473  
CDUS43 KLOT 092136  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
436 PM CDT TUE APR 09 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 9 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 63 2:48 PM 80 1887 56 7 68  
MINIMUM 51 5:51 AM 20 1989 38 13 41  
AVERAGE 57 47 10 55  
 
PRECIPITATION (IN)  
TODAY 0.00 1.49 1882 0.11 -0.11 0.00  
MONTH TO DATE 1.58 0.98 0.60 1.20  
SINCE MAR 1 5.17 3.43 1.74 5.00  
SINCE JAN 1 9.32 7.39 1.93 11.43  
 
SNOWFALL (IN)  
TODAY 0.0 2.0 2018 0.0 0.0 0.0  
MONTH TO DATE T 0.6 -0.6 T  
SINCE MAR 1 1.0 6.1 -5.1 1.8  
SINCE JUL 1 22.2 37.7 -15.5 19.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 8 18 -10 10  
MONTH TO DATE 174 174 0 147  
SINCE MAR 1 816 982 -166 949  
SINCE JUL 1 4504 5451 -947 4984  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 2 -2 0  
SINCE JAN 1 0 2 -2 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 10.4  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 6:00 AM  
LOWEST 44 11:00 AM  
AVERAGE 58  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 90 1930  
MINIMUM TEMPERATURE (F) 38 18 1989  
 
SUNRISE AND SUNSET  
APRIL 9 2024.........SUNRISE 6:20 AM CDT SUNSET 7:27 PM CDT  
APRIL 10 2024.........SUNRISE 6:18 AM CDT SUNSET 7:28 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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