Climatological Report (Daily)
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CDUS43 KLOT 232135
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT THU OCT 23 2014


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR OCTOBER 23 2014...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         59    149 PM  85    1963  60     -1       46
  MINIMUM         36    640 AM  20    1981  41     -5       32
  AVERAGE         48                        50     -2       39

PRECIPITATION (IN)
  TODAY            0.00          1.40 1957   0.10  -0.10      T
  MONTH TO DATE    2.45                      2.31   0.14     1.53
  SINCE SEP 1      5.16                      5.52  -0.36     4.10
  SINCE JAN 1     37.24                     30.65   6.59    36.47

SNOWFALL (IN)
  TODAY            0.0           0.7  1929   0.0    0.0      0.0
  MONTH TO DATE    T                         0.1   -0.1       T
  SINCE SEP 1      T                         0.1   -0.1       T
  SINCE JUL 1      T                         0.1   -0.1       T

DEGREE DAYS
 HEATING
  TODAY           17                        15      2       26
  MONTH TO DATE  296                       265     31      233
  SINCE SEP 1    402                       370     32      301
  SINCE JUL 1    407                       383     24      312

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    3                        10     -7       25
  SINCE SEP 1     84                       102    -18      168
  SINCE JAN 1    799                       842    -43      933
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     7.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           500 AM
 LOWEST     51           100 PM
 AVERAGE    76

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   59        83      1963
 MINIMUM TEMPERATURE (F)   41        17      1981


SUNRISE AND SUNSET
OCTOBER 23 2014.......SUNRISE   713 AM CDT   SUNSET   558 PM CDT
OCTOBER 24 2014.......SUNRISE   715 AM CDT   SUNSET   556 PM CDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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