Climatological Report (Daily)
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000
CDUS43 KLOT 102240
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
438 PM CST WED JAN 10 2018


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR JANUARY 10 2018...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         47    359 PM  60    1975  31     16       51
  MINIMUM         30   1215 AM -26    1982  17     13       25
  AVERAGE         39                        24     15       38

PRECIPITATION (IN)
  TODAY            0.01          2.29 1975   0.06  -0.05     0.20
  MONTH TO DATE    0.04                      0.62  -0.58     0.33
  SINCE DEC 1      0.63                      2.87  -2.24     2.10
  SINCE JAN 1      0.04                      0.62  -0.58     0.33

SNOWFALL (IN)
  TODAY            0.0           8.4  2009   0.3   -0.3      0.0
  MONTH TO DATE    0.1                       3.3   -3.2      0.2
  SINCE DEC 1      5.4                      11.5   -6.1     17.9
  SINCE JUL 1      5.5                      12.9   -7.4     17.9

DEGREE DAYS
 HEATING
  TODAY           26                        41    -15       27
  MONTH TO DATE  498                       410     88      449
  SINCE DEC 1   1663                      1565     98     1680
  SINCE JUL 1   2706                      2821   -115     2509

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED    12.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN
  LT FREEZING RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           300 AM
 LOWEST     85          1200 AM
 AVERAGE    91

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        61      1880
 MINIMUM TEMPERATURE (F)   16       -11      1977
                                             1888
                                             1887


SUNRISE AND SUNSET
JANUARY 10 2018.......SUNRISE   719 AM CST   SUNSET   440 PM CST
JANUARY 11 2018.......SUNRISE   719 AM CST   SUNSET   441 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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