751  
CDUS43 KLOT 250635  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1235 AM CST SAT JAN 25 2025  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 24 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 23 11:59 PM 65 1967 31 -8 38  
MINIMUM 2 7:24 AM -15 1897 18 -16 34  
AVERAGE 13 24 -11 36  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.76 1938 0.06 -0.06 0.18  
MONTH TO DATE 0.23 1.59 -1.36 2.79  
SINCE DEC 1 2.16 3.70 -1.54 5.76  
SINCE JAN 1 0.23 1.59 -1.36 2.79  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.7 1893 0.4 -0.4 0.0  
MONTH TO DATE 4.6 8.5 -3.9 16.1  
SINCE DEC 1 7.0 16.1 -9.1 17.3  
SINCE JUL 1 9.9 18.1 -8.2 20.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 52 40 12 29  
MONTH TO DATE 1090 948 142 1000  
SINCE DEC 1 2103 2017 86 1798  
SINCE JUL 1 2870 3168 -298 2762  
 
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 20 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 8.7  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 4:00 AM  
LOWEST 42 2:00 PM  
AVERAGE 61  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 67 1950  
MINIMUM TEMPERATURE (F) 18 -20 1897  
 
SUNRISE AND SUNSET  
JANUARY 25 2025.......SUNRISE 7:10 AM CST SUNSET 4:58 PM CST  
JANUARY 26 2025.......SUNRISE 7:10 AM CST SUNSET 4:59 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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