822  
CDUS43 KLOT 130647  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1247 AM CST SAT JAN 13 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 12 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 36 2:43 PM 62 1890 32 4 43  
2005  
MINIMUM 30 12:57 AM -14 1918 19 11 36  
AVERAGE 33 25 8 40  
 
PRECIPITATION (IN)  
YESTERDAY 0.77 2.76 1960 0.07 0.70 T  
MONTH TO DATE 2.03 0.82 1.21 1.30  
SINCE DEC 1 5.00 2.93 2.07 3.46  
SINCE JAN 1 2.03 0.82 1.21 1.30  
 
SNOWFALL (IN)  
YESTERDAY 4.7 8.1 1908 0.4 4.3 T  
MONTH TO DATE 11.8 3.9 7.9 0.2  
SINCE DEC 1 13.0 11.5 1.5 3.4  
SINCE JUL 1 15.7 13.5 2.2 4.5  
SNOW DEPTH 2  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 40 -8 25  
MONTH TO DATE 390 468 -78 330  
SINCE DEC 1 1188 1537 -349 1431  
SINCE JUL 1 2152 2688 -536 2496  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 55 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 13.4  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
HEAVY SNOW  
SNOW  
LIGHT SNOW  
SLEET  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 9:00 AM  
LOWEST 78 3:00 AM  
AVERAGE 87  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 58 1932  
MINIMUM TEMPERATURE (F) 19 -9 1888  
1929  
 
SUNRISE AND SUNSET  
JANUARY 13 2024.......SUNRISE 7:18 AM CST SUNSET 4:43 PM CST  
JANUARY 14 2024.......SUNRISE 7:18 AM CST SUNSET 4:44 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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