Climatological Report (Daily)
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032
CDUS43 KLOT 092236
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
436 PM CST THU FEB 9 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR FEBRUARY 9 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         25    311 PM  56    1886  33     -8       21
  MINIMUM         13    746 AM -21    1899  18     -5       13
  AVERAGE         19                        26     -7       17

PRECIPITATION (IN)
  TODAY            0.00          1.56 1876   0.06  -0.06     0.02
  MONTH TO DATE    0.47                      0.47   0.00     0.85
  SINCE DEC 1      5.11                      4.45   0.66     6.56
  SINCE JAN 1      3.34                      2.20   1.14     1.69

SNOWFALL (IN)
  TODAY            0.0          12.6  2010   0.4   -0.4      0.6
  MONTH TO DATE    T                         3.2   -3.2      1.0
  SINCE DEC 1     18.3                      22.2   -3.9     11.8
  SINCE JUL 1     18.3                      23.6   -5.3     23.0

DEGREE DAYS
 HEATING
  TODAY           46                        39      7       48
  MONTH TO DATE  338                       359    -21      309
  SINCE DEC 1   2686                      2793   -107     2348
  SINCE JUL 1   3515                      4049   -534     3321

 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    21   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED    13.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    62          1200 AM
 LOWEST     39           200 PM
 AVERAGE    51

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        63      1876
 MINIMUM TEMPERATURE (F)   19       -18      1899


SUNRISE AND SUNSET
FEBRUARY  9 2017......SUNRISE   655 AM CST   SUNSET   517 PM CST
FEBRUARY 10 2017......SUNRISE   654 AM CST   SUNSET   518 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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