Portsmouth Rhode Island Weather Almanac
Thursday, July 11, 2019
Cloudy and Dense Fog early then Mostly Cloudy, Light Haze, Breezy and Warm
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2019  
    July 11, 2019     Record Record
Observed Daily Data   Observed   2018   Normal   Depart   Highest Lowest
Maximum Temperature   81   78   79   +2   91   in 1993   64   in 1917  
Minimum Temperature   69   62   63   +6   74   in 1911   53   in 1953  
Average Temperature   75   70   71   +4   83   in 1911   61   in 1917  
Precipitation   .00   .00   .11   -.11   1.78   in 1959            
One Hour   .00   .00           .46   in 1959            
Snow   0.0   0.0   0.0   +0.0   0.0   in              
Snow Depth   0   0               in            
HDD   0   0   0   +0   4   in 1917   0   in 2019  
CDD   10   5   6   +4   18   in 1911            
Maximum Dew Point   71   66   67   +4   75   in 2011   50   in 2002  
Minimum Dew Point   66   55   58   +8   70   in 2013   41   in 1989  
Average  Dew Point   69   61   63   +6   72   in 2013   47   in 2002  
Maximum Humidity   98%   93%   91%   +7%   100%   in 2007   72%   in 1971  
Minimum Humidity   64%   49%   56%   +8%   89%   in 2006   28%   in 1981  
Average Humidity   81%   71%   73%   +8%   95%   in 1984   56%   in 2005  
Maximum Barometer   30.02   30.04   30.02   +00.00   30.33   in 1996   29.75   in 2001  
Minimum Barometer   29.84   29.84   29.82   +00.02   30.13   in 1996   29.50   in 1976  
Average Barometer   29.93   29.94   29.92   +00.01   30.23   in 1996   29.63   in 1973  
Average Wind   8.9   6.2   5.6   +3.3   10.5   in 1974   2.1   in 1971  
Direction   S   NNE   SSW       N         N        
High Wind Gust   20   23   21   -1   36   in 2001   10   in 1971  
Direction   S   NE   SSW       WNW         WSW        
High Heat Index   84   79   80   +4   95   in 2010            
Wind Chill                                      
Maximum Water Temp   72.6   68.0   70.0   +2.6   74.4   in 2012   64.8   in 2003  
Minimum Water Temp   69.8   63.3   65.7   +4.1   70.1   in 2012   61.6   in 2006  
Average Water Temp   71.2   65.7   67.9   +3.3   72.3   in 2012   63.7   in 2003  
Sunrise/ AM Twilight   5:22:08 AM   4:49:04 AM            
Sunset / PM Twilight   8:19:38 PM   8:52:42 PM            
Length Of Day   14:57:30                          
Special Conditions   Dense Fog, Haze                            
Comments   11th consecutive day without rain  
    July 11, 2019     Record Record
Month-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
 Avg Maximum Temperature   83.5   81.8   78.4   +5.2   86.6   in 1955   70.6   in 1914  
Avg Minimum Temperature   64.4   64.5   62.4   +2.0   70.6   in 2013   55.9   in 1962  
Average Temperature   74.0   73.2   70.4   +3.6   76.4   in 1955   63.9   in 1914  
Total Precipitation   .00   .15   1.21   -1.21   4.76   in 2009   .00   in 2019  
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   103   93   64   +39   128   in 1955   13   in 1914  
Avg Maximum Dew Point   68.9   69.5   66.8   +2.1   73.7   in 2013   58.1   in 1982  
Avg Minimum Dew Point   60.5   59.5   57.8   +2.6   68.5   in 2013   48.0   in 1962  
Average  Dew Point   64.7   64.5   62.3   +2.4   71.1   in 2013   53.5   in 1982  
    July 11, 2019     Record Record
Year-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
Total Precipitation   29.06   24.54   25.51   +3.55   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)   198   170   153   +45   258   in 2010   40   in 1972  
                             
Hour-by-Hour Weather For July 11, 2019  
Climate Weather for July 11  
Weather History For July 11  
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