823  
CDUS43 KLOT 152133  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CDT MON APR 15 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 15 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 75 2:57 PM 88 2002 59 16 83  
MINIMUM 48 4:22 AM 25 1943 40 8 64  
AVERAGE 62 49 13 74  
 
PRECIPITATION (IN)  
TODAY 0.00 1.74 1884 0.12 -0.12 0.01  
MONTH TO DATE 1.65 1.68 -0.03 1.21  
SINCE MAR 1 5.24 4.13 1.11 5.01  
SINCE JAN 1 9.39 8.09 1.30 11.44  
 
SNOWFALL (IN)  
TODAY 0.0 1.7 2020 0.0 0.0 0.0  
MONTH TO DATE T 0.9 -0.9 T  
SINCE MAR 1 1.0 6.4 -5.4 1.8  
SINCE JUL 1 22.2 38.0 -15.8 19.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 3 16 -13 0  
MONTH TO DATE 211 274 -63 152  
SINCE MAR 1 853 1082 -229 954  
SINCE JUL 1 4541 5551 -1010 4989  
 
COOLING  
TODAY 0 0 0 9  
MONTH TO DATE 2 0 2 25  
SINCE MAR 1 2 2 0 25  
SINCE JAN 1 2 2 0 25    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 7.3  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 5:00 AM  
LOWEST 24 3:00 PM  
AVERAGE 48  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 87 2002  
MINIMUM TEMPERATURE (F) 40 18 1875  
 
SUNRISE AND SUNSET  
APRIL 15 2024.........SUNRISE 6:10 AM CDT SUNSET 7:33 PM CDT  
APRIL 16 2024.........SUNRISE 6:09 AM CDT SUNSET 7:34 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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