339  
CDUS43 KDTX 192022  
CLIMBS  
 
CLIMATE REPORT...CORRECTED  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
322 PM EST THU DEC 19 2024  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR DECEMBER 18 2024
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1912 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 36 137 PM 50 1957 34 2 41  
MINIMUM 30 1159 PM -5 1926 23 7 29  
AVERAGE 33 28 5 35  
 
PRECIPITATION (IN)  
YESTERDAY T 0.55 1977 0.05 -0.05 0.10  
MONTH TO DATE 0.34 1.08 -0.74 0.77  
SINCE DEC 1 0.34 1.08 -0.74 0.77  
SINCE JAN 1 23.82 31.35 -7.53 33.79  
 
SNOWFALL (IN)  
YESTERDAY T 4.7 1951 0.4 -0.4 0.9  
MONTH TO DATE 1.7 6.6 -4.9 2.0  
SINCE DEC 1 1.7 6.6 -4.9 2.0  
SINCE JUL 1 1.8 10.1 -8.3 3.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 37 -5 30  
MONTH TO DATE 616 619 -3 493  
SINCE DEC 1 616 619 -3 493  
SINCE JUL 1 1609 2010 -401 1741  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 780 632 148 587    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 7.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 900 AM  
LOWEST 58 1000 PM  
AVERAGE 73  
   
......................................................
 
 
THE TRI CITIES MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 52 1923  
MINIMUM TEMPERATURE (F) 22 -9 1951  
 
SUNRISE AND SUNSET  
DECEMBER 19 2024......SUNRISE 805 AM EST SUNSET 502 PM EST  
DECEMBER 20 2024......SUNRISE 806 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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