276  
CDUS43 KDTX 170549  
CLIDTW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
149 AM EDT SUN SEP 17 2023  
   
...............................
 
 
   
..THE DETROIT MI CLIMATE SUMMARY FOR SEPTEMBER 16 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 72 310 PM 98 1939 75 -3 83  
MINIMUM 51 641 AM 38 1966 56 -5 57  
AVERAGE 62 65 -3 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.39 2010 0.11 -0.11 0.00  
MONTH TO DATE 1.01 1.79 -0.78 0.06  
SINCE SEP 1 1.01 1.79 -0.78 0.06  
SINCE JAN 1 30.02 25.54 4.48 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 3 3 0 0  
MONTH TO DATE 17 26 -9 1  
SINCE SEP 1 17 26 -9 1  
SINCE JUL 1 24 35 -11 1  
 
COOLING  
YESTERDAY 0 3 -3 5  
MONTH TO DATE 63 64 -1 92  
SINCE SEP 1 63 64 -1 92  
SINCE JAN 1 701 811 -110 997    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 3.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 700 AM  
LOWEST 51 1200 PM  
AVERAGE 72  
   
......................................................
 
 
THE DETROIT MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 93 1955  
MINIMUM TEMPERATURE (F) 55 36 1959  
 
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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