166  
CDUS43 KDTX 210537  
CLIDTW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
137 AM EDT FRI JUL 21 2023  
   
...............................
 
 
   
..THE DETROIT MI CLIMATE SUMMARY FOR JULY 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 88 200 PM 97 1977 84 4 92  
2019  
MINIMUM 66 400 PM 48 1971 65 1 74  
AVERAGE 77 74 3 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.62 2.04 1989 0.12 0.50 0.23  
MONTH TO DATE 3.89 2.21 1.68 1.37  
SINCE JUN 1 7.08 5.47 1.61 3.72  
SINCE JAN 1 21.03 19.19 1.84 15.59  
 
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 JUN 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 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 19 28 -9 11  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 12 9 3 18  
MONTH TO DATE 175 179 -4 192  
SINCE JUN 1 308 355 -47 381  
SINCE JAN 1 357 410 -53 491    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 62 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
THE DETROIT MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 100 2011  
MINIMUM TEMPERATURE (F) 65 50 1970  
 
SUNRISE AND SUNSET  
JULY 21 2023..........SUNRISE 615 AM EDT SUNSET 904 PM EDT  
JULY 22 2023..........SUNRISE 616 AM EDT SUNSET 903 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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