617  
CDUS43 KDTX 300535  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
135 AM EDT MON SEP 30 2024  
   
...............................  
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR SEPTEMBER 29 2024  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1912 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 78 209 PM 88 1921 68 10 69  
MINIMUM 59 1159 PM 27 1942 47 12 58  
AVERAGE 69 57 12 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.70 1986 0.09 -0.09 0.00  
MONTH TO DATE 0.75 2.72 -1.97 1.10  
SINCE SEP 1 0.75 2.72 -1.97 1.10  
SINCE JAN 1 19.59 24.99 -5.40 28.08  
 
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 43 128 -85 66  
SINCE SEP 1 43 128 -85 66  
SINCE JUL 1 57 156 -99 88  
 
COOLING  
YESTERDAY 4 1 3 0  
MONTH TO DATE 91 60 31 65  
SINCE SEP 1 91 60 31 65  
SINCE JAN 1 764 625 139 559    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 13.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 300 AM  
LOWEST 45 200 PM  
AVERAGE 68  
   
......................................................  
 
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 2024.....SUNRISE 733 AM EDT SUNSET 718 PM EDT  
OCTOBER 1 2024.......SUNRISE 734 AM EDT SUNSET 716 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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