Portsmouth Rhode Island Weather Almanac  
Monday, February 21, 2022  
Clear early, Partly Cloudy Day to Clear PM, Much Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2022
    February 21, 2022   Record   Record  
Observed Daily Data   2022   2021   Norm   Depart   Highest   Lowest  
Maximum Temperature   49   33   40   +9   60   in 1930   18   in 1918  
Minimum Temperature   35   21   26   +9   45   in 2018   -2   in 1950  
Average Temperature   42   27   34   +8   50   in 2018   9   in 1950  
 Month Avg Max Temperature   42.3   35.6   38.8   +3.5   44.4   in 1990   23.9   in 1979  
Month Avg Min Temperature   25.1   25.2   24.6   +0.5   30.2   in 1960   8.6   in 1979  
Month Average Temperature   33.7   30.4   32.1   +1.5   36.6   in 1984   16.2   in 1979  
High Heat Index                                      
Low Wind Chill   27   9   13   +14             -26   in 1950  
Heating Degree Days   23   38   31   -8   56   in 1950   15   in 2018  
Month HDD   653   722   690   -37   1020   in 1979   590   in 2018  
Season HDD   3350   3383   3609   -259   4587   in 1918   2970   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   40   15   31   +9   54   in 1989   -7   in 1968  
Minimum Dew Point   26   9   15   +11   44   in 2018   -22   in 1950  
Average  Dew Point   33   12   23   +10   48   in 2018   -12   in 1968  
 Month Avg Max Dew Point   36.4   29.0   29.7   +6.8   40.2   in 2018   6.2   in 1979  
Month Avg Min Dew Point   16.4   15.8   13.2   +3.2   23.0   in 1984   -6.6   in 1979  
Month Average Dew Point   26.4   22.4   23.0   +3.4   30.7   in 2018   -0.2   in 1979  
Precipitation   .00   .00   .13   -.13   3.20   in 1898            
One Hour   .00   .00           .39   in 1989            
Hourly Rate   .00   .00           .45   in 2004            
Month Precipitation   3.95   2.16   2.52   +1.43   6.48   in 1988   .31   in 1912  
Year Precipitation   5.91   4.12   6.19   -.28   12.74   in 1979   2.33   in 1980  
Snow   0.0   0.0   0.4   -0.4   12.2   in 1902       in    
Snow Depth   0   4           23   in 2015       in    
Month Snow   7.5   16.0   7.6   -0.1   26.4   in 2003   0.0   in 2020  
Season Snow   32.2   27.7   24.7   +7.5   61.1   in 1996   3.5   in 1989  
    February 21, 2022     Record Record
Observed Daily Data   2022   2021   Norm   Depart   Highest Lowest
Maximum Humidity   99%   69%   83%   +16%   100%   in 2018   47%   in 1968  
Minimum Humidity   48%   37%   51%   -3%   94%   in 1996   24%   in 1950  
Average Humidity   74%   53%   67%   +6%   97%   in 1996   37%   in 1968  
Maximum Barometer   30.40   30.47   30.16   +00.24   30.67   in 1985   29.66   in 1977  
Minimum Barometer   30.30   30.18   29.82   +00.48   30.30   in 2022   29.18   in 1967  
Average Barometer   30.35   30.33   29.99   +00.36   30.46   in 1990   29.46   in 1967  
Average Wind   7.4   8.0   8.2   -0.8   21.9   in 1953   1.8   in 1994  
Direction   SSW   NNW   WNW       SSW         SSW        
High Wind Gust   28   30   28   -0   64   in 1953   12   in 1994  
Direction   WSW   NNW   WNW       SSW         SSW        
Maximum Water Temp   40.1   37.2   38.2   +1.9   43.0   in 2012   32.0   in 2015  
Minimum Water Temp   38.1   36.1   36.8   +1.3   41.3   in 2012   31.6   in 2015  
Average Water Temp   39.1   36.7   37.5   +1.6   42.2   in 2012   31.8   in 2015  
Sunrise/ AM Twilight   6:31:45 AM   6:02:06 AM            
Sunset / PM Twilight   5:26:05 PM   5:55:16 PM            
Length Of Day   10:57:16                          
Special Conditions   None                              
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