837  
CDUS43 KDTX 210537  
CLIDTW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
137 AM EDT THU SEP 21 2023  
   
...............................
 
 
   
..THE DETROIT MI CLIMATE SUMMARY FOR SEPTEMBER 20 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 76 412 PM 92 1895 73 3 80  
MINIMUM 60 615 AM 36 1956 54 6 59  
AVERAGE 68 63 5 70  
 
PRECIPITATION (IN)  
YESTERDAY T 1.53 2018 0.12 -0.12 0.51  
MONTH TO DATE 1.41 2.24 -0.83 0.68  
SINCE SEP 1 1.41 2.24 -0.83 0.68  
SINCE JAN 1 30.42 25.99 4.43 19.08  
 
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 4 -4 0  
MONTH TO DATE 24 40 -16 1  
SINCE SEP 1 24 40 -16 1  
SINCE JUL 1 31 49 -18 1  
 
COOLING  
YESTERDAY 3 2 1 5  
MONTH TO DATE 67 74 -7 127  
SINCE SEP 1 67 74 -7 127  
SINCE JAN 1 705 821 -116 1032    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 3.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 1100 PM  
LOWEST 50 300 PM  
AVERAGE 69  
   
......................................................
 
 
THE DETROIT MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 92 1895  
MINIMUM TEMPERATURE (F) 54 35 1875  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2023.....SUNRISE 719 AM EDT SUNSET 733 PM EDT  
SEPTEMBER 22 2023.....SUNRISE 720 AM EDT SUNSET 731 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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