425  
CDUS43 KDTX 170543  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
143 AM EDT THU SEP 17 2026  
   
...............................  
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR SEPTEMBER 16 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1912 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 70 253 PM 88 1955 74 -4 79  
MINIMUM 60 744 PM 36 1964 52 8 54  
2007  
AVERAGE 65 62 3 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.01 1983 0.09 -0.09 0.00  
MONTH TO DATE 1.28 1.47 -0.19 1.06  
SINCE SEP 1 1.28 1.47 -0.19 1.06  
SINCE JAN 1 23.59 23.74 -0.15 19.03  
 
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 4 -4 0  
MONTH TO DATE 12 44 -32 57  
SINCE SEP 1 12 44 -32 57  
SINCE JUL 1 16 72 -56 91  
 
COOLING  
YESTERDAY 0 2 -2 2  
MONTH TO DATE 70 43 27 14  
SINCE SEP 1 70 43 27 14  
SINCE JAN 1 669 608 61 702    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 8.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 100 AM  
LOWEST 56 500 PM  
AVERAGE 78  
   
......................................................  
 
THE TRI CITIES MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 90 1955  
MINIMUM TEMPERATURE (F) 51 33 1959  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2026.....SUNRISE 718 AM EDT SUNSET 743 PM EDT  
SEPTEMBER 18 2026.....SUNRISE 719 AM EDT SUNSET 741 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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