443  
CDUS43 KDTX 172027  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
427 PM EDT SUN SEP 17 2023  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR SEPTEMBER 17 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 69 256 PM 90 1955 73 -4 83  
MINIMUM 58 932 AM 33 1959 51 7 62  
AVERAGE 64 62 2 73  
 
PRECIPITATION (IN)  
TODAY T 2.45 1987 0.10 -0.10 T  
MONTH TO DATE 0.75 1.57 -0.82 1.75  
SINCE SEP 1 0.75 1.57 -0.82 1.75  
SINCE JAN 1 27.73 23.84 3.89 21.91  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 1 5 -4 0  
MONTH TO DATE 38 49 -11 15  
SINCE SEP 1 38 49 -11 15  
SINCE JUL 1 60 77 -17 20  
 
COOLING  
TODAY 0 2 -2 8  
MONTH TO DATE 53 45 8 59  
SINCE SEP 1 53 45 8 59  
SINCE JAN 1 547 610 -63 706    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93  
LOWEST 59  
AVERAGE 76  
   
......................................................
 
 
THE TRI CITIES MI CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 90 1955  
MINIMUM TEMPERATURE (F) 51 34 1916  
1943  
 
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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