222  
CDUS43 KLOT 250634  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT SAT MAY 25 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 24 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 77 10:45 AM 93 1921 73 4 67  
1950  
MINIMUM 64 11:48 AM 34 1992 53 11 52  
AVERAGE 71 63 8 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 1.62 1927 0.14 -0.08 0.00  
MONTH TO DATE 3.11 3.54 -0.43 0.42  
SINCE MAR 1 10.17 9.74 0.43 6.24  
SINCE JAN 1 14.32 13.70 0.62 12.67  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1925 0.0 0.0 0.0  
1955  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 1.0 6.8 -5.8 2.3  
SINCE JUL 1 22.2 38.4 -16.2 20.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 5 -5 5  
MONTH TO DATE 54 172 -118 118  
SINCE MAR 1 1067 1448 -381 1336  
SINCE JUL 1 4755 5917 -1162 5371  
 
COOLING  
YESTERDAY 6 3 3 0  
MONTH TO DATE 68 39 29 36  
SINCE MAR 1 77 49 28 61  
SINCE JAN 1 77 49 28 61    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 8:00 PM  
LOWEST 48 12:00 AM  
AVERAGE 66  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 94 1911  
MINIMUM TEMPERATURE (F) 54 32 1992  
 
SUNRISE AND SUNSET  
MAY 25 2024...........SUNRISE 5:22 AM CDT SUNSET 8:15 PM CDT  
MAY 26 2024...........SUNRISE 5:22 AM CDT SUNSET 8:16 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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