182  
CDUS43 KLOT 210636  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1234 AM CST TUE FEB 21 2017  
 
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR FEBRUARY 20 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1992 TO 2017  
 
WEATHER ITEM OBSERVED RECORD YEAR NORMAL DEPARTURE LAST  
VALUE VALUE VALUE FROM YEAR  
NORMAL    
.......................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 69R 58 2016 37 32 58  
MINIMUM 46 -7 2015 21 25 38  
AVERAGE 58 29 29 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.49 1997 0.07 -0.07 0.00  
MONTH TO DATE 0.54 1.16 -0.62 0.98  
SINCE DEC 1 4.73 5.34 -0.61 7.86  
SINCE JAN 1 3.21 3.09 0.12 2.01  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.7 1993 0.2 -0.2 0.0  
MONTH TO DATE 1.3 4.7 -3.4 3.9  
SINCE DEC 1 19.4 24.8 -5.4 15.0  
SINCE JUL 1 19.4 25.7 -6.3 19.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 36 -29  
MONTH TO DATE 587 775 -188  
SINCE DEC 1 2954 3237 -283  
SINCE JUL 1 3810 4456 -646  
 
COOLING  
YESTERDAY 0 0 0  
MONTH TO DATE 0 0 0  
SINCE DEC 1 0 0 0  
SINCE JAN 1 0 0 0    
.......................................................
 
 
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 48 2003  
MINIMUM TEMPERATURE (F) 22 8 2008  
 
 
SUNRISE AND SUNSET  
FEBRUARY 21 2017......SUNRISE 639 AM CST SUNSET 534 PM CST  
FEBRUARY 22 2017......SUNRISE 637 AM CST SUNSET 535 PM CST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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