Climatological Report (Daily)
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000
CDUS43 KLOT 150637
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1236 AM CST THU JAN 15 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 14 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         19    424 PM  60    1928  31    -12       35
  MINIMUM          1    547 AM -14    1979  16    -15       22
  AVERAGE         10                        24    -14       29

PRECIPITATION (IN)
  YESTERDAY        T             1.10 1871   0.06  -0.06     0.01
  MONTH TO DATE    1.11                      0.85   0.26     2.20
  SINCE DEC 1      1.90                      3.10  -1.20     4.14
  SINCE JAN 1      1.11                      0.85   0.26     2.20

SNOWFALL (IN)
  YESTERDAY        T             6.3  1929   0.3   -0.3       T
  MONTH TO DATE   10.8                       4.6    6.2     19.9
  SINCE DEC 1     10.8                      13.1   -2.3     34.1
  SINCE JUL 1     13.7                      14.5   -0.8     35.0
  SNOW DEPTH       6

DEGREE DAYS
 HEATING
  YESTERDAY       55                        41     14       36
  MONTH TO DATE  715                       574    141      666
  SINCE DEC 1   1730                      1729      1     1949
  SINCE JUL 1   3173                      2985    188     3232

 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    14   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     6.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    91          1200 AM
 LOWEST     67           100 PM
 AVERAGE    79

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        60      1949
 MINIMUM TEMPERATURE (F)   16       -19      1979


SUNRISE AND SUNSET
JANUARY 15 2015.......SUNRISE   717 AM CST   SUNSET   445 PM CST
JANUARY 16 2015.......SUNRISE   717 AM CST   SUNSET   446 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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