180
CDUS43 KLOT 232234
CLICHI
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CST THU DEC 23 2004
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 23 2004...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 18 240 PM 62 1982 32 -14 37
MINIMUM 8 804 AM -21 1983 18 -10 26
AVERAGE 13 25 -12 32
PRECIPITATION (IN)
TODAY 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)
TODAY MM
DEGREE DAYS
HEATING
TODAY 52 39 13 33
MONTH TO DATE 800 825 -25 773
SINCE DEC 1 800 825 -25 773
SINCE JUL 1 1859 2112 -253 1981
COOLING
TODAY 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 16.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 69 700 AM
LOWEST 43 200 PM
AVERAGE 56
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 32 64 1889
MINIMUM TEMPERATURE (F) 18 -25 1983
SUNRISE AND SUNSET
DECEMBER 23 2004......SUNRISE 717 AM CST SUNSET 425 PM CST
DECEMBER 24 2004......SUNRISE 718 AM CST SUNSET 425 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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