102  
CDUS43 KLOT 042133  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CDT SAT MAY 04 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 4 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 81 2:59 PM 92 1952 66 15 72  
MINIMUM 47 2:32 AM 32 1954 47 0 42  
AVERAGE 64 56 8 57  
 
PRECIPITATION (IN)  
TODAY 0.00 1.70 1990 0.15 -0.15 0.00  
MONTH TO DATE 0.80 0.59 0.21 0.08  
SINCE MAR 1 7.86 6.79 1.07 5.90  
SINCE JAN 1 12.01 10.75 1.26 12.33  
 
SNOWFALL (IN)  
TODAY 0.0 T 1891 0.0 0.0 0.0  
1907  
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  
TODAY 1 9 -8 8  
MONTH TO DATE 5 39 -34 61  
SINCE MAR 1 1018 1315 -297 1279  
SINCE JUL 1 4706 5784 -1078 5314  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 5 4 1 0  
SINCE MAR 1 14 14 0 25  
SINCE JAN 1 14 14 0 25    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 5:00 AM  
LOWEST 49 3:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 94 1949  
MINIMUM TEMPERATURE (F) 47 32 1992  
 
SUNRISE AND SUNSET  
MAY 4 2024...........SUNRISE 5:43 AM CDT SUNSET 7:54 PM CDT  
MAY 5 2024...........SUNRISE 5:42 AM CDT SUNSET 7:55 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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