Portsmouth Rhode Island Weather Almanac  
Friday, April 15, 2022  
Cloudy, Light Rain early then Clear & Dry, Continued Warm  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2022
    April 15, 2022   Record   Record  
Observed Daily Data   2022   2021   Norm   Depart   Highest   Lowest  
Maximum Temperature   65   51   55   +10   75   in 1941   40   in 2018  
Minimum Temperature   47   40   39   +8   50   in 2012   28   in 1957  
Average Temperature   56   46   47   +9   61   in 1941   35   in 1943  
 Month Avg Max Temperature   57.5   55.9   52.7   +4.9   62.9   in 1945   44.9   in 2003  
Month Avg Min Temperature   41.1   38.3   37.3   +3.8   43.4   in 2010   29.5   in 1982  
Month Average Temperature   49.5   47.3   45.3   +4.3   53.2   in 2010   38.7   in 1907  
High Heat Index                                      
Low Wind Chill   44   36   32   +12             17   in 1957  
Heating Degree Days   9   19   18   -9   30   in 1943   4   in 1941  
Month HDD   232   265   296   -64   394   in 1907   177   in 2010  
Season HDD   4532   4585   4946   -414   6014   in 1918   4106   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   46   42   43   +3   60   in 2019   16   in 1971  
Minimum Dew Point   25   34   29   -4   48   in 2002   4   in 2005  
Average  Dew Point   36   38   36   +0   53   in 2002   13   in 1971  
 Month Avg Max Dew Point   44.8   42.1   40.5   +4.3   47.7   in 2010   30.3   in 1965  
Month Avg Min Dew Point   31.4   28.3   27.0   +4.4   35.7   in 2010   14.0   in 1982  
Month Average Dew Point   38.1   35.2   33.7   +4.4   41.7   in 2010   22.4   in 1982  
Precipitation   .09   .71   .14   -.05   3.29   in 1964            
One Hour   .09   .18           .49   in 1964            
Hourly Rate   .44   .36           5.54   in 2014            
Month Precipitation   1.71   1.56   2.17   -.46   6.74   in 1964   .03   in 1963  
Year Precipitation   14.61   9.98   13.63   +.98   24.99   in 1983   6.69   in 2012  
Snow   0.0   0.0   0.0   +0.0   T   in 2007       in    
Snow Depth   0   0           3   in 1950       in    
Month Snow   0.0   0.0   0.5   -0.5   9.6   in 1996   0.0   in 2022  
Season Snow   34.2   27.5   33.5   +0.7   84.1   in 1996   5.0   in 1998  
    April 15, 2022     Record Record
Observed Daily Data   2022   2021   Norm   Depart   Highest Lowest
Maximum Humidity   94%   96%   85%   +9%   100%   in 2019   47%   in 1976  
Minimum Humidity   23%   56%   46%   -23%   95%   in 1984   14%   in 1959  
Average Humidity   59%   76%   65%   -7%   98%   in 1984   35%   in 1976  
Maximum Barometer   30.10   29.93   30.08   +00.02   30.55   in 2005   29.62   in 2019  
Minimum Barometer   29.93   29.67   29.82   +00.11   30.34   in 2016   29.18   in 1980  
Average Barometer   30.02   29.80   29.95   +00.07   30.43   in 2005   29.43   in 1974  
Average Wind   8.5   5.5   7.8   +0.8   15.3   in 1981   2.9   in 1994  
Direction   NW   SE   SSE       NW         SSE        
High Wind Gust   33   19   26   +7   53   in 2007   14   in 1972  
Direction   SW   SE   SSE       ESE         SSE        
Maximum Water Temp   50.0   47.8   47.0   +3.0   52.6   in 2012   43.2   in 2020  
Minimum Water Temp   47.3   45.9   44.0   +3.3   49.8   in 2012   40.3   in 2018  
Average Water Temp   48.7   46.9   45.5   +3.2   51.2   in 2012   41.8   in 2018  
Sunrise/ AM Twilight   6:05:10 AM   5:34:45 AM            
Sunset / PM Twilight   7:25:40 PM   7:55:34 PM            
Length Of Day   13:20:30                          
Special Conditions   None                              
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