239  
CDUS43 KDTX 170538  
CLIDTW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
138 AM EDT THU APR 17 2025  
   
...............................  
 
   
..THE DETROIT MI CLIMATE SUMMARY FOR APRIL 16 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1874 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 55 356 PM 86 2002 59 -4 69  
MINIMUM 36 255 AM 17 1875 39 -3 46  
AVERAGE 46 49 -3 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.19 1930 0.11 -0.11 T  
MONTH TO DATE 2.79 1.63 1.16 2.03  
SINCE MAR 1 4.57 4.06 0.51 4.06  
SINCE JAN 1 7.09 8.37 -1.28 9.55  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.0 1943 0.0 0.0 0.0  
MONTH TO DATE 1.8 1.1 0.7 T  
SINCE MAR 1 2.2 7.3 -5.1 0.9  
SINCE JUL 1 28.7 44.6 -15.9 23.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 19 16 3 7  
MONTH TO DATE 343 304 39 214  
SINCE MAR 1 1011 1165 -154 911  
SINCE JUL 1 5205 5657 -452 4730  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 1 -1 0  
SINCE JAN 1 0 1 -1 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 10.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 100 AM  
LOWEST 28 400 PM  
AVERAGE 52  
   
......................................................  
 
THE DETROIT MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 85 1976  
MINIMUM TEMPERATURE (F) 40 10 1875  
 
SUNRISE AND SUNSET  
APRIL 17 2025.........SUNRISE 649 AM EDT SUNSET 817 PM EDT  
APRIL 18 2025.........SUNRISE 647 AM EDT SUNSET 819 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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