769  
CDUS43 KLOT 150636  
CLICHI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1234 AM CST SAT JAN 15 2005  
      
...................
 
 
   
THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 14 2005...  
 
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)  
YESTERDAY  
MAXIMUM 15 1217 AM 60 1928 29 -14 36  
MINIMUM 4 854 AM -14 1979 14 -10 18  
AVERAGE 10 21 -11 27  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.10 1871 0.06 -0.06 T  
MONTH TO DATE 3.02 0.84 2.18 0.49  
SINCE DEC 1 4.17 3.27 0.90 2.31  
SINCE JAN 1 3.02 0.84 2.18 0.49  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 10.8  
SINCE DEC 1 11.4  
SINCE JUL 1 16.5  
 
DEGREE DAYS  
HEATING  
YESTERDAY 55 43 12 38  
MONTH TO DATE 489 598 -109 527  
SINCE DEC 1 1602 1749 -147 1552  
SINCE JUL 1 2661 3036 -375 2760  
 
COOLING  
YESTERDAY 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 23 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 10.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 63 200 AM  
LOWEST 46 1200 PM  
AVERAGE 55      
................................................
 
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 60 1949  
MINIMUM TEMPERATURE (F) 14 -19 1979  
 
SUNRISE AND SUNSET  
JANUARY 15 2005.......SUNRISE 717 AM CST SUNSET 446 PM CST  
JANUARY 16 2005.......SUNRISE 717 AM CST SUNSET 447 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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