277  
CDUS43 KDTX 170549  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
149 AM EDT SUN SEP 17 2023  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR SEPTEMBER 16 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 73 219 PM 88 1955 74 -1 81  
MINIMUM 52 637 AM 36 1964 52 0 60  
2007  
AVERAGE 63 62 1 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.01 1983 0.09 -0.09 0.00  
MONTH TO DATE 0.75 1.47 -0.72 1.75  
SINCE SEP 1 0.75 1.47 -0.72 1.75  
SINCE JAN 1 27.73 23.74 3.99 21.91  
 
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 2 4 -2 0  
MONTH TO DATE 37 44 -7 15  
SINCE SEP 1 37 44 -7 15  
SINCE JUL 1 59 72 -13 20  
 
COOLING  
YESTERDAY 0 2 -2 6  
MONTH TO DATE 53 43 10 51  
SINCE SEP 1 53 43 10 51  
SINCE JAN 1 547 608 -61 698    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 6.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 500 AM  
LOWEST 49 400 PM  
AVERAGE 69  
   
......................................................
 
 
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 2023.....SUNRISE 718 AM EDT SUNSET 743 PM EDT  
SEPTEMBER 18 2023.....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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