346  
CDUS43 KLOT 200634  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1234 AM CST MON NOV 20 2023  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR NOVEMBER 19 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 54 2:06 PM 75 1930 47 7 27  
MINIMUM 35 4:16 AM 10 1894 33 2 16  
AVERAGE 45 40 5 22  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.96 1985 0.07 -0.07 T  
MONTH TO DATE 0.10 1.57 -1.47 0.57  
SINCE SEP 1 5.74 8.19 -2.45 4.43  
SINCE JAN 1 30.00 34.90 -4.90 29.54  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.2 1955 0.0 0.0 T  
MONTH TO DATE 0.0 0.6 -0.6 1.1  
SINCE SEP 1 0.9 0.8 0.1 1.1  
SINCE JUL 1 0.9 0.8 0.1 1.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 25 -5 43  
MONTH TO DATE 315 406 -91 364  
SINCE SEP 1 621 838 -217 784  
SINCE JUL 1 623 844 -221 784  
 
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 14 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 10:00 PM  
LOWEST 49 2:00 PM  
AVERAGE 63  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 68 1913  
1930  
MINIMUM TEMPERATURE (F) 32 8 1873  
 
SUNRISE AND SUNSET  
NOVEMBER 20 2023......SUNRISE 6:47 AM CST SUNSET 4:27 PM CST  
NOVEMBER 21 2023......SUNRISE 6:48 AM CST SUNSET 4:26 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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