Portsmouth Rhode Island Weather Almanac  
Wednesday, February 14, 2024  
Partly Cloudy early then Clear, Windy and Colder  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2024
    February 14, 2024   Record   Record  
Observed Daily Data   2024   2023   Norm   Depart   Highest   Lowest  
Maximum Temperature   31   52   39   -8   55   in 1990   12   in 1979  
Minimum Temperature   25   35   25   +0   41   in 1949   -7   in 2016  
Average Temperature   28   44   33   -5   47   in 1949   3   in 2016  
 Month Avg Max Temperature   41.6   43.4   38.3   +3.4   45.4   in 1991   22.9   in 1899  
Month Avg Min Temperature   30.0   25.1   24.1   +5.9   32.2   in 2020   8.1   in 1934  
Month Average Temperature   36.0   34.5   31.6   +4.4   38.4   in 2020   16.1   in 1979  
High Heat Index                   #N/A   in #N/A            
Low Wind Chill   13   30   9   +4             -30   in 2016  
Heating Degree Days   37   21   32   +5   62   in 2016   18   in 1949  
Month Heating DD   406   427   467   -61   685   in 1979   373   in 2020  
Season Heating DD   3073   2921   3386   -313   4334   in 1918   2775   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   27   35   30   -3   54   in 2000   -12   in 1979  
Minimum Dew Point   13   21   14   -1   32   in 2000   -22   in 1979  
Average  Dew Point   20   28   22   -2   43   in 2000   -17   in 1979  
 Month Avg Max Dew Point   32.9   33.6   29.1   +3.7   38.2   in 2018   4.8   in 1979  
Month Avg Min Dew Point   23.4   13.4   12.6   +10.9   24.6   in 2020   -6.6   in 1979  
Month Average Dew Point   28.4   23.6   22.0   +6.4   31.2   in 2020   -0.9   in 1979  
Precipitation   .00   .00   .12   -.12   1.41   in 2007            
One Hour Rain   .00   .00           .32   in 2000            
Half Hour Rain   .00   .00           .15   in 2007            
Hourly Rain Rate   .00   .00           .64   in 2007            
Month Precipitation   .71   .20   1.64   -.93   4.98   in 1970   T   in 1912  
Year Precipitation   7.46   7.39   5.31   +2.15   12.38   in 1979   1.59   in 1980  
Snow   0.0   0.0   0.4   -0.4   9.3   in 1899            
Snow Depth   6   0   2   +4   24   in 1978            
Month Snow   5.5   T   4.8   +0.7   26.3   in 1978   0.0   in 2020  
Season Snow   12.1   2.3   21.9   -9.8   54.4   in 1996   2.3   in 2023  
    February 14, 2024     Record Record
Observed Daily Data   2024   2023   Norm   Depart   Highest Lowest
Maximum Humidity   90%   93%   82%   +8%   100%   in 2000   46%   in 1979  
Minimum Humidity   51%   32%   48%   +3%   92%   in 1984   18%   in 1998  
Average Humidity   71%   63%   65%   +6%   96%   in 1984   37%   in 1998  
Maximum Barometer   29.99   30.20   30.14   -00.14   30.81   in 1981   29.37   in 1991  
Minimum Barometer   29.71   29.63   29.71   +00.00   30.52   in 1981   28.79   in 1940  
Average Barometer   29.85   29.92   29.92   -00.07   30.67   in 1981   29.13   in 1991  
Average Wind   13.5   6.3   8.8   +4.7   15.6   in 1971   1.3   in 1983  
Direction   WNW   NW   WNW       W   SSE  
High Wind Gust   37   23   28   +9   50   in 1940   11   in 1983  
Direction   WNW   NW   WNW       NE   SSE  
Maximum Water Temp   41.4   42.8   38.3   +3.1   42.8   in 2023   33.9   in 2015  
Minimum Water Temp   39.6   41.7   36.3   +3.3   41.7   in 2023   31.2   in 2003  
Average Water Temp   40.5   42.3   37.3   +3.2   42.3   in 2023   33.0   in 2015  
Sunrise/ AM Twilight   6:42:08 AM   6:11:38 AM            
Sunset / PM Twilight   5:16:50 PM   5:47:02 PM            
Length Of Day   10:34:42                          
Special Conditions   None                              
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