Portsmouth Rhode Island Weather Almanac  
Sunday, March 20, 2022  
Cloudy, Light Rain & Dense Fog early, Partly Cloudy Day to Cloudy PM and Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2022
    March 20, 2022   Record   Record  
Observed Daily Data   2022   2021   Norm   Depart   Highest   Lowest  
Maximum Temperature   64   48   47   +17   67   in 2010   29   in 1923  
Minimum Temperature   45   28   32   +13   45   in 2022   7   in 1967  
Average Temperature   55   38   39   +16   55   in 2022   21   in 1923  
 Month Avg Max Temperature   50.2   44.4   43.9   +6.3   51.8   in 1894   31.5   in 1916  
Month Avg Min Temperature   32.2   27.1   29.2   +3.0   36.9   in 1973   19.5   in 1916  
Month Average Temperature   41.5   36.0   36.8   +4.7   44.2   in 1973   25.7   in 1916  
High Heat Index                                      
Low Wind Chill   39   25   23   +16             -6   in 1967  
Heating Degree Days   10   27   26   -16   44   in 1923   10   in 2022  
Month HDD   471   580   564   -93   786   in 1916   417   in 1973  
Season HDD   4041   4147   4390   -349   5437   in 1905   3622   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   53   32   35   +18   56   in 2012   15   in 1967  
Minimum Dew Point   35   9   21   +14   41   in 2012   -6   in 1967  
Average  Dew Point   44   21   28   +16   49   in 2012   5   in 1967  
 Month Avg Max Dew Point   42.1   28.3   33.5   +8.6   42.1   in 2022   22.0   in 1960  
Month Avg Min Dew Point   23.1   10.5   18.6   +4.5   29.6   in 1983   4.8   in 1950  
Month Average Dew Point   32.6   19.4   26.4   +6.2   34.4   in 1973   15.2   in 1950  
Precipitation   .02   .00   .15   -.13   1.24   in 1954            
One Hour   .01   .00           .32   in 1996            
Hourly Rate   .00   .00           1.42   in 2008            
Month Precipitation   1.65   1.88   2.75   -1.10   8.05   in 1968   .08   in 1915  
Year Precipitation   11.04   7.38   9.85   +1.19   19.20   in 1979   5.30   in 1901  
Snow   0.0   0.0   0.2   -0.2   6.2   in 1944       in    
Snow Depth   0   0           21   in 1956       in    
Month Snow   0.5   T   4.2   -3.7   27.8   in 1956   0.0   in 2011  
Season Snow   34.2   30.8   31.5   +2.7   75.0   in 2005   4.7   in 1998  
    March 20, 2022     Record Record
Observed Daily Data   2022   2021   Norm   Depart   Highest Lowest
Maximum Humidity   98%   79%   87%   +11%   100%   in 2014   47%   in 1959  
Minimum Humidity   60%   33%   47%   +13%   87%   in 1998   16%   in 1991  
Average Humidity   79%   56%   67%   +12%   92%   in 1996   35%   in 1959  
Maximum Barometer   29.76   30.52   30.10   -00.34   30.68   in 1993   29.47   in 1996  
Minimum Barometer   29.65   30.40   29.80   -00.15   30.47   in 2011   28.73   in 1975  
Average Barometer   29.71   30.46   29.95   -00.25   30.57   in 1993   29.23   in 1975  
Average Wind   5.8   5.3   7.8   -2.0   23.3   in 1958   2.1   in 1981  
Direction   WNW   NNW   N       NE         NW        
High Wind Gust   24   24   26   -2   64   in 1958   10   in 2015  
Direction   NW   SW   S       NE         SE        
Maximum Water Temp   45.3   38.7   41.0   +4.3   49.0   in 2012   35.2   in 2015  
Minimum Water Temp   43.2   37.4   38.9   +4.3   46.0   in 2012   33.9   in 2015  
Average Water Temp   44.3   38.1   40.0   +4.2   47.5   in 2012   34.6   in 2015  
Sunrise/ AM Twilight   6:48:20 AM   7:18:56 AM            
Sunset / PM Twilight   6:57:18 PM   7:25:50 PM            
Length Of Day   12:11:48                          
Special Conditions   Dense Fog                              
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Hour-by-Hour Weather For March 20, 2022            
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