Portsmouth Rhode Island Weather Almanac
Thursday, October 31, 2019
Cloudy, Morning Rain, Foggy, Very Windy and Very Warm
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2019  
    October 31, 2019     Record Record
Observed Daily Data   Observed   2018   Normal   Depart   Highest Lowest
Maximum Temperature   68   58   56   +12   76   in 1946   42   in 1925  
Minimum Temperature   61   32   41   +20   61   in 2019   26   in 1966  
Average Temperature   65   45   49   +16   67   in 1946   36   in 1925  
Precipitation   .24   .00   .14   +.10   2.76   in 1939            
One Hour   .09   .00           .71   in 1989            
Snow   0.0   0.0   0.0   +0.0   0.0   in              
Snow Depth   0   0           T   in 1925            
HDD   0   20   16   -16   29   in 1925   0   in 2019  
CDD   0   0   0   +0   2   in 1946            
Maximum Dew Point   65   54   46   +19   65   in 2019   22   in 1975  
Minimum Dew Point   60   30   33   +27   60   in 2019   15   in 1975  
Average  Dew Point   63   42   39   +24   63   in 2019   19   in 1975  
Maximum Humidity   97%   94%   89%   +8%   100%   in 2004   59%   in 1964  
Minimum Humidity   91%   63%   56%   +35%   95%   in 1993   23%   in 1950  
Average Humidity   94%   79%   72%   +22%   98%   in 1993   45%   in 1952  
Maximum Barometer   30.13   30.18   30.18   -00.05   30.84   in 1986   29.58   in 2012  
Minimum Barometer   29.69   29.93   29.92   -00.23   30.48   in 1981   29.22   in 1973  
Average Barometer   29.91   30.06   30.05   -00.14   30.64   in 1986   29.45   in 1973  
Average Wind   15.4   5.7   6.9   +8.5   16.1   in 1991   2.3   in 2011  
Direction   S   SSE   N       NNE         SE        
High Wind Gust   37   21   24   +13   50   in 1991   11   in 1970  
Direction   S   SW   N       NNE         W        
High Heat Index                   78   in 1946            
Wind Chill       31                     25   in 1975  
Maximum Water Temp   60.5   52.5   57.1   +3.4   60.5   in 2017   52.5   in 2018  
Minimum Water Temp   57.2   50.5   55.3   +1.9   58.8   in 2012   50.5   in 2018  
Average Water Temp   57.9   51.5   56.2   +1.7   59.6   in 2012   51.5   in 2018  
Sunrise/ AM Twilight   7:16:45 AM   6:48:06 AM            
Sunset / PM Twilight   5:40:55 PM   6:09:34 PM            
Length Of Day   10:24:10                          
Special Conditions   Fog, Haze                              
Comments      
    October 31, 2019     Record Record
Month-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
 Avg Maximum Temperature   63.2   61.2   61.5   +1.6   68.0   in 2017   56.1   in 1925  
Avg Minimum Temperature   49.4   47.1   46.0   +3.5   53.4   in 2017   40.6   in 1895  
Average Temperature   56.3   54.1   53.7   +2.5   60.7   in 2017   48.9   in 1895  
Total Precipitation   6.97   5.46   3.93   +3.04   10.20   in 2005   .28   in 1924  
Total Snow   0.0   0.0   0.0   +0.0   0.7   in 1979   0.0   in    
Total HDD   269   348   346   -77   486   in 1895   151   in 2017  
Total CDD   8   17   5   +3   48   in 1954   0   in 2015  
Avg Maximum Dew Point   56.0   55.0   51.3   +4.7   59.1   in 2017   43.7   in 1974  
Avg Minimum Dew Point   45.0   41.7   39.3   +5.7   48.5   in 2017   30.8   in 1974  
Average  Dew Point   50.5   48.3   45.3   +5.2   53.8   in 2017   37.2   in 1974  
    October 31, 2019     Record Record
Year-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
Total Precipitation   46.37   40.79   39.31   +7.06   52.05   in 1998   20.16   in 1957  
Total Snow (since Jul 1 19)   0.0   0.0   0.0   +0.0   0.7   in 1979   0.0   in    
Total HDD (since Jul 1 19)   312   396   435   -123   591   in 1956   205   in 2017  
Total CDD (since Jan 1)   731   775   563   +168   807   in 2016   290   in 1902  
                             
Hour-by-Hour Weather For October 31, 2019
Climate Weather for October 31
Weather History For October 31
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