Portsmouth Rhode Island Weather Almanac  
Thursday, March 10, 2022  
Partly Cloudy & Light Fog early then Clear, Light Winds and Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2022
    March 10, 2022   Record   Record  
Observed Daily Data   2022   2021   Norm   Depart   Highest   Lowest  
Maximum Temperature   49   48   44   +5   67   in 2016   27   in 2003  
Minimum Temperature   28   31   29   -1   51   in 2016   9   in 1984  
Average Temperature   39   40   37   +2   59   in 2016   18   in 1984  
 Month Avg Max Temperature   45.8   42.4   42.4   +3.4   52.8   in 1974   32.0   in 1916  
Month Avg Min Temperature   29.6   24.7   27.9   +1.7   36.7   in 1974   16.8   in 1950  
Month Average Temperature   38.1   33.9   35.5   +2.6   45.1   in 1974   25.7   in 1978  
High Heat Index                                      
Low Wind Chill   27   30   18   +9             -6   in 1929  
Heating Degree Days   26   25   28   -2   47   in 1984   6   in 2016  
Month HDD   269   311   295   -26   393   in 1978   199   in 1974  
Season HDD   3839   3878   4121   -282   5140   in 1918   3422   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   36   36   33   +3   52   in 2002   0   in 1984  
Minimum Dew Point   25   25   18   +7   45   in 2016   -6   in 1987  
Average  Dew Point   31   31   26   +5   48   in 2016   -3   in 1984  
 Month Avg Max Dew Point   39.1   25.6   32.5   +6.6   40.1   in 1998   16.7   in 1978  
Month Avg Min Dew Point   18.0   9.1   17.2   +0.8   30.3   in 1998   -0.8   in 1950  
Month Average Dew Point   28.6   17.4   25.2   +3.4   35.2   in 1998   11.8   in 1978  
Precipitation   .00   .00   .14   -.14   2.44   in 1994            
One Hour   .00   .00           .29   in 1994            
Hourly Rate   .00   .00           .65   in 2019            
Month Precipitation   .59   .45   1.31   -.72   5.08   in 1994   .00   in 1894  
Year Precipitation   9.98   5.95   8.41   +1.57   18.83   in 1979   2.98   in 1980  
Snow   0.0   0.0   0.2   -0.2   5.3   in 2017       in    
Snow Depth   1   0           15   in 2015       in    
Month Snow   0.5   T   2.2   -1.7   18.4   in 1941   0.0   in 2011  
Season Snow   34.2   30.7   29.5   +4.7   74.5   in 1996   4.7   in 1998  
    March 10, 2022     Record Record
Observed Daily Data   2022   2021   Norm   Depart   Highest Lowest
Maximum Humidity   94%   91%   83%   +11%   100%   in 2019   45%   in 1987  
Minimum Humidity   48%   50%   48%   -0%   96%   in 1994   19%   in 1995  
Average Humidity   71%   71%   66%   +5%   98%   in 1994   37%   in 1987  
Maximum Barometer   30.18   30.57   30.14   +00.04   30.88   in 1996   29.37   in 1969  
Minimum Barometer   30.02   30.42   29.83   +00.20   30.68   in 1996   29.09   in 1969  
Average Barometer   30.10   30.50   29.98   +00.12   30.78   in 1996   29.23   in 1969  
Average Wind   3.7   5.6   8.4   -4.7   17.2   in 1987   2.9   in 2015  
Direction   NW   SSE   NW       N         S        
High Wind Gust   14   18   26   -12   52   in 1974   12   in 1952  
Direction   SSE   SW   NW       NW         SW        
Maximum Water Temp   42.1   40.0   39.4   +2.7   44.0   in 2012   35.0   in 2003  
Minimum Water Temp   40.6   37.4   37.7   +2.9   42.3   in 1998   33.0   in 2005  
Average Water Temp   41.4   38.7   38.6   +2.7   43.1   in 2012   34.3   in 2005  
Sunrise/ AM Twilight   6:05:06 AM   5:35:43 AM            
Sunset / PM Twilight   5:46:05 PM   6:14:42 PM            
Length Of Day   11:43:58                          
Special Conditions   Fog                                  
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