Portsmouth Rhode Island Weather Almanac  
Sunday, August 13, 2023  
Cloudy, Heavy Rain/Thunderstorms early then Partly Cloudy, Humid and Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    August 13, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   81   80   79   +2   91   in 2021   64   in 1996  
Minimum Temperature   68   61   64   +4   73   in 1988   50   in 1957  
Average Temperature   75   71   72   +3   82   in 2021   61   in 1941  
 Month Avg Max Temperature   79.6   83.9   79.4   +0.2   85.1   in 2020   71.5   in 1903  
Month Avg Min Temperature   64.0   69.6   64.7   -0.7   72.0   in 1988   56.4   in 1964  
Month Average Temperature   72.1   77.1   72.0   +0.1   78.7   in 1988   64.8   in 1964  
High Heat Index   86   79   81   +6   104   in 2016            
Low Wind Chill                             48   in 1957  
Heating Degree Days   0   0   0   +0   4   in 1941   0   in 2023  
Month Heating DD   0   0   0   +0   18   in 1903   0   in 2023  
Season Heating DD   0   0   0   +0   18   in 1903   0   in 2023  
Cooling Degree Days   10   6   6   +4   17   in 2021   0   in 2006  
Month Cooling DD   92   157   98   -6   178   in 1988   11   in 1964  
Year Cooling DD   476   545   426   +50   626   in 2020   203   in 1902  
Maximum Dew Point   75   60   68   +7   79   in 2016   51   in 1966  
Minimum Dew Point   66   51   60   +6   71   in 2005   42   in 1964  
Average  Dew Point   71   56   64   +7   74   in 2016   48   in 1966  
 Month Avg Max Dew Point   68.8   73.8   68.9   -0.2   74.2   in 2018   59.1   in 1964  
Month Avg Min Dew Point   59.4   66.3   61.0   -1.6   69.3   in 2003   47.9   in 1964  
Month Average Dew Point   64.1   70.1   64.8   -0.8   71.4   in 2003   53.5   in 1964  
Precipitation   .40   .00   .12   +.28   1.54   in 1942            
One Hour Rain   .29   .00           .77   in 2001            
Half Hour Rain   .24   .00           .39   in 2004            
Hourly Rain Rate   4.30   .00           5.76   in 2004            
Month Precipitation   3.12   .42   1.55   +1.57   7.09   in 1952   .00   in 1911  
Year Precipitation   33.37   23.83   27.20   +6.17   43.87   in 1983   15.63   in 1957  
Snow                                      
Snow Depth                                      
Month Snow                                      
Season Snow   0.0   0.0   0.0   +0.0   0.0   in 1996   0.0   in 1998  
    August 13, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   99%   93%   93%   +6%   100%   in 2018   68%   in 1966  
Minimum Humidity   79%   39%   61%   +18%   92%   in 2018   33%   in 2006  
Average Humidity   89%   66%   77%   +12%   96%   in 2018   54%   in 1966  
Maximum Barometer   29.92   30.07   30.06   -00.14   30.41   in 1986   29.80   in 1964  
Minimum Barometer   29.82   30.02   29.87   -00.04   30.23   in 2003   29.35   in 1963  
Average Barometer   29.87   30.05   29.96   -00.09   30.27   in 2003   29.62   in 1963  
Average Wind   7.3   5.3   5.5   +1.8   16.5   in 1955   2.0   in 2013  
Direction   SW   NNW   SW       ESE SSW
High Wind Gust   23   18   20   +3   46   in 1955   11   in 2003  
Direction   SSW   NNW   SSW       ESE S
Maximum Water Temp   73.9   72.3   71.9   +2.0   77.5   in 2016   68.2   in 1997  
Minimum Water Temp   70.7   70.9   69.1   +1.6   74.3   in 2012   65.8   in 2017  
Average Water Temp   72.3   71.6   70.5   +1.8   75.6   in 2012   67.3   in 2006  
Sunrise/ AM Twilight   5:51:32 AM   4:51:01 AM            
Sunset / PM Twilight   7:47:39 PM   8:51:18 PM            
Length Of Day   13:56:07                          
Special Conditions   Fog, Thunderstorms  
Comments      
Hour-by-Hour Weather For August 13, 2023            
Climate Weather for August 13            
Weather History For August 13            
Weather Calendar            
Back To Weather Stat Page            
Home