545  
CDUS43 KDTX 150541  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
1241 AM EST SUN DEC 15 2019  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR DECEMBER 14 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 37 305 PM 34 3 37  
MINIMUM 29 758 AM 22 7 31  
AVERAGE 33 28 5 34  
 
PRECIPITATION (IN)  
YESTERDAY T 0.06 -0.06 0.17  
MONTH TO DATE 0.91 0.91 0.00 0.90  
SINCE DEC 1 0.91 0.91 0.00 0.90  
SINCE JAN 1 32.35 30.59 1.76 30.22  
 
SNOWFALL (IN)  
YESTERDAY T 0.3 -0.3 0.0  
MONTH TO DATE 3.3 3.7 -0.4 0.2  
SINCE DEC 1 3.3 3.7 -0.4 0.2  
SINCE JUL 1 9.9 7.6 2.3 12.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 37 -5 31  
MONTH TO DATE 472 492 -20 494  
SINCE DEC 1 472 492 -20 494  
SINCE JUL 1 1926 1965 -39 2019  
 
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 18 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 7.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 800 AM  
LOWEST 72 100 PM  
AVERAGE 81  
   
......................................................
 
 
SUNRISE AND SUNSET  
DECEMBER 15 2019......SUNRISE 802 AM EST SUNSET 500 PM EST  
DECEMBER 16 2019......SUNRISE 803 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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