Portsmouth Rhode Island Weather Almanac  
Monday, January 8, 2024  
Cloudy early then Clear, Windy, Continued Cool  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2024
    January 8, 2024   Record   Record  
Observed Daily Data   2024   2023   Norm   Depart   Highest   Lowest  
Maximum Temperature   35   36   39   -4   57   in 1930   9   in 1968  
Minimum Temperature   25   26   25   +0   46   in 1930   2   in 2015  
Average Temperature   30   31   32   -2   52   in 1930   6   in 1968  
 Month Avg Max Temperature   38.5   45.8   39.6   -1.1   52.8   in 2007   22.4   in 1918  
Month Avg Min Temperature   25.6   35.3   25.9   -0.3   40.3   in 2007   6.9   in 1904  
Month Average Temperature   32.1   40.8   32.9   -0.8   46.6   in 2007   15.1   in 1904  
High Heat Index                   #N/A   in #N/A            
Low Wind Chill   16   17   11   +5             -21   in 1968  
Heating Degree Days   35   34   33   +2   59   in 1968   13   in 1930  
Month Heating DD   263   194   257   +6   399   in 1904   147   in 2007  
Season Heating DD   1940   1887   2127   -187   2833   in 1918   1580   in 2016  
Cooling Degree Days   0   0   0   +0       in     0   in Many  
Month Cooling DD   0   0   0   +0   3   in 2022   0   in Many  
Year Cooling DD   726   784   609   +117   871   in 2020   290   in 1902  
Maximum Dew Point   27   30   32   -5   55   in 2007   -11   in 1968  
Minimum Dew Point   23   18   16   +7   41   in 2008   -20   in 1968  
Average  Dew Point   25   24   24   +1   45   in 1998   -16   in 1968  
 Month Avg Max Dew Point   29.6   42.6   32.4   -2.8   49.0   in 2007   14.6   in 2018  
Month Avg Min Dew Point   19.6   32.0   16.5   +3.1   32.0   in 2023   -9.3   in 1981  
Month Average Dew Point   24.9   37.4   24.5   +0.4   40.0   in 2007   2.7   in 1981  
Precipitation   .00   .00   .13   -.13   1.73   in 1979            
One Hour Rain   .00   .00           .26   in 2007            
Half Hour Rain   .00   .00           .16   in 2007            
Hourly Rain Rate   .00   .00           1.44   in 2007            
Month Precipitation   .65   .82   .98   -.33   4.52   in 1979   .00   in 1901  
Year Precipitation   .65   .82   .98   -.33   4.52   in 1979   .00   in 1901  
Snow   0.0   0.0   0.3   -0.3   13.5   in 1996            
Snow Depth   3   0   1   +2   16   in 2017            
Month Snow   3.4   0.0   2.4   +1.0   24.8   in 1996   0.0   in 2023  
Season Snow   3.5   1.5   9.5   -6.0   40.6   in 1996   T   in 2000  
    January 8, 2024     Record Record
Observed Daily Data   2024   2023   Norm   Depart   Highest Lowest
Maximum Humidity   91%   86%   82%   +9%   100%   in 2019   38%   in 1968  
Minimum Humidity   70%   50%   53%   +17%   98%   in 1998   24%   in 1950  
Average Humidity   81%   68%   67%   +13%   99%   in 1998   34%   in 1968  
Maximum Barometer   30.43   30.31   30.12   +00.31   30.95   in 1991   29.45   in 2011  
Minimum Barometer   29.90   30.12   29.76   +00.14   30.43   in 1991   28.77   in 1958  
Average Barometer   30.17   30.22   29.94   +00.23   30.69   in 1991   29.23   in 1958  
Average Wind   10.0   5.8   9.4   +0.6   17.8   in 1996   2.9   in 2006  
Direction   NW   NW   WNW       N ESE
High Wind Gust   24   23   29   -5   50   in 1958   13   in 2001  
Direction   NNW   NNW   WNW       NNW N
Maximum Water Temp   45.3   44.8   41.6   +3.7   50.5   in 2007   31.8   in 2018  
Minimum Water Temp   43.5   41.9   39.3   +4.2   49.3   in 2007   29.1   in 2018  
Average Water Temp   44.4   43.4   40.3   +4.1   49.9   in 2007   30.5   in 2018  
Sunrise/ AM Twilight   7:11:30 AM   6:40:28 AM            
Sunset / PM Twilight   4:32:13 PM   5:03:35 PM            
Length Of Day   16:31:58                          
Special Conditions   None                              
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