Climatological Report (Daily)
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000
CDUS43 KLOT 072148
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
443 PM CDT TUE MAY 7 2013


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MAY 7 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    259 PM  87    1964  67      8       64
                                      1936
  MINIMUM         48    500 AM  29    1989  46      2       52
  AVERAGE         62                        56      6       58

PRECIPITATION (IN)
  TODAY            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)
  TODAY            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

DEGREE DAYS
 HEATING
  TODAY            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
  TODAY            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 (100)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     E (70)
  AVERAGE WIND SPEED     5.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


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

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


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


SUNRISE AND SUNSET
MAY  7 2013...........SUNRISE   540 AM CDT   SUNSET   757 PM CDT
MAY  8 2013...........SUNRISE   539 AM CDT   SUNSET   758 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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