843  
CDUS43 KDTX 190555  
CLIDTW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
155 AM EDT TUE AUG 19 2025  
   
...............................
 
 
   
..THE DETROIT MI CLIMATE SUMMARY FOR AUGUST 18 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 79 317 PM 95 1947 81 -2 82  
MINIMUM 58 613 AM 46 1977 63 -5 67  
1981  
AVERAGE 69 72 -3 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.28 2019 0.10 -0.10 0.16  
MONTH TO DATE 1.09 1.95 -0.86 1.68  
SINCE JUN 1 12.16 8.72 3.44 7.59  
SINCE JAN 1 23.40 22.44 0.96 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 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 14 30 -16 10  
SINCE JUL 1 0 2 -2 1  
 
COOLING  
YESTERDAY 4 8 -4 10  
MONTH TO DATE 185 149 36 154  
SINCE JUN 1 770 608 162 661  
SINCE JAN 1 795 663 132 752    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 400 AM  
LOWEST 58 400 PM  
AVERAGE 73  
   
......................................................
 
 
THE DETROIT MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 95 1947  
MINIMUM TEMPERATURE (F) 63 44 1977  
 
SUNRISE AND SUNSET  
AUGUST 19 2025........SUNRISE 645 AM EDT SUNSET 828 PM EDT  
AUGUST 20 2025........SUNRISE 646 AM EDT SUNSET 826 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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