922  
CDUS43 KLOT 140631  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1231 AM CST SAT DEC 14 2024  
   
...............................  
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR DECEMBER 13 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 28 7:40 PM 67 1975 38 -10 42  
MINIMUM 9 5:27 AM -3 1958 26 -17 23  
2000  
AVERAGE 19 32 -13 33  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.24 1928 0.05 -0.05 0.00  
MONTH TO DATE T 0.81 -0.81 1.21  
SINCE DEC 1 T 0.81 -0.81 1.21  
SINCE JAN 1 35.19 33.44 1.75 34.17  
 
DEGREE DAYS  
HEATING  
YESTERDAY 46 33 13 32  
MONTH TO DATE 476 405 71 326  
SINCE DEC 1 476 405 71 326  
SINCE JUL 1 1182 1489 -307 1278  
 
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 15 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 8.4  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 63 4:00 PM  
LOWEST 42 12:00 AM  
AVERAGE 53  
   
......................................................  
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 66 1975  
MINIMUM TEMPERATURE (F) 25 -4 1985  
 
SUNRISE AND SUNSET  
DECEMBER 14 2024......SUNRISE 7:11 AM CST SUNSET 4:21 PM CST  
DECEMBER 15 2024......SUNRISE 7:12 AM CST SUNSET 4:21 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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