777  
CDUS43 KDTX 110551  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
151 AM EDT THU SEP 11 2025  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR SEPTEMBER 10 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 77 349 PM 97 1931 76 1 80  
MINIMUM 51 710 AM 35 1917 54 -3 51  
AVERAGE 64 65 -1 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 5.51 1986 0.09 -0.09 0.00  
MONTH TO DATE 1.06 0.94 0.12 0.33  
SINCE SEP 1 1.06 0.94 0.12 0.33  
SINCE JAN 1 19.03 23.21 -4.18 19.17  
 
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 SEP 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 1 3 -2 0  
MONTH TO DATE 57 22 35 34  
SINCE SEP 1 57 22 35 34  
SINCE JUL 1 91 50 41 48  
 
COOLING  
YESTERDAY 0 2 -2 1  
MONTH TO DATE 2 31 -29 10  
SINCE SEP 1 2 31 -29 10  
SINCE JAN 1 690 596 94 683    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 2.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 600 AM  
LOWEST 39 300 PM  
AVERAGE 64  
   
......................................................
 
 
THE TRI CITIES MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 100 1931  
MINIMUM TEMPERATURE (F) 53 34 1943  
 
SUNRISE AND SUNSET  
SEPTEMBER 11 2025.....SUNRISE 712 AM EDT SUNSET 753 PM EDT  
SEPTEMBER 12 2025.....SUNRISE 713 AM EDT SUNSET 751 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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