244  
CDUS43 KLOT 292142  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
442 PM CDT SAT APR 29 2023  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 29 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 59 2:35 PM 88 1899 64 -5 66  
1970  
MINIMUM 43 4:10 AM 31 1958 45 -2 47  
2008  
2018  
AVERAGE 51 55 -4 57  
 
PRECIPITATION (IN)  
TODAY 0.17 2.75 1909 0.15 0.02 0.04  
MONTH TO DATE 1.90 3.60 -1.70 3.77  
SINCE MAR 1 5.70 6.05 -0.35 7.46  
SINCE JAN 1 12.13 10.01 2.12 10.89  
 
SNOWFALL (IN)  
TODAY 0.0 T 1909 0.0 0.0 0.0  
1950  
MONTH TO DATE 0.5 1.3 -0.8 0.4  
SINCE MAR 1 2.3 6.8 -4.5 4.2  
SINCE JUL 1 20.2 38.4 -18.2 32.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 14 11 3 8  
MONTH TO DATE 395 458 -63 528  
SINCE MAR 1 1197 1266 -69 1275  
SINCE JUL 1 5232 5735 -503 5492  
 
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 17 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 12:00 PM  
LOWEST 45 9:00 AM  
AVERAGE 68  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 91 1942  
MINIMUM TEMPERATURE (F) 45 30 1873  
 
SUNRISE AND SUNSET  
APRIL 29 2023.........SUNRISE 5:51 AM CDT SUNSET 7:48 PM CDT  
APRIL 30 2023.........SUNRISE 5:49 AM CDT SUNSET 7:49 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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