271  
CDUS43 KDTX 170536  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
1236 AM EST FRI JAN 17 2020  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR JANUARY 16 2020
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1898 TO 2020  
 
WEATHER ITEM OBSERVED TIME NORMAL DEPARTURE LAST  
VALUE (LST) VALUE FROM YEAR  
NORMAL    
...................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 34 519 AM 29 5 32  
MINIMUM 21 1159 PM 15 6 15  
AVERAGE 28 22 6 24  
 
PRECIPITATION (IN)  
YESTERDAY T 0.05 -0.05 T  
MONTH TO DATE 1.59 0.98 0.61 0.23  
SINCE DEC 1 4.55 2.84 1.71 2.21  
SINCE JAN 1 1.59 0.98 0.61 0.23  
 
SNOWFALL (IN)  
YESTERDAY T 0.4 -0.4 T  
MONTH TO DATE 2.9 6.3 -3.4 0.7  
SINCE DEC 1 8.7 15.3 -6.6 2.5  
SINCE JUL 1 15.3 19.2 -3.9 15.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 37 43 -6 41  
MONTH TO DATE 522 679 -157 572  
SINCE DEC 1 1521 1846 -325 1608  
SINCE JUL 1 2975 3319 -344 3133  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 15.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 1200 AM  
LOWEST 55 900 PM  
AVERAGE 67  
   
......................................................
 
 
SUNRISE AND SUNSET  
JANUARY 17 2020.......SUNRISE 806 AM EST SUNSET 527 PM EST  
JANUARY 18 2020.......SUNRISE 805 AM EST SUNSET 529 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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