407  
CDUS43 KLOT 032245  
CLICHI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
440 PM CST MON JAN 3 2005  
   
THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 3 2005...
 
VALID TODAY AS OF 400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1971 TO 2000  
CLIMATE RECORD PERIOD 1871 TO 2005  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL  
     
.....................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 36 359 PM 60 1950 30 6 52  
1874  
MINIMUM 33 741 AM -18 1879 15 18 30  
AVERAGE 35 23 12 41  
 
PRECIPITATION (IN)  
TODAY 0.20 1.24 1897 0.06 0.14 T  
MONTH TO DATE 0.59 0.18 0.41 T  
SINCE DEC 1 1.69 2.61 -0.92 1.82  
SINCE JAN 1 0.59 0.18 0.41 T  
 
SNOWFALL (IN)  
TODAY 0.0  
 
DEGREE DAYS  
HEATING  
TODAY 30 42 -12 24  
MONTH TO DATE 83 126 -43 70  
SINCE DEC 1 1196 1277 -81 1095  
SINCE JUL 1 2255 2564 -309 2303  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0  
     
.....................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 10.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 900 AM  
LOWEST 89 1200 AM  
AVERAGE 93  
     
.....................................................
 
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 64 1997  
MINIMUM TEMPERATURE (F) 15 -14 1884  
 
SUNRISE AND SUNSET  
JANUARY 3 2005.......SUNRISE 720 AM CST SUNSET 432 PM CST  
JANUARY 4 2005.......SUNRISE 720 AM CST SUNSET 433 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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