Portsmouth Rhode Island Weather Almanac  
Friday, October 29, 2021  
Continued Cloudy, Seasonal Temperatures  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2021
    October 29, 2021   Record   Record  
Observed Daily Data   2021   2020   Norm   Depart   Highest   Lowest  
Maximum Temperature   54   49   57   -3   73   in 1989   41   in 2000  
Minimum Temperature   45   46   43   +2   60   in 2017   27   in 1980  
Average Temperature   50   48   50   +0   65   in 1984   37   in 2000  
 Month Avg Max Temperature   66.6   64.3   62.2   +4.3   68.7   in 1947   55.4   in 1896  
Month Avg Min Temperature   53.0   50.1   47.7   +5.3   53.8   in 2017   40.8   in 1974  
Month Average Temperature   60.1   57.6   55.1   +4.9   61.4   in 2017   49.1   in 1896  
High Heat Index                   74   in 1984            
Low Wind Chill   41   39                     22   in 2011  
HDD   15   17   15   +0   28   in 2000   0   in 1984  
Month HDD   152   220   286   -134   460   in 1896   129   in 2017  
Season HDD   177   276   366   -189   571   in 1896   173   in 1920  
CDD   0   0   0   +0   0   in     0   in    
Month CDD   9   4   6   +3   48   in 1954   0   in 2015  
Year CDD   795   871   609   +186   871   in 2020   290   in 1902  
Maximum Dew Point   46   48   48   -2   65   in 2015   19   in 1965  
Minimum Dew Point   40   44   36   +4   57   in 2017   7   in 1991  
Average  Dew Point   43   46   42   +1   61   in 2017   17   in 1985  
 Month Avg Max Dew Point   57.9   56.9   53.4   +4.5   59.5   in 2017   42.7   in 1974  
Month Avg Min Dew Point   49.3   45.1   41.5   +7.8   49.4   in 2017   29.4   in 1974  
Month Average Dew Point   53.8   51.2   47.4   +6.4   54.7   in 2017   36.1   in 1974  
Precipitation   .00   1.57   .14   -.14   1.70   in 1954            
One Hour   .00   .23           .79   in 2015            
Hourly Rate   .00   .43           5.01   in 2015            
Month Precipitation   3.31   5.47   4.01   -.70   10.20   in 2005   .28   in 1924  
Year Precipitation   42.41   30.73   37.09   +5.32   52.05   in 1998   20.15   in 1957  
Snow   0.0   0.0   0.0   +0.0   0.1   in 2011       in    
Snow Depth   0   0   0       0   in         in    
Month Snow   0.0   0.0   0.0   -0.0   0.7   in 1979       in    
Season Snow   0.0   0.0   0.0   -0.0   0.7   in 1979       in    
    October 29, 2021     Record Record
Observed Daily Data   2021   2020   Norm   Depart   Highest Lowest
Maximum Humidity   90%   96%   87%   +3%   100%   in 2017   44%   in 1983  
Minimum Humidity   72%   91%   53%   +19%   94%   in 1953   17%   in 1991  
Average Humidity   81%   94%   70%   +11%   97%   in 1953   38%   in 1991  
Maximum Barometer   30.00   29.96   30.13   -00.13   30.68   in 1991   29.51   in 1953  
Minimum Barometer   29.83   29.60   29.84   -00.01   30.45   in 1956   29.00   in 2012  
Average Barometer   29.92   29.78   29.99   -00.07   30.51   in 1956   29.34   in 2012  
Average Wind   7.7   5.5   8.1   -0.4   20.4   in 1963   2.0   in 1971  
Direction   NE   NE   N       NNE         NE        
High Wind Gust   21   28   26   -5   57   in 2012   10   in 1989  
Direction   ENE   NE   NW       ESE         SW        
Maximum Water Temp   59.9   61.0   57.9   +2.0   61.8   in 2017   53.6   in 2018  
Minimum Water Temp   58.1   59.2   55.8   +2.3   61.4   in 2017   51.1   in 2000  
Average Water Temp   59.0   60.1   56.8   +2.2   61.6   in 2017   53.2   in 2018  
Sunrise/ AM Twilight   7:12:29 AM   6:45:23 AM            
Sunset / PM Twilight   5:45:23 PM   6:12:30 PM            
Length Of Day   10:32:54                          
Special Conditions   None                              
Comments                                      
Hour-by-Hour Weather For October 29, 2021            
Climate Weather for October 29            
Weather History For October 29            
Weather Calendar            
Back To Weather Stat Page            
Home