Portsmouth Rhode Island Weather Almanac
Friday, June 28, 2019
Partly Cloudy and Dense Fog early then Clear. Light Winds, Continued Warm, Less Humid
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2019  
    June 28, 2019     Record Record
Observed Daily Data   Observed   2018   Normal   Depart   Highest Lowest
Maximum Temperature   87   69   77   +10   90   in 1991   60   in 1938  
Minimum Temperature   61   65   62   -1   71   in 2010   49   in 1995  
Average Temperature   74   67   70   +4   79   in 2001   58   in 1938  
Precipitation   .00   .20   .10   -.10   2.38   in 1938            
One Hour   .00   .12           .58   in 1983            
Snow   0.0   0.0   0.0   +0.0   0.0   in              
Snow Depth   0   0               in            
HDD   0   0   0   +0   7   in 1938   0   in 2019  
CDD   9   2   5   +4   14   in 2001            
Maximum Dew Point   66   69   65   +1   75   in 2010   52   in 1981  
Minimum Dew Point   59   62   56   +3   70   in 2010   37   in 1980  
Average  Dew Point   63   66   61   +2   73   in 2010   47   in 1980  
Maximum Humidity   99%   100%   92%   +7%   100%   in 2018   71%   in 2001  
Minimum Humidity   37%   90%   58%   -21%   92%   in 2013   28%   in 1981  
Average Humidity   68%   95%   75%   -7%   96%   in 2005   53%   in 1981  
Maximum Barometer   30.17   29.99   30.03   +00.14   30.34   in 1995   29.66   in 2010  
Minimum Barometer   30.09   29.76   29.83   +00.26   30.18   in 2014   29.38   in 1986  
Average Barometer   30.13   29.88   29.93   +00.20   30.26   in 1962   29.61   in 2009  
Average Wind   4.0   8.1   6.3   -2.3   12.3   in 1984   2.6   in 2008  
Direction   S   SSE   SSW       S         SSE        
High Wind Gust   17   23   22   -5   46   in 1932   12   in 1952  
Direction   S   SSE   SSW       NW         S        
High Heat Index   89   72   77   +12   91   in 2010            
Wind Chill                             #N/A   in #N/A  
Maximum Water Temp   67.5   65.3   67.8   -0.3   75.3   in 2007   63.6   in 2006  
Minimum Water Temp   64.5   62.4   63.5   +1.0   68.4   in 1999   59.2   in 2003  
Average Water Temp   66.0   63.9   65.7   +0.3   71.3   in 2007   61.9   in 2006  
Sunrise/ AM Twilight   5:14:04 AM   4:40:13 AM            
Sunset / PM Twilight   8:23:15 PM   8:57:05 PM            
Length Of Day   15:09:11                          
Special Conditions   Dense Fog                              
Comments      
    June 28, 2019     Record Record
Month-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
 Avg Maximum Temperature   74.2   71.5   73.5   +0.7   78.9   in 1943   52.2   in 1893  
Avg Minimum Temperature   58.0   56.1   57.3   +0.8   61.0   in 2001   52.6   in 1907  
Average Temperature   66.1   63.8   65.4   +0.7   68.8   in 2001   60.1   in 1903  
Total Precipitation   6.01   1.38   3.57   +2.44   8.98   in 1982   .05   in 1949  
Total Snow   0.0   0.0   0.0   +0.0   0.0   in     0.0   in    
Total HDD   32   75   53   -21   159   in 1907   5   in 1899  
Total CDD   68   45   70   -2   146   in 1957   7   in 1972  
Avg Maximum Dew Point   62.4   62.1   61.4   +0.9   65.9   in 2010   54.1   in 1965  
Avg Minimum Dew Point   52.3   50.8   51.8   +0.5   57.4   in 2010   44.5   in 1958  
Average  Dew Point   57.3   56.7   56.6   +0.7   61.7   in 2010   49.6   in 1965  
    June 28, 2019     Record Record
Year-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
Total Precipitation   27.92   24.39   24.07   +3.85   39.12   in 1983   12.67   in 1957  
Total Snow (since Jul 1 18)   21.1   45.6   31.8   -10.7   84.1   in 1996   5.0   in 1998  
Total HDD (since Jul 1 18)   5522   5363   5625   -103   6620   in 1905   4549   in 2012  
Total CDD (since Jan 1)   78   56   79   -1   164   in 2001   7   in 1972  
                             
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Portsmouth Rhode Island Weather Almanac
