864  
CDUS43 KLOT 062239  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
439 PM CST THU MAR 06 2025  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 6 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 42 3:11 PM 70 1983 43 -1 47  
2000  
MINIMUM 27 6:44 AM 0 2015 28 -1 37  
AVERAGE 35 36 -1 42  
 
PRECIPITATION (IN)  
TODAY 0.00 0.92 1894 0.08 -0.08 T  
MONTH TO DATE 1.01 0.48 0.53 0.82  
SINCE MAR 1 1.01 0.48 0.53 0.82  
SINCE JAN 1 3.51 4.44 -0.93 4.97  
 
SNOWFALL (IN)  
TODAY 0.0 4.0 1943 0.3 -0.3 0.0  
MONTH TO DATE T 1.6 -1.6 0.0  
SINCE MAR 1 T 1.6 -1.6 0.0  
SINCE JUL 1 14.8 33.2 -18.4 21.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 30 30 0 23  
MONTH TO DATE 172 183 -11 102  
SINCE MAR 1 172 183 -11 102  
SINCE JUL 1 4307 4652 -345 3790  
 
COOLING  
TODAY 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 24 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 15.0  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 5:00 AM  
LOWEST 39 2:00 PM  
AVERAGE 54  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 43 78 2000  
MINIMUM TEMPERATURE (F) 28 -2 1943  
 
SUNRISE AND SUNSET  
MARCH 6 2025.........SUNRISE 6:18 AM CST SUNSET 5:48 PM CST  
MARCH 7 2025.........SUNRISE 6:16 AM CST SUNSET 5:49 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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