Portsmouth Rhode Island Weather Almanac  
Thursday, March 31, 2022  
Cloudy, Foggy, Heavy PM Rain, Windy and Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2022
    March 31, 2022   Record   Record  
Observed Daily Data   2022   2021   Norm   Depart   Highest   Lowest  
Maximum Temperature   57   62   50   +7   71   in 1981   35   in 1970  
Minimum Temperature   38   45   35   +3   49   in 1998   15   in 1923  
Average Temperature   48   54   43   +5   59   in 1998   26   in 1923  
 Month Avg Max Temperature   49.7   49.5   45.6   +4.2   52.0   in 1946   36.0   in 1916  
Month Avg Min Temperature   32.6   31.4   30.7   +1.9   37.4   in 2012   23.4   in 1916  
Month Average Temperature   41.5   40.7   38.4   +3.0   44.9   in 2012   30.0   in 1916  
High Heat Index                                      
Low Wind Chill   34   42   28   +6             4   in 1923  
Heating Degree Days   17   11   22   -5   39   in 1923   6   in 1998  
Month HDD   730   753   824   -94   1086   in 1916   622   in 2012  
Season HDD   4300   4320   4650   -350   5689   in 1918   3858   in 2016  
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   54   54   38   +16   56   in 1998   12   in 1965  
Minimum Dew Point   29   42   25   +4   47   in 1987   2   in 1964  
Average  Dew Point   42   48   32   +10   51   in 1998   8   in 1965  
 Month Avg Max Dew Point   39.4   35.4   34.6   +4.7   41.6   in 2012   25.9   in 1960  
Month Avg Min Dew Point   21.7   18.7   20.2   +1.5   27.9   in 2010   11.1   in 1950  
Month Average Dew Point   30.5   27.0   27.7   +2.8   34.6   in 2012   19.4   in 1960  
Precipitation   .40   .04   .14   +.26   2.13   in 1997            
One Hour   .30   .02           .68   in 1987            
Hourly Rate   2.82   .00           2.82   in 2022            
Month Precipitation   3.51   2.92   4.36   -.85   13.24   in 2010   .32   in 1915  
Year Precipitation   12.90   8.42   11.46   +1.44   20.09   in 2010   6.16   in 2012  
Snow   0.0   0.0   0.1   -0.1   5.9   in 1970       in    
Snow Depth   0   0           4   in 1984       in    
Month Snow   0.5   T   5.7   -5.2   31.6   in 1956   0.0   in 1903  
Season Snow   34.2   30.9   33.0   +1.2   78.0   in 2005   5.0   in 1998  
    March 31, 2022     Record Record
Observed Daily Data   2022   2021   Norm   Depart   Highest Lowest
Maximum Humidity   98%   98%   87%   +11%   100%   in 2004   44%   in 1950  
Minimum Humidity   68%   68%   52%   +16%   97%   in 1987   14%   in 1963  
Average Humidity   83%   83%   70%   +13%   99%   in 1987   39%   in 1965  
Maximum Barometer   30.04   30.32   30.07   -00.03   30.70   in 2008   29.35   in 1974  
Minimum Barometer   29.54   29.84   29.78   -00.24   30.37   in 1967   29.01   in 1974  
Average Barometer   29.79   30.08   29.92   -00.13   30.50   in 1967   29.18   in 1974  
Average Wind   11.2   11.1   8.5   +2.7   21.2   in 1987   3.2   in 1996  
Direction   SSW   S   SSW       SSE         S        
High Wind Gust   34   33   27   +7   51   in 1997   11   in 1973  
Direction   #N/A   #N/A   NW       NNE         S        
Maximum Water Temp   43.9   43.6   43.0   +0.9   47.3   in 1998   38.7   in 2014  
Minimum Water Temp   42.6   41.8   40.6   +2.0   46.0   in 2012   36.9   in 2015  
Average Water Temp   43.3   42.7   41.8   +1.4   46.6   in 2012   37.9   in 2015  
Sunrise/ AM Twilight   6:29:42 AM   7:00:00 AM            
Sunset / PM Twilight   7:09:21 PM   7:38:09 PM            
Length Of Day   12:39:39                          
Special Conditions   Dense Fog                              
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