644  
CDUS43 KLOT 090634  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT THU MAY 09 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 8 2024
 
 
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)  
YESTERDAY  
MAXIMUM 79 1:42 PM 91 1963 68 11 60  
MINIMUM 53 4:55 AM 29 1983 48 5 51  
AVERAGE 66 58 8 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.26 1880 0.15 -0.15 0.16  
MONTH TO DATE 1.80 1.17 0.63 0.29  
SINCE MAR 1 8.86 7.37 1.49 6.11  
SINCE JAN 1 13.01 11.33 1.68 12.54  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.5 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  
YESTERDAY 0 8 -8 9  
MONTH TO DATE 19 73 -54 70  
SINCE MAR 1 1032 1349 -317 1288  
SINCE JUL 1 4720 5818 -1098 5323  
 
COOLING  
YESTERDAY 1 1 0 0  
MONTH TO DATE 8 8 0 14  
SINCE MAR 1 17 18 -1 39  
SINCE JAN 1 17 18 -1 39    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 7.1  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 6:00 AM  
LOWEST 25 5:00 PM  
AVERAGE 51  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 94 1934  
MINIMUM TEMPERATURE (F) 48 27 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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