Climatological Report (Daily)
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405
CDUS43 KLOT 132238
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
437 PM CST FRI JAN 13 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR JANUARY 13 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         22    359 PM  58    1932  31     -9       25
  MINIMUM         16    821 AM  -9    1929  16      0       -2
                                      1888
  AVERAGE         19                        24     -5       12

PRECIPITATION (IN)
  TODAY            0.00          1.37 1950   0.05  -0.05      T
  MONTH TO DATE    0.71                      0.79  -0.08     0.59
  SINCE DEC 1      2.48                      3.04  -0.56     5.46
  SINCE JAN 1      0.71                      0.79  -0.08     0.59

SNOWFALL (IN)
  TODAY            0.0          16.5  1979   0.3   -0.3      0.1
  MONTH TO DATE    0.4                       4.3   -3.9      5.0
  SINCE DEC 1     18.1                      12.5    5.6      9.5
  SINCE JUL 1     18.1                      13.9    4.2     20.7

DEGREE DAYS
 HEATING
  TODAY           46                        41      5       53
  MONTH TO DATE  567                       533     34      529
  SINCE DEC 1   1798                      1688    110     1329
  SINCE JUL 1   2627                      2944   -317     2302

 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    15   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED     9.5


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    84           400 PM
 LOWEST     56          1200 AM
 AVERAGE    70

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        60      1928
 MINIMUM TEMPERATURE (F)   16       -14      1979


SUNRISE AND SUNSET
JANUARY 13 2017.......SUNRISE   718 AM CST   SUNSET   443 PM CST
JANUARY 14 2017.......SUNRISE   717 AM CST   SUNSET   445 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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