598  
CDUS43 KLOT 100631  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT WED APR 10 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 9 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 63 4:25 PM 80 1887 56 7 68  
MINIMUM 49 11:59 PM 20 1989 38 11 41  
AVERAGE 56 47 9 55  
 
PRECIPITATION (IN)  
YESTERDAY 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)  
YESTERDAY 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  
YESTERDAY 9 18 -9 10  
MONTH TO DATE 175 174 1 147  
SINCE MAR 1 817 982 -165 949  
SINCE JUL 1 4505 5451 -946 4984  
 
COOLING  
YESTERDAY 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 8.5  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
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 TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 90 1930  
MINIMUM TEMPERATURE (F) 38 18 1989  
 
SUNRISE AND SUNSET  
APRIL 10 2024.........SUNRISE 6:18 AM CDT SUNSET 7:28 PM CDT  
APRIL 11 2024.........SUNRISE 6:17 AM CDT SUNSET 7:29 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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