Portsmouth Rhode Island Weather Almanac
Tuesday, October 29, 2019
Cloudy and Warm
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2019  
    October 29, 2019     Record Record
Observed Daily Data   Observed   2018   Normal   Depart   Highest Lowest
Maximum Temperature   59   59   57   +2   73   in 1989   41   in 2000  
Minimum Temperature   50   45   41   +9   60   in 2017   27   in 1980  
Average Temperature   55   52   49   +6   65   in 1984   37   in 2000  
Precipitation   .00   .15   .13   -.13   1.70   in 1954            
One Hour   .00   .10           .79   in 2015            
Snow   0.0   0.0   0.0   +0.0   0.1   in 2011            
Snow Depth   0   0               in            
HDD   10   13   15   -5   28   in 2000   0   in 1984  
CDD   0   0   0   +0   0   in              
Maximum Dew Point   54   53   47   +7   65   in 2015   19   in 1965  
Minimum Dew Point   49   41   34   +16   57   in 2017   7   in 1991  
Average  Dew Point   52   47   40   +12   61   in 2017   17   in 1985  
Maximum Humidity   95%   94%   87%   +8%   100%   in 2017   44%   in 1983  
Minimum Humidity   79%   66%   52%   +27%   94%   in 1953   17%   in 1991  
Average Humidity   87%   80%   70%   +17%   97%   in 1953   38%   in 1991  
Maximum Barometer   30.37   29.90   30.14   +00.23   30.68   in 1991   29.51   in 1953  
Minimum Barometer   30.29   29.69   29.85   +00.44   30.45   in 1956   29.00   in 2012  
Average Barometer   30.33   29.80   29.99   +00.34   30.51   in 1956   29.34   in 2012  
Average Wind   6.4   6.8   8.1   -1.7   20.4   in 1963   2.0   in 1971  
Direction   ESE   SW   N       NNE         NE        
High Wind Gust   15   27   26   -11   57   in 2012   10   in 1989  
Direction   E   SSE   N       ESE         SW        
High Heat Index                   74   in 1984            
Wind Chill       43                     22   in 2011  
Maximum Water Temp   61.8   53.6   57.7   +4.2   61.8   in 2017   53.6   in 2018  
Minimum Water Temp   57.1   52.7   55.6   +1.6   61.4   in 2017   51.1   in 2000  
Average Water Temp   57.5   53.2   56.6   +0.9   61.6   in 2017   53.2   in 2018  
Sunrise/ AM Twilight   7:14:21 AM   6:45:49 AM            
Sunset / PM Twilight   5:43:28 PM   6:12:00 PM            
Length Of Day   10:29:07                          
Special Conditions   None                                  
Comments      
    October 29, 2019     Record Record
Month-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
 Avg Maximum Temperature   63.0   61.7   61.9   +1.1   68.7   in 1947   55.4   in 1896  
Avg Minimum Temperature   48.8   48.0   46.3   +2.5   53.8   in 2017   40.8   in 1974  
Average Temperature   55.9   54.8   54.1   +1.8   61.1   in 2017   48.9   in 1896  
Total Precipitation   6.45   5.46   3.66   +2.79   10.20   in 2005   .28   in 1924  
Total Snow   0.0   0.0   0.0   +0.0   0.7   in 1979   0.0   in    
Total HDD   264   306   314   -50   460   in 1896   129   in 2017  
Total CDD   8   17   5   +3   48   in 1954   0   in 2015  
Avg Maximum Dew Point   55.4   55.4   51.6   +3.8   59.5   in 2017   42.7   in 1974  
Avg Minimum Dew Point   44.2   42.4   39.8   +4.4   49.4   in 2017   29.4   in 1974  
Average  Dew Point   49.8   48.9   45.7   +4.1   54.5   in 2017   36.1   in 1974  
    October 29, 2019     Record Record
Year-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
Total Precipitation   45.85   40.79   39.04   +6.81   52.05   in 1998   20.15   in 1957  
Total Snow (since Jul 1 19)   0.0   0.0   0.0   +0.0   0.7   in 1979   0.0   in    
Total HDD (since Jul 1 19)   307   354   403   -96   571   in 1896   173   in 1920  
Total CDD (since Jan 1)   731   775   563   +168   807   in 2016   290   in 1902  
                             
Hour-by-Hour Weather For October 29, 2019
Climate Weather for October 29
Weather History For October 29
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