986  
CDUS43 KLOT 162138  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
438 PM CDT TUE MAY 16 2023  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 16 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 81 2:56 PM 94 1962 71 10 78  
MINIMUM 52 2:14 AM 33 1997 51 1 54  
AVERAGE 67 61 6 66  
 
PRECIPITATION (IN)  
TODAY 0.00 1.38 1974 0.15 -0.15 0.00  
MONTH TO DATE 0.39 2.37 -1.98 1.92  
SINCE MAR 1 6.21 8.57 -2.36 10.92  
SINCE JAN 1 12.64 12.53 0.11 14.35  
 
SNOWFALL (IN)  
TODAY 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 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 6 -6 0  
MONTH TO DATE 91 129 -38 115  
SINCE MAR 1 1309 1405 -96 1395  
SINCE JUL 1 5344 5874 -530 5612  
 
COOLING  
TODAY 2 2 0 1  
MONTH TO DATE 23 20 3 83  
SINCE MAR 1 48 30 18 86  
SINCE JAN 1 48 30 18 86    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 54 3:00 AM  
LOWEST 23 3:00 PM  
AVERAGE 39  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 94 1962  
MINIMUM TEMPERATURE (F) 51 36 1973  
2002  
 
SUNRISE AND SUNSET  
MAY 16 2023...........SUNRISE 5:30 AM CDT SUNSET 8:06 PM CDT  
MAY 17 2023...........SUNRISE 5:29 AM CDT SUNSET 8:07 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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