Portsmouth Rhode Island Weather Almanac
Thursday, February 25, 2021
Partly Cloudy early then Clear, Windy and Continued Warm
Climate Normal Period Climate Record Period  
1991- 2020   1893 - 2021  
    February 25, 2021     Record Record
Observed Daily Data   2021   2020   Norm   Depart   Highest Lowest
Maximum Temperature   47   50   41   +6   61   in 2017   19   in 1934  
Minimum Temperature   35   43   26   +9   46   in 2017   4   in 1914  
Average Temperature   41   47   34   +7   54   in 2017   13   in 1934  
 Month Avg Max Temperature   37.3   43.8   39.2   -1.9   44.9   in 1990   26.8   in 1979  
Month Avg Min Temperature   26.0   30.4   24.8   +1.2   30.5   in 1925   10.6   in 1934  
Month Average Temperature   31.6   37.1   32.4   -0.8   37.5   in 1984   19.3   in 1934  
Precipitation   .00   .03   .13   -.13   2.57   in 1916            
One Hour   .00   .02           .48   in 2011            
Hourly Rate   .00   .00           8.60   in 2016            
Month Precipitation   2.97   2.78   3.04   -.07   6.78   in 1998   .66   in 1947  
Year Precipitation   4.93   4.82   6.71   -1.78   14.83   in 1979   2.64   in 1980  
Snow   0.0   0.0   0.4   -0.4   9.2   in 1999            
Month Snow   16.0   0.0   9.2   +6.8   28.2   in 2015   0.0   in 2020  
Season Snow   27.7   12.2   26.3   +1.4   61.1   in 1996   4.7   in 1998  
Snow Depth   0   0           17   in 2015            
HDD   24   18   31   -7   52   in 1934   11   in 2017  
Month HDD   828   688   814   +14   1136   in 1934   682   in 2018  
Season HDD   3489   3453   3733   -244   4727   in 1918   3061   in 2016  
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   41   45   32   +9   56   in 2016   -1   in 1993  
Minimum Dew Point   15   41   15   +0   45   in 2017   -12   in 1982  
Average  Dew Point   28   43   24   +4   50   in 2017   -4   in 1982  
 Month Avg Max Dew Point   30.6   34.8   30.0   +0.6   40.8   in 2018   11.4   in 1979  
Month Avg Min Dew Point   16.6   21.1   13.5   +3.2   23.7   in 1984   -1.0   in 1979  
Month Average Dew Point   23.6   28.0   24.0   -0.4   31.8   in 2018   5.2   in 1979  
    February 25, 2021     Record Record
Observed Daily Data   2021   2020   Norm   Depart   Highest Lowest
Maximum Humidity   88%   96%   85%   +3%   100%   in 2017   37%   in 1982  
Minimum Humidity   35%   81%   52%   -17%   93%   in 2010   16%   in 1996  
Average Humidity   62%   89%   68%   -7%   97%   in 2010   30%   in 1982  
Maximum Barometer   30.21   29.98   30.06   +00.15   30.58   in 1962   29.49   in 1984  
Minimum Barometer   29.65   29.86   29.67   -00.02   30.33   in 1962   28.74   in 2010  
Average Barometer   29.93   29.92   29.87   +00.06   30.46   in 1962   29.22   in 2010  
Average Wind   11.5   5.3   9.9   +1.6   22.4   in 1956   2.5   in 1980  
Direction   NW   S   WNW       W         NNW        
High Wind Gust   40   15   31   +9   62   in 1909   10   in 1952  
Direction   NW   S   NW       NW         NW        
High Heat Index                                      
Wind Chill   27   39   16   +11             -10   in 1993  
Maximum Water Temp   39.9   37.2   38.7   +1.2   43.8   in 2012   32.5   in 2015  
Minimum Water Temp   38.5   36.2   36.7   +1.8   42.0   in 2012   31.8   in 2015  
Average Water Temp   39.2   36.7   37.7   +1.5   42.9   in 2012   32.2   in 2015  
Sunrise/ AM Twilight   6:24:03 AM   5:56:15 AM            
Sunset / PM Twilight   5:32:07 PM   5:59:55 PM            
Length Of Day   11:08:04                          
Special Conditions   None                              
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