182  
CDUS43 KDTX 190537  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
1237 AM EST THU DEC 19 2019  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR DECEMBER 18 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 25 MM 33 -8 33  
MINIMUM 10 MM 20 -10 27  
AVERAGE 18 26 -8 30  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.05 -0.04 0.00  
MONTH TO DATE 0.94 1.13 -0.19 0.90  
SINCE DEC 1 0.94 1.13 -0.19 0.90  
SINCE JAN 1 32.38 30.81 1.57 30.22  
 
SNOWFALL (IN)  
YESTERDAY 0.3 0.3 0.0 0.0  
MONTH TO DATE 4.2 4.9 -0.7 0.2  
SINCE DEC 1 4.2 4.9 -0.7 0.2  
SINCE JUL 1 10.8 8.8 2.0 12.7  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
YESTERDAY 47 39 8 35  
MONTH TO DATE 631 645 -14 628  
SINCE DEC 1 631 645 -14 628  
SINCE JUL 1 2085 2118 -33 2153  
 
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 22 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 14.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 1200 AM  
LOWEST 42 400 PM  
AVERAGE 57  
   
......................................................
 
 
SUNRISE AND SUNSET  
DECEMBER 19 2019......SUNRISE 805 AM EST SUNSET 502 PM EST  
DECEMBER 20 2019......SUNRISE 805 AM EST SUNSET 502 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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