Portsmouth Rhode Island Weather Almanac  
Friday, February 4, 2022  
Cloudy, Warm & Heavy Rain AM  to Freezing Rain to Light Snow PM, Windy  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2022
    February 4, 2022   Record   Record  
Observed Daily Data   2022   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   52   40   38   +14   58   in 1991   13   in 1996  
Minimum Temperature   25   29   24   +1   42   in 2016   -1   in 1918  
Average Temperature   39   35   31   +8   48   in 2016   9   in 1996  
 Month Avg Max Temperature   45.0   37.5   37.5   +7.5   53.8   in 2016   19.3   in 1971  
Month Avg Min Temperature   27.3   28.8   23.5   +3.8   38.5   in 2016   4.5   in 1971  
Month Average Temperature   36.1   33.1   31.0   +5.1   46.1   in 2016   11.9   in 1971  
High Heat Index                                      
Low Wind Chill   15   23   10   +5             -16   in 1978  
Heating Degree Days   26   30   34   -8   56   in 1996   17   in 2016  
Month HDD   114   126   136   -22   211   in 1971   75   in 2016  
Season HDD   2811   2787   3055   -244   3958   in 1918   2366   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   51   26   29   +22   53   in 2016   -5   in 1996  
Minimum Dew Point   24   23   12   +12   41   in 1984   -15   in 1978  
Average  Dew Point   38   25   21   +17   46   in 2016   -10   in 1978  
 Month Avg Max Dew Point   41.5   31.8   28.0   +13.5   46.3   in 2016   1.3   in 1971  
Month Avg Min Dew Point   23.5   23.3   11.8   +11.8   32.8   in 2016   -11.3   in 1980  
Month Average Dew Point   32.5   27.5   21.0   +11.5   39.5   in 2016   -3.6   in 1980  
Precipitation   1.66   T   .11   +1.55   2.46   in 1961            
One Hour   .34   .00           .34   in 2022            
Hourly Rate   .95   .00           1.06   in 2006            
Month Precipitation   1.74   .71   .44   +1.30   3.16   in 1970   .00   in 2019  
Year Precipitation   3.70   2.67   4.11   -.41   12.07   in 1979   1.00   in 1955  
Snow   0.1   T   0.3   -0.2   17.9   in 1961       in    
Snow Depth   6   2           24   in 1898       in    
Month Snow   0.1   4.4   1.2   -1.1   17.9   in 1961   0.0   in 2020  
Season Snow   24.8   16.1   18.3   +6.5   51.0   in 1996   1.5   in 1989  
    February 4, 2022     Record Record
Observed Daily Data   2022   2021   Norm   Depart   Highest Lowest
Maximum Humidity   99%   77%   84%   +15%   100%   in 2018   50%   in 1981  
Minimum Humidity   92%   56%   52%   +40%   94%   in 1984   22%   in 2007  
Average Humidity   96%   67%   68%   +28%   97%   in 1984   37%   in 2007  
Maximum Barometer   30.07   29.87   30.15   -00.08   30.75   in 1975   29.50   in 1954  
Minimum Barometer   29.83   29.57   29.77   +00.06   30.45   in 1963   28.72   in 1995  
Average Barometer   29.95   29.72   29.96   -00.01   30.58   in 1975   29.39   in 1972  
Average Wind   11.8   7.4   8.2   +3.6   21.8   in 1961   1.4   in 1966  
Direction   N   NW   NW       NE         ENE        
High Wind Gust   30   23   26   +4   55   in 1972   9   in 1966  
Direction   N   NW   NW       SSE         E        
Maximum Water Temp   41.2   40.5   38.7   +2.5   44.1   in 2016   35.6   in 2018  
Minimum Water Temp   40.3   39.7   37.1   +3.2   43.0   in 2016   32.6   in 2018  
Average Water Temp   40.8   40.1   37.9   +2.8   43.6   in 2016   34.1   in 2018  
Sunrise/ AM Twilight   6:53:37 AM   6:23:22 AM            
Sunset / PM Twilight   5:04:49 PM   5:35:05 PM            
Length Of Day   10:13:52                          
Special Conditions   Fog, Freezing Rain                          
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