836  
CDUS43 KDTX 210537  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
137 AM EDT THU SEP 21 2023  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR SEPTEMBER 20 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 77 430 PM 90 1931 72 5 76  
MINIMUM 54 105 AM 31 1956 50 4 54  
AVERAGE 66 61 5 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 2.56 1957 0.10 -0.09 0.01  
MONTH TO DATE 0.76 1.86 -1.10 1.77  
SINCE SEP 1 0.76 1.86 -1.10 1.77  
SINCE JAN 1 27.74 24.13 3.61 21.93  
 
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 6 -6 0  
MONTH TO DATE 51 65 -14 15  
SINCE SEP 1 51 65 -14 15  
SINCE JUL 1 73 93 -20 20  
 
COOLING  
YESTERDAY 1 2 -1 0  
MONTH TO DATE 54 51 3 73  
SINCE SEP 1 54 51 3 73  
SINCE JAN 1 548 616 -68 720    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 7.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 1200 AM  
LOWEST 46 300 PM  
AVERAGE 68  
   
......................................................
 
 
THE TRI CITIES MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 93 2017  
MINIMUM TEMPERATURE (F) 50 32 1956  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2023.....SUNRISE 722 AM EDT SUNSET 736 PM EDT  
SEPTEMBER 22 2023.....SUNRISE 723 AM EDT SUNSET 734 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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