Portsmouth Rhode Island Weather Almanac
Saturday, April 24, 2021
Clear early, Partly Cloudy Day to Cloudy PM, Much Warmer
Climate Normal Period Climate Record Period  
1991- 2020   1893 - 2021  
    April 24, 2021     Record Record
Observed Daily Data   2021   2020   Norm   Depart   Highest Lowest
Maximum Temperature   69   44   58   +11   74   in 2008   44   in 2020  
Minimum Temperature   46   40   42   +4   51   in 2008   28   in 1930  
Average Temperature   58   42   50   +8   63   in 2008   36   in 1930  
 Month Avg Max Temperature   56.4   51.8   54.2   +2.3   62.3   in 1976   46.9   in 1907  
Month Avg Min Temperature   38.6   37.4   38.5   +0.1   43.1   in 2012   32.2   in 1943  
Month Average Temperature   47.8   44.8   46.7   +1.1   52.3   in 2010   40.4   in 1907  
HDD   7   23   15   -8   29   in 1930   2   in 2008  
Month HDD   413   484   440   -27   591   in 1907   306   in 2010  
Season HDD   4733   4709   5090   -357   6167   in 1904   4191   in 2012  
CDD   0   0   0   +0   0   in     0   in    
Month CDD   0   0   0   +0   13   in 1976   0   in    
Year CDD   0   0   0   +0   13   in 1976   0   in    
Maximum Dew Point   42   43   46   -4   62   in 1987   21   in 1989  
Minimum Dew Point   29   37   33   -4   47   in 2011   14   in 1962  
Average  Dew Point   36   40   39   -3   54   in 2011   20   in 1989  
 Month Avg Max Dew Point   42.2   41.2   41.9   +0.3   48.3   in 1987   33.0   in 1965  
Month Avg Min Dew Point   29.5   28.3   28.6   +0.9   36.3   in 2010   18.1   in 1982  
Month Average Dew Point   35.9   34.8   35.3   +0.6   41.4   in 2010   26.7   in 1982  
Precipitation   .00   .46   .14   -.14   2.66   in 1983            
One Hour   .00   .10           .44   in 1983            
Hourly Rate   .00   .23           .45   in 2005            
Month Precipitation   2.68   4.44   3.43   -.75   11.85   in 1983   .46   in 1963  
Year Precipitation   11.10   15.20   14.89   -3.79   31.12   in 1983   7.48   in 1985  
Snow   0.0   0.0   0.0   +0.0   0.0   in              
Snow Depth   0   0           0   in              
Month Snow   T   T   0.5   -0.5   9.6   in 1996   0.0   in 2019  
Season Snow   27.7   12.9   33.5   -5.8   84.1   in 1996   5.0   in 1998  
    April 24, 2021     Record Record
Observed Daily Data   2021   2020   Norm   Depart   Highest Lowest
Maximum Humidity   66%   95%   86%   -20%   100%   in 2011   43%   in 1982  
Minimum Humidity   28%   77%   51%   -23%   93%   in 1969   20%   in 1978  
Average Humidity   47%   86%   68%   -21%   96%   in 1969   35%   in 1982  
Maximum Barometer   29.95   30.00   29.99   -00.04   30.47   in 2018   29.42   in 1971  
Minimum Barometer   29.89   29.69   29.73   +00.16   30.26   in 2018   29.03   in 1981  
Average Barometer   29.92   29.85   29.86   +00.06   30.37   in 2018   29.27   in 1981  
Average Wind   8.2   10.8   7.7   +0.5   15.3   in 2014   3.3   in 1981  
Wind Direction   SW   N   SW       NW         NE        
High Wind Gust   31   31   25   +6   42   in 1983   15   in 1967  
Gust Direction   SW   N   SW       SSE         WNW        
High Heat Index                                      
Wind Chill   44   34   36   +8             22   in 1956  
Maximum Water Temp   50.2   41.0   48.7   +1.5   54.5   in 2007   41.0   in 2020  
Minimum Water Temp   47.5   39.7   45.7   +1.8   50.5   in 2012   39.7   in 2020  
Average Water Temp   48.9   40.4   47.2   +1.6   51.5   in 2007   40.4   in 2020  
Sunrise/ AM Twilight   5:49:45 AM   5:20:13 AM            
Sunset / PM Twilight   7:36:33 PM   8:06:05 PM            
Length Of Day   13:44:54                          
Special Conditions   None                              
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