Portsmouth Rhode Island Weather Almanac
Monday, January 25, 2021
Clear to Mostly Cloudy PM, Seasonal Temperatures
Climate Normal Period Climate Record Period  
1991- 2020   1893 - 2021  
    January 25, 2021     Record Record
Observed Daily Data   2021   2020   Norm   Depart   Highest Lowest
Maximum Temperature   37   50   37   +0   54   in 2010   17   in 2004  
Minimum Temperature   20   32   23   -3   44   in 2010   -2   in 1945  
Average Temperature   29   41   30   -1   49   in 2010   8   in 1945  
 Month Avg Max Temperature   40.7   43.1   38.1   +2.6   46.0   in 1913   28.2   in 1970  
Month Avg Min Temperature   28.2   29.2   24.3   +3.9   32.5   in 1932   11.4   in 1981  
Month Average Temperature   34.7   36.4   31.2   +3.5   39.0   in 1932   20.2   in 1981  
Precipitation   .00   .65   .11   -.11   2.65   in 1979            
One Hour   .00   .28           .44   in 1979            
Hourly Rate   .00   2.37           2.37   in 2020            
Month Precipitation   1.59   2.03   3.01   -1.42   11.78   in 1979   .78   in 1955  
Year Precipitation   1.59   2.03   3.01   -1.42   11.78   in 1979   .78   in 1955  
Snow   0.0   0.0   0.4   -0.4   5.1   in 1941            
Month Snow   0.3   3.8   8.0   -7.7   31.4   in 2005   T   in 1986  
Season Snow   8.3   12.2   15.1   -6.8   43.6   in 2005   0.5   in 1928  
Snow Depth   0   0           25   in 2005            
HDD   36   24   35   +1   57   in 1945   16   in 2010  
Month HDD   758   716   845   -86   1120   in 1981   651   in 1932  
Season HDD   2406   2596   2710   -304   3504   in 1918   2130   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   14   49   28   -14   53   in 2010   -8   in 2004  
Minimum Dew Point   3   31   12   -9   43   in 2010   -18   in 1961  
Average  Dew Point   9   40   20   -11   48   in 2010   -12   in 2004  
 Month Avg Max Dew Point   24.9   32.4   30.5   -5.5   36.8   in 1950   13.7   in 1981  
Month Avg Min Dew Point   19.9   20.0   14.4   +5.5   24.3   in 2006   -3.4   in 1981  
Month Average Dew Point   22.5   27.7   22.4   +0.1   31.6   in 2006   5.1   in 1981  
Maximum Humidity   58%   96%   82%   -24%   100%   in 1990   45%   in 1992  
Minimum Humidity   25%   82%   49%   -24%   94%   in 1979   20%   in 1989  
Average Humidity   42%   89%   66%   -24%   97%   in 1979   33%   in 1992  
Maximum Barometer   30.08   30.34   30.18   -00.10   30.81   in 1986   29.37   in 1979  
Minimum Barometer   29.99   29.71   29.76   +00.23   30.34   in 1952   28.63   in 1979  
Average Barometer   30.04   30.03   29.96   +00.08   30.51   in 1952   29.00   in 1979  
Average Wind   8.8   12.7   9.4   -0.6   17.3   in 1964   2.7   in 2011  
Direction   NW   E   WNW       S         WNW        
High Wind Gust   29   33   29   +0   56   in 1964   11   in 2011  
Direction   NNW   ESE   WNW       SW         SW        
High Heat Index                                      
Wind Chill   8   27   13   -5             -21   in 2004  
Maximum Water Temp   39.7   38.0   39.0   +0.7   45.5   in 2007   34.2   in 2003  
Minimum Water Temp   36.9   35.6   36.7   +0.2   43.3   in 2007   30.3   in 2004  
Average Water Temp   38.3   36.8   37.9   +0.4   44.4   in 2007   33.0   in 2004  
Sunrise/ AM Twilight   7:02:04 AM   6:32:25 AM            
Sunset / PM Twilight   4:53:33 PM   5:23:11 PM            
Length Of Day   9:51:29                          
Special Conditions   None                              
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Hour-by-Hour Weather For January 25, 2021  
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