069  
CDUS43 KDTX 180537  
CLIDTW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
137 AM EDT FRI SEP 18 2020  
   
...............................
 
 
   
..THE DETROIT MI CLIMATE SUMMARY FOR SEPTEMBER 17 2020
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1874 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 69 353 PM 93 1955 74 -5 76  
MINIMUM 52 1159 PM 36 1959 54 -2 62  
AVERAGE 61 64 -3 69  
 
PRECIPITATION (IN)  
YESTERDAY T 1.20 1905 0.11 -0.11 T  
MONTH TO DATE 3.70 1.88 1.82 2.34  
SINCE SEP 1 3.70 1.88 1.82 2.34  
SINCE JAN 1 32.08 24.31 7.77 26.94  
 
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 4 3 1 0  
MONTH TO DATE 28 31 -3 2  
SINCE SEP 1 28 31 -3 2  
SINCE JUL 1 28 41 -13 2  
 
COOLING  
YESTERDAY 0 2 -2 4  
MONTH TO DATE 40 64 -24 76  
SINCE SEP 1 40 64 -24 76  
SINCE JAN 1 969 775 194 863    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 10.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 400 AM  
LOWEST 36 500 PM  
AVERAGE 57  
   
......................................................
 
 
THE DETROIT MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 92 1935  
1955  
MINIMUM TEMPERATURE (F) 54 37 1875  
1943  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2020.....SUNRISE 717 AM EDT SUNSET 737 PM EDT  
SEPTEMBER 19 2020.....SUNRISE 718 AM EDT SUNSET 735 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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