Portsmouth Rhode Island Weather Almanac  
Tuesday, April 2, 2024  
Partly Cloudy early to Cloudy, Rain PM, Light Winds, Warm  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2024
    April 2, 2024   Record   Record  
Observed Daily Data   2024   2023   Norm   Depart   Highest   Lowest  
Maximum Temperature   52   52   51   +1   72   in 1986   35   in 1911  
Minimum Temperature   38   36   36   +2   45   in 2006   20   in 1919  
Average Temperature   45   44   44   +1   59   in 1986   30   in 1919  
 Month Avg Max Temperature   51.5   52.0   50.5   +1.0   68.0   in 1955   36.0   in 1923  
Month Avg Min Temperature   38.0   41.0   35.5   +2.5   46.5   in 2016   19.0   in 1923  
Month Average Temperature   45.0   46.5   43.5   +1.5   54.0   in 1986   27.5   in 1923  
High Heat Index                   0   in 1900            
Low Wind Chill   29   30   28   +1             12   in 1954  
Heating Degree Days   20   21   21   -1   35   in 1919   6   in 1986  
Month Heating DD   40   37   43   -3   75   in 1923   22   in 1986  
Season Heating DD   4269   4104   4724   -455   5715   in 1918   3887   in 2016  
Cooling Degree Days   0   0   0   +0       in     0   in Many  
Month Cooling DD   0   0   0   +0   3   in 2022   0   in Many  
Year Cooling DD   726   784   609   +117   871   in 2020   290   in 1902  
Maximum Dew Point   44   47   39   +5   54   in 1957   19   in 1982  
Minimum Dew Point   36   8   25   +11   42   in 1953   6   in 1965  
Average  Dew Point   40   28   32   +8   46   in 2016   14   in 2013  
 Month Avg Max Dew Point   44.0   49.5   38.5   +5.5   53.0   in 2016   18.0   in 1965  
Month Avg Min Dew Point   32.0   26.5   25.0   +7.0   45.0   in 2016   5.0   in 1965  
Month Average Dew Point   38.0   38.0   32.0   +6.0   49.0   in 2016   11.5   in 1965  
Precipitation   .27   .00   .15   +.12   2.92   in 1970            
One Hour Rain   .07   .00           .49   in 1973            
Half Hour Rain   .04   .00           .20   in 2005            
Hourly Rain Rate   .16   .00           .91   in 2005            
Month Precipitation   .27   .59   .30   -.03   2.93   in 1970   .00   in 2015  
Year Precipitation   19.11   14.09   11.89   +7.22   21.34   in 1998   6.44   in 2012  
Snow   0.0   0.0   0.1   -0.1   3.2   in 2018            
Snow Depth   0   0   0   +0   7   in 1970            
Month Snow   0.0   0.0   0.2   -0.2   5.5   in 1997   0.0   in 2024  
Season Snow   12.7   9.1   33.5   -20.8   78.0   in 2005   5.0   in 1998  
    April 2, 2024     Record Record
Observed Daily Data   2024   2023   Norm   Depart   Highest Lowest
Maximum Humidity   96%   96%   87%   +9%   100%   in 2005   50%   in 1982  
Minimum Humidity   67%   24%   50%   +17%   94%   in 1959   15%   in 2006  
Average Humidity   82%   60%   68%   +13%   97%   in 1959   37%   in 1982  
Maximum Barometer   30.06   30.10   30.04   +00.02   30.48   in 2019   29.37   in 1966  
Minimum Barometer   29.94   29.28   29.72   +00.22   30.15   in 1960   28.98   in 1973  
Average Barometer   30.00   29.69   29.88   +00.12   30.31   in 2019   29.22   in 1966  
Average Wind   6.1   12.9   8.5   -2.4   17.7   in 1954   2.4   in 1990  
Direction   E   NW   NNW       WSW   SSE  
High Wind Gust   16   39   27   -11   51   in 1954   11   in 2009  
Direction   NNE   NNW   NNW       WSW   SE  
Maximum Water Temp   45.3   45.5   43.4   +1.9   49.2   in 2010   39.8   in 2020  
Minimum Water Temp   44.1   43.3   41.1   +3.0   46.0   in 2012   37.4   in 2003  
Average Water Temp   44.7   44.4   42.3   +2.4   46.8   in 2012   38.8   in 2015  
Sunrise/ AM Twilight   6:25:28 AM   5:56:34 AM            
Sunset / PM Twilight   7:12:05 PM   7:40:25 PM            
Length Of Day   12:46:37                          
Special Conditions   Fog                                  
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