118  
CDUS43 KDTX 160537  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
137 AM EDT SAT AUG 16 2025  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR AUGUST 15 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1912 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 86 417 PM 96 1944 80 6 82  
MINIMUM 65 642 AM 43 2004 60 5 59  
AVERAGE 76 70 6 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.69 1951 0.14 -0.14 T  
MONTH TO DATE 1.82 1.92 -0.10 1.44  
SINCE JUN 1 6.32 8.03 -1.71 7.03  
SINCE JAN 1 16.66 20.34 -3.68 17.70  
 
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 1  
SINCE JUN 1 19 56 -37 29  
SINCE JUL 1 1 9 -8 4  
 
COOLING  
YESTERDAY 11 6 5 6  
MONTH TO DATE 135 90 45 93  
SINCE JUN 1 629 446 183 525  
SINCE JAN 1 654 490 164 569    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 4.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 600 AM  
LOWEST 48 200 PM  
AVERAGE 74  
   
......................................................
 
 
THE TRI CITIES MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 96 1936  
MINIMUM TEMPERATURE (F) 60 41 1979  
 
SUNRISE AND SUNSET  
AUGUST 16 2025........SUNRISE 643 AM EDT SUNSET 838 PM EDT  
AUGUST 17 2025........SUNRISE 644 AM EDT SUNSET 836 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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