434  
CDUS43 KDTX 210538  
CLIDTW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
138 AM EDT THU AUG 21 2025  
   
...............................  
 
   
..THE DETROIT MI CLIMATE SUMMARY FOR AUGUST 20 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 71 724 PM 96 1916 81 -10 73  
MINIMUM 66 655 AM 48 1949 63 3 55  
1977  
AVERAGE 69 72 -3 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.62 2007 0.10 -0.10 0.00  
MONTH TO DATE 1.20 2.15 -0.95 1.68  
SINCE JUN 1 12.27 8.92 3.35 7.59  
SINCE JAN 1 23.51 22.64 0.87 21.81  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 1  
MONTH TO DATE 0 0 0 1  
SINCE JUN 1 14 30 -16 11  
SINCE JUL 1 0 2 -2 2  
 
COOLING  
YESTERDAY 4 7 -3 0  
MONTH TO DATE 197 163 34 155  
SINCE JUN 1 782 622 160 662  
SINCE JAN 1 807 677 130 753    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 9.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 200 AM  
LOWEST 76 600 PM  
AVERAGE 80  
   
......................................................  
 
THE DETROIT MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 100 1955  
MINIMUM TEMPERATURE (F) 63 46 1876  
 
SUNRISE AND SUNSET  
AUGUST 21 2025........SUNRISE 647 AM EDT SUNSET 825 PM EDT  
AUGUST 22 2025........SUNRISE 648 AM EDT SUNSET 823 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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