382  
CDUS43 KLOT 150631  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT MON MAY 15 2023  
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR MAY 14 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1992 TO 2023  
 
WEATHER ITEM OBSERVED RECORD YEAR NORMAL DEPARTURE LAST  
VALUE VALUE VALUE FROM YEAR  
NORMAL    
........................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 63 91 2007 72 -9 86  
2013  
MINIMUM 52 37 1996 50 2 63  
AVERAGE 58 61 -3 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.19 1.79 2020 0.15 0.04 0.00  
MONTH TO DATE 1.18 2.20 -1.02 1.90  
SINCE MAR 1 6.00 9.02 -3.02 10.83  
SINCE JAN 1 12.66 13.19 -0.53 14.95  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 2.1 5.1 -3.0 3.7  
SINCE JUL 1 16.1 33.2 -17.1 32.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 6 1 0  
MONTH TO DATE 87 110 -23 113  
SINCE MAR 1 1351 1364 -13 1429  
SINCE JUL 1 5625 5970 -345 5832  
 
COOLING  
YESTERDAY 0 2 -2 10  
MONTH TO DATE 22 18 4 75  
SINCE MAR 1 31 28 3 80  
SINCE JAN 1 31 28 3 80    
........................................................
 
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 90 2001  
MINIMUM TEMPERATURE (F) 50 35 2016  
 
SUNRISE AND SUNSET  
MAY 15 2023...........SUNRISE 5:33 AM CDT SUNSET 8:05 PM CDT  
MAY 16 2023...........SUNRISE 5:32 AM CDT SUNSET 8:06 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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