Portsmouth Rhode Island Weather Almanac  
Tuesday, March 15, 2022  
Partly Cloudy to Mostly Cloudy PM, Very Warm  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2022
    March 15, 2022   Record   Record  
Observed Daily Data   2022   2021   Norm   Depart   Highest   Lowest  
Maximum Temperature   59   30   45   +14   62   in 1990   25   in 1932  
Minimum Temperature   41   17   30   +11   47   in 1913   10   in 1993  
Average Temperature   50   24   38   +12   54   in 1913   18   in 1993  
 Month Avg Max Temperature   47.0   44.7   43.1   +3.9   52.1   in 2020   33.0   in 1916  
Month Avg Min Temperature   29.2   26.7   28.5   +0.7   37.1   in 1973   19.5   in 1950  
Month Average Temperature   38.4   36.1   36.1   +2.3   44.6   in 1973   27.4   in 1916  
High Heat Index                                      
Low Wind Chill   36   3   21   +15             -6   in 1993  
Heating Degree Days   15   41   27   -12   47   in 1993   11   in 1913  
Month HDD   399   434   433   -34   564   in 1916   306   in 1973  
Season HDD   3969   4001   4259   -290   5309   in 1905   3514   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   41   6   34   +7   52   in 2002   6   in 2021  
Minimum Dew Point   33   -6   20   +13   42   in 2016   -10   in 1993  
Average  Dew Point   37   0   27   +10   46   in 2019   -1   in 1993  
 Month Avg Max Dew Point   38.6   30.5   33.0   +5.6   40.9   in 1973   18.9   in 1960  
Month Avg Min Dew Point   18.4   17.3   17.9   +0.5   29.6   in 1973   3.7   in 1980  
Month Average Dew Point   28.5   23.9   25.8   +2.7   35.3   in 1973   13.4   in 1960  
Precipitation   .00   .00   .14   -.14   3.00   in 1912            
One Hour   .00   .00           .39   in 1978            
Hourly Rate   .00   .00           .34   in 2010            
Month Precipitation   1.23   .45   2.01   -.78   5.49   in 1983   .04   in 1915  
Year Precipitation   10.62   5.95   9.11   +1.51   19.20   in 1979   4.43   in 1980  
Snow   0.0   0.0   0.2   -0.2   8.1   in 1999       in    
Snow Depth   0   0           12   in 1939       in    
Month Snow   0.5   T   3.2   -2.7   18.9   in 1941   0.0   in 2011  
Season Snow   34.2   30.7   30.5   +3.7   75.0   in 2005   4.7   in 1998  
    March 15, 2022     Record Record
Observed Daily Data   2022   2021   Norm   Depart   Highest Lowest
Maximum Humidity   87%   51%   86%   +1%   100%   in 2002   47%   in 1974  
Minimum Humidity   44%   21%   51%   -7%   95%   in 2016   19%   in 2020  
Average Humidity   66%   36%   68%   -3%   97%   in 2016   36%   in 2021  
Maximum Barometer   30.32   30.29   30.07   +00.25   30.73   in 1968   29.41   in 1958  
Minimum Barometer   30.10   30.06   29.74   +00.36   30.52   in 1968   29.18   in 1958  
Average Barometer   30.21   30.18   29.90   +00.31   30.63   in 1968   29.30   in 1958  
Average Wind   5.8   14.3   9.3   -3.5   17.3   in 1980   1.8   in 1995  
Direction   SW   NNW   WNW       WNW         ESE        
High Wind Gust   20   37   29   -9   48   in 1980   9   in 1995  
Direction   W   NW   WNW       W         SSW        
Maximum Water Temp   43.3   38.5   40.4   +2.9   46.2   in 2012   36.4   in 2015  
Minimum Water Temp   41.0   36.9   38.4   +2.6   45.0   in 2012   34.2   in 2003  
Average Water Temp   42.2   37.7   39.4   +2.8   45.6   in 2012   35.4   in 2015  
Sunrise/ AM Twilight   6:56:46 AM   7:27:26 AM            
Sunset / PM Twilight   6:51:44 PM   7:20:15 PM            
Length Of Day   11:57:49                          
Special Conditions   None                              
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Hour-by-Hour Weather For March 15, 2022            
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