180  
CDUS43 KDTX 180538  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
1238 AM EST WED DEC 18 2019  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR DECEMBER 17 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 31 711 PM 33 -2 36  
MINIMUM 22 322 AM 21 1 28  
AVERAGE 27 27 0 32  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.06 -0.04 0.00  
MONTH TO DATE 0.93 1.08 -0.15 0.90  
SINCE DEC 1 0.93 1.08 -0.15 0.90  
SINCE JAN 1 32.37 30.76 1.61 30.22  
 
SNOWFALL (IN)  
YESTERDAY 0.6 0.3 0.3 0.0  
MONTH TO DATE 3.9 4.6 -0.7 0.2  
SINCE DEC 1 3.9 4.6 -0.7 0.2  
SINCE JUL 1 10.5 8.5 2.0 12.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 38 38 0 33  
MONTH TO DATE 584 606 -22 593  
SINCE DEC 1 584 606 -22 593  
SINCE JUL 1 2038 2079 -41 2118  
 
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 26 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 10.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 800 PM  
LOWEST 51 100 PM  
AVERAGE 68  
   
......................................................
 
 
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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