Portsmouth Rhode Island Weather Almanac
Monday, February 18, 2019
Cloudy, Light Snow to Freezing Rain and Fog Morning, Cloudy Day to Mostly Cloudy PM, Colder & Windy Late
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2019  
    February 18, 2019     Record Record
Observed Daily Data   Observed   2018   Normal   Depart   Highest Lowest
Maximum Temperature   33   45   40   -7   56   in 1976   15   in 1958  
Minimum Temperature   24   29   25   -1   40   in 2008   -3   in 1979  
Average Temperature   29   37   33   -4   48   in 2008   7   in 1958  
Precipitation   .30   .32   .13   +.17   2.94   in 1998            
One Hour   .07   .11           1.02   in 1998            
Snow   1.1   0.0   0.3   +0.8   12.0   in 1893            
Snow Depth   0   2           24   in 2015            
HDD   36   28   33   +3   58   in 1958   17   in 2008  
CDD   0       0   +0   0   in              
Maximum Dew Point   32   34   29   +3   54   in 2008   -1   in 1979  
Minimum Dew Point   14   23   13   +1   40   in 2008   -21   in 1979  
Average  Dew Point   23   29   33   -10   47   in 2008   -11   in 1979  
Maximum Humidity   95%   100%   83%   +12%   100%   in 1998   45%   in 1987  
Minimum Humidity   64%   46%   51%   +13%   95%   in 1998   23%   in 2006  
Average Humidity   80%   73%   67%   +13%   98%   in 1998   36%   in 1987  
Maximum Barometer   30.24   30.56   30.16   +00.08   30.89   in 1979   29.45   in 1958  
Minimum Barometer   29.79   29.87   29.80   -00.01   30.57   in 1979   29.14   in 1952  
Average Barometer   30.02   30.22   29.99   +00.03   30.73   in 1979   29.40   in 1958  
Average Wind   9.3   7.9   8.5   +0.8   19.3   in 1952   2.0   in 1995  
Direction   NNW   NW   N       NNE         SSE        
High Wind Gust   31   30   27   +4   52   in 1900   10   in 1995  
Direction   NNW   NNW   N       N         SW        
High Heat Index                                      
Wind Chill   9   22   14   -5             -22   in 1958  
Maximum Water Temp   37.0   37.5   38.1   -1.1   43.8   in 2012   32.7   in 2015  
Minimum Water Temp   35.4   36.4   36.1   -0.7   41.9   in 2012   31.3   in 2007  
Average Water Temp   36.2   37.0   37.1   -0.9   42.9   in 2012   32.4   in 2015  
Sunrise/ AM Twilight   6:36:32 AM   6:08:22 AM            
Sunset / PM Twilight   5:21:49 PM   5:49:59 PM            
Length Of Day   10:45:17                          
Special Conditions   Fog, Sleet and Freezing Rain (Glaze)                  
Comments      
    February 18, 2019     Record Record
Month-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
 Avg Maximum Temperature   41.1   42.9   38.6   +2.5   44.3   in 1990   22.1   in 1979  
Avg Minimum Temperature   27.7   27.7   23.7   +4.0   29.8   in 1960   7.4   in 1979  
Average Temperature   34.4   35.3   31.4   +3.0   36.5   in 2012   14.8   in 1979  
Total Precipitation   2.14   4.51   2.21   -.07   5.93   in 1988   .07   in 1912  
Total Snow   3.2   2.6   5.4   -2.2   26.4   in 2003   T   in 2005  
Total HDD   546   529   605   -59   901   in 1979   508   in 2012  
Total CDD   0   0   0   +0   0   in     0   in    
Avg Maximum Dew Point   32.0   38.7   27.5   +4.5   38.7   in 2018   2.7   in 1979  
Avg Minimum Dew Point   16.3   18.7   11.4   +4.9   22.4   in 1984   -9.0   in 1979  
Average  Dew Point   24.1   28.7   19.4   +4.7   29.3   in 1984   -3.1   in 1979  
    February 18, 2019     Record Record
Year-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
Total Precipitation   7.70   9.50   5.90   +1.80   12.38   in 1979   2.33   in 1980  
Total Snow (since Jul 1 18)   8.5   30.4   22.4   -13.9   61.1   in 1996   3.5   in 1989  
Total HDD (since Jul 1 18)   3550   3426   3633   -83   4477   in 1918   2895   in 2016  
Total CDD (since Jan 1)   0   0   0   +0   0   in     0   in    
                             
Hour-by-Hour Weather For February 18, 2019  
Climate Weather for February 18  
Weather History For February 18  
Weather Calendar  
Back To Weather Stat Page  
Home