478  
CDUS43 KLOT 090639  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1239 AM CST MON DEC 09 2024  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR DECEMBER 8 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1928 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 57 3:22 PM 64 1946 40 17 56  
MINIMUM 40 7:51 AM 0 1958 27 13 45  
AVERAGE 49 34 15 51  
 
PRECIPITATION (IN)  
YESTERDAY T 0.77 1980 0.06 -0.06 0.00  
MONTH TO DATE T 0.52 -0.52 1.06  
SINCE DEC 1 T 0.52 -0.52 1.06  
SINCE JAN 1 35.19 33.15 2.04 34.02  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 32 -16 14  
MONTH TO DATE 292 243 49 182  
SINCE DEC 1 292 243 49 182  
SINCE JUL 1 998 1327 -329 1134  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1384 1112 272 1149    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 9.5  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 11:00 PM  
LOWEST 47 2:00 PM  
AVERAGE 62  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 61 1946  
MINIMUM TEMPERATURE (F) 27 -8 1958  
 
SUNRISE AND SUNSET  
DECEMBER 9 2024......SUNRISE 7:07 AM CST SUNSET 4:20 PM CST  
DECEMBER 10 2024......SUNRISE 7:08 AM CST SUNSET 4:20 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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