292  
CDUS43 KLOT 052236  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
436 PM CST WED MAR 05 2025  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 5 2025
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
SNOWFALL VALID THROUGH NOON 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 51 11:16 AM 75 1983 43 8 45  
MINIMUM 35 3:59 PM 0 1873 28 7 40  
1978  
AVERAGE 43 35 8 43  
 
PRECIPITATION (IN)  
TODAY 0.37 0.99 1946 0.07 0.30 0.75  
MONTH TO DATE 1.01 0.40 0.61 0.82  
SINCE MAR 1 1.01 0.40 0.61 0.82  
SINCE JAN 1 3.51 4.36 -0.85 4.97  
 
SNOWFALL (IN)  
TODAY 0.0 9.2 2013 0.2 -0.2 0.0  
MONTH TO DATE T 1.3 -1.3 0.0  
SINCE MAR 1 T 1.3 -1.3 0.0  
SINCE JUL 1 14.8 32.9 -18.1 21.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 22 30 -8 22  
MONTH TO DATE 140 153 -13 79  
SINCE MAR 1 140 153 -13 79  
SINCE JUL 1 4275 4622 -347 3767  
 
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 (310)  
AVERAGE WIND SPEED 11.4  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 4:00 AM  
LOWEST 77 11:00 AM  
AVERAGE 87  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 43 70 1983  
2000  
MINIMUM TEMPERATURE (F) 28 0 2015  
 
SUNRISE AND SUNSET  
MARCH 5 2025.........SUNRISE 6:20 AM CST SUNSET 5:47 PM CST  
MARCH 6 2025.........SUNRISE 6:18 AM CST SUNSET 5:48 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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