Climatological Report (Daily)
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CDUS43 KLOT 172244
CLIMDW


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
443 PM CST WED DEC 17 2014


...................................

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR DECEMBER 17 2014...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1928 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE
                VALUE   (LST)  VALUE       VALUE  FROM
                                                  NORMAL
...............................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         32   1216 AM  60    1977  35     -3
  MINIMUM         26    857 AM  -7    1951  22      4
  AVERAGE         29                        28      1

PRECIPITATION (IN)
  TODAY            T             0.44 1928   0.08  -0.08
  MONTH TO DATE    0.26                      1.52  -1.26
  SINCE DEC 1      0.26                      1.52  -1.26
  SINCE JAN 1     41.18                     38.04   3.14

DEGREE DAYS
 HEATING
  TODAY           36                        37     -1
  MONTH TO DATE  498                       580    -82
  SINCE DEC 1    498                       580    -82
  SINCE JUL 1   1755                      1715     40

 COOLING
  TODAY            0                         0      0
  MONTH TO DATE    0                         0      0
  SINCE DEC 1      0                         0      0
  SINCE JAN 1   1066                      1045     21
...............................................................


WIND (MPH)
  RESULTANT WIND SPEED  12   RESULTANT WIND DIRECTION   W (290)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED    12.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT SNOW


..........................................................


THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        59      1939
 MINIMUM TEMPERATURE (F)   22        -9      1983


SUNRISE AND SUNSET
DECEMBER 17 2014......SUNRISE   713 AM CST   SUNSET   422 PM CST
DECEMBER 18 2014......SUNRISE   713 AM CST   SUNSET   422 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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