Portsmouth Rhode Island Weather Almanac
Friday, October 18, 2019
Partly Cloudy to Clear PM, Windy with Seasonal Temperatures
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2019  
    October 18, 2019     Record Record
Observed Daily Data   Observed   2018   Normal   Depart   Highest Lowest
Maximum Temperature   60   48   61   -1   77   in 1908   46   in 1939  
Minimum Temperature   47   39   45   +2   63   in 1928   29   in 1978  
Average Temperature   54   44   53   +1   68   in 2016   39   in 1939  
Precipitation   .00   .00   .13   -.13   3.38   in 1932            
One Hour   .00   .00           .43   in 1990            
Snow   0.0   0.0   0.0   +0.0   0.0   in              
Snow Depth   0   0               in            
HDD   11   21   12   -1   26   in 1939   0   in 2016  
CDD   0   0   0   +0   3   in 2016            
Maximum Dew Point   45   33   50   -5   67   in 2016   29   in 1972  
Minimum Dew Point   39   19   38   +1   60   in 2016   19   in 2018  
Average  Dew Point   42   26   44   -2   64   in 2016   26   in 2018  
Maximum Humidity   80%   63%   90%   -10%   100%   in 2016   62%   in 1958  
Minimum Humidity   53%   31%   54%   -1%   94%   in 1989   29%   in 1958  
Average Humidity   67%   47%   72%   -5%   96%   in 1989   46%   in 1958  
Maximum Barometer   29.94   30.33   30.13   -00.19   30.63   in 1985   29.57   in 1964  
Minimum Barometer   29.47   30.02   29.88   -00.41   30.25   in 1951   29.34   in 1903  
Average Barometer   29.71   30.18   30.00   -00.30   30.42   in 1985   29.53   in 1964  
Average Wind   11.6   13.1   7.3   +4.3   15.3   in 2009   2.2   in 1994  
Direction   NW   WNW   W       NNE         NW        
High Wind Gust   31   36   24   +7   43   in 1999   10   in 1994  
Direction   NNW   WNW   W       NNW         SSE        
High Heat Index                   78   in 1908            
Wind Chill   42   29                     26   in 2009  
Maximum Water Temp   64.9   58.1   61.0   +4.0   64.9   in 2014   56.7   in 2009  
Minimum Water Temp   58.7   55.0   59.1   -0.4   63.8   in 2014   53.6   in 2009  
Average Water Temp   59.3   56.6   60.1   -0.8   64.4   in 2014   55.2   in 2009  
Sunrise/ AM Twilight   7:01:31 AM   6:33:34 AM            
Sunset / PM Twilight   5:58:58 PM   6:26:56 PM            
Length Of Day   10:57:27                          
Special Conditions   None                                  
Comments      
    October 18, 2019     Record Record
Month-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
 Avg Maximum Temperature   63.3   66.1   63.9   -0.6   71.9   in 1990   55.6   in 1896  
Avg Minimum Temperature   50.2   52.9   48.3   +1.9   54.6   in 1990   39.6   in 1981  
Average Temperature   56.8   59.5   56.1   +0.7   63.3   in 1990   49.6   in 1981  
Total Precipitation   3.36   3.59   2.23   +1.13   8.13   in 2005   .01   in 1963  
Total Snow   0.0   0.0   0.0   +0.0   0.7   in 1979   0.0   in    
Total HDD   151   113   162   -11   273   in 1981   54   in 1990  
Total CDD   8   17   5   +3   48   in 1954   0   in 2015  
Avg Maximum Dew Point   56.5   60.4   53.6   +2.9   60.7   in 1990   44.1   in 1981  
Avg Minimum Dew Point   45.0   47.9   42.2   +2.8   52.1   in 2005   32.2   in 1981  
Average  Dew Point   50.8   54.2   47.9   +2.8   56.2   in 2005   38.1   in 1981  
    October 18, 2019     Record Record
Year-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
Total Precipitation   42.76   38.92   37.61   +5.15   51.27   in 1998   18.89   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)   194   161   251   -57   415   in 1956   112   in 2011  
Total CDD (since Jan 1)   731   775   563   +168   802   in 2016   290   in 1902  
                             
Hour-by-Hour Weather For October 18, 2019
Climate Weather for October 18
Weather History For October 18
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