Climatological Report (Daily)
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000
CDUS43 KLOT 202247
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
437 PM CST FRI FEB 20 2015

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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR FEBRUARY 20 2015...
VALID TODAY AS OF 0400 PM LOCAL TIME. SNOWFALL IS THROUGH 12 NOON.

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         15    359 PM  64    1930  37    -22       49
  MINIMUM         -7    514 AM  -9    1896  22    -29       34
  AVERAGE          4                        29    -25       42

PRECIPITATION (IN)
  TODAY            0.01          1.16 2014   0.07  -0.06     1.16
  MONTH TO DATE    1.08                      1.18  -0.10     2.48
  SINCE DEC 1      3.28                      5.16  -1.88     7.24
  SINCE JAN 1      2.49                      2.91  -0.42     5.30

SNOWFALL (IN)
  TODAY            T             2.8  1989   0.3   -0.3      0.1
  MONTH TO DATE   20.4                       6.8   13.6     19.2
  SINCE DEC 1     34.3                      26.1    8.2     67.1
  SINCE JUL 1     37.2                      27.5    9.7     68.0

DEGREE DAYS
 HEATING
  TODAY           61                        36     25       23
  MONTH TO DATE  988                       770    218      961
  SINCE DEC 1   3320                      3204    116     3765
  SINCE JUL 1   4763                      4460    303     5048

 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    24   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED    11.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    76           100 PM
 LOWEST     58          1200 AM
 AVERAGE    67

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

THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   37        67      1930
 MINIMUM TEMPERATURE (F)   22       -11      1873


SUNRISE AND SUNSET
FEBRUARY 20 2015......SUNRISE   641 AM CST   SUNSET   530 PM CST
FEBRUARY 21 2015......SUNRISE   639 AM CST   SUNSET   532 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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