Climatological Report (Daily)
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000
CDUS43 KLOT 202245
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
444 PM CST TUE JAN 20 2015


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR JANUARY 20 2015...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         36    151 PM  63    1906  31      5       35
  MINIMUM         29    618 AM -27    1985  16     13       13
  AVERAGE         33                        23     10       24

PRECIPITATION (IN)
  TODAY            0.00          1.13 1898   0.06  -0.06     0.18
  MONTH TO DATE    1.11                      1.18  -0.07     2.55
  SINCE DEC 1      1.90                      3.43  -1.53     4.49
  SINCE JAN 1      1.11                      1.18  -0.07     2.55

SNOWFALL (IN)
  TODAY            0.0           8.0  1886   0.4   -0.4      3.4
  MONTH TO DATE   10.8                       6.8    4.0     27.2
  SINCE DEC 1     10.8                      15.3   -4.5     41.4
  SINCE JUL 1     13.7                      16.7   -3.0     42.3

DEGREE DAYS
 HEATING
  TODAY           32                        42    -10       41
  MONTH TO DATE  916                       826     90      932
  SINCE DEC 1   1931                      1981    -50     2215
  SINCE JUL 1   3374                      3237    137     3498

 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    NE (40)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED     5.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           900 AM
 LOWEST     85           500 AM
 AVERAGE    91

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        62      1906
 MINIMUM TEMPERATURE (F)   16       -22      1984


SUNRISE AND SUNSET
JANUARY 20 2015.......SUNRISE   714 AM CST   SUNSET   451 PM CST
JANUARY 21 2015.......SUNRISE   714 AM CST   SUNSET   452 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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