236  
CDUS43 KLOT 272134  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CDT SAT APR 27 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 27 2024  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 79 2:45 PM 87 1986 64 15 67  
2021  
MINIMUM 59 2:42 AM 29 1945 44 15 37  
AVERAGE 69 54 15 52  
 
PRECIPITATION (IN)  
TODAY 0.03 2.13 1959 0.14 -0.11 0.00  
MONTH TO DATE 2.45 3.30 -0.85 1.73  
SINCE MAR 1 6.04 5.75 0.29 5.53  
SINCE JAN 1 10.19 9.71 0.48 11.96  
 
SNOWFALL (IN)  
TODAY 0.0 2.5 2019 0.1 -0.1 0.0  
MONTH TO DATE T 1.3 -1.3 0.5  
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  
TODAY 0 12 -12 13  
MONTH TO DATE 365 436 -71 370  
SINCE MAR 1 1007 1244 -237 1172  
SINCE JUL 1 4695 5713 -1018 5207  
 
COOLING  
TODAY 4 0 4 0  
MONTH TO DATE 7 0 7 25  
SINCE MAR 1 7 2 5 25  
SINCE JAN 1 7 2 5 25    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 15.9  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1:00 AM  
LOWEST 60 2:00 PM  
AVERAGE 77  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 86 1915  
MINIMUM TEMPERATURE (F) 45 28 1992  
 
SUNRISE AND SUNSET  
APRIL 27 2024.........SUNRISE 5:52 AM CDT SUNSET 7:47 PM CDT  
APRIL 28 2024.........SUNRISE 5:51 AM CDT SUNSET 7:48 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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