Climatological Report (Daily)
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000
CDUS43 KLOT 142243
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
442 PM CST SUN JAN 14 2018


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR JANUARY 14 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         21    359 PM  60    1928  31    -10       35
  MINIMUM          5    740 AM -14    1979  16    -11       21
  AVERAGE         13                        24    -11       28

PRECIPITATION (IN)
  TODAY            T             1.10 1871   0.06  -0.06     0.00
  MONTH TO DATE    0.40                      0.85  -0.45     0.71
  SINCE DEC 1      0.99                      3.10  -2.11     2.48
  SINCE JAN 1      0.40                      0.85  -0.45     0.71

SNOWFALL (IN)
  TODAY            T             6.3  1929   0.3   -0.3      0.0
  MONTH TO DATE    0.1                       4.6   -4.5      0.4
  SINCE DEC 1      5.4                      12.8   -7.4     18.1
  SINCE JUL 1      5.5                      14.2   -8.7     18.1

DEGREE DAYS
 HEATING
  TODAY           52                        41     11       37
  MONTH TO DATE  670                       574     96      601
  SINCE DEC 1   1835                      1729    106     1832
  SINCE JUL 1   2878                      2985   -107     2661

 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    16   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     6.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83           600 AM
 LOWEST     41           300 PM
 AVERAGE    62

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        60      1949
 MINIMUM TEMPERATURE (F)   16       -19      1979


SUNRISE AND SUNSET
JANUARY 14 2018.......SUNRISE   717 AM CST   SUNSET   444 PM CST
JANUARY 15 2018.......SUNRISE   717 AM CST   SUNSET   445 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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