...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 17 2013...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 33 400 PM 60 1977 34 -1 40
MINIMUM 16 102 AM -7 1951 20 -4 30
AVERAGE 25 27 -2 35
PRECIPITATION (IN)
YESTERDAY 0.01 1.28 1921 0.06 -0.05 0.00
MONTH TO DATE 0.70 1.39 -0.69 0.84
SINCE DEC 1 0.70 1.39 -0.69 0.84
SINCE JAN 1 40.85 36.03 4.82 25.54
SNOWFALL (IN)
YESTERDAY 0.2 4.6 1951 0.3 -0.1 0.0
MONTH TO DATE 9.1 4.1 5.0 T
SINCE DEC 1 9.1 4.1 5.0 T
SINCE JUL 1 10.0 5.6 4.4 T
SNOW DEPTH 4
DEGREE DAYS
HEATING
YESTERDAY 40 38 2 30
MONTH TO DATE 712 602 110 403
SINCE DEC 1 712 602 110 403
SINCE JUL 1 1995 1858 137 1653
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 933 843 90 1324
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 13.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 300 AM
LOWEST 54 500 PM
AVERAGE 73
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 34 62 1877
MINIMUM TEMPERATURE (F) 20 -11 1983
SUNRISE AND SUNSET
DECEMBER 18 2013......SUNRISE 715 AM CST SUNSET 422 PM CST
DECEMBER 19 2013......SUNRISE 715 AM CST SUNSET 423 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
000
CDUS43 KLOT 180654
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1253 AM CST WED DEC 18 2013
CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...
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