423  
CDUS43 KDTX 280536  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
136 AM EDT SUN SEP 28 2025  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR SEPTEMBER 27 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 83 437 PM 88 1946 69 14 77  
MINIMUM 59 743 AM 29 1989 48 11 50  
AVERAGE 71 58 13 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.85 1936 0.09 -0.09 0.00  
MONTH TO DATE 2.44 2.54 -0.10 0.75  
SINCE SEP 1 2.44 2.54 -0.10 0.75  
SINCE JAN 1 20.41 24.81 -4.40 19.59  
 
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 0 8 -8 1  
MONTH TO DATE 60 112 -52 43  
SINCE SEP 1 60 112 -52 43  
SINCE JUL 1 94 140 -46 57  
 
COOLING  
YESTERDAY 6 1 5 0  
MONTH TO DATE 40 58 -18 82  
SINCE SEP 1 40 58 -18 82  
SINCE JAN 1 728 623 105 755    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 7.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 300 AM  
LOWEST 40 400 PM  
AVERAGE 70  
   
......................................................
 
 
THE TRI CITIES MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 86 1946  
MINIMUM TEMPERATURE (F) 47 27 1991  
 
SUNRISE AND SUNSET  
SEPTEMBER 28 2025.....SUNRISE 731 AM EDT SUNSET 722 PM EDT  
SEPTEMBER 29 2025.....SUNRISE 732 AM EDT SUNSET 720 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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