746  
CDUS43 KLOT 040633  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT THU MAY 04 2023  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 3 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 59 2:36 PM 92 1955 66 -7 50  
MINIMUM 38 5:36 AM 30 2004 46 -8 44  
AVERAGE 49 56 -7 47  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.59 1919 0.15 -0.15 1.31  
MONTH TO DATE 0.08 0.44 -0.36 1.31  
SINCE MAR 1 5.90 6.64 -0.74 10.31  
SINCE JAN 1 12.33 10.60 1.73 13.74  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.3 1907 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 16 10 6 18  
MONTH TO DATE 53 30 23 44  
SINCE MAR 1 1271 1306 -35 1324  
SINCE JUL 1 5306 5775 -469 5541  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 3 -3 0  
SINCE MAR 1 25 13 12 3  
SINCE JAN 1 25 13 12 3    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 5:00 AM  
LOWEST 40 1:00 PM  
AVERAGE 58  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 92 1952  
MINIMUM TEMPERATURE (F) 47 32 1954  
 
SUNRISE AND SUNSET  
MAY 4 2023...........SUNRISE 5:44 AM CDT SUNSET 7:53 PM CDT  
MAY 5 2023...........SUNRISE 5:43 AM CDT SUNSET 7:55 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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