Climatological Report (Daily)
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000
CDUS43 KLOT 161144
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1233 AM CST FRI JAN 16 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 15 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         34    425 PM  60    1949  31      3       22
  MINIMUM         17    548 AM -19    1979  16      1       15
  AVERAGE         26                        24      2       19

PRECIPITATION (IN)
  YESTERDAY        0.00          0.81 1877   0.06  -0.06      T
  MONTH TO DATE    1.11                      0.91   0.20     2.20
  SINCE DEC 1      1.90                      3.16  -1.26     4.14
  SINCE JAN 1      1.11                      0.91   0.20     2.20

SNOWFALL (IN)
  YESTERDAY        0.0           4.2  1997   0.4   -0.4      0.1
  MONTH TO DATE   10.8                       5.0    5.8     20.0
  SINCE DEC 1     10.8                      13.5   -2.7     34.2
  SINCE JUL 1     13.7                      14.9   -1.2     35.1
  SNOW DEPTH       5

DEGREE DAYS
 HEATING
  YESTERDAY       39                        42     -3       46
  MONTH TO DATE  754                       616    138      712
  SINCE DEC 1   1769                      1771     -2     1995
  SINCE JUL 1   3212                      3027    185     3278

 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    21   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED    10.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.

  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    88          1100 PM
 LOWEST     61           200 PM
 AVERAGE    75

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        57      1990
 MINIMUM TEMPERATURE (F)   16       -25      1982


SUNRISE AND SUNSET
JANUARY 16 2015.......SUNRISE   717 AM CST   SUNSET   446 PM CST
JANUARY 17 2015.......SUNRISE   716 AM CST   SUNSET   448 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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