Portsmouth Rhode Island Weather Almanac
Wednesday, January 30, 2019
Cloudy, Rain/Fog & Warm early then Partly Cloudy, Arctic Cold Front PM, Moderate Snow, Very Windy & Bitter Cold
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2019  
    January 30, 2019     Record Record
Observed Daily Data   Observed   2018   Normal   Depart   Highest Lowest
Maximum Temperature   41   31   37   +4   58   in 1924   15   in 1898  
Minimum Temperature   8   22   22   -14   41   in 1914   1   in 1952  
Average Temperature   25   27   30   -5   48   in 1924   9   in 1898  
Precipitation   .15   .26   .11   +.04   1.29   in 1894            
One Hour   .07   .00           .27   in 2001            
Snow   0.1   6.4   0.3   -0.2   6.4   in 2018            
Snow Depth   0   T           25   in 2005            
HDD   40   38   35   +5   56   in 1898   17   in 1924  
CDD   0       0   +0   0   in              
Maximum Dew Point   40   28   25   +15   53   in 2013   -1   in 1977  
Minimum Dew Point   -5   9   9   -14   37   in 2006   -14   in 1993  
Average  Dew Point   18   19   17   +1   43   in 2006   -7   in 1965  
Maximum Humidity   97%   93%   83%   +14%   100%   in 2006   38%   in 1980  
Minimum Humidity   39%   50%   53%   -14%   92%   in 2006   22%   in 2000  
Average Humidity   68%   72%   68%   +0%   96%   in 2006   34%   in 1980  
Maximum Barometer   30.12   30.03   30.12   +00.00   30.66   in 1999   29.43   in 1979  
Minimum Barometer   29.73   29.85   29.78   -00.05   30.38   in 1999   28.80   in 1966  
Average Barometer   29.93   29.94   29.95   -00.02   30.52   in 1999   29.12   in 1966  
Average Wind   10.9   13.3   8.0   +2.9   17.5   in 1962   1.4   in 1984  
Direction   WNW   N   WNW       NNW         SE        
High Wind Gust   35   33   26   +9   50   in 1971   12   in 2000  
Direction   NW   N   WNW       SW         SSW        
High Heat Index                                      
Wind Chill   -10   8   11   -21             -15   in 1973  
Maximum Water Temp   36.9   37.1   38.6   -1.7   43.2   in 2006   31.8   in 2004  
Minimum Water Temp   34.0   35.3   36.1   -2.1   42.4   in 2006   29.7   in 2004  
Average Water Temp   35.5   36.2   37.3   -1.9   42.8   in 2006   30.8   in 2004  
Sunrise/ AM Twilight   6:58:03 AM   6:28:44 AM            
Sunset / PM Twilight   4:59:11 PM   5:28:30 PM            
Length Of Day   10:01:08                          
Special Conditions   Fog, Haze                              
Comments   Strong Arctic Cold Front 730pm  
    January 30, 2019     Record Record
Month-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
 Avg Maximum Temperature   38.6   36.2   37.3   +1.3   45.4   in 1913   27.8   in 2004  
Avg Minimum Temperature   23.0   22.9   22.7   +0.4   32.2   in 1932   12.4   in 1982  
Average Temperature   30.8   29.6   30.0   +0.9   38.7   in 1932   21.4   in 2004  
Total Precipitation   5.56   4.99   3.58   +1.98   12.04   in 1979   .78   in 1955  
Total Snow   0.9   19.7   8.1   -7.2   33.8   in 2005   T   in 1950  
Total HDD   1021   1053   1042   -21   1302   in 2004   781   in 1932  
Total CDD   0   0   0   +0   0   in     0   in    
Avg Maximum Dew Point   31.1   28.5   28.0   +3.1   38.4   in 2006   15.2   in 1981  
Avg Minimum Dew Point   12.0   14.3   11.6   +0.4   23.2   in 2006   -1.1   in 1981  
Average  Dew Point   21.6   21.4   19.8   +1.7   30.8   in 2006   7.1   in 1981  
    January 30, 2019     Record Record
Year-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
Total Precipitation   5.56   4.99   3.58   +1.98   12.04   in 1979   .78   in 1955  
Total Snow (since Jul 1 18)   5.3   27.8   16.7   -11.4   46.0   in 2005   0.8   in 2007  
Total HDD (since Jul 1 18)   2950   2858   2993   -43   3727   in 1918   2271   in 2016  
Total CDD (since Jan 1)   0   0   0   +0   0   in     0   in    
                             
Hour-by-Hour Weather For January 30, 2019  
Climate Weather for January 30  
Weather History For January 30  
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