weather for October 25  
Weather History For October 25  
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