061  
CDUS43 KLOT 050639  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
139 AM CDT FRI APR 05 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 4 2024  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 45 1:54 PM 79 1921 54 -9 69  
1929  
MINIMUM 36 9:59 AM 16 1975 37 -1 44  
AVERAGE 41 46 -5 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.07 1.90 1947 0.11 -0.04 0.77  
MONTH TO DATE 1.21 0.42 0.79 0.92  
SINCE MAR 1 4.80 2.87 1.93 4.72  
SINCE JAN 1 8.95 6.83 2.12 11.15  
 
SNOWFALL (IN)  
YESTERDAY T 6.4 1920 0.1 -0.1 T  
MONTH TO DATE T 0.4 -0.4 T  
SINCE MAR 1 1.0 5.9 -4.9 1.8  
SINCE JUL 1 22.2 37.5 -15.3 19.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 20 4 8  
MONTH TO DATE 96 81 15 66  
SINCE MAR 1 738 889 -151 868  
SINCE JUL 1 4426 5358 -932 4903  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 2 -2 0  
SINCE JAN 1 0 2 -2 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 13.6  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 9:00 AM  
LOWEST 73 4:00 PM  
AVERAGE 81  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 55 85 1988  
MINIMUM TEMPERATURE (F) 37 18 1979  
1995  
 
SUNRISE AND SUNSET  
APRIL 5 2024.........SUNRISE 6:27 AM CDT SUNSET 7:22 PM CDT  
APRIL 6 2024.........SUNRISE 6:25 AM CDT SUNSET 7:23 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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