Portsmouth Rhode Island Weather Almanac
Monday, January 20, 2020
Partly Cloudy early then Clear, Windy and Colder
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2020  
    January 20, 2020     Record Record
Observed Daily Data   Observed   2019   Normal   Depart   Highest Lowest
Maximum Temperature   29   46   36   -7   56   in 1947   15   in 1994  
Minimum Temperature   17   12   22   -5   43   in 1900   -1   in 1971  
Average Temperature   23   29   29   -6   50   in 1900   8   in 1971  
Precipitation   .00   2.28   .12   -.12   2.28   in 2019        
One Hour   .00   .36           .36   in 2019            
Snow   0.0   0.3   0.3   -0.3   10.4   in 1978            
Snow Depth   T   T           10   in 1936            
HDD   42   36   36   +6   57   in 1971   15   in 1900  
CDD   0       0   +0   0   in              
Maximum Dew Point   17   45   27   -10   52   in 1986   -2   in 1971  
Minimum Dew Point   1   5   11   -10   38   in 1995   -13   in 1971  
Average  Dew Point   9   25   19   -10   44   in 1986   -8   in 1971  
Maximum Humidity   66%   100%   83%   -17%   100%   in 2019   54%   in 1983  
Minimum Humidity   32%   73%   53%   -21%   92%   in 1995   24%   in 2003  
Average Humidity   49%   87%   68%   -19%   96%   in 1995   44%   in 1983  
Maximum Barometer   30.32   29.98   30.09   +00.23   30.89   in 1957   29.49   in 1985  
Minimum Barometer   29.88   29.18   29.76   +00.12   30.54   in 1957   28.93   in 1964  
Average Barometer   30.10   29.58   29.92   +00.18   30.72   in 1957   29.33   in 1986  
Average Wind   12.9   14.3   8.9   +4.0   22.3   in 1961   1.3   in 1990  
Direction   NNW   NW   WNW       N         SSE        
High Wind Gust   28   33   27   +1   53   in 1978   11   in 2017  
Direction   NNW   NNW   WNW       NE         SSW        
Wind Chill   3   -6   11   -8             -28   in 1971  
Maximum Water Temp   38.0   40.6   39.8   -1.8   47.7   in 2007   35.0   in 1997  
Minimum Water Temp   36.0   38.5   37.6   -1.6   43.2   in 2007   32.9   in 2018  
Average Water Temp   37.0   39.6   38.6   -1.6   45.4   in 2007   34.0   in 1997  
Sunrise/ AM Twilight   7:06:07 AM   6:36:05 AM            
Sunset / PM Twilight   4:46:46 PM   5:16:48 PM            
Length Of Day   9:40:39                          
Special Conditions   None                                  
Comments      
    January 20, 2020     Record Record
Month-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
 Avg Maximum Temperature   43.3   39.0   37.8   +5.5   46.2   in 2007   26.5   in 1981  
Avg Minimum Temperature   30.5   24.9   23.4   +7.1   32.6   in 1932   9.4   in 1957  
Average Temperature   36.9   31.9   30.4   +6.5   39.4   in 2007   18.0   in 1981  
Total Precipitation   1.38   4.05   2.40   -1.02   7.08   in 1979   .50   in 1902  
Total Snow   3.8   0.8   5.1   -1.3   25.8   in 1996   0.0   in 2007  
Total HDD   558   659   684   -126   934   in 1981   510   in 2007  
Total CDD   0   0   0   +0   0   in     0   in    
Avg Maximum Dew Point   37.1   31.2   29.0   +8.1   41.0   in 2007   12.9   in 1981  
Avg Minimum Dew Point   21.1   14.0   12.4   +8.6   24.8   in 2006   -5.9   in 1981  
Average  Dew Point   29.1   22.6   20.7   +8.4   32.2   in 2006   3.5   in 1981  
    January 20, 2020     Record Record
Year-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
Total Precipitation   1.38   4.05   2.40   -1.02   7.08   in 1979   .50   in 1902  
Total Snow (since Jul 1 19)   12.2   5.2   13.7   -1.5   41.6   in 1996   0.2   in 1914  
Total HDD (since Jul 1 19)   2438   2588   2635   -197   3290   in 1918   1948   in 2016  
Total CDD (since Jan 1)   0   0   0   +0   0   in     0   in    
Hour-by-Hour Weather For January 20, 2020
Climate Weather for January 20
Weather History For January 20
Weather Calendar
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