585  
CDUS43 KDTX 172027  
CLIDTW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
427 PM EDT SUN SEP 17 2023  
   
...............................
 
 
   
..THE DETROIT MI CLIMATE SUMMARY FOR SEPTEMBER 17 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1874 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 72 1111 AM 93 1955 74 -2 86  
MINIMUM 59 655 AM 36 1959 55 4 61  
AVERAGE 66 65 1 74  
 
PRECIPITATION (IN)  
TODAY 0.00 1.20 1905 0.11 -0.11 0.00  
MONTH TO DATE 1.01 1.90 -0.89 0.06  
SINCE SEP 1 1.01 1.90 -0.89 0.06  
SINCE JAN 1 30.02 25.65 4.37 18.46  
 
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 0 3 -3 0  
MONTH TO DATE 17 29 -12 1  
SINCE SEP 1 17 29 -12 1  
SINCE JUL 1 24 38 -14 1  
 
COOLING  
TODAY 1 3 -2 9  
MONTH TO DATE 64 67 -3 101  
SINCE SEP 1 64 67 -3 101  
SINCE JAN 1 702 814 -112 1006    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 2.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 700 AM  
LOWEST 53 200 PM  
AVERAGE 70  
   
......................................................
 
 
THE DETROIT MI CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 92 1935  
1955  
MINIMUM TEMPERATURE (F) 55 37 1875  
1943  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2023.....SUNRISE 715 AM EDT SUNSET 740 PM EDT  
SEPTEMBER 18 2023.....SUNRISE 716 AM EDT SUNSET 738 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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