824  
CDUS43 KLOT 210633  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT THU OCT 21 2021  
   
...............................
 
 
   
..THE CHICAGO EXECUTIVE CLIMATE SUMMARY FOR OCTOBER 20 2021
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1996 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 73 4:01 PM 84 2003 61 12 52  
MINIMUM 50 6:35 AM 31 2018 43 7 39  
AVERAGE 62 52 10 46  
 
PRECIPITATION (IN)  
YESTERDAY T 0.27 2008 0.09 -0.09 0.14  
MONTH TO DATE 2.43 2.12 0.31 0.71  
SINCE SEP 1 3.86 5.16 -1.30 4.27  
SINCE JAN 1 18.80 27.50 -8.70 29.46  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 13 -10 19  
MONTH TO DATE 59 197 -138 216  
SINCE SEP 1 73 279 -206 286  
SINCE JUL 1 74 286 -212 286  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 60 11 49 2  
SINCE SEP 1 218 117 101 84  
SINCE JAN 1 1265 931 334 1147    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 8.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
   
......................................................
 
 
THE CHICAGO EXECUTIVE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 80 2007  
MINIMUM TEMPERATURE (F) 43 28 2018  
 
SUNRISE AND SUNSET  
OCTOBER 21 2021.......SUNRISE 7:11 AM CDT SUNSET 6:00 PM CDT  
OCTOBER 22 2021.......SUNRISE 7:13 AM CDT SUNSET 5:59 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page
The Nexlab IN Page Main Text Page