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CDUS43 KLOT 092143
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
442 PM CDT THU MAY 9 2013


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MAY 9 2013...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         75    116 PM  94    1934  68      7       60
  MINIMUM         53    407 AM  27    1983  46      7       47
  AVERAGE         64                        57      7       54

PRECIPITATION (IN)
  TODAY            0.02          3.14 1990   0.12  -0.10     0.06
  MONTH TO DATE    0.20                      1.04  -0.84     3.04
  SINCE MAR 1     10.88                      6.92   3.96     7.37
  SINCE JAN 1     17.47                     10.44   7.03    10.87

SNOWFALL (IN)
  TODAY            0.0           0.1  1923   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0       T
  SINCE MAR 1     10.5                       6.8    3.7      0.3
  SINCE JUL 1     30.1                      36.3   -6.2     19.8

DEGREE DAYS
 HEATING
  TODAY            1                         9     -8       11
  MONTH TO DATE   57                        89    -32       44
  SINCE MAR 1   1593                      1422    171      861
  SINCE JUL 1   5995                      6156   -161     4834

 COOLING
  TODAY            0                         1     -1        0
  MONTH TO DATE    5                         7     -2       15
  SINCE MAR 1     13                        17     -4       58
  SINCE JAN 1     13                        17     -4       58
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     1.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    72           300 AM
 LOWEST     46          1200 PM
 AVERAGE    59

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        90      2011
 MINIMUM TEMPERATURE (F)   47        28      1983


SUNRISE AND SUNSET
MAY  9 2013...........SUNRISE   537 AM CDT   SUNSET   759 PM CDT
MAY 10 2013...........SUNRISE   536 AM CDT   SUNSET   800 PM CDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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