Portsmouth Rhode Island Weather Almanac
Friday, July 12, 2019
Cloudy, Heavy Thunderstorm & Fog early, then Partly Cloudy, Heavy Thunderstorm early Evening, Hot & Humid
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2019  
    July 12, 2019     Record Record
Observed Daily Data   Observed   2018   Normal   Depart   Highest Lowest
Maximum Temperature   88   80   79   +9   90   in 2011   65   in 1990  
Minimum Temperature   69   59   63   +6   72   in 1911   53   in 2002  
Average Temperature   79   70   71   +8   81   in 1911   62   in 1990  
Precipitation   2.45   .00   .11   +2.34   2.45   in 2019            
One Hour   .83   .00           1.12   in 1993            
Snow   0.0   0.0   0.0   +0.0   0.0   in              
Snow Depth   0   0               in            
HDD   0   0   0   +0   3   in 1990   0   in 2019  
CDD   14   5   7   +7   16   in 1911            
Maximum Dew Point   75   63   67   +8   76   in 2017   52   in 1978  
Minimum Dew Point   67   53   58   +9   70   in 1950   43   in 1985  
Average  Dew Point   71   58   63   +8   73   in 2010   49   in 1978  
Maximum Humidity   98%   91%   92%   +6%   100%   in 2003   72%   in 1971  
Minimum Humidity   60%   44%   56%   +4%   92%   in 1987   26%   in 1971  
Average Humidity   79%   68%   74%   +5%   96%   in 1987   49%   in 1971  
Maximum Barometer   29.84   30.24   30.03   -00.19   30.43   in 1898   29.50   in 1976  
Minimum Barometer   29.66   30.04   29.84   -00.18   30.23   in 1999   29.11   in 1976  
Average Barometer   29.75   30.14   29.94   -00.19   30.29   in 1996   29.31   in 1976  
Average Wind   6.8   4.1   5.4   +1.4   9.4   in 1958   1.8   in 1995  
Direction   S   NNE   SW       SW         S        
High Wind Gust   19   14   20   -1   37   in 1970   10   in 1975  
Direction   SSE   SSE   SW       N         NE        
High Heat Index   95   81   80   +15   98   in 2011            
Wind Chill                                      
Maximum Water Temp   72.7   67.1   70.5   +2.2   74.9   in 2010   66.7   in 2006  
Minimum Water Temp   70.0   63.5   66.2   +3.8   71.2   in 2010   62.2   in 2006  
Average Water Temp   71.4   65.3   68.4   +3.0   73.0   in 2010   64.5   in 2006  
Sunrise/ AM Twilight   5:22:53 AM   4:49:54 AM            
Sunset / PM Twilight   8:19:07 PM   8:52:07 PM            
Length Of Day   14:56:14                          
Special Conditions   Fog, Heavy Thunderstorms                      
Comments   First day of rain for the month  
    July 12, 2019     Record Record
Month-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
 Avg Maximum Temperature   83.9   81.7   78.4   +5.5   85.8   in 1955   71.7   in 1914  
Avg Minimum Temperature   64.8   64.1   62.4   +2.3   70.3   in 2013   56.4   in 1962  
Average Temperature   74.3   72.9   70.4   +3.9   75.9   in 1981   64.7   in 1914  
Total Precipitation   2.45   .15   1.32   +1.13   4.84   in 2009   .00   in 1908  
Total Snow   0.0   0.0   0.0   +0.0   0.0   in     0.0   in    
Total HDD   0   0   3   -3   23   in 1914   0   in 2019  
Total CDD   117   98   71   +46   134   in 1981   18   in 1909  
Avg Maximum Dew Point   69.4   68.9   66.8   +2.6   73.6   in 2013   58.4   in 1978  
Avg Minimum Dew Point   61.0   59.0   57.9   +3.1   68.1   in 2013   48.5   in 1962  
Average  Dew Point   65.2   64.0   62.4   +2.9   70.8   in 2013   53.9   in 1978  
    July 12, 2019     Record Record
Year-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
Total Precipitation   31.51   24.54   25.62   +5.89   40.76   in 1998   13.04   in 1957  
Total Snow (since Jul 1 19)   0.0   0.0   0.0   +0.0   0.0   in     0.0   in    
Total HDD (since Jul 1 19)   0   0   3   -3   23   in 1914   0   in 2019  
Total CDD (since Jan 1)   212   175   160   +52   270   in 2010   49   in 1972  
                             
Hour-by-Hour Weather For July 12, 2019  
Climate Weather for July 12  
Weather History For July 12  
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