Portsmouth Rhode Island Weather Almanac
Monday, October 21, 2019
Cloudy, Light Rain early, Partly Cloudy Day to Clear PM, Windy and Warmer
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2019  
    October 21, 2019     Record Record
Observed Daily Data   Observed   2018   Normal   Depart   Highest Lowest
Maximum Temperature   65   50   60   +5   79   in 1920   44   in 1974  
Minimum Temperature   50   38   44   +6   61   in 2016   28   in 1972  
Average Temperature   58   44   52   +6   68   in 1920   37   in 1974  
Precipitation   .03   .17   .13   -.10   1.98   in 1944            
One Hour   .02   .07           .53   in 1976            
Snow   0.0   0.0   0.0   +0.0   0.0   in              
Snow Depth   0   0               in            
HDD   7   21   13   -6   28   in 1974   0   in 2016  
CDD   0   0   0   +0   3   in 1920            
Maximum Dew Point   53   46   49   +4   68   in 2016   21   in 1974  
Minimum Dew Point   46   25   37   +9   60   in 2016   15   in 1974  
Average  Dew Point   50   36   43   +7   64   in 2016   18   in 1974  
Maximum Humidity   94%   94%   89%   +5%   100%   in 2016   59%   in 1952  
Minimum Humidity   56%   50%   52%   +4%   88%   in 1996   25%   in 1952  
Average Humidity   75%   72%   71%   +4%   94%   in 1996   42%   in 1952  
Maximum Barometer   30.15   30.12   30.16   -00.01   30.64   in 1933   29.66   in 1969  
Minimum Barometer   29.98   29.55   29.89   +00.09   30.44   in 1972   29.16   in 1976  
Average Barometer   30.07   29.84   30.02   +00.04   30.51   in 1983   29.46   in 1976  
Average Wind   11.0   10.5   6.8   +4.2   15.8   in 1976   1.7   in 2005  
Direction   NNE   N   WNW       E         N        
High Wind Gust   24   34   23   +1   50   in 1904   10   in 1971  
Direction   NNE   NNE   WNW       SE         NE        
High Heat Index                   80   in 1920            
Wind Chill       32                     23   in 1974  
Maximum Water Temp   63.7   57.7   60.4   +3.3   63.7   in 2016   56.7   in 2010  
Minimum Water Temp   57.8   54.1   58.7   -0.9   62.6   in 2016   54.1   in 2018  
Average Water Temp   58.3   55.9   59.6   -1.3   63.2   in 2016   55.9   in 2018  
Sunrise/ AM Twilight   7:04:58 AM   6:36:52 AM            
Sunset / PM Twilight   5:54:31 PM   6:22:37 PM            
Length Of Day   10:49:33                          
Special Conditions   None                                  
Comments      
    October 21, 2019     Record Record
Month-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
 Avg Maximum Temperature   63.2   64.9   63.3   -0.1   70.3   in 1990   55.5   in 1896  
Avg Minimum Temperature   49.3   51.1   47.8   +1.6   54.6   in 2011   39.7   in 1981  
Average Temperature   56.3   58.0   55.5   +0.8   61.4   in 2011   49.6   in 1981  
Total Precipitation   3.41   3.77   2.62   +.79   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   185   161   200   -15   318   in 1981   86   in 2011  
Total CDD   8   17   5   +3   48   in 1954   0   in 2015  
Avg Maximum Dew Point   55.6   59.1   53.1   +2.5   60.3   in 2007   43.4   in 1974  
Avg Minimum Dew Point   44.4   45.7   41.5   +2.8   50.0   in 2005   31.6   in 1981  
Average  Dew Point   50.0   52.4   47.3   +2.7   54.9   in 2007   37.7   in 1974  
    October 21, 2019     Record Record
Year-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
Total Precipitation   42.81   39.10   38.00   +4.81   51.27   in 1998   19.78   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)   228   209   289   -61   465   in 1956   124   in 1920  
Total CDD (since Jan 1)   731   775   563   +168   807   in 2016   290   in 1902  
                             
Hour-by-Hour Weather For October 21, 2019
Climate Weather for October 21
Weather History For October 21
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