117  
CDUS43 KLOT 230635  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
135 AM CDT SUN APR 23 2023  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 22 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 47 2:37 PM 91 1980 62 -15 53  
MINIMUM 35 11:27 AM 24 1986 43 -8 46  
AVERAGE 41 52 -11 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 1.55 1981 0.13 -0.08 0.80  
MONTH TO DATE 1.56 2.61 -1.05 3.32  
SINCE MAR 1 5.36 5.06 0.30 7.01  
SINCE JAN 1 11.79 9.02 2.77 10.44  
 
SNOWFALL (IN)  
YESTERDAY 0.1 0.2 1893 0.0 0.1 0.0  
MONTH TO DATE 0.5 1.1 -0.6 0.4  
SINCE MAR 1 2.3 6.6 -4.3 4.2  
SINCE JUL 1 20.2 38.2 -18.0 32.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 13 11 15  
MONTH TO DATE 264 374 -110 431  
SINCE MAR 1 1066 1182 -116 1178  
SINCE JUL 1 5101 5651 -550 5395  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 25 0 25 0  
SINCE MAR 1 25 2 23 0  
SINCE JAN 1 25 2 23 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 10.6  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
HAIL  
SNOW  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 12:00 PM  
LOWEST 47 3:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 88 1960  
MINIMUM TEMPERATURE (F) 43 25 1873  
1986  
 
SUNRISE AND SUNSET  
APRIL 23 2023.........SUNRISE 5:59 AM CDT SUNSET 7:41 PM CDT  
APRIL 24 2023.........SUNRISE 5:58 AM CDT SUNSET 7:42 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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