024  
CDUS43 KLOT 070635  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1235 AM CST FRI FEB 07 2025  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 6 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 37 4:36 PM 57 1882 33 4 48  
MINIMUM 27 11:59 PM -14 1982 19 8 30  
AVERAGE 32 26 6 39  
 
PRECIPITATION (IN)  
YESTERDAY T 1.98 1942 0.06 -0.06 0.00  
MONTH TO DATE 0.05 0.34 -0.29 0.00  
SINCE DEC 1 3.96 4.44 -0.48 6.47  
SINCE JAN 1 2.03 2.33 -0.30 3.50  
 
SNOWFALL (IN)  
YESTERDAY T 9.3 1978 0.4 -0.4 0.0  
MONTH TO DATE T 2.5 -2.5 0.0  
SINCE DEC 1 7.0 21.4 -14.4 17.3  
SINCE JUL 1 9.9 23.4 -13.5 20.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 33 39 -6 26  
MONTH TO DATE 196 237 -41 159  
SINCE DEC 1 2515 2540 -25 2150  
SINCE JUL 1 3282 3691 -409 3114  
 
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 26 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 13.0  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LT FREEZING RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1:00 AM  
LOWEST 35 11:00 PM  
AVERAGE 66  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 59 1925  
MINIMUM TEMPERATURE (F) 20 -10 1875  
 
SUNRISE AND SUNSET  
FEBRUARY 7 2025......SUNRISE 6:57 AM CST SUNSET 5:15 PM CST  
FEBRUARY 8 2025......SUNRISE 6:56 AM CST SUNSET 5:16 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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