143  
CDUS43 KLOT 140632  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT SUN MAY 14 2023  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 13 2023
 
 
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)  
YESTERDAY  
MAXIMUM 70 2:17 PM 89 1956 70 0 89  
1991  
2022  
MINIMUM 56 8:42 PM 34 1888 50 6 68  
1996  
AVERAGE 63 60 3 79  
 
PRECIPITATION (IN)  
YESTERDAY T 1.49 2010 0.16 -0.16 0.00  
MONTH TO DATE 0.37 1.93 -1.56 1.92  
SINCE MAR 1 6.19 8.13 -1.94 10.92  
SINCE JAN 1 12.62 12.09 0.53 14.35  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1895 0.0 0.0 0.0  
1953  
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  
YESTERDAY 2 7 -5 0  
MONTH TO DATE 79 110 -31 115  
SINCE MAR 1 1297 1386 -89 1395  
SINCE JUL 1 5332 5855 -523 5612  
 
COOLING  
YESTERDAY 0 2 -2 14  
MONTH TO DATE 21 14 7 68  
SINCE MAR 1 46 24 22 71  
SINCE JAN 1 46 24 22 71    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 10.1  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 12:00 AM  
LOWEST 54 4:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 92 1982  
MINIMUM TEMPERATURE (F) 50 32 1895  
 
SUNRISE AND SUNSET  
MAY 14 2023...........SUNRISE 5:32 AM CDT SUNSET 8:04 PM CDT  
MAY 15 2023...........SUNRISE 5:31 AM CDT SUNSET 8:05 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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