Portsmouth Rhode Island Weather Almanac  
Tuesday, January 9, 2024  
Partly Cloudy early then Cloudy, Heavy Rain & Fog PM, Windy and Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2024
    January 9, 2024   Record   Record  
Observed Daily Data   2024   2023   Norm   Depart   Highest   Lowest  
Maximum Temperature   47   42   39   +8   58   in 1937   15   in 1968  
Minimum Temperature   25   31   25   +0   46   in 2008   -5   in 1968  
Average Temperature   36   37   32   +4   50   in 1937   5   in 1968  
 Month Avg Max Temperature   39.4   45.3   39.6   -0.1   51.7   in 2007   23.0   in 1918  
Month Avg Min Temperature   25.6   34.8   25.8   -0.2   39.4   in 2007   8.1   in 1981  
Month Average Temperature   32.6   40.3   32.8   -0.2   45.7   in 2007   16.9   in 1904  
High Heat Index                   #N/A   in #N/A            
Low Wind Chill   21   23   11   +10             -26   in 1968  
Heating Degree Days   29   28   33   -4   60   in 1968   15   in 1937  
Month Heating DD   292   222   290   +2   433   in 1904   174   in 2007  
Season Heating DD   1969   1915   2160   -191   2872   in 1918   1602   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   46   35   31   +15   52   in 1999   -9   in 1968  
Minimum Dew Point   23   25   15   +8   39   in 1998   -27   in 1968  
Average  Dew Point   35   30   23   +12   41   in 1998   -18   in 1968  
 Month Avg Max Dew Point   31.4   41.8   32.2   -0.8   46.8   in 2007   14.1   in 1981  
Month Avg Min Dew Point   20.0   31.2   16.3   +3.7   31.2   in 2023   -8.6   in 1981  
Month Average Dew Point   26.0   36.6   24.3   +1.7   38.3   in 2007   2.8   in 1981  
Precipitation   1.05   .04   .12   +.93   2.04   in 1953            
One Hour Rain   .26   .02           .28   in 1975            
Half Hour Rain   .15   .02           .15   in 2024            
Hourly Rain Rate   .49   .07           .49   in 2024            
Month Precipitation   1.70   .86   1.10   +.60   4.52   in 1979   T   in 1901  
Year Precipitation   1.70   .86   1.10   +.60   4.52   in 1979   T   in 1901  
Snow   0.0   T   0.3   -0.3   5.8   in 1974            
Snow Depth   2   0   1   +1   25   in 1996            
Month Snow   3.4   T   2.7   +0.7   24.9   in 1996   0.0   in 2007  
Season Snow   3.5   1.5   9.8   -6.3   40.7   in 1996   T   in 2000  
    January 9, 2024     Record Record
Observed Daily Data   2024   2023   Norm   Depart   Highest Lowest
Maximum Humidity   99%   96%   83%   +16%   100%   in 2019   44%   in 1968  
Minimum Humidity   82%   68%   53%   +29%   97%   in 1998   26%   in 1968  
Average Humidity   91%   82%   68%   +23%   99%   in 1998   35%   in 1968  
Maximum Barometer   30.45   30.12   30.15   +00.30   30.77   in 2020   29.46   in 2003  
Minimum Barometer   29.49   29.80   29.79   -00.30   30.49   in 2017   28.44   in 1978  
Average Barometer   29.97   29.96   29.97   -00.00   30.60   in 2017   29.12   in 1978  
Average Wind   9.2   5.2   8.8   +0.4   22.2   in 1978   1.4   in 1981  
Direction   ESE   WNW   WNW       SSW SSE
High Wind Gust   44   19   27   +17   56   in 1978   11   in 1981  
Direction   ESE   NW   WNW       WSW SE
Maximum Water Temp   44.6   44.1   42.0   +2.6   50.0   in 2007   33.7   in 2018  
Minimum Water Temp   43.2   42.1   39.4   +3.8   47.8   in 2007   30.0   in 2018  
Average Water Temp   43.9   43.1   40.6   +3.3   48.9   in 2007   32.3   in 2018  
Sunrise/ AM Twilight   7:11:20 AM   6:40:19 AM            
Sunset / PM Twilight   4:33:15 PM   5:04:34 PM            
Length Of Day   16:33:00                          
Special Conditions   Fog                                  
Comments      
Hour-by-Hour Weather For January 9, 2024            
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