Portsmouth Rhode Island Weather Almanac  
Monday, April 4, 2022  
Mostly Cloudy AM then Partly Cloudy, Breezy and Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2022
    April 4, 2022   Record   Record  
Observed Daily Data   2022   2021   Norm   Depart   Highest   Lowest  
Maximum Temperature   55   57   51   +4   65   in 1974   32   in 2016  
Minimum Temperature   37   30   36   +1   48   in 1974   14   in 1954  
Average Temperature   46   44   44   +2   57   in 1974   26   in 1954  
 Month Avg Max Temperature   54.3   49.5   50.8   +3.5   61.5   in 1986   38.0   in 1911  
Month Avg Min Temperature   37.5   30.3   35.8   +1.8   42.8   in 2000   23.0   in 1954  
Month Average Temperature   46.0   40.3   43.8   +2.3   51.8   in 1945   33.5   in 1954  
High Heat Index                                      
Low Wind Chill   30   29   28   +2             3   in 1954  
Heating Degree Days   19   21   21   -2   39   in 1954   8   in 1974  
Month HDD   76   99   85   -9   126   in 1954   53   in 1945  
Season HDD   4376   4419   4735   -359   5758   in 1918   3934   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   38   32   39   -1   60   in 1974   11   in 1965  
Minimum Dew Point   27   16   26   +1   48   in 1974   -1   in 1954  
Average  Dew Point   33   24   32   +1   54   in 1974   5   in 1954  
 Month Avg Max Dew Point   41.0   34.5   38.8   +2.3   51.0   in 2010   14.5   in 1965  
Month Avg Min Dew Point   25.3   16.0   25.3   +0.0   39.3   in 2010   5.3   in 1965  
Month Average Dew Point   33.1   25.3   32.0   +1.1   45.1   in 2010   9.9   in 1965  
Precipitation   T   .00   .15   .00   1.66   in 2017            
One Hour   T   .00           .39   in 2007            
Hourly Rate   .00   .00           1.54   in 2007            
Month Precipitation   .29   .77   .60   -.31   2.99   in 1973   .00   in 2010  
Year Precipitation   13.19   9.19   12.06   +1.13   21.34   in 1998   6.44   in 2012  
Snow   0.0   0.0   0.1   -0.1   4.2   in 2016       in    
Snow Depth   0   0           5   in 1915       in    
Month Snow   0.0   0.0   0.4   -0.4   7.9   in 1915   0.0   in 2022  
Season Snow   34.2   27.5   33.4   +0.8   78.0   in 2005   5.0   in 1998  
    April 4, 2022     Record Record
Observed Daily Data   2022   2021   Norm   Depart   Highest Lowest
Maximum Humidity   89%   73%   86%   +3%   100%   in 2018   39%   in 1996  
Minimum Humidity   35%   23%   49%   -14%   95%   in 1988   16%   in 1996  
Average Humidity   62%   48%   68%   -6%   98%   in 1988   28%   in 1996  
Maximum Barometer   29.97   30.19   30.02   -00.05   30.62   in 1991   29.29   in 1975  
Minimum Barometer   29.74   29.87   29.70   +00.04   30.34   in 1962   28.83   in 1975  
Average Barometer   29.86   30.03   29.86   -00.00   30.43   in 1962   29.06   in 1975  
Average Wind   8.8   6.1   8.9   -0.1   19.3   in 1975   3.1   in 1966  
Direction   NW   NW   WNW       NW         SE        
High Wind Gust   26   30   28   -2   58   in 1963   14   in 2001  
Direction   NNW   NNW   WNW       WNW         SSE        
Maximum Water Temp   45.5   44.2   43.5   +2.0   50.7   in 2010   39.9   in 2003  
Minimum Water Temp   43.5   43.0   41.4   +2.1   47.3   in 2010   38.2   in 2003  
Average Water Temp   44.5   43.6   42.4   +2.1   49.0   in 2010   39.1   in 2003  
Sunrise/ AM Twilight   6:23:00 AM   5:53:09 AM            
Sunset / PM Twilight   7:13:42 PM   7:42:57 PM            
Length Of Day   12:50:42                          
Special Conditions   None                              
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