668  
CDUS43 KDTX 120539  
CLIDTW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
139 AM EDT TUE SEP 12 2023  
   
...............................
 
 
   
..THE DETROIT MI CLIMATE SUMMARY FOR SEPTEMBER 11 2023
 
 
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)  
YESTERDAY  
MAXIMUM 74 131 PM 95 1931 76 -2 77  
MINIMUM 56 632 AM 39 1917 57 -1 68  
AVERAGE 65 67 -2 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 3.71 2000 0.11 -0.10 0.06  
MONTH TO DATE 0.80 1.24 -0.44 0.06  
SINCE SEP 1 0.80 1.24 -0.44 0.06  
SINCE JAN 1 29.81 24.99 4.82 18.46  
 
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 2 -2 0  
MONTH TO DATE 1 14 -13 0  
SINCE SEP 1 1 14 -13 0  
SINCE JUL 1 8 23 -15 0  
 
COOLING  
YESTERDAY 0 4 -4 8  
MONTH TO DATE 63 49 14 79  
SINCE SEP 1 63 49 14 79  
SINCE JAN 1 701 796 -95 984    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 3.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 700 AM  
LOWEST 61 200 PM  
AVERAGE 79  
   
......................................................
 
 
THE DETROIT MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 96 1952  
MINIMUM TEMPERATURE (F) 57 39 1943  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2023.....SUNRISE 710 AM EDT SUNSET 749 PM EDT  
SEPTEMBER 13 2023.....SUNRISE 711 AM EDT SUNSET 747 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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