644
CDUS43 KLOT 240636
CLICHI
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1235 AM CST FRI DEC 24 2004
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 23 2004...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1871 TO 2004
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 18 240 PM 62 1982 32 -14 37
MINIMUM 5 1159 PM -21 1983 18 -13 26
AVERAGE 12 25 -13 32
PRECIPITATION (IN)
YESTERDAY T 2.50 1871 0.07 -0.07 T
MONTH TO DATE 1.10 1.88 -0.78 1.67
SINCE DEC 1 1.10 1.88 -0.78 1.67
SINCE JAN 1 31.53 35.72 -4.19 31.87
SNOWFALL (IN)
YESTERDAY T
MONTH TO DATE 0.3
SINCE DEC 1 0.3
SINCE JUL 1 5.4
DEGREE DAYS
HEATING
YESTERDAY 53 39 14 33
MONTH TO DATE 801 825 -24 773
SINCE DEC 1 801 825 -24 773
SINCE JUL 1 1860 2112 -252 1981
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 615 830 -215 695
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 15.4
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 69 700 AM
LOWEST 43 200 PM
AVERAGE 56
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 32 64 1889
MINIMUM TEMPERATURE (F) 18 -25 1983
SUNRISE AND SUNSET
DECEMBER 24 2004......SUNRISE 718 AM CST SUNSET 425 PM CST
DECEMBER 25 2004......SUNRISE 718 AM CST SUNSET 426 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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