Portsmouth Rhode Island Weather Almanac
Friday, April 16, 2021
Cloudy, Rain, Snow and Fog, Windy and Much Colder
Climate Normal Period Climate Record Period  
1991- 2020   1893 - 2021  
    April 16, 2021     Record Record
Observed Daily Data   2021   2020   Norm   Depart   Highest Lowest
Maximum Temperature   41   50   55   -14   74   in 1941   40   in 1895  
Minimum Temperature   36   35   39   -3   53   in 1985   27   in 1943  
Average Temperature   39   43   48   -9   62   in 1896   36   in 1943  
 Month Avg Max Temperature   54.9   53.3   52.8   +2.1   61.9   in 1945   45.2   in 1907  
Month Avg Min Temperature   38.1   38.8   37.4   +0.7   43.2   in 2010   29.7   in 1982  
Month Average Temperature   46.8   46.3   45.4   +1.4   52.7   in 2010   38.8   in 1907  
HDD   26   22   17   +9   29   in 1943   3   in 1896  
Month HDD   291   300   313   -22   419   in 1907   197   in 2010  
Season HDD   4611   4525   4963   -352   6028   in 1918   4111   in 2012  
CDD   0   0   0   +0   0   in     0   in    
Month CDD   0   0   0   +0   0   in     0   in    
Year CDD   0   0   0   +0   0   in     0   in    
Maximum Dew Point   39   36   43   -4   61   in 2000   26   in 1977  
Minimum Dew Point   34   17   30   +4   49   in 2012   11   in 1992  
Average  Dew Point   37   27   36   +1   54   in 2012   21   in 1992  
 Month Avg Max Dew Point   41.9   42.1   40.6   +1.3   47.3   in 2010   30.3   in 1975  
Month Avg Min Dew Point   28.7   29.4   27.2   +1.5   35.6   in 2010   14.6   in 1992  
Month Average Dew Point   35.3   35.8   33.9   +1.4   41.4   in 2010   22.8   in 1992  
Precipitation   1.03   .00   .14   +.89   2.29   in 1961            
One Hour   .11   .00           .57   in 1961            
Hourly Rate   .18   .00           2.64   in 2018            
Month Precipitation   2.59   2.93   2.31   +.28   6.74   in 1964   .03   in 1963  
Year Precipitation   11.01   13.69   13.77   -2.76   25.62   in 1983   6.69   in 2012  
Snow   T   0.0   0.0   +0.0   2.0   in 1992            
Snow Depth   0   0           T   in 1950            
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 16, 2021     Record Record
Observed Daily Data   2021   2020   Norm   Depart   Highest Lowest
Maximum Humidity   96%   84%   89%   +7%   100%   in 2018   49%   in 1977  
Minimum Humidity   87%   33%   50%   +37%   96%   in 1984   20%   in 1959  
Average Humidity   92%   59%   69%   +22%   98%   in 1984   37%   in 1977  
Maximum Barometer   29.67   30.15   30.07   -00.40   30.61   in 2005   29.30   in 2007  
Minimum Barometer   29.39   29.95   29.77   -00.38   30.39   in 2016   28.85   in 2007  
Average Barometer   29.53   30.05   29.92   -00.39   30.50   in 2005   29.08   in 2007  
Average Wind   12.7   10.6   8.6   +4.1   20.0   in 1956   3.6   in 2008  
Wind Direction   NW   NW   NNE       S         WSW        
High Wind Gust   45   30   27   +18   58   in 1956   13   in 2002  
Gust Direction   NW   W   NE       S         SSW        
High Heat Index                                      
Wind Chill   26   30   33   -7             17   in 1981  
Maximum Water Temp   46.4   43.2   46.9   -0.5   53.9   in 2012   41.4   in 2018  
Minimum Water Temp   44.6   41.5   43.9   +0.7   49.5   in 2012   40.0   in 2003  
Average Water Temp   45.5   42.4   45.4   +0.1   51.7   in 2012   40.8   in 2018  
Sunrise/ AM Twilight   6:01:36 AM   5:32:44 AM            
Sunset / PM Twilight   7:27:53 PM   7:56:44 PM            
Length Of Day   13:24:17                          
Special Conditions   Fog                                  
Comments      
Hour-by-Hour Weather For April 16, 2021  
Climate Weather for April 16  
Weather History For April 16  
Weather Calendar  
Back To Weather Stat Page  
Home