Portsmouth Rhode Island Weather Almanac  
Wednesday, March 9, 2022  
Mostly Cloudy early then Cloudy, Wet Snow & Fog, Light Winds and Much Colder  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2022
    March 9, 2022   Record   Record  
Observed Daily Data   2022   2021   Norm   Depart   Highest   Lowest  
Maximum Temperature   38   61   43   -5   61   in 2021   23   in 1996  
Minimum Temperature   31   33   29   +2   45   in 1921   7   in 2007  
Average Temperature   35   47   36   -1   51   in 2020   17   in 1996  
 Month Avg Max Temperature   45.4   41.8   42.2   +3.2   53.8   in 1974   31.2   in 1916  
Month Avg Min Temperature   29.8   24.0   27.8   +2.0   37.6   in 1974   16.8   in 1950  
Month Average Temperature   38.0   33.2   35.3   +2.7   46.0   in 1974   24.8   in 1978  
High Heat Index                                      
Low Wind Chill   26   30   18   +8             -8   in 2005  
Heating Degree Days   30   18   29   +1   48   in 1996   14   in 2020  
Month HDD   243   286   267   -24   362   in 1978   171   in 1974  
Season HDD   3813   3853   4093   -280   5114   in 1905   3416   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   33   32   33   +0   51   in 1998   4   in 1991  
Minimum Dew Point   19   24   18   +1   41   in 2002   -15   in 2007  
Average  Dew Point   26   28   26   +0   46   in 2002   -1   in 1991  
 Month Avg Max Dew Point   39.4   24.4   32.4   +7.0   40.9   in 2008   15.2   in 1978  
Month Avg Min Dew Point   17.2   7.3   17.1   +0.1   32.0   in 1998   -0.9   in 1950  
Month Average Dew Point   28.3   15.9   25.1   +3.2   35.6   in 1998   10.2   in 1978  
Precipitation   .35   .00   .13   +.22   1.95   in 1998            
One Hour   .00   .00           .41   in 1998            
Hourly Rate   .00   .00           .26   in 2012            
Month Precipitation   .59   .45   1.17   -.58   4.38   in 2018   .00   in 1894  
Year Precipitation   9.98   5.95   8.27   +1.71   18.83   in 1979   2.98   in 1980  
Snow   0.5   0.0   0.2   +0.3   6.1   in 1928       in    
Snow Depth   0   0           19   in 2015       in    
Month Snow   0.5   T   2.0   -1.5   18.4   in 1941   0.0   in 2017  
Season Snow   34.2   30.7   29.3   +4.9   74.5   in 1996   4.7   in 1998  
    March 9, 2022     Record Record
Observed Daily Data   2022   2021   Norm   Depart   Highest Lowest
Maximum Humidity   97%   79%   85%   +12%   100%   in 2003   40%   in 1991  
Minimum Humidity   57%   29%   48%   +9%   93%   in 1998   16%   in 1991  
Average Humidity   77%   54%   66%   +11%   97%   in 1998   28%   in 1991  
Maximum Barometer   30.21   30.44   30.16   +00.05   31.01   in 1942   29.19   in 1957  
Minimum Barometer   29.89   30.19   29.79   +00.10   30.58   in 2011   28.93   in 1957  
Average Barometer   30.05   30.32   29.97   +00.08   30.64   in 2011   29.06   in 1957  
Average Wind   4.7   8.2   8.4   -3.7   16.9   in 1950   2.6   in 2004  
Direction   NW   NW   NW       SE         SE        
High Wind Gust   20   25   27   -7   48   in 2017   11   in 2004  
Direction   SSW   WSW   NW       W         SW        
Maximum Water Temp   42.3   39.3   39.1   +3.2   45.2   in 2012   32.2   in 2017  
Minimum Water Temp   40.5   36.4   37.4   +3.1   43.7   in 2012   32.5   in 2005  
Average Water Temp   41.4   37.9   38.5   +2.9   44.5   in 2012   33.6   in 2005  
Sunrise/ AM Twilight   6:06:45 AM   5:37:21 AM            
Sunset / PM Twilight   5:44:57 PM   6:13:35 PM            
Length Of Day   11:41:10                          
Special Conditions   Dense Fog                              
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