Portsmouth Rhode Island Weather Almanac  
Saturday, July 30, 2022  
Cloudy & Light Rain early, Partly Cloudy Day to Clear PM, Very Warm, Less Humid  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2022
    July 30, 2022   Record   Record  
Observed Daily Data   2022   2021   Norm   Depart   Highest   Lowest  
Maximum Temperature   86   81   80   +6   93   in 1949   64   in 1914  
Minimum Temperature   70   65   65   +5   73   in 2020   54   in 1968  
Average Temperature   78   73   73   +5   83   in 1949   61   in 1914  
 Month Avg Max Temperature   82.1   79.1   79.7   +2.4   84.7   in 1952   74.1   in 1902  
Month Avg Min Temperature   66.5   64.9   64.6   +1.8   69.9   in 2013   59.4   in 1962  
Month Average Temperature   74.5   72.3   72.6   +2.0   76.1   in 2013   67.7   in 1914  
High Heat Index   87   83   83   +4   108   in 1949            
Low Wind Chill                             0   in    
Heating Degree Days   0   0   0   +0   4   in 1914   0   in 2022  
Month HDD   0   9   3   -3   32   in 1914   0   in 2022  
Season HDD   0   9   3   -3   32   in 1914   0   in 2022  
Cooling Degree Days   13   8   8   +5   18   in 1949       in    
Month CDD   286   228   227   +59   334   in 2013   102   in 1902  
Year CDD   381   390   320   +61   468   in 2010   127   in 1902  
Maximum Dew Point   69   70   69   +0   76   in 2019   54   in 1968  
Minimum Dew Point   59   50   61   -2   69   in 2020   44   in 1997  
Average  Dew Point   64   60   65   -1   73   in 2019   49   in 1968  
 Month Avg Max Dew Point   70.7   70.4   68.6   +2.1   73.4   in 1994   61.9   in 1965  
Month Avg Min Dew Point   61.7   61.6   60.2   +1.5   67.0   in 2013   51.8   in 1965  
Month Average Dew Point   66.2   66.0   64.4   +1.8   70.1   in 2013   56.9   in 1965  
Precipitation   .02   .00   .10   -.08   2.77   in 1963            
One Hour   .01   .00           1.07   in 1963            
Hourly Rate   .00   .00           2.27   in 2007            
Month Precipitation   .51   3.77   2.98   -2.47   8.79   in 2009   .36   in 1952  
Year Precipitation   23.41   22.83   25.55   -2.14   41.06   in 1998   14.32   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   #N/A   #N/A   #N/A   #N/A   #N/A   in #N/A   #N/A   in #N/A  
    July 30, 2022     Record Record
Observed Daily Data   2022   2021   Norm   Depart   Highest Lowest
Maximum Humidity   97%   97%   93%   +4%   100%   in 2016   70%   in 1968  
Minimum Humidity   44%   51%   57%   -13%   97%   in 1976   35%   in 1995  
Average Humidity   71%   74%   75%   -4%   99%   in 1976   53%   in 1968  
Maximum Barometer   30.11   29.90   30.03   +00.08   30.39   in 1968   29.77   in 1993  
Minimum Barometer   29.85   29.62   29.85   +00.00   30.17   in 2005   29.25   in 1960  
Average Barometer   29.98   29.76   29.94   +00.04   30.23   in 1984   29.53   in 1960  
Average Wind   6.3   8.5   5.1   +1.2   13.4   in 1960   1.0   in 1965  
Direction   NW   NW   SSW       S         SSE        
High Wind Gust   24   24   19   +5   48   in 1960   8   in 2005  
Direction   NW   NW   S       SSE         S        
Maximum Water Temp   73.0   73.6   71.6   +1.4   74.7   in 2006   67.3   in 2017  
Minimum Water Temp   70.9   72.1   68.1   +2.8   72.1   in 2021   64.0   in 2017  
Average Water Temp   72.0   72.9   70.0   +2.0   72.9   in 2021   65.7   in 2017  
Sunrise/ AM Twilight   5:37:43 AM   5:07:59 AM            
Sunset / PM Twilight   8:04:40 PM   8:35:19 PM            
Length Of Day   14:26:57                          
Special Conditions   None                              
Comments   Station area in severe drought conditions  
Hour-by-Hour Weather For July 30, 2022            
Climate Weather for July 30            
Weather History For July 30            
Weather Calendar            
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