Climatological Report (Daily)
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CDUS43 KLOT 030632
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1231 AM CST TUE JAN 3 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 2 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         40   1247 PM  61    2004  31      9       32
  MINIMUM         25    232 AM -16    1879  17      8       20
  AVERAGE         33                        24      9       26

PRECIPITATION (IN)
  YESTERDAY        0.11          1.24 1999   0.07   0.04     0.00
  MONTH TO DATE    0.11                      0.13  -0.02      T
  SINCE DEC 1      1.88                      2.38  -0.50     4.87
  SINCE JAN 1      0.11                      0.13  -0.02      T

SNOWFALL (IN)
  YESTERDAY        0.0          18.6  1999   0.3   -0.3      0.0
  MONTH TO DATE    0.0                       0.6   -0.6       T
  SINCE DEC 1     17.7                       8.8    8.9      4.5
  SINCE JUL 1     17.7                      10.2    7.5     15.7
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       32                        41     -9       39
  MONTH TO DATE   68                        82    -14       79
  SINCE DEC 1   1299                      1237     62      879
  SINCE JUL 1   2128                      2493   -365     1852

 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    15   HIGHEST WIND DIRECTION     E (70)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     E (70)
  AVERAGE WIND SPEED     6.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  RAIN
  LIGHT RAIN
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           600 PM
 LOWEST     76          1100 AM
 AVERAGE    88

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        60      1950
                                             1874
 MINIMUM TEMPERATURE (F)   17       -18      1879


SUNRISE AND SUNSET
JANUARY  3 2017.......SUNRISE   720 AM CST   SUNSET   433 PM CST
JANUARY  4 2017.......SUNRISE   720 AM CST   SUNSET   434 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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