306  
CDUS43 KLOT 202236  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
436 PM CST MON NOV 20 2023  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR NOVEMBER 20 2023  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 50 12:17 PM 68 1913 46 4 34  
1930  
MINIMUM 44 8:43 AM 8 1873 32 12 13  
AVERAGE 47 39 8 24  
 
PRECIPITATION (IN)  
TODAY T 1.23 1970 0.08 -0.08 0.00  
MONTH TO DATE 0.10 1.65 -1.55 0.57  
SINCE SEP 1 5.74 8.27 -2.53 4.43  
SINCE JAN 1 30.00 34.98 -4.98 29.54  
 
SNOWFALL (IN)  
TODAY 0.0 4.2 2015 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.7 -0.7 1.1  
SINCE SEP 1 0.9 0.9 -0.0 1.1  
SINCE JUL 1 0.9 0.9 -0.0 1.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 18 26 -8 41  
MONTH TO DATE 333 432 -99 405  
SINCE SEP 1 639 864 -225 825  
SINCE JUL 1 641 870 -229 825  
 
COOLING  
TODAY 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 E (80)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 13.1  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 8:00 AM  
LOWEST 56 12:00 PM  
AVERAGE 65  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 72 1913  
MINIMUM TEMPERATURE (F) 32 1 1880  
 
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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