Portsmouth Rhode Island Weather Almanac  
Monday, June 17, 2024  
Partly Cloudy early then Clear, Breezy, Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2024
    June 17, 2024   Record   Record  
Observed Daily Data   2024   2023   Norm   Depart   Highest   Lowest  
Maximum Temperature   75   69   74   +1   91   in 1894   58   in 1959  
Minimum Temperature   58   58   58   +0   68   in 1957   44   in 1954  
Average Temperature   67   64   66   +1   79   in 1957   53   in 2003  
 Month Avg Max Temperature   74.9   70.9   71.8   +3.1   78.4   in 1925   63.7   in 1907  
Month Avg Min Temperature   57.6   54.2   55.6   +1.9   59.5   in 2008   48.4   in 1907  
Month Average Temperature   66.5   62.8   63.8   +2.7   68.8   in 1925   56.2   in 1907  
High Heat Index   77   70   75   +2   98   in 1894            
Low Wind Chill                             43   in 1954  
Heating Degree Days   0   1   1   -1   12   in 2003   0   in 2024  
Month Heating DD   5   55   40   -35   156   in 1907   3   in 1899  
Season Heating DD   4952   4777   5499   -547   6601   in 1905   4417   in 1932    
Cooling Degree Days   2   0   3   -1   14   in 1957   0   in 2023    
Month Cooling DD   31   17   28   +3   81   in 1984   0   in 1965    
Year Cooling DD   41   17   39   +2   86   in 1991   0   in 1916    
Maximum Dew Point   65   64   63   +2   73   in 2004   42   in 1964    
Minimum Dew Point   53   57   54   -1   65   in 2001   36   in 1965    
Average  Dew Point   59   61   58   +1   68   in 2001   39   in 1964  
 Month Avg Max Dew Point   63.5   60.3   60.9   +2.6   65.8   in 1996   52.3   in 1988  
Month Avg Min Dew Point   52.8   51.9   51.0   +1.8   55.4   in 2005   42.3   in 1958  
Month Average Dew Point   58.1   56.1   55.8   +2.3   60.2   in 1996   48.3   in 1988  
Precipitation   .00   .51   .12   -.12   2.41   in 2001            
One Hour Rain   .00   .12           1.08   in 2001            
Half Hour Rain   .00   .06           .27   in 2011            
Hourly Rain Rate   .00   1.13           6.78   in 2022            
Month Precipitation   .77   1.22   2.01   -1.24   8.66   in 1982   T   in 1949  
Year Precipitation   29.93   21.89   21.18   +8.75   38.11   in 1998   12.64   in 1957  
Snow   0.0   0.0   ######   ######   0.0   in 1900            
Snow Depth   0   0   38885   -38885   43999   in              
Month Snow   #N/A   #N/A   #N/A   #N/A   #N/A   in #N/A   #N/A   in Many  
Season Snow   12.7   9.1   33.8   -21.1   84.1   in 1996   5.0   in 1998  
    June 17, 2024     Record Record
Observed Daily Data   2024   2023   Norm   Depart   Highest Lowest
Maximum Humidity   94%   98%   93%   +1%   100%   in 2017   57%   in 1964  
Minimum Humidity   68%   82%   58%   +10%   93%   in 1974   28%   in 1987  
Average Humidity   81%   90%   76%   +5%   96%   in 1974   44%   in 1964  
Maximum Barometer   30.26   29.69   30.05   +00.21   30.42   in 1978   29.69   in 2023  
Minimum Barometer   30.17   29.58   29.85   +00.32   30.23   in 1954   29.48   in 1958  
Average Barometer   30.22   29.64   29.95   +00.27   30.32   in 1978   29.63   in 1958  
Average Wind   9.3   4.4   5.7   +3.6   12.7   in 1986   1.2   in 1996  
Direction   S   WNW   S       WNW         SE        
High Wind Gust   25   17   21   +4   35   in 1964   10   in 2004  
Direction   S   W   S       W         ESE        
Maximum Water Temp   67.5   64.4   64.9   +2.6   69.6   in 2007   60.1   in 2020  
Minimum Water Temp   65.3   62.8   61.3   +4.0   66.4   in 2007   56.5   in 2006  
Average Water Temp   66.4   63.6   63.1   +3.3   68.0   in 2007   58.8   in 2020  
Sunrise/ AM Twilight   5:10:31 AM   4:37:03 AM            
Sunset / PM Twilight   8:21:32 PM   8:55:47 PM            
Length Of Day   15:11:01                          
Special Conditions   None                                  
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Hour-by-Hour Weather For June 17, 2024            
Climate Weather for June 17            
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