Portsmouth Rhode Island Weather Almanac  
Friday, September 16, 2022  
Clear, Dry and Cooler  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2022
    September 16, 2022   Record   Record  
Observed Daily Data   2022   2021   Norm   Depart   Highest   Lowest  
Maximum Temperature   71   74   72   -1   87   in 1941   57   in 1954  
Minimum Temperature   50   65   57   -7   70   in 1915   44   in 1988  
Average Temperature   61   70   65   -4   78   in 1915   54   in 1984  
 Month Avg Max Temperature   75.6   76.1   74.3   +1.3   81.9   in 1961   68.6   in 1917  
Month Avg Min Temperature   60.1   61.7   59.4   +0.7   65.8   in 1961   52.8   in 1893  
Month Average Temperature   68.0   69.2   66.8   +1.2   74.0   in 1961   61.5   in 1963  
High Heat Index   68   75   72   -4   92   in 1991            
Low Wind Chill                             43   in 1988  
Heating Degree Days   4   0   2   +2   11   in 1984   0   in 2021  
Month HDD   7   1   20   -13   79   in 1913   0   in 2015  
Season HDD   7   1   27   -20   79   in 1913   0   in 2015  
Cooling Degree Days   0   5   2   -2   13   in 1915   0   in 2022  
Month CDD   55   68   49   +6   148   in 1961   7   in 1975  
Year CDD   759   751   586   +173   837   in 2020   280   in 1902  
Maximum Dew Point   52   71   63   -11   73   in 1999   43   in 1966  
Minimum Dew Point   44   62   53   -9   68   in 2005   32   in 1984  
Average  Dew Point   48   67   58   -10   70   in 2005   39   in 1984  
 Month Avg Max Dew Point   65.0   67.2   64.3   +0.7   69.6   in 1961   55.2   in 1967  
Month Avg Min Dew Point   55.8   57.8   54.9   +0.9   61.2   in 1961   44.3   in 1967  
Month Average Dew Point   60.8   62.7   59.6   +1.2   65.4   in 1961   49.7   in 1967  
Precipitation   .00   .89   .14   -.14   6.20   in 1932            
One Hour   .00   .79           .79   in 2021            
Hourly Rate   .00   8.35           8.35   in 2021            
Month Precipitation   3.23   8.49   1.91   +1.32   8.49   in 2021   T   in 1983  
Year Precipitation   28.65   37.59   31.19   -2.54   46.35   in 1998   17.49   in 1957  
Snow   #N/A   #N/A   0.0   #N/A       in         in    
Snow Depth   #N/A   #N/A               in         in    
Month Snow   0.0   0.0   0.0   +0.0       in         in    
Season Snow   #N/A   #N/A   #N/A   #N/A   #N/A   in #N/A   #N/A   in #N/A  
    September 16, 2022     Record Record
Observed Daily Data   2022   2021   Norm   Depart   Highest Lowest
Maximum Humidity   84%   98%   93%   -9%   100%   in 2017   81%   in 2011  
Minimum Humidity   39%   82%   58%   -19%   95%   in 2004   34%   in 1984  
Average Humidity   62%   90%   76%   -14%   98%   in 2004   59%   in 1984  
Maximum Barometer   30.20   30.30   30.15   +00.05   30.54   in 1988   29.72   in 1953  
Minimum Barometer   30.10   30.06   29.93   +00.17   30.27   in 2016   29.20   in 1999  
Average Barometer   30.15   30.18   30.04   +00.11   30.36   in 1988   29.63   in 1999  
Average Wind   5.4   5.9   5.8   -0.4   17.3   in 1999   1.3   in 2006  
Direction   NNW   ENE   NE       ENE N
High Wind Gust   19   24   21   -2   45   in 1999   11   in 2006  
Direction   NW   NNE   NW       SE WNW
Maximum Water Temp   70.0   71.6   68.5   +1.5   71.6   in 2021   65.8   in 2007  
Minimum Water Temp   69.1   69.8   66.8   +2.3   70.2   in 1999   64.2   in 2001  
Average Water Temp   69.6   70.7   67.7   +1.9   70.7   in 2021   65.1   in 2007  
Sunrise/ AM Twilight   6:26:22 AM   5:59:21 AM            
Sunset / PM Twilight   6:52:35 PM   7:20:32 PM            
Length Of Day   12:26:13                          
Special Conditions   None                              
Comments   Moderate Drought  
Hour-by-Hour Weather For September 16, 2022            
Climate Weather for September 16            
Weather History For September 16            
Weather Calendar            
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