Climatological Report (Daily)
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000
CDUS43 KLOT 102234
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CST TUE JAN 10 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR JANUARY 10 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         51    254 PM  60    1975  31     20       23
  MINIMUM         33   1216 AM -26    1982  17     16        2
  AVERAGE         42                        24     18       13

PRECIPITATION (IN)
  TODAY            0.20          2.29 1975   0.06   0.14      T
  MONTH TO DATE    0.33                      0.62  -0.29     0.47
  SINCE DEC 1      2.10                      2.87  -0.77     5.34
  SINCE JAN 1      0.33                      0.62  -0.29     0.47

SNOWFALL (IN)
  TODAY            0.0           8.4  2009   0.3   -0.3       T
  MONTH TO DATE    0.2                       3.3   -3.1      1.7
  SINCE DEC 1     17.9                      11.5    6.4      6.2
  SINCE JUL 1     17.9                      12.9    5.0     17.4

DEGREE DAYS
 HEATING
  TODAY           23                        41    -18       52
  MONTH TO DATE  445                       410     35      370
  SINCE DEC 1   1676                      1565    111     1170
  SINCE JUL 1   2505                      2821   -316     2143

 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    40   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    56   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED    23.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  RAIN
  LIGHT RAIN
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89          1000 AM
 LOWEST     69          1200 AM
 AVERAGE    79

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


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 2017.......SUNRISE   719 AM CST   SUNSET   440 PM CST
JANUARY 11 2017.......SUNRISE   718 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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