548  
CDUS43 KLOT 131301 CCA  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
135 AM CDT SAT MAY 13 2023  
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR MAY 12 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 76 92 2022 71 5 92  
MINIMUM 61 36 2013 49 12 72  
2020  
2021  
AVERAGE 69 60 9 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.63 1.53 2018 0.15 0.48 0.00  
MONTH TO DATE 0.99 1.89 -0.90 1.90  
SINCE MAR 1 5.81 8.71 -2.90 10.83  
SINCE JAN 1 12.47 12.88 -0.41 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 0 7 -7 0  
MONTH TO DATE 80 98 -18 113  
SINCE MAR 1 1344 1352 -8 1429  
SINCE JUL 1 5618 5958 -340 5832  
 
COOLING  
YESTERDAY 4 2 2 17  
MONTH TO DATE 22 14 8 52  
SINCE MAR 1 31 24 7 57  
SINCE JAN 1 31 24 7 57    
........................................................
 
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 90 2022  
MINIMUM TEMPERATURE (F) 49 34 2013  
 
SUNRISE AND SUNSET  
MAY 13 2023...........SUNRISE 5:35 AM CDT SUNSET 8:03 PM CDT  
MAY 14 2023...........SUNRISE 5:34 AM CDT SUNSET 8:04 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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