148  
CDUS43 KLOT 080640  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1240 AM CST FRI MAR 08 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 7 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 51 1:45 PM 78 2000 43 8 45  
MINIMUM 36 6:01 AM -2 1943 28 8 36  
AVERAGE 44 36 8 41  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.15 1872 0.08 -0.08 T  
MONTH TO DATE 0.82 0.56 0.26 0.48  
SINCE MAR 1 0.82 0.56 0.26 0.48  
SINCE JAN 1 4.97 4.52 0.45 6.91  
 
SNOWFALL (IN)  
YESTERDAY 0.0 10.9 1931 0.2 -0.2 0.0  
MONTH TO DATE 0.0 1.8 -1.8 0.0  
SINCE MAR 1 0.0 1.8 -1.8 0.0  
SINCE JUL 1 21.2 33.4 -12.2 17.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 21 29 -8 24  
MONTH TO DATE 123 212 -89 165  
SINCE MAR 1 123 212 -89 165  
SINCE JUL 1 3811 4681 -870 4200  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 7.1  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 6:00 PM  
LOWEST 59 12:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 78 2000  
MINIMUM TEMPERATURE (F) 29 -7 1943  
 
SUNRISE AND SUNSET  
MARCH 8 2024.........SUNRISE 6:14 AM CST SUNSET 5:51 PM CST  
MARCH 9 2024.........SUNRISE 6:13 AM CST SUNSET 5:52 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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