829  
CDUS43 KDTX 180638  
CLIDTW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
138 AM EST MON DEC 18 2023  
   
...............................
 
 
   
..THE DETROIT MI CLIMATE SUMMARY FOR DECEMBER 17 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1874 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 48 119 AM 56 1984 37 11 31  
MINIMUM 42 1159 PM -7 1989 25 17 27  
AVERAGE 45 31 14 29  
 
PRECIPITATION (IN)  
YESTERDAY 0.22 0.85 1928 0.06 0.16 T  
1996  
MONTH TO DATE 1.24 1.23 0.01 0.79  
SINCE DEC 1 1.24 1.23 0.01 0.79  
SINCE JAN 1 35.62 33.30 2.32 22.76  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.4 1897 0.3 -0.3 0.1  
MONTH TO DATE T 4.2 -4.2 0.2  
SINCE DEC 1 T 4.2 -4.2 0.2  
SINCE JUL 1 2.4 6.1 -3.7 2.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 34 -14 36  
MONTH TO DATE 431 543 -112 482  
SINCE DEC 1 431 543 -112 482  
SINCE JUL 1 1528 1737 -209 1564  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 742 847 -105 1044    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1200 PM  
LOWEST 49 100 AM  
AVERAGE 73  
   
......................................................
 
 
THE DETROIT MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 54 1939  
MINIMUM TEMPERATURE (F) 25 -3 1989  
 
SUNRISE AND SUNSET  
DECEMBER 18 2023......SUNRISE 757 AM EST SUNSET 503 PM EST  
DECEMBER 19 2023......SUNRISE 757 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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