559  
CDUS43 KDTX 210637  
CLIDTW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
137 AM EST THU DEC 21 2023  
   
...............................  
 
   
..THE DETROIT MI CLIMATE SUMMARY FOR DECEMBER 20 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 43 225 PM 57 1988 36 7 35  
MINIMUM 28 806 AM 0 1884 24 4 25  
1942  
AVERAGE 36 30 6 30  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.01 1957 0.07 -0.07 0.00  
MONTH TO DATE 1.31 1.44 -0.13 0.79  
SINCE DEC 1 1.31 1.44 -0.13 0.79  
SINCE JAN 1 35.69 33.51 2.18 22.76  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.4 1951 0.3 -0.3 0.0  
MONTH TO DATE 0.1 5.1 -5.0 0.4  
SINCE DEC 1 0.1 5.1 -5.0 0.4  
SINCE JUL 1 2.5 7.0 -4.5 2.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 35 -6 35  
MONTH TO DATE 522 647 -125 594  
SINCE DEC 1 522 647 -125 594  
SINCE JUL 1 1619 1841 -222 1676  
 
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 12 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 1200 AM  
LOWEST 44 200 PM  
AVERAGE 61  
   
......................................................  
 
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 2023......SUNRISE 759 AM EST SUNSET 504 PM EST  
DECEMBER 22 2023......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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