657  
CDUS43 KDTX 300544  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
1244 AM EST MON DEC 30 2019  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR DECEMBER 29 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 44 423 PM 30 14 31  
MINIMUM 35 124 AM 18 17 23  
AVERAGE 40 24 16 27  
 
PRECIPITATION (IN)  
YESTERDAY 0.69 0.06 0.63 0.01  
MONTH TO DATE 1.63 1.75 -0.12 1.36  
SINCE DEC 1 1.63 1.75 -0.12 1.36  
SINCE JAN 1 33.07 31.43 1.64 30.68  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.4 -0.4 0.3  
MONTH TO DATE 4.2 8.3 -4.1 0.9  
SINCE DEC 1 4.2 8.3 -4.1 0.9  
SINCE JUL 1 10.8 12.2 -1.4 13.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 25 41 -16 38  
MONTH TO DATE 936 1085 -149 967  
SINCE DEC 1 936 1085 -149 967  
SINCE JUL 1 2390 2558 -168 2492  
 
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 17 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 8.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 200 PM  
LOWEST 73 300 AM  
AVERAGE 83  
   
......................................................
 
 
SUNRISE AND SUNSET  
DECEMBER 30 2019......SUNRISE 809 AM EST SUNSET 509 PM EST  
DECEMBER 31 2019......SUNRISE 809 AM EST SUNSET 509 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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