Portsmouth Rhode Island Weather Almanac  
Tuesday, February 14, 2023  
Partly Cloudy to Clear PM, Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    February 14, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   52   25   39   +13   55   in 1990   12   in 1979  
Minimum Temperature   35   13   25   +10   41   in 1949   -7   in 2016  
Average Temperature   44   19   33   +11   47   in 1949   3   in 2016  
 Month Avg Max Temperature   43.4   41.5   38.3   +5.1   45.4   in 1991   22.9   in 1899  
Month Avg Min Temperature   25.1   25.9   24.1   +0.9   32.2   in 2020   8.1   in 1934  
Month Average Temperature   34.5   34.0   31.6   +2.9   38.4   in 2020   16.1   in 1979  
High Heat Index                                      
Low Wind Chill   30   -1   9   +21             -30   in 2016  
Heating Degree Days   21   46   32   -11   62   in 2016   18   in 1949  
Month HDD   427   434   467   -40   685   in 1979   373   in 2020  
Season HDD   2921   3131   3386   -465   4334   in 1918   2775   in 2016  
Cooling Degree Days   0   #N/A   #REF!   #REF!   0   in 2023   0   in    
Month CDD                                 in    
Year CDD                                      
Maximum Dew Point   35   23   30   +5   54   in 2000   -12   in 1979  
Minimum Dew Point   21   -6   14   +7   32   in 2000   -22   in 1979  
Average  Dew Point   28   9   22   +6   43   in 2000   -17   in 1979  
 Month Avg Max Dew Point   33.6   36.4   29.1   +4.5   38.2   in 2018   4.8   in 1979  
Month Avg Min Dew Point   13.4   18.1   12.6   +0.9   24.6   in 2020   -6.6   in 1979  
Month Average Dew Point   23.6   27.2   22.0   +1.6   31.2   in 2020   -0.9   in 1979  
Precipitation   .00   .16   .12   -.12   1.41   in 2007            
One Hour   .00   .00           .32   in 2000            
Hourly Rate   .00   .00           .64   in 2007            
Month Precipitation   .20   3.07   1.64   -1.44   4.98   in 1970   T   in 1912  
Year Precipitation   7.39   5.03   5.31   +2.08   12.38   in 1979   1.59   in 1980  
Snow   0.0   2.3   0.4   -0.4   9.3   in 1899       in    
Snow Depth   0   5           24   in 1978       in    
Month Snow   T   7.5   4.8   -4.8   26.3   in 1978   0.0   in 2020  
Season Snow   2.3   32.2   21.9   -19.6   54.4   in 1996   2.3   in 2023  
    February 14, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   93%   92%   82%   +11%   100%   in 2000   46%   in 1979  
Minimum Humidity   32%   37%   48%   -16%   92%   in 1984   18%   in 1998  
Average Humidity   63%   65%   64%   -2%   96%   in 1984   37%   in 1998  
Maximum Barometer   30.20   30.35   30.14   +00.06   30.81   in 1981   29.37   in 1991  
Minimum Barometer   29.63   29.90   29.71   -00.08   30.52   in 1981   28.79   in 1940  
Average Barometer   29.92   30.13   29.92   -00.00   30.67   in 1981   29.13   in 1991  
Average Wind   6.3   12.0   8.7   -2.4   15.6   in 1971   1.3   in 1983  
Direction   NW   NW   WNW       W SSE
High Wind Gust   23   30   28   -5   50   in 1940   11   in 1983  
Direction   NW   NNW   WNW       NE SSE
Maximum Water Temp   42.8   38.7   38.2   +4.6   42.8   in 2023   33.9   in 2015  
Minimum Water Temp   41.7   36.3   36.1   +5.6   41.7   in 2023   31.2   in 2003  
Average Water Temp   42.3   37.5   37.1   +5.1   42.3   in 2023   33.0   in 2015  
Sunrise/ AM Twilight   6:41:49 AM   6:11:38 AM            
Sunset / PM Twilight   5:17:08 PM   5:47:02 PM            
Length Of Day   10:35:19                          
Special Conditions   None                              
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