884  
CDUS43 KLOT 232147  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
447 PM CDT SUN SEP 23 2018  
 
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 23 2018
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1928 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE  
VALUE (LST) VALUE VALUE FROM  
NORMAL    
...........................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 70 258 PM 95 2017 73 -3  
MINIMUM 53 554 AM 35 1974 54 -1  
1947  
AVERAGE 62 63 -1  
 
PRECIPITATION (IN)  
TODAY 0.00 2.09 1961 0.11 -0.11  
MONTH TO DATE 1.48 2.59 -1.11  
SINCE SEP 1 1.48 2.59 -1.11  
SINCE JAN 1 27.28 29.14 -1.86  
 
DEGREE DAYS  
HEATING  
TODAY 3 4 -1  
MONTH TO DATE 8 43 -35  
SINCE SEP 1 8 43 -35  
SINCE JUL 1 8 48 -40  
 
COOLING  
TODAY 0 2 -2  
MONTH TO DATE 196 107 89  
SINCE SEP 1 196 107 89  
SINCE JAN 1 1361 1017 344    
...........................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION E (100)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 4.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
   
......................................................
 
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 92 2017  
MINIMUM TEMPERATURE (F) 54 30 1928  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2018.....SUNRISE 639 AM CDT SUNSET 646 PM CDT  
SEPTEMBER 24 2018.....SUNRISE 640 AM CDT SUNSET 645 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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