242  
CDUS43 KLOT 110635  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
135 AM CDT SAT MAY 11 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 10 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 67 5:57 PM 90 2011 68 -1 81  
MINIMUM 46 4:31 AM 28 1983 49 -3 49  
AVERAGE 57 58 -1 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.11 2.84 1951 0.15 -0.04 0.00  
MONTH TO DATE 2.42 1.47 0.95 0.29  
SINCE MAR 1 9.48 7.67 1.81 6.11  
SINCE JAN 1 13.63 11.63 2.00 12.54  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1902 0.0 0.0 0.0  
1907  
1945  
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 8 8 0 0  
MONTH TO DATE 36 89 -53 77  
SINCE MAR 1 1049 1365 -316 1295  
SINCE JUL 1 4737 5834 -1097 5330  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 8 10 -2 14  
SINCE MAR 1 17 20 -3 39  
SINCE JAN 1 17 20 -3 39    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 8.4  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 3:00 AM  
LOWEST 47 6:00 PM  
AVERAGE 70  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 90 2022  
MINIMUM TEMPERATURE (F) 49 33 1981  
 
SUNRISE AND SUNSET  
MAY 11 2024...........SUNRISE 5:35 AM CDT SUNSET 8:02 PM CDT  
MAY 12 2024...........SUNRISE 5:34 AM CDT SUNSET 8:03 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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