132  
CDUS43 KLOT 220633  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT MON APR 22 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 21 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 58 3:24 PM 88 1985 61 -3 63  
MINIMUM 33 5:42 AM 27 1986 42 -9 44  
AVERAGE 46 52 -6 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.08 1973 0.13 -0.13 0.00  
MONTH TO DATE 2.04 2.48 -0.44 1.51  
SINCE MAR 1 5.63 4.93 0.70 5.31  
SINCE JAN 1 9.78 8.89 0.89 11.74  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.6 1903 0.0 0.0 0.0  
MONTH TO DATE T 1.1 -1.1 0.4  
SINCE MAR 1 1.0 6.6 -5.6 2.2  
SINCE JUL 1 22.2 38.2 -16.0 20.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 19 14 5 11  
MONTH TO DATE 287 361 -74 240  
SINCE MAR 1 929 1169 -240 1042  
SINCE JUL 1 4617 5638 -1021 5077  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 3 0 3 25  
SINCE MAR 1 3 2 1 25  
SINCE JAN 1 3 2 1 25    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 5:00 AM  
LOWEST 29 4:00 PM  
AVERAGE 49  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 91 1980  
MINIMUM TEMPERATURE (F) 43 24 1986  
 
SUNRISE AND SUNSET  
APRIL 22 2024.........SUNRISE 6:00 AM CDT SUNSET 7:41 PM CDT  
APRIL 23 2024.........SUNRISE 5:58 AM CDT SUNSET 7:42 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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