283  
CDUS43 KLOT 270634  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT MON MAY 27 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 26 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 73 6:37 PM 94 1911 74 -1 70  
MINIMUM 58 11:37 PM 34 1983 54 4 45  
AVERAGE 66 64 2 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.74 1.78 1913 0.13 0.61 0.00  
MONTH TO DATE 3.85 3.81 0.04 0.42  
SINCE MAR 1 10.91 10.01 0.90 6.24  
SINCE JAN 1 15.06 13.97 1.09 12.67  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1889 0.0 0.0 0.0  
1907  
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 0 4 -4 7  
MONTH TO DATE 54 180 -126 136  
SINCE MAR 1 1067 1456 -389 1354  
SINCE JUL 1 4755 5925 -1170 5389  
 
COOLING  
YESTERDAY 1 3 -2 0  
MONTH TO DATE 70 45 25 36  
SINCE MAR 1 79 55 24 61  
SINCE JAN 1 79 55 24 61    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 8.9  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 12:00 PM  
LOWEST 42 2:00 AM  
AVERAGE 70  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 97 2012  
2018  
MINIMUM TEMPERATURE (F) 54 33 1992  
 
SUNRISE AND SUNSET  
MAY 27 2024...........SUNRISE 5:21 AM CDT SUNSET 8:17 PM CDT  
MAY 28 2024...........SUNRISE 5:20 AM CDT SUNSET 8:18 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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