Portsmouth Rhode Island Weather Almanac  
Monday, March 6, 2023  
Clear early then Partly Cloudy, Windy and Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    March 6, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   51   52   43   +8   62   in 1974   22   in 2007  
Minimum Temperature   35   39   28   +7   44   in 1979   8   in 2007  
Average Temperature   43   46   36   +7   51   in 1935   15   in 2007  
 Month Avg Max Temperature   45.5   43.0   41.8   +3.7   54.0   in 1974   28.8   in 1912  
Month Avg Min Temperature   32.3   25.8   27.3   +5.0   37.5   in 1974   14.3   in 1950  
Month Average Temperature   39.0   34.8   35.0   +4.0   46.2   in 1974   22.5   in 1912  
High Heat Index                                      
Low Wind Chill   29   37   18   +11             -12   in 2007  
Heating Degree Days   22   19   29   -7   50   in 2007   14   in 1935  
Month HDD   156   181   180   -24   255   in 1912   113   in 1974  
Season HDD   3466   3751   4006   -540   5021   in 1905   3354   in 2016  
Cooling Degree Days   0   #N/A   #REF!   #REF!   0   in 2023   0   in    
Month CDD                                 in    
Year CDD                                      
Maximum Dew Point   31   50   33   -2   53   in 1959   4   in 2007  
Minimum Dew Point   14   32   17   -3   40   in 2011   -18   in 2007  
Average  Dew Point   23   41   25   -2   44   in 2011   -7   in 2007  
 Month Avg Max Dew Point   35.8   37.0   32.2   +3.7   46.0   in 1991   14.0   in 1978  
Month Avg Min Dew Point   24.8   13.2   16.7   +8.2   31.8   in 1979   -4.3   in 1950  
Month Average Dew Point   30.7   25.1   24.7   +6.0   38.7   in 1991   5.5   in 1980  
Precipitation   .00   .08   .13   -.13   1.42   in 1943            
One Hour   .00   .06           .26   in 1963            
Hourly Rate   .00   .13           .36   in 2004            
Month Precipitation   1.34   .22   .78   +.56   3.20   in 1959   .00   in 1986  
Year Precipitation   10.47   9.61   7.88   +2.59   17.52   in 1979   2.66   in 1980  
Snow   0.0   0.0   0.2   -0.2   8.2   in 2003       in    
Snow Depth   0   0           25   in 2015       in    
Month Snow   0.1   0.0   1.4   -1.3   15.3   in 1960   0.0   in 2022  
Season Snow   9.1   33.7   28.7   -19.6   70.1   in 1996   4.7   in 1998  
    March 6, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   81%   100%   84%   -3%   100%   in 2022   48%   in 2007  
Minimum Humidity   28%   76%   50%   -22%   92%   in 1961   19%   in 2017  
Average Humidity   55%   88%   67%   -12%   96%   in 1961   35%   in 2007  
Maximum Barometer   30.06   30.35   30.14   -00.08   30.71   in 1990   29.46   in 2001  
Minimum Barometer   29.79   29.84   29.78   +00.01   30.45   in 2017   28.80   in 1963  
Average Barometer   29.93   30.10   29.96   -00.03   30.52   in 2014   29.23   in 2001  
Average Wind   10.6   9.7   9.1   +1.5   24.6   in 1962   3.6   in 2016  
Direction   WNW   SW   N       NNE N
High Wind Gust   29   31   28   +1   61   in 1959   15   in 1971  
Direction   NW   SSW   WNW       S W
Maximum Water Temp   42.1   41.4   38.7   +3.4   42.5   in 2008   32.5   in 2015  
Minimum Water Temp   40.5   39.9   36.8   +3.7   40.5   in 2023   30.4   in 2015  
Average Water Temp   41.3   40.7   37.8   +3.5   41.5   in 2008   31.5   in 2015  
Sunrise/ AM Twilight   6:12:03 AM   5:42:14 AM            
Sunset / PM Twilight   5:41:13 PM   6:10:12 PM            
Length Of Day   11:29:10                          
Special Conditions   None                              
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