Portsmouth Rhode Island Weather Almanac
Saturday, February 9, 2019
Clear, Dry and Very Windy, Warmer
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2019  
    February 9, 2019     Record Record
Observed Daily Data   Observed   2018   Normal   Depart   Highest Lowest
Maximum Temperature   33   33   38   -5   56   in 1937   7   in 1934  
Minimum Temperature   24   22   24   +0   37   in 1990   -11   in 1934  
Average Temperature   29   28   31   -2   45   in 1937   -2   in 1934  
Precipitation   .00   T   .12   -.12   1.91   in 1969            
One Hour   .00   .00           .29   in 1969            
Snow   0.0   T   0.3   -0.3   9.3   in 2017            
Snow Depth   0   0           26   in 1978            
HDD   36   37   33   +3   67   in 1934   20   in 1937  
CDD   0       0   +0   0   in              
Maximum Dew Point   16   30   27   -11   47   in 1950   -4   in 1951  
Minimum Dew Point   3   14   11   -8   36   in 1990   -16   in 1959  
Average  Dew Point   10   22   31   -21   39   in 2001   -7   in 1951  
Maximum Humidity   54%   87%   81%   -27%   100%   in 2001   53%   in 1951  
Minimum Humidity   29%   51%   49%   -20%   92%   in 2015   19%   in 1968  
Average Humidity   42%   69%   65%   -24%   96%   in 2001   39%   in 1963  
Maximum Barometer   30.65   30.58   30.12   +00.53   30.65   in 2019   29.36   in 1954  
Minimum Barometer   30.11   30.44   29.79   +00.32   30.51   in 1966   29.01   in 1969  
Average Barometer   30.38   30.51   29.95   +00.43   30.57   in 1966   29.26   in 1954  
Average Wind   16.7   5.2   8.4   +8.3   17.6   in 1969   2.1   in 2005  
Direction   WNW   SW   WNW       NE         SE        
High Wind Gust   37   22   27   +10   51   in 1969   13   in 1998  
Direction   WNW   SW   WNW       NNE         N        
High Heat Index                                      
Wind Chill   9   17   10   -1             -13   in 1951  
Maximum Water Temp   36.1   34.7   37.7   -1.6   44.4   in 2012   34.7   in 2018  
Minimum Water Temp   33.6   32.8   35.7   -2.1   42.4   in 2012   32.5   in 2010  
Average Water Temp   34.9   33.8   36.7   -1.8   43.4   in 2012   33.7   in 2010  
Sunrise/ AM Twilight   6:48:16 AM   6:19:34 AM            
Sunset / PM Twilight   5:10:35 PM   5:39:16 PM            
Length Of Day   10:22:19                          
Special Conditions   None                                  
Comments   Record breaking high barometric pressure  
    February 9, 2019     Record Record
Month-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
 Avg Maximum Temperature   41.9   39.7   37.7   +4.2   48.6   in 1991   23.0   in 1934  
Avg Minimum Temperature   28.3   22.7   22.7   +5.7   31.7   in 2008   7.9   in 1934  
Average Temperature   35.1   31.2   30.7   +4.4   39.7   in 1991   15.4   in 1934  
Total Precipitation   .45   1.83   1.06   -.61   3.22   in 1971   T   in 1944  
Total Snow   0.0   0.4   2.7   -2.7   26.3   in 1978   0.0   in 2019  
Total HDD   265   301   308   -43   444   in 1934   226   in 1991  
Total CDD   0   0   0   +0   0   in     0   in    
Avg Maximum Dew Point   32.0   35.7   26.6   +5.4   40.3   in 2008   9.8   in 1980  
Avg Minimum Dew Point   18.4   12.3   10.5   +7.9   28.8   in 2008   -4.4   in 1993  
Average  Dew Point   25.2   24.0   18.6   +6.6   34.6   in 2008   3.2   in 1980  
    February 9, 2019     Record Record
Year-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
Total Precipitation   6.01   6.82   4.75   +1.26   12.38   in 1979   1.59   in 1980  
Total Snow (since Jul 1 18)   5.3   28.2   19.7   -14.4   51.0   in 1996   2.4   in 1944  
Total HDD (since Jul 1 18)   3269   3198   3336   -67   4182   in 1918   2535   in 2016  
Total CDD (since Jan 1)   0   0   0   +0   0   in     0   in    
                             
Hour-by-Hour Weather For February 9, 2019  
Climate Weather for February 9  
Weather History For February 9  
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