984  
CDUS43 KDTX 172145  
CLIDTW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
445 PM EST WED JAN 17 2018  
 
   
...............................
 
 
   
..THE DETROIT MI CLIMATE SUMMARY FOR JANUARY 17 2018
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1874 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 24 233 PM 63 1952 32 -8 48  
MINIMUM 2 634 AM -15 1982 19 -17 33  
AVERAGE 13 25 -12 41  
 
PRECIPITATION (IN)  
TODAY T 1.28 2012 0.06 -0.06 0.42  
MONTH TO DATE 0.61 1.13 -0.52 2.13  
SINCE DEC 1 2.09 3.59 -1.50 4.29  
SINCE JAN 1 0.61 1.13 -0.52 2.13  
 
SNOWFALL (IN)  
TODAY MM 4.6 2009 0.5 MM 0.0  
MONTH TO DATE 5.7 7.0 -1.3 4.6  
SINCE DEC 1 28.2 16.6 11.6 21.4  
SINCE JUL 1 28.2 18.2 10.0 21.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 52 40 12 24  
MONTH TO DATE 797 670 127 617  
SINCE DEC 1 1978 1752 226 1727  
SINCE JUL 1 3041 2967 74 2595  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 9.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91 500 AM  
LOWEST 65 400 PM  
AVERAGE 78  
   
......................................................
 
 
 
THE DETROIT MI CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 58 1996  
1973  
MINIMUM TEMPERATURE (F) 19 -18 1976  
 
 
SUNRISE AND SUNSET  
JANUARY 17 2018.......SUNRISE 758 AM EST SUNSET 529 PM EST  
JANUARY 18 2018.......SUNRISE 758 AM EST SUNSET 530 PM EST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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