181  
CDUS43 KLOT 180639  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1237 AM CST WED JAN 18 2017  
 
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR JANUARY 17 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 42 56 1996 30 12 11  
MINIMUM 33 -15 1997 16 17 -2  
1994  
AVERAGE 38 23 15 5  
 
PRECIPITATION (IN)  
YESTERDAY 0.33 0.44 1999 0.06 0.27 T  
MONTH TO DATE 1.82 1.19 0.63 0.76  
SINCE DEC 1 3.34 3.44 -0.10 6.61  
SINCE JAN 1 1.82 1.19 0.63 0.76  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.0 2000 0.4 -0.4 T  
MONTH TO DATE 0.5 6.0 -5.5 4.1  
SINCE DEC 1 17.7 15.3 2.4 10.0  
SINCE JUL 1 17.7 16.2 1.5 14.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 27 42 -15  
MONTH TO DATE 692 711 -19  
SINCE DEC 1 1945 1878 67  
SINCE JUL 1 2801 3097 -296  
 
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) 30 60 1996  
MINIMUM TEMPERATURE (F) 16 -22 1994  
 
 
SUNRISE AND SUNSET  
JANUARY 18 2017.......SUNRISE 715 AM CST SUNSET 451 PM CST  
JANUARY 19 2017.......SUNRISE 714 AM CST SUNSET 452 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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