969  
CDUS43 KDTX 210541  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
1241 AM EST TUE JAN 21 2020  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR JANUARY 20 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 23 555 PM 29 -6 10  
MINIMUM 8 916 AM 15 -7 -4  
AVERAGE 16 22 -6 3  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.05 -0.05 0.00  
MONTH TO DATE 1.84 1.19 0.65 0.36  
SINCE DEC 1 4.80 3.05 1.75 2.34  
SINCE JAN 1 1.84 1.19 0.65 0.36  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.4 -0.4 0.0  
MONTH TO DATE 9.7 7.9 1.8 2.7  
SINCE DEC 1 15.5 16.9 -1.4 4.5  
SINCE JUL 1 22.1 20.8 1.3 17.0  
SNOW DEPTH 5  
 
DEGREE DAYS  
HEATING  
YESTERDAY 49 43 6 62  
MONTH TO DATE 691 851 -160 771  
SINCE DEC 1 1690 2018 -328 1807  
SINCE JUL 1 3144 3491 -347 3332  
 
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 12 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 6.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 900 AM  
LOWEST 62 1100 PM  
AVERAGE 73  
   
......................................................
 
 
SUNRISE AND SUNSET  
JANUARY 21 2020.......SUNRISE 803 AM EST SUNSET 533 PM EST  
JANUARY 22 2020.......SUNRISE 802 AM EST SUNSET 534 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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