Portsmouth Rhode Island Weather Almanac  
Wednesday, April 13, 2022  
Clear to Mostly Cloudy & Fog PM, Light Winds and Continued Warm  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2022
    April 13, 2022   Record   Record  
Observed Daily Data   2022   2021   Norm   Depart   Highest   Lowest  
Maximum Temperature   65   58   54   +11   78   in 1977   38   in 1929  
Minimum Temperature   44   40   39   +5   51   in 2002   26   in 1956  
Average Temperature   55   49   47   +8   60   in 1977   35   in 1929  
 Month Avg Max Temperature   56.4   56.2   52.3   +4.1   62.3   in 2010   43.6   in 2003  
Month Avg Min Temperature   40.2   37.8   37.1   +3.2   43.7   in 2010   28.5   in 1982  
Month Average Temperature   48.5   47.3   45.0   +3.5   53.2   in 2010   37.9   in 1982  
High Heat Index                                      
Low Wind Chill   43   35   31   +12             18   in 1956  
Heating Degree Days   10   16   18   -8   30   in 1929   5   in 1977  
Month HDD   214   230   260   -46   352   in 1982   153   in 2010  
Season HDD   4514   4550   4910   -396   5984   in 1918   4087   in 2012  
Cooling Degree Days   0   0   0   +0       in         in    
Month CDD   0   0   0   +0   0   in         in    
Year Cooling Degree Days                       in         in    
Maximum Dew Point   50   43   42   +8   56   in 2019   18   in 1992  
Minimum Dew Point   28   37   29   -1   48   in 2020   3   in 1992  
Average  Dew Point   39   40   35   +4   52   in 2019   11   in 1992  
 Month Avg Max Dew Point   44.0   42.0   40.2   +3.8   49.1   in 2010   29.0   in 1965  
Month Avg Min Dew Point   30.9   27.1   26.7   +4.2   36.9   in 2010   13.2   in 1982  
Month Average Dew Point   37.5   34.5   33.4   +4.1   43.0   in 2010   21.7   in 1982  
Precipitation   .00   .00   .14   -.14   2.55   in 1913            
One Hour   .00   .00           .40   in 2004            
Hourly Rate   .00   .00           4.30   in 2011            
Month Precipitation   1.62   .85   1.89   -.27   5.72   in 1983   .03   in 1963  
Year Precipitation   14.52   9.27   13.35   +1.17   24.99   in 1983   6.57   in 2012  
Snow   0.0   0.0   0.0   +0.0   0.4   in 1950       in    
Snow Depth   0   0           T   in 1958       in    
Month Snow   0.0   0.0   0.5   -0.5   9.6   in 1996   0.0   in 2022  
Season Snow   34.2   27.5   33.5   +0.7   84.1   in 1996   5.0   in 1998  
    April 13, 2022     Record Record
Observed Daily Data   2022   2021   Norm   Depart   Highest Lowest
Maximum Humidity   97%   89%   84%   +13%   100%   in 2019   43%   in 1976  
Minimum Humidity   27%   56%   49%   -22%   93%   in 2004   13%   in 1963  
Average Humidity   62%   73%   67%   -5%   97%   in 2004   33%   in 1992  
Maximum Barometer   30.13   30.06   30.13   +00.00   30.67   in 1991   29.43   in 1953  
Minimum Barometer   29.86   29.93   29.86   +00.00   30.39   in 2000   29.19   in 1965  
Average Barometer   30.00   30.00   29.99   +00.00   30.47   in 2000   29.33   in 1953  
Average Wind   5.2   7.3   7.7   -2.5   19.9   in 1987   3.6   in 1984  
Direction   S   NNE   S       NNE         ESE        
High Wind Gust   20   28   26   -6   48   in 2020   15   in 1970  
Direction   SSW   NNE   NNE       SSE         S        
Maximum Water Temp   50.5   46.8   46.1   +4.5   53.3   in 2010   42.0   in 2020  
Minimum Water Temp   47.3   45.5   43.4   +3.9   47.7   in 2012   38.8   in 2003  
Average Water Temp   48.9   46.2   44.7   +4.2   49.7   in 2010   40.9   in 2003  
Sunrise/ AM Twilight   6:08:19 AM   5:38:01 AM            
Sunset / PM Twilight   7:23:29 PM   7:53:16 PM            
Length Of Day   13:15:10                          
Special Conditions   Fog                                  
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