754  
CDUS43 KLOT 180638  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1238 AM CST SAT NOV 18 2023  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR NOVEMBER 17 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 1:53 AM 74 1952 48 12 33  
1971  
1975  
MINIMUM 34 11:59 PM 3 1959 34 0 29  
AVERAGE 47 40 7 31  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.43 1892 0.08 -0.07 T  
MONTH TO DATE 0.10 1.42 -1.32 0.57  
SINCE SEP 1 5.74 8.04 -2.30 4.43  
SINCE JAN 1 30.00 34.75 -4.75 29.54  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.8 1927 0.0 0.0 T  
MONTH TO DATE 0.0 0.5 -0.5 1.0  
SINCE SEP 1 0.9 0.7 0.2 1.0  
SINCE JUL 1 0.9 0.7 0.2 1.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 18 24 -6 34  
MONTH TO DATE 272 356 -84 282  
SINCE SEP 1 578 788 -210 702  
SINCE JUL 1 580 794 -214 702  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 5  
SINCE SEP 1 211 131 80 173  
SINCE JAN 1 1145 1003 142 1174    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 9.4  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 3:00 AM  
LOWEST 50 8:00 PM  
AVERAGE 69  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 47 72 1953  
MINIMUM TEMPERATURE (F) 33 8 1880  
 
SUNRISE AND SUNSET  
NOVEMBER 18 2023......SUNRISE 6:45 AM CST SUNSET 4:28 PM CST  
NOVEMBER 19 2023......SUNRISE 6:46 AM CST SUNSET 4:27 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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