Climatological Report (Daily)
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000
CDUS43 KLOT 192252
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
451 PM CST FRI JAN 19 2018


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR JANUARY 19 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         40    343 PM  57    1933  31      9       42
  MINIMUM         28    443 AM -23    1985  16     12       30
  AVERAGE         34                        23     11       36

PRECIPITATION (IN)
  TODAY            0.00          1.72 1907   0.05  -0.05     0.46
  MONTH TO DATE    0.63                      1.12  -0.49     2.55
  SINCE DEC 1      1.22                      3.37  -2.15     4.32
  SINCE JAN 1      0.63                      1.12  -0.49     2.55

SNOWFALL (IN)
  TODAY            0.0           8.8  1963   0.3   -0.3      0.0
  MONTH TO DATE    3.8                       6.4   -2.6      0.4
  SINCE DEC 1      9.1                      14.6   -5.5     18.1
  SINCE JUL 1      9.2                      16.0   -6.8     18.1

DEGREE DAYS
 HEATING
  TODAY           31                        42    -11       29
  MONTH TO DATE  890                       784    106      758
  SINCE DEC 1   2055                      1939    116     1989
  SINCE JUL 1   3098                      3195    -97     2818

 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    24   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED    15.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    69          1200 AM
 LOWEST     52           100 PM
 AVERAGE    61

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        63      1906
 MINIMUM TEMPERATURE (F)   16       -27      1985


SUNRISE AND SUNSET
JANUARY 19 2018.......SUNRISE   715 AM CST   SUNSET   450 PM CST
JANUARY 20 2018.......SUNRISE   714 AM CST   SUNSET   451 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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