Thursday, June 27, 2019
Cloudy Morning, Partly Cloudy Day to Evening Dense Fog, Light Winds, Warm and Muggy
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2019  
    June 27, 2019     Record Record
Observed Daily Data   Observed   2018   Normal   Depart   Highest Lowest
Maximum Temperature   83   73   77   +6   93   in 1963   60   in 1938  
Minimum Temperature   64   61   61   +3   68   in 2013   49   in 1893  
Average Temperature   74   67   70   +4   77   in 1953   58   in 1985  
Precipitation   .00   T   .10   -.10   2.24   in 1938            
One Hour   .00   T           .33   in 1953            
Snow   0.0   0.0   0.0   +0.0   0.0   in              
Snow Depth   0   0               in            
HDD   0   0   1   -1   7   in 1985   0   in 2019  
CDD   9   2   5   +4   12   in 1953            
Maximum Dew Point   71   63   65   +6   74   in 2010   47   in 1965  
Minimum Dew Point   62   58   56   +6   68   in 2006   40   in 1995  
Average  Dew Point   67   61   60   +7   70   in 2006   45   in 1965  
Maximum Humidity   99%   94%   93%   +6%   100%   in 2013   69%   in 1963  
Minimum Humidity   62%   64%   59%   +3%   98%   in 1987   29%   in 2014  
Average Humidity   81%   79%   76%   +5%   99%   in 1987   52%   in 1963  
Maximum Barometer   30.13   30.16   30.03   +00.10   30.50   in 1965   29.53   in 1954  
Minimum Barometer   30.06   29.99   29.83   +00.23   30.34   in 1965   29.29   in 1970  
Average Barometer   30.10   30.08   29.93   +00.17   30.42   in 1965   29.48   in 1954  
Average Wind   4.9   7.3   6.0   -1.1   14.6   in 1985   1.7   in 1967  
Direction   SSE   SW   SSW       N         ENE        
High Wind Gust   18   20   21   -3   38   in 1985   9   in 1974  
Direction   SE   SW   SSW       NNE         S        
High Heat Index   88   74   78   +10   97   in 1964            
Wind Chill                             #N/A   in #N/A  
Maximum Water Temp   67.2   65.7   68.0   -0.8   76.3   in 2007   63.6   in 2006  
Minimum Water Temp   64.3   63.5   64.0   +0.3   70.6   in 2007   58.2   in 2005  
Average Water Temp   65.8   64.6   66.0   -0.2   73.5   in 2007   61.0   in 2005  
Sunrise/ AM Twilight   5:13:38 AM   4:39:46 AM            
Sunset / PM Twilight   8:23:16 PM   8:57:09 PM            
Length Of Day   15:09:38                          
Special Conditions   Dense Fog                              
Comments      
    June 27, 2019     Record Record
Month-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
 Avg Maximum Temperature   73.7   71.6   73.3   +0.4   78.7   in 1943   52.1   in 1893  
Avg Minimum Temperature   57.9   55.8   57.1   +0.8   60.7   in 2001   52.4   in 1907  
Average Temperature   65.8   63.7   65.2   +0.6   68.6   in 1949   60.1   in 1903  
Total Precipitation   6.01   1.18   3.45   +2.56   8.93   in 1982   .05   in 1949  
Total Snow   0.0   0.0   0.0   +0.0   0.0   in     0.0   in    
Total HDD   32   75   53   -21   159   in 1907   5   in 1899  
Total CDD   59   43   65   -6   138   in 1949   5   in 1972  
Avg Maximum Dew Point   62.2   61.9   61.3   +0.9   65.6   in 2010   53.9   in 1965  
Avg Minimum Dew Point   52.0   50.3   51.6   +0.4   56.9   in 2010   44.4   in 1958  
Average  Dew Point   57.1   56.3   56.5   +0.7   61.3   in 2010   49.4   in 1965  
    June 27, 2019     Record Record
Year-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
Total Precipitation   27.92   24.19   23.95   +3.97   38.39   in 1998   12.67   in 1957  
Total Snow (since Jul 1 18)   21.1   45.6   31.8   -10.7   84.1   in 1996   5.0   in 1998  
Total HDD (since Jul 1 18)   5522   5363   5625   -103   6619   in 1905   4549   in 2012  
Total CDD (since Jan 1)   69   54   74   -5   151   in 1957   5   in 1972  
                             
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