Climatological Report (Daily)
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CDUS43 KLOT 060648
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1248 AM CST FRI JAN 6 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 5 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         13    252 PM  56    1890  31    -18       33
  MINIMUM          3   1159 PM -18    1884  17    -14       17
  AVERAGE          8                        24    -16       25

PRECIPITATION (IN)
  YESTERDAY        T             0.80 1929   0.06  -0.06     0.00
  MONTH TO DATE    0.11                      0.31  -0.20      T
  SINCE DEC 1      1.88                      2.56  -0.68     4.87
  SINCE JAN 1      0.11                      0.31  -0.20      T

SNOWFALL (IN)
  YESTERDAY        T             8.7  2014   0.3   -0.3      0.0
  MONTH TO DATE    T                         1.6   -1.6       T
  SINCE DEC 1     17.7                       9.8    7.9      4.5
  SINCE JUL 1     17.7                      11.2    6.5     15.7
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       57                        41     16       40
  MONTH TO DATE  213                       205      8      196
  SINCE DEC 1   1444                      1360     84      996
  SINCE JUL 1   2273                      2616   -343     1969

 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    20   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    12.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    69          1200 AM
 LOWEST     53           100 PM
 AVERAGE    61

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        60      2008
 MINIMUM TEMPERATURE (F)   17       -16      2014


SUNRISE AND SUNSET
JANUARY  6 2017.......SUNRISE   720 AM CST   SUNSET   436 PM CST
JANUARY  7 2017.......SUNRISE   719 AM CST   SUNSET   437 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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