Portsmouth Rhode Island Weather Almanac  
Saturday, December 24, 2022  
Clear early, Cloudy Day w/Light Snow Flurries to Clear PM, Windy, Bitter Cold  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2022
    December 24, 2022   Record   Record  
Observed Daily Data   2022   2021   Norm   Depart   Highest   Lowest  
Maximum Temperature   17   29   41   -24   67   in 2015   17   in 2022  
Minimum Temperature   8   22   28   -20   54   in 2015   2   in 1943  
Average Temperature   13   26   35   -22   61   in 2015   11   in 1943  
 Month Avg Max Temperature   43.2   47.1   44.0   -0.8   54.5   in 2015   31.0   in 1989  
Month Avg Min Temperature   30.7   33.8   30.8   -0.2   42.0   in 2015   14.7   in 1989  
Month Average Temperature   37.2   40.7   37.3   -0.1   48.6   in 2015   23.1   in 1989  
High Heat Index                                      
Low Wind Chill   -9   17   18   -27             -17   in 1975  
Heating Degree Days   52   39   30   +22   54   in 1943   4   in 2015  
Month HDD   667   583   662   +5   1006   in 1989   394   in 2015  
Season HDD   1488   1377   1652   -164   2234   in 1904   1189   in 2015  
Cooling Degree Days   0   0   #REF!   #REF!   0   in 2022   0   in    
Month CDD                                 in    
Year CDD   777   795   609   +168   871   in 2020   290   in 1902  
Maximum Dew Point   9   26   34   -25   64   in 2015   6   in 1989  
Minimum Dew Point   -2   6   19   -21   54   in 2015   -11   in 1975  
Average  Dew Point   4   16   26   -22   59   in 2015   -1   in 1975  
 Month Avg Max Dew Point   37.0   40.4   34.9   +2.1   49.4   in 2015   15.5   in 1989  
Month Avg Min Dew Point   22.8   21.3   19.6   +3.2   37.0   in 2015   -1.3   in 1989  
Month Average Dew Point   30.2   31.0   27.3   +2.9   43.4   in 2015   7.1   in 1989  
Precipitation   T   .04   .14   +.00   1.83   in 1994            
One Hour   .00   .00           .45   in 1994            
Hourly Rate   .00   .00           1.77   in 2015            
Month Precipitation   4.66   1.08   3.58   +1.08   9.27   in 1936   .45   in 1943  
Year Precipitation   42.47   46.66   45.01   -2.54   65.27   in 1983   27.14   in 1965  
Snow   T   0.6   0.3   -0.3   7.2   in 1912       in    
Snow Depth   0   0           16   in 2009       in    
Month Snow   1.5   0.8   4.5   -3.0   21.3   in 1981   0.0   in 2015  
Season Snow   1.5   0.8   5.1   -3.6   21.3   in 1898   0.0   in 2015  
    December 24, 2022     Record Record
Observed Daily Data   2022   2021   Norm   Depart   Highest Lowest
Maximum Humidity   73%   92%   88%   -15%   100%   in 2015   56%   in 1953  
Minimum Humidity   58%   42%   59%   -1%   98%   in 2014   26%   in 1999  
Average Humidity   66%   67%   73%   -8%   99%   in 2014   46%   in 1999  
Maximum Barometer   29.82   30.23   30.16   -00.34   30.68   in 1949   29.59   in 1994  
Minimum Barometer   29.46   29.95   29.79   -00.33   30.52   in 1959   29.19   in 1968  
Average Barometer   29.64   30.09   29.97   -00.33   30.58   in 1959   29.41   in 1968  
Average Wind   12.0   3.5   7.8   +4.2   18.5   in 1994   2.1   in 1959  
Direction   W   NE   W       NNE N
High Wind Gust   30   12   26   +4   61   in 1994   11   in 1982  
Direction   WSW   NNW   WNW       NNE N
Maximum Water Temp   45.9   44.8   44.6   +1.3   51.5   in 2015   40.3   in 2019  
Minimum Water Temp   39.0   42.4   42.1   -3.1   50.3   in 2015   37.0   in 2019  
Average Water Temp   42.5   43.6   43.4   -0.9   50.9   in 2015   38.7   in 2019  
Sunrise/ AM Twilight   7:09:38 AM   6:39:59 AM            
Sunset / PM Twilight   4:19:49 PM   4:49:42 PM            
Length Of Day   9:10:11                          
Special Conditions   None                              
Comments   Record Low Maximum temperature of 17° for date  
Hour-by-Hour Weather For December 24, 2022            
Climate Weather for December 24            
Weather History For December 24            
Weather Calendar            
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