634  
CDUS43 KDTX 210639  
CLIDTW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
139 AM EST SAT DEC 21 2024  
   
...............................
 
 
   
..THE DETROIT MI CLIMATE SUMMARY FOR DECEMBER 20 2024
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1874 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 33 415 PM 57 1988 36 -3 43  
MINIMUM 25 1156 PM 0 1884 24 1 28  
1942  
AVERAGE 29 30 -1 36  
 
PRECIPITATION (IN)  
YESTERDAY 0.07 1.01 1957 0.07 0.00 0.00  
MONTH TO DATE 1.23 1.44 -0.21 1.31  
SINCE DEC 1 1.23 1.44 -0.21 1.31  
SINCE JAN 1 30.42 33.51 -3.09 35.69  
 
SNOWFALL (IN)  
YESTERDAY 1.1 4.4 1951 0.3 0.8 0.0  
MONTH TO DATE 3.0 5.1 -2.1 0.1  
SINCE DEC 1 3.0 5.1 -2.1 0.1  
SINCE JUL 1 4.8 7.0 -2.2 2.5  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 36 35 1 29  
MONTH TO DATE 655 647 8 522  
SINCE DEC 1 655 647 8 522  
SINCE JUL 1 1499 1841 -342 1619  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 995 847 148 742    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 9.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 800 AM  
LOWEST 68 1100 PM  
AVERAGE 82  
   
......................................................
 
 
THE DETROIT MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 61 1967  
MINIMUM TEMPERATURE (F) 24 -6 1901  
 
SUNRISE AND SUNSET  
DECEMBER 21 2024......SUNRISE 759 AM EST SUNSET 504 PM EST  
DECEMBER 22 2024......SUNRISE 759 AM EST SUNSET 505 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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