078  
CDUS43 KLOT 252133  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CDT TUE APR 25 2023  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 25 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 46 2:41 PM 87 1990 63 -17 54  
MINIMUM 37 7:00 AM 27 1887 44 -7 41  
AVERAGE 42 53 -11 48  
 
PRECIPITATION (IN)  
TODAY 0.16 1.95 1902 0.14 0.02 0.00  
MONTH TO DATE 1.73 3.02 -1.29 3.73  
SINCE MAR 1 5.53 5.47 0.06 7.42  
SINCE JAN 1 11.96 9.43 2.53 10.85  
 
SNOWFALL (IN)  
TODAY T 2.5 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 23 12 11 17  
MONTH TO DATE 333 412 -79 449  
SINCE MAR 1 1135 1220 -85 1196  
SINCE JUL 1 5170 5689 -519 5413  
 
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 NE (30)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 11.1  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
LIGHT SNOW  
SLEET  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 7:00 AM  
LOWEST 60 3:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 89 1986  
MINIMUM TEMPERATURE (F) 44 27 2006  
 
SUNRISE AND SUNSET  
APRIL 25 2023.........SUNRISE 5:56 AM CDT SUNSET 7:44 PM CDT  
APRIL 26 2023.........SUNRISE 5:55 AM CDT SUNSET 7:45 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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