Portsmouth Rhode Island Weather Almanac  
Sunday, February 5, 2023  
Mostly Cloudy early then Partly Cloudy, Windy and Much Warmer (Seasonal Temps)  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    February 5, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   44   26   38   +6   58   in 2019   5   in 1918  
Minimum Temperature   18   17   24   -6   41   in 2019   -6   in 1918  
Average Temperature   31   22   31   +0   50   in 2019   -1   in 1918  
 Month Avg Max Temperature   33.2   41.2   37.6   -4.4   51.4   in 2016   20.2   in 1996  
Month Avg Min Temperature   10.2   25.2   23.6   -13.4   36.0   in 2016   4.4   in 1918  
Month Average Temperature   22.0   33.2   31.0   -9.0   43.7   in 2016   14.3   in 1918  
High Heat Index                                      
Low Wind Chill   15   4   9   +6             -22   in 1918  
Heating Degree Days   34   43   34   +0   66   in 1918   15   in 2019  
Month HDD   215   157   170   +45   253   in 1918   106   in 2016  
Season HDD   2709   2854   3089   -380   4024   in 1918   2397   in 2016  
Cooling Degree Days   0   #N/A   #REF!   #REF!   0   in 2023   0   in    
Month CDD                                 in    
Year CDD                                      
Maximum Dew Point   37   24   29   +8   55   in 2006   -1   in 2007  
Minimum Dew Point   8   4   12   -4   34   in 2008   -12   in 2007  
Average  Dew Point   23   14   21   +2   41   in 2008   -7   in 2007  
 Month Avg Max Dew Point   22.8   38.0   28.2   -5.4   46.0   in 2006   4.4   in 1980  
Month Avg Min Dew Point   -3.4   19.6   11.8   -15.2   30.6   in 2006   -9.0   in 1980  
Month Average Dew Point   9.8   28.8   21.0   -11.2   38.3   in 2006   -2.3   in 1980  
Precipitation   .00   .02   .12   -.12   1.42   in 1920            
One Hour   .00   .00           .39   in 1997            
Hourly Rate   .00   .00           1.32   in 2008            
Month Precipitation   T   1.76   .56   -.56   3.16   in 1970   .00   in 2019  
Year Precipitation   7.19   3.72   4.23   +2.96   12.07   in 1979   1.00   in 1955  
Snow   0.0   0.2   0.3   -0.3   14.9   in 1920       in    
Snow Depth   0   T           28   in 1961       in    
Month Snow   T   0.3   1.5   -1.5   18.7   in 1907   0.0   in 2020  
Season Snow   2.3   25.0   18.6   -16.3   51.0   in 1996   1.5   in 1980  
    February 5, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   88%   96%   82%   +6%   100%   in 2019   49%   in 2007  
Minimum Humidity   65%   56%   50%   +15%   93%   in 1984   22%   in 1993  
Average Humidity   77%   76%   66%   +10%   97%   in 1984   37%   in 1983  
Maximum Barometer   30.43   30.52   30.15   +00.28   30.68   in 1955   29.46   in 1954  
Minimum Barometer   30.01   29.89   29.78   +00.23   30.40   in 1970   28.82   in 1995  
Average Barometer   30.22   30.21   29.96   +00.26   30.52   in 1955   29.17   in 1995  
Average Wind   10.5   10.6   8.5   +2.0   18.9   in 1998   1.9   in 1978  
Direction   SW   NW   WNW       NNE ENE
High Wind Gust   33   30   28   +5   55   in 1997   11   in 1978  
Direction   SSW   NW   NW       SSE ENE
Maximum Water Temp   39.0   40.8   38.7   +0.3   44.6   in 2012   35.2   in 2010  
Minimum Water Temp   33.3   37.6   36.6   -3.3   42.4   in 2006   33.3   in 2023  
Average Water Temp   36.2   39.2   37.7   -1.5   43.3   in 2006   34.8   in 2010  
Sunrise/ AM Twilight   6:52:47 AM   6:22:19 AM            
Sunset / PM Twilight   5:05:46 PM   5:36:17 PM            
Length Of Day   10:12:59                          
Special Conditions   None                              
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