193  
CDUS43 KLOT 242143  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
443 PM CDT MON APR 24 2023  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 24 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 54 2:50 PM 87 1915 62 -8 73  
1990  
MINIMUM 36 4:54 AM 29 1910 43 -7 54  
2015  
AVERAGE 45 53 -8 64  
 
PRECIPITATION (IN)  
TODAY 0.00 2.05 1976 0.13 -0.13 0.41  
MONTH TO DATE 1.56 2.88 -1.32 3.73  
SINCE MAR 1 5.36 5.33 0.03 7.42  
SINCE JAN 1 11.79 9.29 2.50 10.85  
 
SNOWFALL (IN)  
TODAY 0.0 0.9 1910 0.0 0.0 0.0  
MONTH TO DATE 0.5 1.2 -0.7 0.4  
SINCE MAR 1 2.3 6.7 -4.4 4.2  
SINCE JUL 1 20.2 38.3 -18.1 32.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 20 13 7 1  
MONTH TO DATE 310 400 -90 432  
SINCE MAR 1 1112 1208 -96 1179  
SINCE JUL 1 5147 5677 -530 5396  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 25 0 25 3  
SINCE MAR 1 25 2 23 3  
SINCE JAN 1 25 2 23 3    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 8.6  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 1:00 AM  
LOWEST 29 3:00 PM  
AVERAGE 48  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 87 1990  
MINIMUM TEMPERATURE (F) 44 27 1887  
 
SUNRISE AND SUNSET  
APRIL 24 2023.........SUNRISE 5:58 AM CDT SUNSET 7:42 PM CDT  
APRIL 25 2023.........SUNRISE 5:56 AM CDT SUNSET 7:44 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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