Climatological Report (Daily)
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619
CDUS43 KLOT 102238
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
437 PM CST FRI FEB 10 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR FEBRUARY 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         40    359 PM  63    1876  34      6       18
  MINIMUM         18    111 AM -18    1899  19     -1        9
  AVERAGE         29                        26      3       14

PRECIPITATION (IN)
  TODAY            0.00          0.96 1960   0.06  -0.06     0.00
  MONTH TO DATE    0.47                      0.53  -0.06     0.85
  SINCE DEC 1      5.11                      4.51   0.60     6.56
  SINCE JAN 1      3.34                      2.26   1.08     1.69

SNOWFALL (IN)
  TODAY            0.0           9.7  1981   0.3   -0.3      0.0
  MONTH TO DATE    T                         3.5   -3.5      1.0
  SINCE DEC 1     18.3                      22.5   -4.2     11.8
  SINCE JUL 1     18.3                      23.9   -5.6     23.0

DEGREE DAYS
 HEATING
  TODAY           36                        39     -3       51
  MONTH TO DATE  374                       398    -24      360
  SINCE DEC 1   2722                      2832   -110     2399
  SINCE JUL 1   3551                      4088   -537     3372

 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    26   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED    16.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    64           400 PM
 LOWEST     56          1200 AM
 AVERAGE    60

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


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 2017......SUNRISE   654 AM CST   SUNSET   519 PM CST
FEBRUARY 11 2017......SUNRISE   652 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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