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CDUS43 KLOT 090633
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT THU MAY 9 2013


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...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 8 2013...

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)
 YESTERDAY
  MAXIMUM         79    153 PM  91    1963  68     11       70
  MINIMUM         48    440 AM  29    1983  46      2       52
  AVERAGE         64                        57      7       61

PRECIPITATION (IN)
  YESTERDAY        0.00          1.26 1880   0.11  -0.11     0.00
  MONTH TO DATE    0.18                      0.92  -0.74     2.98
  SINCE MAR 1     10.86                      6.80   4.06     7.31
  SINCE JAN 1     17.45                     10.32   7.13    10.81

SNOWFALL (IN)
  YESTERDAY        0.0           0.5  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
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        1                         9     -8        4
  MONTH TO DATE   56                        80    -24       33
  SINCE MAR 1   1592                      1413    179      850
  SINCE JUL 1   5994                      6147   -153     4823

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE    5                         6     -1       15
  SINCE MAR 1     13                        16     -3       58
  SINCE JAN 1     13                        16     -3       58
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NE (60)
  AVERAGE WIND SPEED     5.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    80           500 AM
 LOWEST     25           500 PM
 AVERAGE    53

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        94      1934
 MINIMUM TEMPERATURE (F)   46        27      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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