Portsmouth Rhode Island Weather Almanac
Thursday, January 2, 2020
Partly Cloudy to Mostly Cloudy PM, Continued Warm
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2020  
    January 2, 2020     Record Record
Observed Daily Data   Observed   2019   Normal   Depart   Highest Lowest
Maximum Temperature   47   36   39   +8   55   in 2000   12   in 1918  
Minimum Temperature   32   29   24   +8   50   in 1979   -3   in 1918  
Average Temperature   40   33   31   +9   53   in 1979   5   in 1918  
Precipitation   .00   .00   .12   -.12   1.32   in 1893        
One Hour   .00   .00           .27   in 1979            
Snow   0.0   0.0   0.2   -0.2   10.4   in 1948            
Snow Depth   0   0           12   in 1948            
HDD   25   32   33   -8   60   in 1918   12   in 1979  
CDD   0   0   0   +0   0   in              
Maximum Dew Point   41   28   31   +10   54   in 2000   3   in 1999  
Minimum Dew Point   24   8   14   +10   50   in 1979   -14   in 1968  
Average  Dew Point   33   18   22   +11   52   in 1979   -5   in 1999  
Maximum Humidity   88%   86%   85%   +3%   100%   in 2011   55%   in 1999  
Minimum Humidity   58%   33%   55%   +3%   93%   in 1979   30%   in 1982  
Average Humidity   73%   60%   70%   +3%   97%   in 1979   46%   in 1999  
Maximum Barometer   29.95   30.35   30.19   -00.24   30.89   in 1899   29.66   in 2010  
Minimum Barometer   29.83   30.10   29.85   -00.02   30.42   in 2005   28.98   in 1987  
Average Barometer   29.89   30.23   30.02   -00.13   30.57   in 2005   29.42   in 1987  
Average Wind   6.0   6.7   8.0   -2.0   17.0   in 2003   2.1   in 2006  
Direction   W   NNW   NW       N         ESE        
High Wind Gust   15   23   26   -11   52   in 1935   10   in 1950  
Direction   SW   N   NW       NW         N        
Wind Chill   25   18   14   +11             -16   in 1999  
Maximum Water Temp   39.6   42.4   42.2   -2.6   50.5   in 2007   35.9   in 2018  
Minimum Water Temp   37.5   40.5   39.9   -2.4   49.1   in 2007   32.6   in 2018  
Average Water Temp   38.6   41.5   41.1   -2.6   49.8   in 2007   34.3   in 2018  
Sunrise/ AM Twilight   7:11:42 AM   6:40:37 AM            
Sunset / PM Twilight   4:27:27 PM   4:58:32 PM            
Length Of Day   9:15:45                          
Special Conditions   None                                  
Comments      
    January 2, 2020     Record Record
Month-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
 Avg Maximum Temperature   44.5   46.5   39.0   +5.5   54.5   in 1966   12.0   in 1918  
Avg Minimum Temperature   33.0   32.0   24.0   +9.0   46.5   in 1979   -2.5   in 1918  
Average Temperature   38.8   39.3   31.5   +7.3   50.0   in 1979   4.8   in 1918  
Total Precipitation   .00   .73   .24   -.24   2.23   in 1919   .00   in 2020  
Total Snow   0.0   0.0   0.4   -0.4   10.8   in 1948   0.0   in 2020  
Total HDD   52   51   66   -14   120   in 1918   29   in 1979  
Total CDD   0   0   0   +0   0   in     0   in    
Avg Maximum Dew Point   38.5   41.0   30.7   +7.8   52.0   in 1979   6.0   in 2018  
Avg Minimum Dew Point   24.5   17.5   14.1   +10.4   46.5   in 1979   -13.0   in 1999  
Average  Dew Point   31.5   29.3   22.4   +9.1   49.3   in 1979   -1.8   in 1999  
    January 2, 2020     Record Record
Year-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
Total Precipitation   .00   .73   .24   -.24   2.23   in 1919   .00   in 2019  
Total Snow (since Jul 1 19)   8.4   4.4   9.0   -0.6   27.3   in 1948   T   in 2000  
Total HDD (since Jul 1 19)   1932   1980   2017   -85   2567   in 1918   1379   in 2016  
Total CDD (since Jan 1)   0   0   0   +0   0   in     0   in    
Hour-by-Hour Weather For January 2, 2020
Climate Weather for January 2
Weather History For January 2
Weather Calendar
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