203  
CDUS43 KLOT 012137  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
437 PM CDT MON APR 01 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 1 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 48 12:57 PM 83 2010 53 -5 48  
MINIMUM 42 6:25 AM 17 1881 36 6 32  
AVERAGE 45 44 1 40  
 
PRECIPITATION (IN)  
TODAY 0.07 1.58 1967 0.10 -0.03 0.03  
MONTH TO DATE 0.07 0.10 -0.03 0.03  
SINCE MAR 1 3.66 2.55 1.11 3.83  
SINCE JAN 1 7.81 6.51 1.30 10.26  
 
SNOWFALL (IN)  
TODAY 0.0 8.2 1970 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE MAR 1 1.0 5.6 -4.6 1.8  
SINCE JUL 1 22.2 37.2 -15.0 19.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 20 21 -1 25  
MONTH TO DATE 20 21 -1 25  
SINCE MAR 1 662 829 -167 827  
SINCE JUL 1 4350 5298 -948 4862  
 
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 24 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 13.2  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1:00 AM  
LOWEST 73 1:00 PM  
AVERAGE 85  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 82 1963  
MINIMUM TEMPERATURE (F) 36 18 1896  
1899  
 
SUNRISE AND SUNSET  
APRIL 1 2024.........SUNRISE 6:33 AM CDT SUNSET 7:18 PM CDT  
APRIL 2 2024.........SUNRISE 6:32 AM CDT SUNSET 7:19 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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