955  
CDUS43 KLOT 312134  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CDT FRI MAY 31 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 31 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 2:43 PM 98 1934 76 3 91  
MINIMUM 50 3:51 AM 35 1873 56 -6 69  
AVERAGE 65 66 -1 80  
 
PRECIPITATION (IN)  
TODAY 0.00 1.81 1942 0.14 -0.14 0.29  
MONTH TO DATE 4.06 4.49 -0.43 0.71  
SINCE MAR 1 11.12 10.69 0.43 6.53  
SINCE JAN 1 15.27 14.65 0.62 12.96  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM 0.0 0.0 0.0  
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 0 3 -3 0  
MONTH TO DATE 68 198 -130 140  
SINCE MAR 1 1081 1474 -393 1358  
SINCE JUL 1 4769 5943 -1174 5393  
 
COOLING  
TODAY 0 4 -4 15  
MONTH TO DATE 71 60 11 68  
SINCE MAR 1 80 70 10 93  
SINCE JAN 1 80 70 10 93    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 5:00 AM  
LOWEST 32 2:00 PM  
AVERAGE 56  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 102 1934  
MINIMUM TEMPERATURE (F) 56 37 1993  
 
SUNRISE AND SUNSET  
MAY 31 2024...........SUNRISE 5:19 AM CDT SUNSET 8:20 PM CDT  
JUNE 1 2024..........SUNRISE 5:18 AM CDT SUNSET 8:21 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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