Climatological Report (Daily)
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000
CDUS43 KLOT 032239
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
439 PM CST TUE JAN 3 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR JANUARY 3 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         39   1218 PM  60    1950  31      8       29
                                      1874
  MINIMUM         37    359 PM -18    1879  17     20       22
  AVERAGE         38                        24     14       26

PRECIPITATION (IN)
  TODAY            T             1.24 1897   0.06  -0.06      T
  MONTH TO DATE    0.11                      0.19  -0.08      T
  SINCE DEC 1      1.88                      2.44  -0.56     4.87
  SINCE JAN 1      0.11                      0.19  -0.08      T

SNOWFALL (IN)
  TODAY            0.0           7.1  1971   0.4   -0.4       T
  MONTH TO DATE    0.0                       1.0   -1.0       T
  SINCE DEC 1     17.7                       9.2    8.5      4.5
  SINCE JUL 1     17.7                      10.6    7.1     15.7

DEGREE DAYS
 HEATING
  TODAY           27                        41    -14       39
  MONTH TO DATE   95                       123    -28      118
  SINCE DEC 1   1326                      1278     48      918
  SINCE JUL 1   2155                      2534   -379     1891

 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    17   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     5.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           300 AM
 LOWEST     85           400 PM
 AVERAGE    93

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        64      1997
 MINIMUM TEMPERATURE (F)   17       -14      1884


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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