897  
CDUS43 KLOT 261328 CCA  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1239 AM CST SUN JAN 26 2025  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 25 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 41 3:17 PM 67 1950 31 10 38  
MINIMUM 21 7:26 AM -20 1897 18 3 35  
AVERAGE 31 25 6 37  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.12 1990 0.06 -0.06 0.28  
MONTH TO DATE 0.23 1.65 -1.42 3.07  
SINCE DEC 1 2.16 3.76 -1.60 6.04  
SINCE JAN 1 0.23 1.65 -1.42 3.07  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.0 1898 0.4 -0.4 0.0  
MONTH TO DATE 4.6 8.9 -4.3 16.1  
SINCE DEC 1 7.0 16.5 -9.5 17.3  
SINCE JUL 1 9.9 18.5 -8.6 20.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 34 40 -6 28  
MONTH TO DATE 1124 988 136 1028  
SINCE DEC 1 2137 2057 80 1826  
SINCE JUL 1 2904 3208 -304 2790  
 
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 (270)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 14.3  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68 8:00 AM  
LOWEST 44 3:00 PM  
AVERAGE 56  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 62 1944  
MINIMUM TEMPERATURE (F) 18 -16 1897  
 
SUNRISE AND SUNSET  
JANUARY 26 2025.......SUNRISE 7:10 AM CST SUNSET 4:59 PM CST  
JANUARY 27 2025.......SUNRISE 7:09 AM CST SUNSET 5:01 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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