394  
CDUS43 KLOT 260632  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT FRI MAY 26 2023  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 25 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 62 3:35 PM 94 1911 74 -12 79  
MINIMUM 46 11:22 PM 32 1992 54 -8 54  
AVERAGE 54 64 -10 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.52 1879 0.14 -0.14 0.22  
MONTH TO DATE 0.42 3.68 -3.26 3.33  
SINCE MAR 1 6.24 9.88 -3.64 12.33  
SINCE JAN 1 12.67 13.84 -1.17 15.76  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1924 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  
YESTERDAY 11 4 7 0  
MONTH TO DATE 129 176 -47 163  
SINCE MAR 1 1347 1452 -105 1443  
SINCE JUL 1 5382 5921 -539 5660  
 
COOLING  
YESTERDAY 0 3 -3 2  
MONTH TO DATE 36 42 -6 97  
SINCE MAR 1 61 52 9 100  
SINCE JAN 1 61 52 9 100    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 11.8  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 60 11:00 PM  
LOWEST 28 1:00 AM  
AVERAGE 44  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 94 1911  
MINIMUM TEMPERATURE (F) 54 34 1983  
 
SUNRISE AND SUNSET  
MAY 26 2023...........SUNRISE 5:22 AM CDT SUNSET 8:16 PM CDT  
MAY 27 2023...........SUNRISE 5:22 AM CDT SUNSET 8:16 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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