Portsmouth Rhode Island Weather Almanac  
Saturday, October 21, 2023  
Cloudy, Record Breaking Heavy Rain, Foggy, Slighly Cooler  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    October 21, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   60   63   60   +0   79   in 1920   44   in 1974  
Minimum Temperature   54   43   46   +8   61   in 2016   28   in 1972  
Average Temperature   57   53   53   +4   68   in 1920   37   in 1974  
 Month Avg Max Temperature   66.2   63.2   63.6   +2.6   70.3   in 1990   55.5   in 1896  
Month Avg Min Temperature   51.2   49.1   49.0   +2.2   54.6   in 2021   39.7   in 1981  
Month Average Temperature   59.0   56.4   56.5   +2.4   62.1   in 2021   49.9   in 1981  
High Heat Index                   80   in 1920            
Low Wind Chill   49   43                     23   in 1974  
Heating Degree Days   8   12   12   -4   28   in 1974   0   in Many  
Month Heating DD   140   182   178   -38   318   in 1981   69   in 2021  
Season Heating DD   201   182   178   +23   465   in 1956   94   in 2021  
Cooling Degree Days   0   0   0   -0   3   in 1920   0   in Many  
Month Cooling DD   13   1   6   +7   48   in 1954   0   in 2015  
Year Cooling DD   721   771   609   +112   868   in 2020   290   in 1902  
Maximum Dew Point   59   49   51   +8   68   in 2016   21   in 1974  
Minimum Dew Point   50   39   39   +11   60   in 2016   15   in 1974  
Average  Dew Point   55   44   45   +10   64   in 2016   18   in 1974  
 Month Avg Max Dew Point   57.9   54.9   55.0   +2.9   60.3   in 2007   43.4   in 1974  
Month Avg Min Dew Point   48.9   45.0   43.0   +5.8   51.6   in 2021   31.6   in 1981  
Month Average Dew Point   53.7   50.2   49.0   +4.7   55.9   in 2021   37.7   in 1974  
Precipitation   2.84   T   .13   +2.71   2.84   in 2023            
One Hour Rain   1.02   T           1.02   in 2023            
Half Hour Rain   .52   T           .52   in 2023            
Hourly Rain Rate   2.67   .00           2.67   in 2023            
Month Precipitation   3.35   4.14   2.92   +.43   8.13   in 2005   .01   in 1963  
Year Precipitation   45.45   33.95   36.00   +9.45   51.27   in 1998   19.78   in 1957  
Snow                                      
Snow Depth                                      
Month Snow           0.0       0.7   in 1979       in    
Season Snow           0.0       0.7   in 1979       in    
    October 21, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   99%   92%   89%   +10%   100%   in 2020   59%   in 1952  
Minimum Humidity   85%   53%   53%   +32%   88%   in 2020   25%   in 1952  
Average Humidity   92%   73%   71%   +21%   94%   in 2020   42%   in 1952  
Maximum Barometer   29.47   30.20   30.16   -00.69   30.64   in 1933   29.47   in 2023  
Minimum Barometer   29.05   30.05   29.89   -00.84   30.44   in 1972   29.05   in 2023  
Average Barometer   29.26   30.13   30.03   -00.77   30.51   in 1983   29.26   in 2023  
Average Wind   8.0   3.9   6.7   +1.3   15.8   in 1976   1.7   in 2005  
Direction   E   SSW   SSW       E N
High Wind Gust   29   16   23   +6   50   in 1904   10   in 1971  
Direction   WNW   SW   SW       SE NE
Maximum Water Temp   61.7   61.7   60.7   +1.0   64.9   in 2021   56.7   in 2010  
Minimum Water Temp   61.0   58.6   59.1   +1.9   63.9   in 2021   54.1   in 2018  
Average Water Temp   61.4   60.2   59.9   +1.4   64.4   in 2021   55.9   in 2018  
Sunrise/ AM Twilight   7:03:39 AM   6:36:26 AM            
Sunset / PM Twilight   5:55:08 PM   6:23:10 PM            
Length Of Day   10:50:50                          
Special Conditions   Fog                                  
Comments   Record Breaking Heavy Rain  
Hour-by-Hour Weather For October 21, 2023            
Climate Weather for October 21            
Weather History For October 21            
Weather Calendar            
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