Portsmouth Rhode Island Weather Almanac  
Sunday, March 5, 2023  
Partly Cloudy and Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    March 5, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   48   41   42   +6   62   in 1974   23   in 1926  
Minimum Temperature   27   22   28   -1   45   in 1974   6   in 1948  
Average Temperature   38   32   35   +3   54   in 1974   15   in 1948  
 Month Avg Max Temperature   44.4   41.2   41.6   +2.8   54.6   in 1991   28.2   in 1912  
Month Avg Min Temperature   31.8   23.2   27.2   +4.6   38.0   in 1974   12.4   in 1950  
Month Average Temperature   38.2   32.6   34.8   +3.4   46.0   in 1991   22.2   in 1912  
High Heat Index                                      
Low Wind Chill   26   19   18   +8             -11   in 1948  
Heating Degree Days   27   33   30   -3   50   in 1948   11   in 1974  
Month HDD   134   162   151   -17   214   in 1912   95   in 1991  
Season HDD   3444   3732   3977   -533   4987   in 1905   3324   in 2016  
Cooling Degree Days   0   #N/A   #REF!   #REF!   0   in 2023   0   in    
Month CDD                                 in    
Year CDD                                      
Maximum Dew Point   36   32   32   +4   51   in 2008   -1   in 2017  
Minimum Dew Point   25   13   17   +8   39   in 1979   -8   in 2017  
Average  Dew Point   31   23   25   +6   44   in 1979   -5   in 2017  
 Month Avg Max Dew Point   36.8   34.4   32.0   +4.8   46.2   in 1991   10.2   in 1980  
Month Avg Min Dew Point   27.0   9.4   16.6   +10.4   33.2   in 1991   -6.0   in 1980  
Month Average Dew Point   32.2   21.9   24.6   +7.6   39.7   in 1991   2.1   in 1980  
Precipitation   .00   .00   .13   -.13   2.00   in 2001            
One Hour   .00   .00           .48   in 1952            
Hourly Rate   .00   .00           4.54   in 2008            
Month Precipitation   1.34   .14   .65   +.69   3.06   in 2018   .00   in 1990  
Year Precipitation   10.47   9.53   7.75   +2.72   17.45   in 1979   2.66   in 1980  
Snow   0.0   0.0   0.2   -0.2   8.5   in 2015       in    
Snow Depth   0   0           18   in 2015       in    
Month Snow   0.1   0.0   1.2   -1.1   15.3   in 1960   0.0   in 2022  
Season Snow   9.1   33.7   28.5   -19.4   70.1   in 1996   4.7   in 1998  
    March 5, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   96%   76%   85%   +11%   100%   in 2004   44%   in 2017  
Minimum Humidity   54%   34%   51%   +3%   89%   in 1966   17%   in 2017  
Average Humidity   75%   55%   68%   +7%   95%   in 1966   31%   in 2017  
Maximum Barometer   30.07   30.54   30.12   -00.05   30.89   in 1904   29.68   in 1968  
Minimum Barometer   29.98   30.35   29.77   +00.21   30.41   in 2017   29.08   in 2001  
Average Barometer   30.03   30.45   29.95   +00.08   30.45   in 2017   29.53   in 2001  
Average Wind   7.8   5.1   8.7   -0.9   23.6   in 1971   3.3   in 1998  
Direction   NW   NW   WNW       WNW NW
High Wind Gust   30   24   28   +2   56   in 1964   10   in 1967  
Direction   NW   SW   NW       SSW E
Maximum Water Temp   43.1   40.5   38.8   +4.3   43.3   in 2008   32.6   in 2015  
Minimum Water Temp   41.2   38.8   36.9   +4.3   41.2   in 2023   31.4   in 2015  
Average Water Temp   42.2   39.7   37.9   +4.2   42.2   in 2023   32.0   in 2015  
Sunrise/ AM Twilight   6:13:40 AM   5:43:51 AM            
Sunset / PM Twilight   5:40:04 PM   6:09:04 PM            
Length Of Day   11:26:24                          
Special Conditions   None                              
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