527  
CDUS43 KDTX 170536  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
136 AM EDT THU SEP 17 2020  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR SEPTEMBER 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 79 347 PM 72 7 76  
MINIMUM 55 654 AM 50 5 59  
AVERAGE 67 61 6 68  
 
PRECIPITATION (IN)  
YESTERDAY T 0.14 -0.14 0.00  
MONTH TO DATE 3.29 2.05 1.24 1.93  
SINCE SEP 1 3.29 2.05 1.24 1.93  
SINCE JAN 1 24.98 22.57 2.41 19.27  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 5 -5 0  
MONTH TO DATE 53 53 0 23  
SINCE SEP 1 53 53 0 23  
SINCE JUL 1 57 93 -36 31  
 
COOLING  
YESTERDAY 2 1 1 3  
MONTH TO DATE 23 36 -13 32  
SINCE SEP 1 23 36 -13 32  
SINCE JAN 1 836 540 296 570    
...................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 11.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 500 AM  
LOWEST 48 200 PM  
AVERAGE 60  
   
......................................................
 
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2020.....SUNRISE 719 AM EDT SUNSET 742 PM EDT  
SEPTEMBER 18 2020.....SUNRISE 720 AM EDT SUNSET 740 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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