Climatological Report (Daily)
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CDUS43 KLOT 162232
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
432 PM CST FRI FEB 16 2018


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR FEBRUARY 16 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         37   1206 AM  58    1921  36      1       41
  MINIMUM         32    359 PM -10    1885  20     12       30
  AVERAGE         35                        28      7       36

PRECIPITATION (IN)
  TODAY            0.00          1.94 1883   0.07  -0.07     0.00
  MONTH TO DATE    1.62                      0.91   0.71     0.47
  SINCE DEC 1      3.75                      4.89  -1.14     5.11
  SINCE JAN 1      3.16                      2.64   0.52     3.34

SNOWFALL (IN)
  TODAY            0.0           6.0  1997   0.3   -0.3      0.0
  MONTH TO DATE   18.3                       5.5   12.8       T
  SINCE DEC 1     28.2                      24.5    3.7     18.3
  SINCE JUL 1     28.3                      25.9    2.4     18.3

DEGREE DAYS
 HEATING
  TODAY           30                        37     -7       29
  MONTH TO DATE  700                       625     75      539
  SINCE DEC 1   3110                      3059     51     2887
  SINCE JUL 1   4153                      4315   -162     3716

 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    20   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED    12.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82           100 AM
 LOWEST     39           400 PM
 AVERAGE    61

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   36        67      2017
 MINIMUM TEMPERATURE (F)   21       -11      1903


SUNRISE AND SUNSET
FEBRUARY 16 2018......SUNRISE   646 AM CST   SUNSET   526 PM CST
FEBRUARY 17 2018......SUNRISE   645 AM CST   SUNSET   527 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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