Portsmouth Rhode Island Weather Almanac
Saturday, March 6, 2021
Partly Cloudy early then Clear, Continued Dry, Windy and Cold
Climate Normal Period Climate Record Period  
1991- 2020   1893 - 2021  
    March 6, 2021     Record Record
Observed Daily Data   2021   2020   Norm   Depart   Highest Lowest
Maximum Temperature   36   50   43   -7   62   in 1974   22   in 2007  
Minimum Temperature   23   32   28   -5   44   in 1979   8   in 2007  
Average Temperature   30   41   36   -6   51   in 1935   15   in 2007  
 Month Avg Max Temperature   39.7   50.2   41.8   -2.2   54.0   in 1974   28.8   in 1912  
Month Avg Min Temperature   23.3   33.5   27.3   -4.0   37.5   in 1974   14.3   in 1950  
Month Average Temperature   31.8   42.0   35.0   -3.2   46.2   in 1974   22.5   in 1912  
HDD   35   24   29   +6   50   in 2007   14   in 1935  
Month HDD   199   138   180   +19   255   in 1912   113   in 1974  
Season HDD   3766   3699   4006   -240   5021   in 1905   3354   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   36   33   -19   53   in 1959   4   in 2007  
Minimum Dew Point   10   23   17   -7   40   in 2011   -18   in 2007  
Average  Dew Point   12   30   25   -13   44   in 2011   -7   in 2007  
 Month Avg Max Dew Point   24.0   36.8   32.2   -8.2   46.0   in 1991   14.0   in 1978  
Month Avg Min Dew Point   4.0   22.2   16.7   -12.7   31.8   in 1979   -4.3   in 1950  
Month Average Dew Point   14.0   29.5   24.7   -10.7   38.7   in 1991   5.5   in 1980  
Precipitation   .00   .05   .13   -.13   1.42   in 1943            
One Hour   .00   .00           .26   in 1963            
Hourly Rate   .00   .00           .36   in 2004            
Month Precipitation   .45   .36   .78   -.33   3.20   in 1959   .00   in 1986  
Year Precipitation   5.95   6.17   7.88   -1.93   17.52   in 1979   2.66   in 1980  
Snow   0.0   0.4   0.2   -0.2   8.2   in 2003            
Snow Depth   0   0           25   in 2015            
Month Snow   0.0   0.4   1.4   -1.4   15.3   in 1960   0.0   in 2021  
Season Snow   27.7   12.6   28.7   -1.0   70.1   in 1996   4.7   in 1998  
    March 6, 2021     Record Record
Observed Daily Data   2021   2020   Norm   Depart   Highest Lowest
Maximum Humidity   60%   94%   84%   -24%   100%   in 2004   48%   in 2007  
Minimum Humidity   34%   35%   50%   -16%   92%   in 1961   19%   in 2017  
Average Humidity   47%   65%   67%   -20%   96%   in 1961   35%   in 2007  
Maximum Barometer   30.15   30.10   30.13   +00.02   30.71   in 1990   29.46   in 2001  
Minimum Barometer   29.81   29.77   29.78   +00.03   30.45   in 2017   28.80   in 1963  
Average Barometer   29.98   29.94   29.96   +00.02   30.52   in 2014   29.23   in 2001  
Average Wind   9.9   12.1   9.1   +0.8   24.6   in 1962   3.6   in 2016  
Direction   WNW   E   N       NNE         N        
High Wind Gust   26   39   28   -2   61   in 1959   15   in 1971  
Direction   WNW   NNE   WNW       S         W        
High Heat Index                                      
Wind Chill   13   21   18   -5             -12   in 2007  
Maximum Water Temp   37.6   38.7   38.5   -0.9   42.5   in 2008   32.5   in 2015  
Minimum Water Temp   35.8   37.0   36.6   -0.8   40.5   in 2008   30.4   in 2015  
Average Water Temp   36.7   37.9   37.6   -0.9   41.5   in 2008   31.5   in 2015  
Sunrise/ AM Twilight   6:09:48 AM   5:42:14 AM            
Sunset / PM Twilight   5:42:38 PM   6:10:12 PM            
Length Of Day   11:32:50                          
Special Conditions   None                              
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