Portsmouth Rhode Island Weather Almanac  
Monday, January 30, 2023  
Mostly Cloudy early then Partly Cloudy, Light Winds, Continued Very Warm  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    January 30, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   52   22   37   +15   58   in 1924   15   in 1898  
Minimum Temperature   37   9   22   +15   41   in 1914   1   in 1952  
Average Temperature   45   16   30   +15   48   in 1924   9   in 1898  
 Month Avg Max Temperature   44.9   36.5   38.0   +6.9   45.4   in 1913   27.8   in 2004  
Month Avg Min Temperature   33.2   20.1   24.1   +9.1   33.2   in 2023   12.4   in 1982  
Month Average Temperature   39.3   28.5   31.2   +8.1   39.3   in 2023   21.6   in 2004  
High Heat Index                                      
Low Wind Chill   36   -10   10   +26             -15   in 1973  
Heating Degree Days   20   49   35   -15   56   in 1898   17   in 1924  
Month HDD   771   1094   1015   -244   1302   in 2004   771   in 2023  
Season HDD   2464   2650   2885   -421   3727   in 1918   2271   in 2016  
Cooling Degree Days   0   #N/A   #REF!   #REF!   0   in 2023   0   in    
Month CDD                                 in    
Year CDD                                      
Maximum Dew Point   40   6   27   +13   53   in 2013   -1   in 1977  
Minimum Dew Point   33   -8   11   +22   37   in 2006   -14   in 1993  
Average  Dew Point   37   -1   19   +18   43   in 2006   -7   in 1965  
 Month Avg Max Dew Point   39.6   29.2   30.0   +9.6   39.6   in 2023   15.2   in 1981  
Month Avg Min Dew Point   28.2   8.5   13.9   +14.3   28.2   in 2023   -1.1   in 1981  
Month Average Dew Point   34.1   13.8   22.0   +12.0   34.1   in 2023   7.1   in 1981  
Precipitation   .00   .00   .11   -.11   1.29   in 1894            
One Hour   .00   .00           .27   in 2001            
Hourly Rate   .00   .00           .42   in 2008            
Month Precipitation   7.08   3.70   3.56   +3.52   12.04   in 1979   .78   in 1955  
Year Precipitation   7.08   3.70   3.56   +3.52   12.04   in 1979   .78   in 1955  
Snow   0.0   0.0   0.3   -0.3   6.4   in 2018       in    
Snow Depth   0   19           25   in 2005       in    
Month Snow   0.8   23.9   9.7   -8.9   33.8   in 2005   T   in 1950  
Season Snow   2.3   24.7   16.8   -14.5   46.0   in 2005   0.8   in 2007  
    January 30, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   97%   77%   83%   +14%   100%   in 2006   38%   in 1980  
Minimum Humidity   62%   35%   52%   +10%   92%   in 2006   22%   in 2000  
Average Humidity   80%   56%   67%   +12%   96%   in 2006   34%   in 1980  
Maximum Barometer   30.19   30.18   30.12   +00.07   30.66   in 1999   29.43   in 1979  
Minimum Barometer   30.06   29.56   29.79   +00.27   30.38   in 1999   28.80   in 1966  
Average Barometer   30.13   29.87   29.96   +00.17   30.52   in 1999   29.12   in 1966  
Average Wind   4.2   12.1   8.1   -3.9   17.5   in 1962   1.4   in 1984  
Direction   WNW   WNW   WNW       NNW SE
High Wind Gust   15   33   26   -11   50   in 1971   12   in 2000  
Direction   W   NW   NW       SW SSW
Maximum Water Temp   43.5   38.3   38.7   +4.8   43.5   in 2023   31.8   in 2004  
Minimum Water Temp   42.6   35.6   36.3   +6.3   42.6   in 2023   29.7   in 2004  
Average Water Temp   43.1   37.0   37.5   +5.6   43.1   in 2023   30.8   in 2004  
Sunrise/ AM Twilight   6:58:56 AM   6:29:07 AM            
Sunset / PM Twilight   4:58:09 PM   5:27:58 PM            
Length Of Day   9:59:13                          
Special Conditions   Fog                                  
Comments      
Hour-by-Hour Weather For January 30, 2023            
Climate Weather for January 30            
Weather History For January 30            
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