558  
CDUS43 KDTX 210637  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
137 AM EST THU DEC 21 2023  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR DECEMBER 20 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1912 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 39 400 PM 58 1957 33 6 31  
MINIMUM 28 730 PM -5 1942 22 6 21  
AVERAGE 34 28 6 26  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.57 1951 0.05 -0.05 0.00  
MONTH TO DATE 0.77 1.19 -0.42 0.66  
SINCE DEC 1 0.77 1.19 -0.42 0.66  
SINCE JAN 1 33.79 31.46 2.33 26.75  
 
SNOWFALL (IN)  
YESTERDAY 0.0 7.2 1951 0.4 -0.4 0.0  
MONTH TO DATE 2.0 7.4 -5.4 1.5  
SINCE DEC 1 2.0 7.4 -5.4 1.5  
SINCE JUL 1 3.5 10.9 -7.4 6.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 37 -6 39  
MONTH TO DATE 561 693 -132 647  
SINCE DEC 1 561 693 -132 647  
SINCE JUL 1 1809 2084 -275 1920  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 587 632 -45 727    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 5.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 800 PM  
LOWEST 56 1200 AM  
AVERAGE 69  
   
......................................................
 
 
THE TRI CITIES MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 59 1967  
MINIMUM TEMPERATURE (F) 22 -6 1989  
 
SUNRISE AND SUNSET  
DECEMBER 21 2023......SUNRISE 806 AM EST SUNSET 503 PM EST  
DECEMBER 22 2023......SUNRISE 807 AM EST SUNSET 503 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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