Portsmouth Rhode Island Weather Almanac  
Monday, January 9, 2023  
Cloudy, Light Rain/Snow Mix early, Mostly Cloudy Day to Clear PM, Light Winds and Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    January 9, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   42   45   39   +3   58   in 1937   15   in 1968  
Minimum Temperature   31   19   25   +6   46   in 2008   -5   in 1968  
Average Temperature   37   32   32   +5   50   in 1937   5   in 1968  
 Month Avg Max Temperature   45.3   41.3   39.6   +5.8   51.7   in 2007   23.0   in 1918  
Month Avg Min Temperature   34.8   26.8   25.8   +9.0   39.4   in 2007   8.1   in 1981  
Month Average Temperature   40.3   34.2   32.8   +7.6   45.7   in 2007   16.9   in 1904  
High Heat Index                                      
Low Wind Chill   23   19   11   +12             -26   in 1968  
Heating Degree Days   28   33   33   -5   60   in 1968   15   in 1937  
Month HDD   222   277   290   -68   433   in 1904   174   in 2007  
Season HDD   1915   1833   2160   -245   2872   in 1918   1602   in 2016  
Cooling Degree Days   0   #N/A   #REF!   #REF!   0   in 2023   0   in    
Month CDD                                 in    
Year CDD                                      
Maximum Dew Point   35   39   31   +4   52   in 1999   -9   in 1968  
Minimum Dew Point   25   10   15   +10   39   in 1998   -27   in 1968  
Average  Dew Point   30   25   23   +7   41   in 1998   -18   in 1968  
 Month Avg Max Dew Point   41.8   36.8   32.2   +9.6   46.8   in 2007   14.1   in 1981  
Month Avg Min Dew Point   31.2   18.2   16.3   +14.9   31.2   in 2023   -8.6   in 1981  
Month Average Dew Point   36.6   23.0   24.3   +12.2   38.3   in 2007   2.8   in 1981  
Precipitation   .04   .10   .12   -.08   2.04   in 1953            
One Hour   .02   .03           .28   in 1975            
Hourly Rate   .07   .04           .25   in 2019            
Month Precipitation   .86   1.41   1.10   -.24   4.52   in 1979   T   in 1901  
Year Precipitation   .86   1.41   1.10   -.24   4.52   in 1979   T   in 1901  
Snow   T   0.0   0.3   -0.3   5.8   in 1974       in    
Snow Depth   0   4           25   in 1996       in    
Month Snow   T   4.5   2.7   -2.7   24.9   in 1996   0.0   in 2007  
Season Snow   1.5   5.3   9.8   -8.3   40.7   in 1996   T   in 2000  
    January 9, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   96%   95%   82%   +14%   100%   in 2019   44%   in 1968  
Minimum Humidity   68%   68%   53%   +15%   97%   in 1998   26%   in 1968  
Average Humidity   82%   82%   67%   +15%   99%   in 1998   35%   in 1968  
Maximum Barometer   30.12   30.53   30.15   -00.03   30.77   in 2020   29.46   in 2003  
Minimum Barometer   29.80   29.86   29.80   +00.00   30.49   in 2017   28.44   in 1978  
Average Barometer   29.96   30.20   29.97   -00.01   30.60   in 2017   29.12   in 1978  
Average Wind   5.2   9.8   8.7   -3.5   22.2   in 1978   1.4   in 1981  
Direction   WNW   SW   WNW       SSW SSE
High Wind Gust   19   39   27   -8   56   in 1978   11   in 1981  
Direction   NW   SW   WNW       WSW SE
Maximum Water Temp   44.1   43.5   41.9   +2.2   50.0   in 2007   33.7   in 2018  
Minimum Water Temp   42.1   40.1   39.3   +2.8   47.8   in 2007   30.0   in 2018  
Average Water Temp   43.1   41.8   40.5   +2.6   48.9   in 2007   32.3   in 2018  
Sunrise/ AM Twilight   7:11:17 AM   6:40:19 AM            
Sunset / PM Twilight   4:33:15 PM   5:04:34 PM            
Length Of Day   9:21:58                          
Special Conditions   None                              
Comments      
Hour-by-Hour Weather For January 9, 2023            
Climate Weather for January 9            
Weather History For January 9            
Weather Calendar            
Back To Weather Stat Page            
Home