115  
CDUS43 KDTX 310541  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
1241 AM EST FRI JAN 31 2020  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR JANUARY 30 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 32 449 PM 29 3 4  
MINIMUM 28 1002 AM 15 13 -10  
AVERAGE 30 22 8 -3  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.05 -0.05 T  
MONTH TO DATE 2.42 1.66 0.76 1.30  
SINCE DEC 1 5.38 3.52 1.86 3.28  
SINCE JAN 1 2.42 1.66 0.76 1.30  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.3 -0.3 T  
MONTH TO DATE 9.7 11.5 -1.8 13.3  
SINCE DEC 1 15.5 20.5 -5.0 15.1  
SINCE JUL 1 22.1 24.4 -2.3 27.6  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
YESTERDAY 35 43 -8 68  
MONTH TO DATE 1032 1281 -249 1308  
SINCE DEC 1 2031 2448 -417 2344  
SINCE JUL 1 3485 3921 -436 3869  
 
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 8 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 4.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 900 AM  
LOWEST 75 1200 AM  
AVERAGE 78  
   
......................................................
 
 
SUNRISE AND SUNSET  
JANUARY 31 2020.......SUNRISE 754 AM EST SUNSET 546 PM EST  
FEBRUARY 1 2020......SUNRISE 753 AM EST SUNSET 547 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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