969  
CDUS43 KDTX 300536  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
136 AM EDT SAT SEP 30 2023  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR SEPTEMBER 29 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 69 345 PM 88 1921 68 1 61  
MINIMUM 58 1153 PM 27 1942 47 11 45  
AVERAGE 64 57 7 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.70 1986 0.09 -0.09 0.00  
MONTH TO DATE 1.10 2.72 -1.62 2.44  
SINCE SEP 1 1.10 2.72 -1.62 2.44  
SINCE JAN 1 28.08 24.99 3.09 22.60  
 
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 8 -7 12  
MONTH TO DATE 66 128 -62 110  
SINCE SEP 1 66 128 -62 110  
SINCE JUL 1 88 156 -68 115  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 65 60 5 77  
SINCE SEP 1 65 60 5 77  
SINCE JAN 1 559 625 -66 724    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 1.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 500 AM  
LOWEST 63 200 PM  
AVERAGE 78  
   
......................................................
 
 
THE TRI CITIES MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 86 2002  
MINIMUM TEMPERATURE (F) 47 29 1993  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2023.....SUNRISE 732 AM EDT SUNSET 719 PM EDT  
OCTOBER 1 2023.......SUNRISE 734 AM EDT SUNSET 718 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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