368  
CDUS43 KDTX 182136  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
436 PM EST WED DEC 18 2019  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR DECEMBER 18 2019
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 25 1258 AM 33 -8 33  
MINIMUM 14 920 AM 20 -6 27  
AVERAGE 20 26 -6 30  
 
PRECIPITATION (IN)  
TODAY 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)  
TODAY 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  
TODAY 45 39 6 35  
MONTH TO DATE 629 645 -16 628  
SINCE DEC 1 629 645 -16 628  
SINCE JUL 1 2083 2118 -35 2153  
 
COOLING  
TODAY 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 23 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 16.7  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71  
LOWEST 42  
AVERAGE 57  
   
......................................................
 
 
SUNRISE AND SUNSET  
DECEMBER 18 2019......SUNRISE 804 AM EST SUNSET 501 PM EST  
DECEMBER 19 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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