Climatological Report (Daily)
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CDUS43 KLOT 080637
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
136 AM CDT WED MAY 8 2013


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 7 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         75    454 PM  87    1964  67      8       64
                                      1936
  MINIMUM         48    500 AM  29    1989  46      2       52
  AVERAGE         62                        56      6       58

PRECIPITATION (IN)
  YESTERDAY        0.00          2.07 1998   0.12  -0.12     0.47
  MONTH TO DATE    0.18                      0.81  -0.63     2.98
  SINCE MAR 1     10.86                      6.69   4.17     7.31
  SINCE JAN 1     17.45                     10.21   7.24    10.81

SNOWFALL (IN)
  YESTERDAY        0.0           T    1947   0.0    0.0      0.0
                                      1960
                                      1989
  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        3                         9     -6        7
  MONTH TO DATE   55                        71    -16       29
  SINCE MAR 1   1591                      1404    187      846
  SINCE JUL 1   5993                      6138   -145     4819

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE    5                         5      0       15
  SINCE MAR 1     13                        15     -2       58
  SINCE JAN 1     13                        15     -2       58
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     E (70)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     E (70)
  AVERAGE WIND SPEED     5.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    71           500 AM
 LOWEST     31           200 PM
 AVERAGE    51

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        91      1963
 MINIMUM TEMPERATURE (F)   46        29      1983


SUNRISE AND SUNSET
MAY  8 2013...........SUNRISE   539 AM CDT   SUNSET   758 PM CDT
MAY  9 2013...........SUNRISE   537 AM CDT   SUNSET   759 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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