102  
CDUS43 KLOT 050635  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1235 AM CST WED FEB 05 2025  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 4 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 33 12:42 AM 59 1890 33 0 46  
MINIMUM 22 6:54 PM -14 1996 19 3 29  
AVERAGE 28 26 2 38  
 
PRECIPITATION (IN)  
YESTERDAY T 1.26 1924 0.05 -0.05 0.00  
MONTH TO DATE T 0.22 -0.22 0.00  
SINCE DEC 1 3.91 4.32 -0.41 6.47  
SINCE JAN 1 1.98 2.21 -0.23 3.50  
 
SNOWFALL (IN)  
YESTERDAY T 4.3 1932 0.4 -0.4 0.0  
MONTH TO DATE T 1.7 -1.7 0.0  
SINCE DEC 1 7.0 20.6 -13.6 17.3  
SINCE JUL 1 9.9 22.6 -12.7 20.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 37 39 -2 27  
MONTH TO DATE 126 159 -33 104  
SINCE DEC 1 2445 2462 -17 2095  
SINCE JUL 1 3212 3613 -401 3059  
 
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 24 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 13.8  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 12:00 AM  
LOWEST 52 9:00 AM  
AVERAGE 65  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 56 1946  
MINIMUM TEMPERATURE (F) 19 -17 1979  
 
SUNRISE AND SUNSET  
FEBRUARY 5 2025......SUNRISE 7:00 AM CST SUNSET 5:12 PM CST  
FEBRUARY 6 2025......SUNRISE 6:58 AM CST SUNSET 5:13 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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