Portsmouth Rhode Island Weather Almanac  
Wednesday, April 27, 2022  
Cloudy, Light Rain and Fog early then Partly Cloudy, Windy and Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2022
    April 27, 2022   Record   Record  
Observed Daily Data   2022   2021   Norm   Depart   Highest   Lowest  
Maximum Temperature   58   61   59   -1   81   in 1915   43   in 2020  
Minimum Temperature   41   40   43   -2   53   in 2011   33   in 1987  
Average Temperature   50   51   51   -1   66   in 1935   40   in 1898  
 Month Avg Max Temperature   57.0   56.4   54.7   +2.3   61.1   in 1976   47.9   in 1907  
Month Avg Min Temperature   40.7   39.0   39.0   +1.7   43.3   in 2010   33.3   in 1943  
Month Average Temperature   49.0   48.0   47.1   +1.9   52.0   in 2010   41.4   in 1907  
High Heat Index                                      
Low Wind Chill   33   37   37   -4             23   in 1993  
Heating Degree Days   15   14   14   +1   25   in 1898   0   in 1935  
Month HDD   431   459   483   -52   637   in 1907   352   in 2010  
Season HDD   4731   4779   5133   -402   6212   in 1904   4238   in 2012  
Cooling Degree Days   0   0   0   +0   1   in 1935       in    
Month CDD   0   0   0   +0   13   in 1976       in    
Year Cooling Degree Days   0   0   0   +0   13   in 1976       in    
Maximum Dew Point   51   38   47   +4   60   in 2011   27   in 1966  
Minimum Dew Point   25   28   34   -9   53   in 2011   6   in 1966  
Average  Dew Point   38   33   40   -2   57   in 2011   17   in 1966  
 Month Avg Max Dew Point   44.6   42.2   42.4   +2.2   47.3   in 2019   33.7   in 1965  
Month Avg Min Dew Point   30.3   29.7   29.2   +1.1   36.6   in 2010   20.1   in 1982  
Month Average Dew Point   37.5   36.0   35.8   +1.7   41.6   in 2010   28.5   in 1965  
Precipitation   .05   T   .14   -.09   1.77   in 1937            
One Hour   .04   T           .58   in 1982            
Hourly Rate   .08   .00           3.79   in 2007            
Month Precipitation   3.50   3.21   3.85   -.35   11.92   in 1983   .47   in 1963  
Year Precipitation   16.40   11.63   15.31   +1.09   31.19   in 1983   7.51   in 1985  
Snow   0.0   0.0   0.0   +0.0   0.0   in         in    
Snow Depth   0   0           0   in         in    
Month Snow   0.0   T   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 27, 2022     Record Record
Observed Daily Data   2022   2021   Norm   Depart   Highest Lowest
Maximum Humidity   98%   68%   89%   +9%   100%   in 2019   53%   in 1981  
Minimum Humidity   39%   30%   52%   -13%   96%   in 1973   24%   in 1966  
Average Humidity   69%   49%   71%   -2%   98%   in 1973   41%   in 1966  
Maximum Barometer   29.87   30.08   30.05   -00.18   30.60   in 1966   29.45   in 2010  
Minimum Barometer   29.73   29.92   29.81   -00.08   30.32   in 2013   29.20   in 2019  
Average Barometer   29.80   30.00   29.93   -00.13   30.41   in 1958   29.33   in 2010  
Average Wind   10.6   7.0   7.1   +3.5   17.7   in 2020   2.9   in 2008  
Direction   WNW   NW   N       N         E        
High Wind Gust   31   27   24   +7   47   in 1947   11   in 2008  
Direction   WNW   SW   NNW       SW         ESE        
Maximum Water Temp   50.9   48.4   49.3   +1.6   56.5   in 2007   40.8   in 2020  
Minimum Water Temp   48.4   46.2   46.6   +1.8   52.0   in 2012   39.7   in 2020  
Average Water Temp   49.7   47.3   48.0   +1.7   53.1   in 2012   40.3   in 2020  
Sunrise/ AM Twilight   5:47:20 AM   5:16:08 AM            
Sunset / PM Twilight   7:38:43 PM   8:09:37 PM            
Length Of Day   13:51:23                          
Special Conditions   Dense Fog                              
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