Portsmouth Rhode Island Weather Almanac  
Tuesday, October 4, 2022  
Cloudy, Rainy, Foggy, Continued Very Windy and Cool  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2022
    October 4, 2022   Record   Record  
Observed Daily Data   2022   2021   Norm   Depart   Highest   Lowest  
Maximum Temperature   56   62   66   -10   83   in 1941   51   in 1996  
Minimum Temperature   51   57   51   +0   65   in 2007   34   in 1945  
Average Temperature   54   60   59   -5   74   in 1941   44   in 1996  
 Month Avg Max Temperature   56.0   68.3   67.0   -11.0   79.8   in 1927   52.5   in 1899  
Month Avg Min Temperature   50.5   53.5   52.0   -1.5   62.8   in 1954   38.3   in 1899  
Month Average Temperature   53.5   61.3   59.5   -6.0   71.5   in 1927   45.8   in 1899  
High Heat Index                   85   in 1941            
Low Wind Chill   45                         34   in 1996  
Heating Degree Days   11   5   6   +5   21   in 1996   0   in 2009  
Month HDD   46   17   22   +24   77   in 1899   0   in 1954  
Season HDD   103   42   102   +1   254   in 1956   29   in 1921  
Cooling Degree Days   0   0   1   -1   9   in 1941   0   in    
Month CDD   0   2   4   -4   26   in 1927   0   in    
Year CDD   777   788   607   +170   868   in 2020   290   in 1902  
Maximum Dew Point   55   61   58   -3   71   in 1986   29   in 1965  
Minimum Dew Point   45   56   46   -1   64   in 2007   19   in 1965  
Average  Dew Point   50   59   52   -2   67   in 2007   24   in 1965  
 Month Avg Max Dew Point   52.3   59.8   58.5   -6.3   67.5   in 1954   39.3   in 1974  
Month Avg Min Dew Point   44.0   51.0   46.5   -2.5   61.0   in 1954   31.5   in 1965  
Month Average Dew Point   48.3   55.8   52.5   -4.3   64.3   in 1954   35.5   in 1974  
Precipitation   .35   1.07   .14   +.21   1.54   in 1999            
One Hour   .13   .41           .66   in 1999            
Hourly Rate   .24   1.49           2.44   in 2014            
Month Precipitation   1.26   1.10   .56   +.70   2.51   in 1984   .00   in 2020  
Year Precipitation   31.07   40.20   33.64   -2.57   48.53   in 1998   17.64   in 1957  
Snow   0.0   0.0   0.0   +0.0       in         in    
Snow Depth   0   0               in         in    
Month Snow   0.0   0.0   0.0   +0.0       in         in    
Season Snow   0.0   0.0   0.0   +0.0       in         in    
    October 4, 2022     Record Record
Observed Daily Data   2022   2021   Norm   Depart   Highest Lowest
Maximum Humidity   98%   99%   92%   +6%   100%   in 2007   52%   in 1965  
Minimum Humidity   79%   96%   60%   +19%   97%   in 1985   33%   in 1963  
Average Humidity   89%   98%   76%   +13%   99%   in 1985   46%   in 1965  
Maximum Barometer   30.15   30.11   30.11   +00.04   30.60   in 1996   29.73   in 1987  
Minimum Barometer   29.94   29.95   29.88   +00.06   30.33   in 1972   29.30   in 1986  
Average Barometer   30.05   30.03   29.99   +00.05   30.40   in 1996   29.53   in 1986  
Average Wind   15.3   6.4   7.4   +7.9   15.3   in 2022   1.5   in 2005  
Direction   NE   ENE   W       NE SSE
High Wind Gust   31   18   24   +7   56   in 1917   10   in 2005  
Direction   NNE   NNE   NNE       S SE
Maximum Water Temp   62.4   67.5   64.8   -2.4   68.2   in 2007   59.5   in 2010  
Minimum Water Temp   59.7   66.6   63.1   -3.4   66.6   in 2021   57.6   in 2010  
Average Water Temp   61.1   67.1   63.9   -2.9   67.1   in 2021   58.5   in 2010  
Sunrise/ AM Twilight   6:45:03 AM   6:18:07 AM            
Sunset / PM Twilight   6:21:42 PM   6:49:32 PM            
Length Of Day   11:36:39                          
Special Conditions   Fog                                  
Comments   Remnants of Hurricane Ian  
Hour-by-Hour Weather For October 4, 2022            
Climate Weather for October 4            
Weather History For October 4            
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