Climatological Report (Daily)
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793
CDUS43 KLOT 092237
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
436 PM CST MON JAN 9 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR JANUARY 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         28    359 PM  60    1880  31     -3       40
  MINIMUM         19    127 AM -20    1875  17      2       23
  AVERAGE         24                        24      0       32

PRECIPITATION (IN)
  TODAY            0.00          0.76 1946   0.06  -0.06     0.27
  MONTH TO DATE    0.11                      0.56  -0.45     0.47
  SINCE DEC 1      1.88                      2.81  -0.93     5.34
  SINCE JAN 1      0.11                      0.56  -0.45     0.47

SNOWFALL (IN)
  TODAY            0.0           6.8  1977   0.4   -0.4      1.7
  MONTH TO DATE    T                         3.0   -3.0      1.7
  SINCE DEC 1     17.7                      11.2    6.5      6.2
  SINCE JUL 1     17.7                      12.6    5.1     17.4

DEGREE DAYS
 HEATING
  TODAY           41                        41      0       33
  MONTH TO DATE  424                       369     55      318
  SINCE DEC 1   1655                      1524    131     1118
  SINCE JUL 1   2484                      2780   -296     2091

 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    22   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED    12.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    77           800 AM
 LOWEST     49          1200 AM
 AVERAGE    63

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        60      1975
 MINIMUM TEMPERATURE (F)   17       -26      1982


SUNRISE AND SUNSET
JANUARY  9 2017.......SUNRISE   719 AM CST   SUNSET   439 PM CST
JANUARY 10 2017.......SUNRISE   719 AM CST   SUNSET   440 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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