392  
CDUS43 KLOT 122137  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
437 PM CDT WED JUL 12 2023  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 12 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 72 2:59 PM 97 1952 85 -13 86  
1954  
1995  
MINIMUM 64 6:30 AM 53 1999 67 -3 68  
AVERAGE 68 76 -8 77  
 
PRECIPITATION (IN)  
TODAY 0.70 6.16 1957 0.12 0.58 0.00  
MONTH TO DATE 5.31 1.36 3.95 1.57  
SINCE JUN 1 7.67 5.46 2.21 4.23  
SINCE JAN 1 20.63 20.11 0.52 20.13  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.0 0.0 T  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 25 31 -6 7  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 3 11 -8 12  
MONTH TO DATE 119 123 -4 130  
SINCE JUN 1 324 322 2 362  
SINCE JAN 1 417 392 25 507    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 7.9  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 12:00 PM  
LOWEST 59 12:00 AM  
AVERAGE 76  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 104 1995  
MINIMUM TEMPERATURE (F) 67 52 1975  
 
SUNRISE AND SUNSET  
JULY 12 2023..........SUNRISE 5:27 AM CDT SUNSET 8:27 PM CDT  
JULY 13 2023..........SUNRISE 5:28 AM CDT SUNSET 8:27 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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