Portsmouth Rhode Island Weather Almanac  
Thursday, February 1, 2024  
Cloudy, Much Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2024
    February 1, 2024   Record   Record  
Observed Daily Data   2024   2023   Norm   Depart   Highest   Lowest  
Maximum Temperature   44   33   37   +7   57   in 2012   14   in 1971  
Minimum Temperature   33   21   23   +10   43   in 2016   -5   in 1920  
Average Temperature   39   27   31   +8   49   in 2016   8   in 1920  
 Month Avg Max Temperature   44.0   33.0   37.0   +7.0   57.0   in 2012   14.0   in 1971  
Month Avg Min Temperature   33.0   21.0   23.0   +10.0   43.0   in 2016   -5.0   in 1920  
Month Average Temperature   39.0   27.0   31.0   +8.0   49.0   in 2016   8.0   in 1920  
High Heat Index                   #N/A   in #N/A            
Low Wind Chill   31   13   9   +22             -22   in 1920  
Heating Degree Days   26   38   34   -8   57   in 1920   16   in 2016  
Month Heating DD   26   38   34   -8   57   in 1920   16   in 2016  
Season Heating DD   2693   2532   2953   -260   3820   in 1918   2307   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   37   20   27   +10   56   in 1951   -5   in 1971  
Minimum Dew Point   29   10   11   +18   36   in 2012   -21   in 1961  
Average  Dew Point   33   15   19   +14   42   in 1988   -10   in 1961  
 Month Avg Max Dew Point   37.0   20.0   27.0   +10.0   56.0   in 1951   -5.0   in 1971  
Month Avg Min Dew Point   29.0   10.0   11.0   +18.0   36.0   in 2012   -21.0   in 1961  
Month Average Dew Point   33.0   15.0   19.0   +14.0   41.5   in 1988   -9.5   in 1961  
Precipitation   .00   T   .11   -.11   1.92   in 1915            
One Hour Rain   .00   .00           .63   in 1982            
Half Hour Rain   .00   .00           .22   in 2008            
Hourly Rain Rate   .00   .00           1.15   in 2008            
Month Precipitation   .00   T   .11   -.11   1.92   in 1915   .00   in 2024  
Year Precipitation   6.75   7.19   3.78   +2.97   12.07   in 1979   .93   in 1955  
Snow   0.0   T   0.3   -0.3   15.7   in 1958            
Snow Depth   4   0   2   +2   22   in 2015            
Month Snow   0.0   T   0.3   -0.3   10.9   in 1898   0.0   in 2024  
Season Snow   6.6   2.3   17.4   -10.8   46.0   in 2005   0.8   in 2007  
    February 1, 2024     Record Record
Observed Daily Data   2024   2023   Norm   Depart   Highest Lowest
Maximum Humidity   91%   81%   82%   +9%   100%   in 2003   45%   in 1980  
Minimum Humidity   73%   45%   53%   +20%   94%   in 1951   18%   in 1991  
Average Humidity   82%   63%   67%   +15%   97%   in 1951   38%   in 1991  
Maximum Barometer   30.06   30.27   30.20   -00.14   30.86   in 1973   29.40   in 1979  
Minimum Barometer   29.88   30.18   29.86   +00.02   30.48   in 2022   29.13   in 1958  
Average Barometer   29.97   30.23   30.03   -00.06   30.66   in 1973   29.27   in 1979  
Average Wind   5.4   5.9   7.7   -2.3   18.2   in 1953   1.9   in 2005  
Direction   WSW   NNW   NNW       WNW   NNW  
High Wind Gust   24   20   26   -2   52   in 1953   8   in 2005  
Direction   SSW   N   NW       NNW   NW  
Maximum Water Temp   41.4   41.7   38.6   +2.8   44.4   in 2012   31.8   in 2019  
Minimum Water Temp   41.2   39.9   36.7   +4.5   42.9   in 2012   29.1   in 2019  
Average Water Temp   41.3   40.8   37.7   +3.6   43.7   in 2012   30.5   in 2019  
Sunrise/ AM Twilight   6:57:14 AM   6:26:24 AM            
Sunset / PM Twilight   5:00:23 PM   5:31:30 PM            
Length Of Day   10:03:09                          
Special Conditions   None                              
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