Portsmouth Rhode Island Weather Almanac  
Tuesday, March 5, 2024  
Cloudy, Rain and Fog, Continued Warm   PASTE VALUES
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2024
    March 5, 2024   Record   Record  
Observed Daily Data   2024   2023   Norm   Depart   Highest   Lowest  
Maximum Temperature   47   48   42   +5   62   in 1974   23   in 1926  
Minimum Temperature   39   27   28   +11   45   in 1974   6   in 1948  
Average Temperature   43   38   35   +8   54   in 1974   15   in 1948  
 Month Avg Max Temperature   49.4   44.4   41.6   +7.8   54.6   in 1991   28.2   in 1912  
Month Avg Min Temperature   36.6   31.8   27.2   +9.4   38.0   in 1974   12.4   in 1950  
Month Average Temperature   43.2   38.2   34.8   +8.4   46.0   in 1991   22.2   in 1912  
High Heat Index                   #N/A   in #N/A            
Low Wind Chill   29   26   18   +11             -11   in 1948  
Heating Degree Days   22   27   30   -8   50   in 1948   11   in 1974  
Month Heating DD   109   134   151   -42   214   in 1912   95   in 1991  
Season Heating DD   3656   3444   4008   -352   4987   in 1905   3324   in 2016  
Cooling Degree Days   0   0   0   +0       in     0   in Many  
Month Cooling DD   0   0   0   +0   3   in 2022   0   in Many  
Year Cooling DD   726   784   609   +117   871   in 2020   290   in 1902  
Maximum Dew Point   47   36   32   +15   51   in 2008   -1   in 2017  
Minimum Dew Point   38   25   17   +21   39   in 1979   -8   in 2017  
Average  Dew Point   43   31   25   +18   44   in 1979   -5   in 2017  
 Month Avg Max Dew Point   44.4   36.8   32.0   +12.4   46.2   in 1991   10.2   in 1980  
Month Avg Min Dew Point   32.4   27.0   16.6   +15.8   33.2   in 1991   -6.0   in 1980  
Month Average Dew Point   38.6   31.9   24.6   +14.0   39.7   in 1991   2.1   in 1980  
Precipitation   .18   .00   .13   +.05   2.00   in 2001            
One Hour Rain   .03   .00           .48   in 1952            
Half Hour Rain   .00   .00           .16   in 2008            
Hourly Rain Rate   ..08   .00           4.54   in 2008            
Month Precipitation   2.00   1.34   .65   +1.35   3.06   in 2018   .00   in 1990  
Year Precipitation   11.56   10.47   7.88   +3.68   17.45   in 1979   2.66   in 1980  
Snow   0.0   0.0   0.2   -0.2   8.5   in 2015            
Snow Depth   0   0   1   -1   18   in 2015            
Month Snow   0.0   0.1   1.2   -1.2   15.3   in 1960   0.0   in 2024  
Season Snow   12.7   9.1   28.8   -16.1   70.1   in 1996   4.7   in 1998  
    March 5, 2024     Record Record
Observed Daily Data   2024   2023   Norm   Depart   Highest Lowest
Maximum Humidity   99%   96%   85%   +14%   100%   in 2004   44%   in 2017  
Minimum Humidity   97%   54%   52%   +45%   97%   in 2024   17%   in 2017  
Average Humidity   98%   75%   68%   +30%   98%   in 2024   31%   in 2017  
Maximum Barometer   30.38   30.07   30.13   +00.25   30.89   in 1904   29.68   in 1968  
Minimum Barometer   30.02   29.98   29.77   +00.25   30.41   in 2017   29.08   in 2001  
Average Barometer   30.20   30.03   29.95   +00.25   30.45   in 2017   29.53   in 2001  
Average Wind   6.6   7.8   8.7   -2.1   23.6   in 1971   3.3   in 1998  
Direction   NE   NW   WNW       WNW         NW        
High Wind Gust   24   30   28   -4   56   in 1964   10   in 1967  
Direction   SSW   NW   NW       SSW         E        
Maximum Water Temp   42.8   43.1   39.0   +3.8   43.3   in 2008   32.6   in 2015  
Minimum Water Temp   42.4   41.2   37.1   +5.3   42.4   in 2024   31.4   in 2015  
Average Water Temp   42.6   42.2   38.1   +4.5   42.6   in 2024   32.0   in 2015  
Sunrise/ AM Twilight   6:12:26 AM   5:43:51 AM            
Sunset / PM Twilight   5:40:56 PM   6:09:04 PM            
Length Of Day   11:28:30                          
Special Conditions   Fog                                  
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