Portsmouth Rhode Island Weather Almanac  
Monday, July 19, 2021  
Mostly Cloudy AM, Cloudy Day to Mostly Cloudy and Light Rain PM, Seasonal Temperatures  
Climate Normal Period Climate Record Period  
1991- 2020   1893 - 2021  
    July 19, 2021   Record   Record  
Observed Daily Data   2021   2020   Norm   Depart   Highest   Lowest  
Maximum Temperature   78   84   80   -2   92   in 1977   68   in 1902  
Minimum Temperature   68   69   65   +3   75   in 2013   55   in 1956  
Average Temperature   73   77   73   +0   82   in 2013   64   in 2000  
 Month Avg Max Temperature   78.2   80.4   79.6   -1.4   84.9   in 1955   74.6   in 2009  
Month Avg Min Temperature   65.3   65.0   64.3   +1.0   71.1   in 2013   57.7   in 1962  
Month Average Temperature   72.1   73.0   72.3   -0.3   77.4   in 2013   67.5   in 2009  
HDD   0   0   0   +0   1   in 2000   0   in    
Month HDD   9   0   3   +6   23   in 1914   0   in 2020  
Season HDD   9   0   3   +6   23   in 1914   0   in 2020  
CDD   8   12   8   +0   17   in 2013   0   in 2000  
Month CDD   143   152   139   +4   235   in 2013   54   in 1895  
Year CDD   305   285   232   +73   349   in 2010   92   in 2009  
Maximum Dew Point   72   74   69   +3   77   in 2013   59   in 2000  
Minimum Dew Point   65   67   61   +4   73   in 2013   45   in 1965  
Average  Dew Point   69   71   65   +4   75   in 2013   55   in 2018  
 Month Avg Max Dew Point   71.3   70.4   68.3   +2.9   74.2   in 2013   60.5   in 1978  
Month Avg Min Dew Point   62.9   62.6   59.8   +3.2   68.7   in 2013   50.9   in 1962  
Month Average Dew Point   67.1   66.5   64.1   +3.1   71.4   in 2013   55.9   in 1962  
Precipitation   .07   .00   .09   -.02   1.56   in 1919            
One Hour   .07   .00           .59   in 2004            
Hourly Rate   .35   .00           7.02   in 2004            
Month Precipitation   3.53   1.06   1.91   +1.62   5.31   in 2009   .01   in 1982  
Year Precipitation   22.59   22.08   24.48   -1.89   40.76   in 1998   13.52   in 1957  
Snow   0.0   0.0   0.0   +0.0   0.0   in              
Snow Depth   0   0           0   in              
Month Snow   #N/A   #N/A   #N/A   #N/A   #N/A   in #N/A   #N/A   in    
Season Snow   #N/A   #N/A   #N/A   #N/A   #N/A   in #N/A   #N/A   in #N/A  
    July 19, 2021     Record Record
Observed Daily Data   2021   2020   Norm   Depart   Highest Lowest
Maximum Humidity   97%   97%   93%   +4%   100%   in 2017   67%   in 1976  
Minimum Humidity   81%   69%   59%   +22%   89%   in 1988   35%   in 1997  
Average Humidity   89%   83%   76%   +13%   95%   in 1988   55%   in 1976  
Maximum Barometer   29.96   29.99   30.02   -00.06   30.24   in 2014   29.74   in 1966  
Minimum Barometer   29.90   29.87   29.83   +00.07   30.18   in 2014   29.47   in 1958  
Average Barometer   29.93   29.93   29.92   +00.01   30.21   in 2014   29.61   in 1966  
Average Wind   4.7   6.9   5.8   -1.1   11.0   in 1966   2.4   in 1999  
Direction   SW   SW   SW       SW         N        
High Wind Gust   21   26   21   -0   37   in 1974   12   in 2004  
Direction   SW   SW   SW       SW         E        
High Heat Index   81   91   83   -2   98   in 2013            
Low Wind Chill                             #N/A   in #N/A  
Maximum Water Temp   74.1   68.5   71.1   +3.0   75.7   in 2013   66.7   in 2001  
Minimum Water Temp   72.2   66.7   67.7   +4.5   72.8   in 2010   63.4   in 2004  
Average Water Temp   73.2   67.6   69.4   +3.8   73.9   in 2013   65.4   in 2001  
Sunrise/ AM Twilight   5:28:55 AM   4:56:35 AM            
Sunset / PM Twilight   8:14:23 PM   8:46:42 PM            
Length Of Day   14:45:28                          
Special Conditions   Fog                                  
Comments                                      
Hour-by-Hour Weather For July 19, 2021            
Climate Weather for July 19            
Weather History For July 19            
Weather Calendar            
Back To Weather Stat Page            
Home