249  
CDUS43 KDTX 182138  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
438 PM EST MON DEC 18 2023  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR DECEMBER 18 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 41 1222 AM 50 1957 34 7 31  
MINIMUM 32 359 PM -5 1926 23 9 25  
AVERAGE 37 28 9 28  
 
PRECIPITATION (IN)  
TODAY 0.10 0.55 1977 0.05 0.05 T  
MONTH TO DATE 0.77 1.08 -0.31 0.66  
SINCE DEC 1 0.77 1.08 -0.31 0.66  
SINCE JAN 1 33.79 31.35 2.44 26.75  
 
SNOWFALL (IN)  
TODAY 0.6 4.7 1951 0.4 0.2 0.2  
MONTH TO DATE 1.7 6.6 -4.9 1.5  
SINCE DEC 1 1.7 6.6 -4.9 1.5  
SINCE JUL 1 3.2 10.1 -6.9 6.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 28 37 -9 37  
MONTH TO DATE 491 619 -128 568  
SINCE DEC 1 491 619 -128 568  
SINCE JUL 1 1739 2010 -271 1841  
 
COOLING  
TODAY 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 32 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 14.8  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96  
LOWEST 72  
AVERAGE 84  
   
......................................................
 
 
THE TRI CITIES MI CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 52 1923  
MINIMUM TEMPERATURE (F) 22 -9 1951  
 
SUNRISE AND SUNSET  
DECEMBER 18 2023......SUNRISE 804 AM EST SUNSET 501 PM EST  
DECEMBER 19 2023......SUNRISE 805 AM EST SUNSET 502 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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