412  
CDUS43 KLOT 122248  
CLICHI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
437 PM CST WED JAN 12 2005  
      
...................
 
 
   
THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 12 2005...
 
VALID TODAY AS OF 0400 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 61 359 PM 62 1890 29 32 39  
MINIMUM 34 443 AM -14 1918 14 20 30  
AVERAGE 48 22 26 35  
 
PRECIPITATION (IN)  
TODAY 0.33 2.76 1960 0.06 0.27 T  
MONTH TO DATE 1.83 0.72 1.11 0.49  
SINCE DEC 1 2.98 3.15 -0.17 2.31  
SINCE JAN 1 1.83 0.72 1.11 0.49  
 
SNOWFALL (IN)  
TODAY 0.0  
 
DEGREE DAYS  
HEATING  
TODAY 17 43 -26 30  
MONTH TO DATE 400 512 -112 454  
SINCE DEC 1 1513 1663 -150 1479  
SINCE JUL 1 2572 2950 -378 2687  
 
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 20 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 8.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 600 AM  
LOWEST 84 300 PM  
AVERAGE 92      
................................................
 
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 58 1932  
MINIMUM TEMPERATURE (F) 14 -9 1929  
1888  
 
SUNRISE AND SUNSET  
JANUARY 12 2005.......SUNRISE 718 AM CST SUNSET 442 PM CST  
JANUARY 13 2005.......SUNRISE 718 AM CST SUNSET 443 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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