225  
CDUS43 KDTX 180636  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
136 AM EST WED DEC 18 2024  
   
...............................  
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR DECEMBER 17 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 41 616 AM 51 2006 34 7 45  
MINIMUM 34 1159 PM -5 1951 23 11 41  
AVERAGE 38 28 10 43  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.74 1928 0.06 -0.06 0.02  
MONTH TO DATE 0.34 1.03 -0.69 0.67  
SINCE DEC 1 0.34 1.03 -0.69 0.67  
SINCE JAN 1 23.82 31.30 -7.48 33.69  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.8 2000 0.4 -0.4 0.0  
MONTH TO DATE 1.7 6.2 -4.5 1.1  
SINCE DEC 1 1.7 6.2 -4.5 1.1  
SINCE JUL 1 1.8 9.7 -7.9 2.6  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 27 36 -9 22  
MONTH TO DATE 584 582 2 463  
SINCE DEC 1 584 582 2 463  
SINCE JUL 1 1577 1973 -396 1711  
 
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 24 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 12.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 1200 AM  
LOWEST 64 1100 AM  
AVERAGE 72  
   
......................................................  
 
THE TRI CITIES MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 50 1957  
MINIMUM TEMPERATURE (F) 23 -5 1926  
 
SUNRISE AND SUNSET  
DECEMBER 18 2024......SUNRISE 805 AM EST SUNSET 502 PM EST  
DECEMBER 19 2024......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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