Portsmouth Rhode Island Weather Almanac
Friday, October 16, 2020
Mostly Cloudy early then Cloudy Heavy PM Rain, Foggy, Windy, Continued Warm
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2020  
    October 16, 2020     Record Record
Observed Daily Data   Observed   2019   Normal   Depart   Highest Lowest
Maximum Temperature   69   62   61   +8   82   in 1897   43   in 2009  
Minimum Temperature   52   44   46   +6   62   in 2014   32   in 1978  
Average Temperature   61   53   54   +7   72   in 1897   41   in 2009  
Precipitation   .31   1.10   .13   +.18   1.79   in 1955            
One Hour   .27   .44           .44   in 2019            
Snow   0.0   0.0   0.0   +0.0   0.0   in              
Snow Depth   0   0           0   in              
HDD   4   12   11   -7   24   in 2009   0   in 2014  
CDD   0   0   0   +0   7   in 1897   0   in    
Maximum Dew Point   65   60   51   +14   68   in 2014   30   in 1961  
Minimum Dew Point   51   41   39   +12   61   in 2014   25   in 1994  
Average  Dew Point   58   51   45   +13   65   in 2014   28   in 1961  
Maximum Humidity   96%   96%   91%   +5%   100%   in 2014   61%   in 1963  
Minimum Humidity   87%   59%   55%   +32%   94%   in 2014   18%   in 1963  
Average Humidity   92%   78%   73%   +19%   97%   in 2014   40%   in 1963  
Maximum Barometer   30.09   30.11   30.10   -00.01   30.58   in 1950   29.46   in 2005  
Minimum Barometer   30.01   29.15   29.84   +00.17   30.28   in 1950   29.15   in 2019  
Average Barometer   30.05   29.63   29.97   +00.08   30.43   in 1950   29.41   in 2005  
Average Wind   9.8   10.4   7.4   +2.4   15.5   in 2002   1.9   in 2006  
Direction   S   E   WNW       ENE         WNW        
High Wind Gust   29   43   25   +4   59   in 1954   12   in 2006  
Direction   S   ESE   NW       SE         SSW        
High Heat Index                   79   in 1956            
Wind Chill       44                     32   in 2009  
Maximum Water Temp   63.9   60.6   61.8   +2.1   65.3   in 2014   57.8   in 2009  
Minimum Water Temp   63.1   58.9   60.0   +3.1   64.4   in 2014   54.6   in 2009  
Average Water Temp   63.5   59.8   60.9   +2.6   64.9   in 2014   56.2   in 2009  
Sunrise/ AM Twilight   6:59:50 AM   6:31:56 AM            
Sunset / PM Twilight   6:01:13 PM   6:29:07 PM            
Length Of Day   11:01:23                          
Special Conditions   Fog                                  
Comments      
    October 16, 2020     Record Record
Month-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
 Avg Maximum Temperature   66.8   63.7   64.3   +2.6   72.1   in 1990   55.8   in 1896  
Avg Minimum Temperature   51.4   50.4   48.8   +2.6   55.4   in 2017   39.6   in 1981  
Average Temperature   59.4   57.3   56.4   +3.0   63.8   in 1990   49.8   in 1981  
Total Precipitation   2.04   2.37   1.97   +.07   8.11   in 2005   .01   in 1963  
Total Snow   0.0   0.0   0.0   +0.0   0.7   in 1979   0.0   in    
Total HDD   90   131   138   -48   244   in 1981   44   in 1990  
Total CDD   1   8   5   -4   48   in 1954   0   in 2016  
Avg Maximum Dew Point   58.1   57.0   54.0   +4.1   63.1   in 2018   43.6   in 1981  
Avg Minimum Dew Point   45.8   45.4   42.7   +3.2   53.3   in 2005   32.5   in 1981  
Average  Dew Point   52.3   51.6   48.3   +3.9   57.5   in 2005   38.0   in 1981  
    October 16, 2020     Record Record
Year-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
Total Precipitation   27.30   41.77   37.48   -10.18   51.27   in 1998   18.73   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)   146   174   227   -81   404   in 1956   100   in 1961  
Total CDD (since Jan 1)   868   731   563   +305   868   in 2020   290   in 1902  
                             
Hour-by-Hour Weather For October 16, 2020  
Climate Weather for October 16  
Weather History For October 16  
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