577  
CDUS43 KDTX 120539  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
139 AM EDT TUE SEP 12 2023  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR SEPTEMBER 11 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1912 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 67 122 PM 100 1931 75 -8 72  
MINIMUM 56 623 AM 34 1943 53 3 63  
AVERAGE 62 64 -2 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.37 4.55 1986 0.09 0.28 0.89  
MONTH TO DATE 0.57 1.03 -0.46 1.57  
SINCE SEP 1 0.57 1.03 -0.46 1.57  
SINCE JAN 1 27.55 23.30 4.25 21.73  
 
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 3 3 0 0  
MONTH TO DATE 13 25 -12 3  
SINCE SEP 1 13 25 -12 3  
SINCE JUL 1 35 53 -18 8  
 
COOLING  
YESTERDAY 0 2 -2 3  
MONTH TO DATE 53 33 20 44  
SINCE SEP 1 53 33 20 44  
SINCE JAN 1 547 598 -51 691    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 4.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 700 AM  
LOWEST 76 100 PM  
AVERAGE 87  
   
......................................................
 
 
THE TRI CITIES MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 98 1931  
MINIMUM TEMPERATURE (F) 53 32 1943  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2023.....SUNRISE 712 AM EDT SUNSET 752 PM EDT  
SEPTEMBER 13 2023.....SUNRISE 713 AM EDT SUNSET 750 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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