754  
CDUS43 KLOT 090634  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT TUE MAY 09 2023  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 8 2023
 
 
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)  
YESTERDAY  
MAXIMUM 60 12:01 AM 91 1963 68 -8 65  
MINIMUM 51 11:36 PM 29 1983 48 3 43  
AVERAGE 56 58 -2 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.16 1.26 1880 0.15 0.01 0.00  
MONTH TO DATE 0.29 1.17 -0.88 1.92  
SINCE MAR 1 6.11 7.37 -1.26 10.92  
SINCE JAN 1 12.54 11.33 1.21 14.35  
 
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 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  
YESTERDAY 9 8 1 11  
MONTH TO DATE 70 73 -3 115  
SINCE MAR 1 1288 1349 -61 1395  
SINCE JUL 1 5323 5818 -495 5612  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 14 8 6 0  
SINCE MAR 1 39 18 21 3  
SINCE JAN 1 39 18 21 3    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 12:00 PM  
LOWEST 80 8:00 AM  
AVERAGE 85  
   
......................................................
 
 
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 2023...........SUNRISE 5:38 AM CDT SUNSET 7:59 PM CDT  
MAY 10 2023...........SUNRISE 5:37 AM CDT SUNSET 8:00 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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