610  
CDUS43 KDTX 160537  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
1237 AM EST MON DEC 16 2019  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR DECEMBER 15 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1898 TO 2019  
 
WEATHER ITEM OBSERVED TIME NORMAL DEPARTURE LAST  
VALUE (LST) VALUE FROM YEAR  
NORMAL    
...................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 32 1234 PM 33 -1 35  
MINIMUM 24 1125 PM 21 3 29  
AVERAGE 28 27 1 32  
 
PRECIPITATION (IN)  
YESTERDAY T 0.05 -0.05 0.00  
MONTH TO DATE 0.91 0.96 -0.05 0.90  
SINCE DEC 1 0.91 0.96 -0.05 0.90  
SINCE JAN 1 32.35 30.64 1.71 30.22  
 
SNOWFALL (IN)  
YESTERDAY T 0.3 -0.3 0.0  
MONTH TO DATE 3.3 4.0 -0.7 0.2  
SINCE DEC 1 3.3 4.0 -0.7 0.2  
SINCE JUL 1 9.9 7.9 2.0 12.7  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 37 38 -1 33  
MONTH TO DATE 509 530 -21 527  
SINCE DEC 1 509 530 -21 527  
SINCE JUL 1 1963 2003 -40 2052  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 613 557 56 883    
...................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 9.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 100 AM  
LOWEST 46 400 PM  
AVERAGE 62  
   
......................................................
 
 
SUNRISE AND SUNSET  
DECEMBER 16 2019......SUNRISE 803 AM EST SUNSET 501 PM EST  
DECEMBER 17 2019......SUNRISE 804 AM EST SUNSET 501 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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