Portsmouth Rhode Island Weather Almanac
Monday, April 29, 2019
Clear to Mostly Cloudy PM, Light Rain Late, Seasonal Temperatures
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2019  
    April 29, 2019     Record Record
Observed Daily Data   Observed   2018   Normal   Depart   Highest Lowest
Maximum Temperature   58   57   60   -2   82   in 1903   43   in 1898  
Minimum Temperature   39   43   44   -5   52   in 2017   30   in 1992  
Average Temperature   49   50   51   -2   65   in 1903   40   in 1909  
Precipitation   .02   .07   .14   -.12   2.19   in 1980            
One Hour   .02   .05           .94   in 1980            
Snow   0.0   0.0   0.0   +0.0   1.3   in 1909            
Snow Depth   0   0           0   in              
HDD   16   15   13   +3   25   in 1909   0   in 1903  
CDD   0   0   0   +0   0   in              
Maximum Dew Point   42   50   46   -4   63   in 2017   27   in 1967  
Minimum Dew Point   30   36   33   -3   48   in 2017   10   in 2012  
Average  Dew Point   36   43   40   -4   56   in 2017   22   in 1977  
Maximum Humidity   91%   99%   87%   +4%   100%   in 1905   50%   in 1977  
Minimum Humidity   35%   57%   49%   -14%   91%   in 1956   16%   in 2012  
Average Humidity   63%   78%   68%   -5%   95%   in 1958   38%   in 1977  
Maximum Barometer   30.39   29.94   30.07   +00.32   30.51   in 2001   29.71   in 1987  
Minimum Barometer   30.18   29.80   29.83   +00.35   30.38   in 2001   29.25   in 1987  
Average Barometer   30.29   29.87   29.95   +00.33   30.45   in 2001   29.48   in 1987  
Average Wind   8.1   6.0   7.0   +1.1   13.4   in 1958   2.3   in 2007  
Direction   SSW   WNW   N       E         SSE        
High Wind Gust   24   20   24   -0   42   in 2010   12   in 2007  
Direction   S   SW   N       WNW         ESE        
High Heat Index                                      
Wind Chill   36   39   37   -1             23   in 1992  
Maximum Water Temp   49.6   47.3   50.6   -1.0   55.6   in 2007   45.9   in 2014  
Minimum Water Temp   46.0   44.2   47.5   -1.5   52.5   in 2012   43.1   in 2015  
Average Water Temp   47.8   45.8   49.0   -1.2   53.6   in 2012   45.1   in 2014  
Sunrise/ AM Twilight   5:43:55 AM   5:13:58 AM            
Sunset / PM Twilight   7:41:08 PM   8:11:04 PM            
Length Of Day   13:57:13                          
Special Conditions     None                                
Comments      
    April 29, 2019     Record Record
Month-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
 Avg Maximum Temperature   56.8   51.5   55.2   +1.6   61.0   in 1976   48.4   in 1907  
Avg Minimum Temperature   41.8   36.9   39.0   +2.8   43.0   in 2010   33.8   in 1943  
Average Temperature   49.3   44.2   47.1   +2.2   51.4   in 2010   41.6   in 1907  
Total Precipitation   4.92   4.41   4.40   +.52   11.94   in 1983   .47   in 1963  
Total Snow   0.0   3.6   1.0   -1.0   9.6   in 1996   0.0   in 2019  
Total HDD   450   597   513   -63   671   in 1907   386   in 2010  
Total CDD   0   0   0   +0   13   in 1976   0   in    
Avg Maximum Dew Point   47.0   41.6   41.9   +5.2   47.6   in 2017   34.2   in 1965  
Avg Minimum Dew Point   33.2   27.5   28.6   +4.5   37.3   in 2017   20.3   in 1982  
Average  Dew Point   40.1   34.7   35.3   +4.9   42.4   in 2017   28.7   in 1975  
    April 29, 2019     Record Record
Year-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
Total Precipitation   17.43   20.80   16.77   +.66   31.21   in 1983   7.53   in 1985  
Total Snow (since Jul 1 18)   21.1   45.6   31.8   -10.7   84.1   in 1996   5.0   in 1998  
Total HDD (since Jul 1 18)   5191   5081   5290   -99   6242   in 1904   4271   in 2012  
Total CDD (since Jan 1)   0   0   0   +0   13   in 1976   0   in    
                             
Hour-by-Hour Weather For April 29, 2019  
Climate Weather for April 29  
Weather History For April 29  
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