Portsmouth Rhode Island Weather Almanac
Thursday, October 17, 2019
Cloudy, Heavy Rain and Very Windy early, Mostly Cloudy Day to Partly Cloudy PM, Warmer and Continued Gusty Winds
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2019  
    October 17, 2019     Record Record
Observed Daily Data   Observed   2018   Normal   Depart   Highest Lowest
Maximum Temperature   61   61   61   +0   83   in 1938   50   in 2009  
Minimum Temperature   50   43   45   +5   62   in 1928   32   in 1937  
Average Temperature   56   52   53   +3   69   in 1938   42   in 1937  
Precipitation   .99   .00   .13   +.86   1.93   in 1914            
One Hour   .65   .00           .65   in 2019            
Snow   0.0   0.0   0.0   +0.0   0.0   in              
Snow Depth   0   0               in            
HDD   9   13   12   -3   23   in 1937   0   in 2016  
CDD   0   0   0   +0   4   in 1938            
Maximum Dew Point   60   45   51   +9   65   in 2016   32   in 1978  
Minimum Dew Point   44   33   39   +5   57   in 2014   20   in 1970  
Average  Dew Point   52   39   45   +7   61   in 2016   28   in 1978  
Maximum Humidity   96%   83%   91%   +5%   100%   in 2001   68%   in 1982  
Minimum Humidity   61%   50%   55%   +6%   98%   in 1993   28%   in 1953  
Average Humidity   79%   67%   73%   +6%   99%   in 1993   54%   in 1954  
Maximum Barometer   29.47   30.04   30.11   -00.64   30.68   in 1985   29.47   in 2019  
Minimum Barometer   28.88   29.79   29.86   -00.98   30.27   in 1998   28.88   in 2019  
Average Barometer   29.18   29.92   29.98   -00.81   30.46   in 1985   29.18   in 2019  
Average Wind   13.1   9.5   6.9   +6.2   14.3   in 1977   1.6   in 1960  
Direction   W   W   W       SW         N        
High Wind Gust   48   30   23   +25   77   in 1908   11   in 1960  
Direction   ESE   W   W       SE         N        
High Heat Index                   85   in 1938            
Wind Chill   45   38                     30   in 1978  
Maximum Water Temp   64.8   59.7   61.2   +3.6   64.8   in 2014   56.9   in 2009  
Minimum Water Temp   58.9   57.6   59.4   -0.5   64.1   in 2014   54.6   in 2010  
Average Water Temp   59.7   58.7   60.3   -0.7   64.5   in 2014   55.8   in 2009  
Sunrise/ AM Twilight   7:00:23 AM   6:32:28 AM            
Sunset / PM Twilight   6:00:29 PM   6:28:24 PM            
Length Of Day   11:00:06                          
Special Conditions   Fog                                  
Comments      
    October 17, 2019     Record Record
Month-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
 Avg Maximum Temperature   63.5   67.1   64.1   -0.5   71.9   in 1990   55.7   in 1896  
Avg Minimum Temperature   50.4   53.7   48.5   +1.9   55.1   in 2005   39.8   in 1981  
Average Temperature   57.0   60.4   56.2   +0.7   63.0   in 1990   49.7   in 1981  
Total Precipitation   3.36   3.59   2.10   +1.26   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   140   92   150   -10   256   in 1981   54   in 1990  
Total CDD   8   17   5   +3   48   in 1954   0   in 2015  
Avg Maximum Dew Point   57.2   62.1   53.8   +3.4   62.1   in 2018   43.2   in 1981  
Avg Minimum Dew Point   45.4   49.6   42.4   +2.9   52.6   in 2005   32.1   in 1981  
Average  Dew Point   51.3   55.8   48.1   +3.1   56.7   in 2005   37.6   in 1981  
    October 17, 2019     Record Record
Year-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
Total Precipitation   42.76   38.92   37.48   +5.28   51.27   in 1998   18.73   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)   183   140   239   -56   408   in 1956   108   in 2011  
Total CDD (since Jan 1)   731   775   563   +168   799   in 2016   290   in 1902  
                             
Hour-by-Hour Weather For October 17, 2019
Climate Weather for October 17
Weather History For October 17
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