Portsmouth Rhode Island Weather Almanac  
Tuesday, March 29, 2022  
Partly Cloudy early then Clear, Dry, Windy and Continued Very Cold  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2022
    March 29, 2022   Record   Record  
Observed Daily Data   2022   2021   Norm   Depart   Highest   Lowest  
Maximum Temperature   38   52   50   -12   73   in 1946   28   in 1919  
Minimum Temperature   18   39   34   -16   46   in 1998   5   in 1923  
Average Temperature   28   46   42   -14   59   in 1910   18   in 1923  
 Month Avg Max Temperature   49.5   49.1   45.3   +4.2   52.2   in 1946   34.9   in 1916  
Month Avg Min Temperature   32.6   30.9   30.4   +2.1   37.6   in 2012   22.6   in 1916  
Month Average Temperature   41.3   40.2   38.1   +3.2   45.1   in 2012   29.0   in 1916  
High Heat Index                                      
Low Wind Chill   5   35   27   -22             -7   in 1923  
Heating Degree Days   37   19   23   +14   47   in 1923   6   in 1910  
Month HDD   687   718   780   -93   1043   in 1916   576   in 2012  
Season HDD   4257   4285   4606   -349   5652   in 1918   3817   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   15   49   37   -22   56   in 1989   13   in 1966  
Minimum Dew Point   4   21   24   -20   44   in 1998   -4   in 1974  
Average  Dew Point   10   35   31   -21   50   in 1998   7   in 1974  
 Month Avg Max Dew Point   39.2   34.5   34.4   +4.8   41.9   in 2012   24.3   in 1960  
Month Avg Min Dew Point   21.9   17.8   19.9   +2.0   27.6   in 2012   11.2   in 1960  
Month Average Dew Point   30.5   26.1   27.4   +3.1   34.8   in 2012   17.7   in 1960  
Precipitation   .00   .11   .14   -.14   1.80   in 2010            
One Hour   .00   .06           .65   in 1997            
Hourly Rate   .00   .16           1.55   in 2014            
Month Precipitation   3.11   2.88   4.08   -.97   9.61   in 2010   .22   in 1915  
Year Precipitation   12.50   8.38   11.18   +1.32   19.47   in 1979   5.98   in 2012  
Snow   0.0   0.0   0.1   -0.1   5.4   in 1970       in    
Snow Depth   0   0           2   in 2015       in    
Month Snow   0.5   T   5.5   -5.0   31.6   in 1956   0.0   in 1903  
Season Snow   34.2   30.9   32.8   +1.4   78.0   in 2005   5.0   in 1998  
    March 29, 2022     Record Record
Observed Daily Data   2022   2021   Norm   Depart   Highest Lowest
Maximum Humidity   60%   94%   86%   -26%   100%   in 2018   36%   in 2007  
Minimum Humidity   33%   35%   50%   -17%   92%   in 2009   14%   in 2007  
Average Humidity   47%   65%   68%   -21%   96%   in 1993   25%   in 2007  
Maximum Barometer   30.10   30.26   30.10   -00.00   30.74   in 1990   29.46   in 1984  
Minimum Barometer   29.91   29.45   29.81   +00.10   30.43   in 2004   28.96   in 1984  
Average Barometer   30.01   29.86   29.96   +00.05   30.53   in 1990   29.21   in 1984  
Average Wind   12.8   12.6   8.2   +4.6   22.7   in 1984   3.9   in 2018  
Direction   NW   WNW   SSW       ENE         S        
High Wind Gust   30   44   26   +4   52   in 1984   13   in 1973  
Direction   NNW   WNW   SSW       NE         SSE        
Maximum Water Temp   42.3   42.7   42.4   -0.1   46.8   in 2012   38.7   in 2015  
Minimum Water Temp   40.5   40.8   40.1   +0.4   45.7   in 2012   #N/A   in 2015  
Average Water Temp   41.4   41.8   41.2   +0.2   46.3   in 2012   37.3   in 2015  
Sunrise/ AM Twilight   6:33:04 AM   7:03:27 AM            
Sunset / PM Twilight   7:07:10 PM   7:35:54 PM            
Length Of Day   12:34:06                          
Special Conditions   None                              
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