Portsmouth Rhode Island Weather Almanac
Sunday, March 1, 2020
Clear early, Partly Cloudy Day to Clear PM, Windy and Cold
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2020  
    March 1, 2020     Record Record
Observed Daily Data   Observed   2019   Normal   Depart   Highest Lowest
Maximum Temperature   36   35   42   -6   60   in 2018   26   in 1980  
Minimum Temperature   20   20   27   -7   46   in 2017   7   in 1897  
Average Temperature   28   28   34   -6   50   in 2018   17   in 1980  
Precipitation   .00   .00   .14   -.14   1.77   in 1987        
One Hour   .00   .00           .45   in 1987            
Snow   0.0   0.0   0.3   -0.3   9.3   in 1959            
Snow Depth   0   1           16   in 2015            
HDD   37   37   30   +7   48   in 1980   15   in 2018  
CDD   0   0   0   +0   0   in              
Maximum Dew Point   15   26   31   -16   51   in 2017   -8   in 1980  
Minimum Dew Point   9   9   15   -6   44   in 2017   -15   in 1980  
Average  Dew Point   12   18   23   -11   48   in 2017   -12   in 1980  
Maximum Humidity   67%   79%   84%   -17%   100%   in 2017   35%   in 1980  
Minimum Humidity   33%   41%   50%   -17%   92%   in 2012   21%   in 1988  
Average Humidity   50%   60%   67%   -17%   95%   in 2012   29%   in 1980  
Maximum Barometer   30.18   30.41   30.12   +00.06   30.74   in 1934   29.39   in 2005  
Minimum Barometer   29.97   30.22   29.76   +00.21   30.34   in 1994   28.93   in 1966  
Average Barometer   30.08   30.32   29.94   +00.14   30.41   in 1994   29.28   in 1999  
Average Wind   10.6   4.3   8.3   +2.3   15.9   in 1968   2.6   in 2015  
Direction   NW   SSE   WNW       NNW         S        
High Wind Gust   24   13   26   -2   52   in 1941   12   in 1998  
Direction   WNW   SSE   WNW       NE         E        
Wind Chill   7   15   16   -9             -10   in 1980  
Maximum Water Temp   35.7   34.9   39.1   -3.4   43.4   in 2012   31.7   in 2015  
Minimum Water Temp   34.6   33.1   37.2   -2.6   42.1   in 2012   30.3   in 2015  
Average Water Temp   35.2   34.0   38.1   -3.0   42.8   in 2012   31.0   in 2015  
Sunrise/ AM Twilight   6:17:27 AM   5:49:47 AM            
Sunset / PM Twilight   5:37:08 PM   6:04:47 PM            
Length Of Day   11:19:41                          
Special Conditions                                      
Comments      
    March 1, 2020     Record Record
Month-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
 Avg Maximum Temperature   36.0   35.0   42.0   -6.0   60.0   in 2018   26.0   in 1980  
Avg Minimum Temperature   20.0   20.0   27.0   -7.0   46.0   in 2017   7.0   in 1897  
Average Temperature   28.0   28.0   34.0   -6.0   50.0   in 2018   17.0   in 1980  
Total Precipitation   .00   .00   .14   -.14   1.77   in 1987   .00   in 2020  
Total Snow   0.0   0.0   0.3   -0.3   9.3   in 1959   0.0   in 2020  
Total HDD   37   37   30   +7   48   in 1980   15   in 2018  
Total CDD   0   0   0   +0   0   in     0   in    
Avg Maximum Dew Point   15.0   26.0   30.7   -15.7   51.0   in 2017   -8.0   in 1980  
Avg Minimum Dew Point   9.0   9.0   15.2   -6.2   44.0   in 2017   -15.0   in 1980  
Average  Dew Point   12.0   18.0   23.0   -11.0   48.0   in 2017   -11.5   in 1980  
    March 1, 2020     Record Record
Year-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
Total Precipitation   5.81   9.11   7.47   -1.66   17.40   in 1979   2.65   in 1980  
Total Snow (since Jul 1 18)   12.2   11.3   26.3   -14.1   67.6   in 2005   4.7   in 1998  
Total HDD (since Jul 1 18)   3598   3925   4012   -414   4849   in 1918   3193   in 2016  
Total CDD (since Jan 1)   0   0   0   +0   0   in     0   in    
                             
Hour-by-Hour Weather For March 1, 2020
Climate Weather for March 1
Weather History For March 1
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