Climatological Report (Daily)
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000
CDUS43 KLOT 201147
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1252 AM CST FRI FEB 20 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 19 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          4    407 PM  65    1930  37    -33       44
  MINIMUM         -8R   705 AM  -7    1936  21    -29       30
  AVERAGE         -2                        29    -31       37

PRECIPITATION (IN)
  YESTERDAY        0.00          0.95 1994   0.07  -0.07     0.00
  MONTH TO DATE    1.07                      1.11  -0.04     1.32
  SINCE DEC 1      3.27                      5.09  -1.82     6.08
  SINCE JAN 1      2.48                      2.84  -0.36     4.14

SNOWFALL (IN)
  YESTERDAY        0.0           4.0  1898   0.3   -0.3      0.0
  MONTH TO DATE   20.4                       6.5   13.9     19.1
  SINCE DEC 1     34.3                      25.8    8.5     67.0
  SINCE JUL 1     37.2                      27.2   10.0     67.9
  SNOW DEPTH       5

DEGREE DAYS
 HEATING
  YESTERDAY       67                        36     31       28
  MONTH TO DATE  927                       734    193      938
  SINCE DEC 1   3259                      3168     91     3742
  SINCE JUL 1   4702                      4424    278     5025

 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    23   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED    11.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.

  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    65           500 AM
 LOWEST     44          1200 PM
 AVERAGE    55

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   37        64      1930
 MINIMUM TEMPERATURE (F)   22        -9      1896


SUNRISE AND SUNSET
FEBRUARY 20 2015......SUNRISE   641 AM CST   SUNSET   531 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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