776  
CDUS43 KDTX 120545  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
1245 AM EST THU DEC 12 2019  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR DECEMBER 11 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 23 336 AM 35 -12 32  
MINIMUM 13 1158 PM 23 -10 28  
AVERAGE 18 29 -11 30  
 
PRECIPITATION (IN)  
YESTERDAY T 0.07 -0.07 0.00  
MONTH TO DATE 0.91 0.74 0.17 0.73  
SINCE DEC 1 0.91 0.74 0.17 0.73  
SINCE JAN 1 32.35 30.42 1.93 30.05  
 
SNOWFALL (IN)  
YESTERDAY T 0.3 -0.3 0.0  
MONTH TO DATE 3.3 2.8 0.5 0.2  
SINCE DEC 1 3.3 2.8 0.5 0.2  
SINCE JUL 1 9.9 6.7 3.2 12.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 47 36 11 35  
MONTH TO DATE 369 381 -12 396  
SINCE DEC 1 369 381 -12 396  
SINCE JUL 1 1823 1854 -31 1921  
 
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 30 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 17.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 1000 PM  
LOWEST 42 100 PM  
AVERAGE 58  
   
......................................................
 
 
SUNRISE AND SUNSET  
DECEMBER 12 2019......SUNRISE 800 AM EST SUNSET 500 PM EST  
DECEMBER 13 2019......SUNRISE 801 AM EST SUNSET 500 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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