460  
CDUS43 KLOT 222134  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CDT MON MAY 22 2023  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 22 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 83 1:15 PM 94 1925 73 10 63  
MINIMUM 55 4:40 AM 36 2006 53 2 50  
AVERAGE 69 63 6 57  
 
PRECIPITATION (IN)  
TODAY 0.00 1.62 1983 0.15 -0.15 0.00  
MONTH TO DATE 0.42 3.26 -2.84 3.11  
SINCE MAR 1 6.24 9.46 -3.22 12.11  
SINCE JAN 1 12.67 13.42 -0.75 15.54  
 
SNOWFALL (IN)  
TODAY 0.0 T 1917 0.0 0.0 0.0  
2011  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 2.3 6.8 -4.5 4.2  
SINCE JUL 1 20.2 38.4 -18.2 32.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 5 -5 8  
MONTH TO DATE 113 162 -49 144  
SINCE MAR 1 1331 1438 -107 1424  
SINCE JUL 1 5366 5907 -541 5641  
 
COOLING  
TODAY 4 3 1 0  
MONTH TO DATE 29 33 -4 95  
SINCE MAR 1 54 43 11 98  
SINCE JAN 1 54 43 11 98    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 64 5:00 AM  
LOWEST 22 3:00 PM  
AVERAGE 43  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 92 1921  
1964  
1977  
MINIMUM TEMPERATURE (F) 53 37 1917  
 
SUNRISE AND SUNSET  
MAY 22 2023...........SUNRISE 5:25 AM CDT SUNSET 8:12 PM CDT  
MAY 23 2023...........SUNRISE 5:24 AM CDT SUNSET 8:13 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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