016  
CDUS43 KLOT 160633  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT THU MAY 16 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 15 2024  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 67 4:30 PM 91 1962 70 -3 68  
MINIMUM 52 2:52 AM 35 1895 50 2 51  
2016  
AVERAGE 60 60 0 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.31 1915 0.14 -0.14 0.00  
MONTH TO DATE 2.57 2.22 0.35 0.39  
SINCE MAR 1 9.63 8.42 1.21 6.21  
SINCE JAN 1 13.78 12.38 1.40 12.64  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 1.0 6.8 -5.8 2.3  
SINCE JUL 1 22.2 38.4 -16.2 20.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 6 -1 5  
MONTH TO DATE 53 123 -70 91  
SINCE MAR 1 1066 1399 -333 1309  
SINCE JUL 1 4754 5868 -1114 5344  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 16 18 -2 21  
SINCE MAR 1 25 28 -3 46  
SINCE JAN 1 25 28 -3 46    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 11.9  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 3:00 AM  
LOWEST 35 5:00 PM  
AVERAGE 56  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 94 1962  
MINIMUM TEMPERATURE (F) 51 33 1997  
 
SUNRISE AND SUNSET  
MAY 16 2024...........SUNRISE 5:30 AM CDT SUNSET 8:07 PM CDT  
MAY 17 2024...........SUNRISE 5:29 AM CDT SUNSET 8:08 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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