Climatological Report (Daily)
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000
CDUS43 KLOT 110646
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1244 AM CST SAT FEB 11 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 10 2017...

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)
 YESTERDAY
  MAXIMUM         41   1159 PM  63    1876  34      7       18
  MINIMUM         18    111 AM -18    1899  19     -1        9
  AVERAGE         30                        26      4       14

PRECIPITATION (IN)
  YESTERDAY        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)
  YESTERDAY        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
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       35                        39     -4       51
  MONTH TO DATE  373                       398    -25      360
  SINCE DEC 1   2721                      2832   -111     2399
  SINCE JUL 1   3550                      4088   -538     3372

 COOLING
  YESTERDAY        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    13.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    76           900 PM
 LOWEST     56          1200 AM
 AVERAGE    66

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


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


SUNRISE AND SUNSET
FEBRUARY 11 2017......SUNRISE   652 AM CST   SUNSET   520 PM CST
FEBRUARY 12 2017......SUNRISE   651 AM CST   SUNSET   521 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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