979  
CDUS43 KLOT 092213  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
513 PM CDT THU MAY 09 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 9 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 63 2:04 AM 94 1934 68 -5 70  
MINIMUM 54 2:59 PM 27 1983 48 6 46  
AVERAGE 59 58 1 58  
 
PRECIPITATION (IN)  
TODAY 0.45 3.14 1990 0.15 0.30 0.00  
MONTH TO DATE 2.25 1.32 0.93 0.29  
SINCE MAR 1 9.31 7.52 1.79 6.11  
SINCE JAN 1 13.46 11.48 1.98 12.54  
 
SNOWFALL (IN)  
TODAY 0.0 0.1 1923 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 1.0 6.8 -5.8 2.3  
SINCE JUL 1 22.2 38.4 -16.2 20.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 6 8 -2 7  
MONTH TO DATE 25 81 -56 77  
SINCE MAR 1 1038 1357 -319 1295  
SINCE JUL 1 4726 5826 -1100 5330  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 8 9 -1 14  
SINCE MAR 1 17 19 -2 39  
SINCE JAN 1 17 19 -2 39    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 12.4  
 
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 97 6:00 AM  
LOWEST 56 2:00 AM  
AVERAGE 77  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 90 2011  
MINIMUM TEMPERATURE (F) 49 28 1983  
 
SUNRISE AND SUNSET  
MAY 9 2024...........SUNRISE 5:37 AM CDT SUNSET 8:00 PM CDT  
MAY 10 2024...........SUNRISE 5:36 AM CDT SUNSET 8:01 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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