Climatological Report (Daily)
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000
CDUS43 KLOT 102236
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CST SAT FEB 10 2018


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR FEBRUARY 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         22    359 PM  63    1876  34    -12       41
  MINIMUM         14    720 AM -18    1899  19     -5       18
  AVERAGE         18                        26     -8       30

PRECIPITATION (IN)
  TODAY            0.03          0.96 1960   0.06  -0.03     0.00
  MONTH TO DATE    1.21                      0.53   0.68     0.47
  SINCE DEC 1      3.34                      4.51  -1.17     5.11
  SINCE JAN 1      2.75                      2.26   0.49     3.34

SNOWFALL (IN)
  TODAY            0.4           9.7  1981   0.3    0.1      0.0
  MONTH TO DATE   14.2                       3.5   10.7       T
  SINCE DEC 1     24.1                      22.5    1.6     18.3
  SINCE JUL 1     24.2                      23.9    0.3     18.3

DEGREE DAYS
 HEATING
  TODAY           47                        39      8       35
  MONTH TO DATE  476                       398     78      373
  SINCE DEC 1   2886                      2832     54     2721
  SINCE JUL 1   3929                      4088   -159     3550

 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    17   HIGHEST WIND DIRECTION     N (350)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     N (350)
  AVERAGE WIND SPEED    10.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    80          1000 AM
 LOWEST     54           400 AM
 AVERAGE    67

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        70      1999
 MINIMUM TEMPERATURE (F)   19       -14      1885


SUNRISE AND SUNSET
FEBRUARY 10 2018......SUNRISE   654 AM CST   SUNSET   518 PM CST
FEBRUARY 11 2018......SUNRISE   653 AM CST   SUNSET   520 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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