Climatological Report (Daily)
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CDUS43 KLOT 070634
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT TUE MAY 7 2013


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 6 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         71   1235 PM  91    1949  67      4       70
  MINIMUM         50   1102 PM  30    1992  45      5       51
  AVERAGE         61                        56      5       61

PRECIPITATION (IN)
  YESTERDAY        T             1.41 1941   0.11  -0.11     0.80
  MONTH TO DATE    0.18                      0.69  -0.51     2.51
  SINCE MAR 1     10.86                      6.57   4.29     6.84
  SINCE JAN 1     17.45                     10.09   7.36    10.34

SNOWFALL (IN)
  YESTERDAY        0.0           0.5  1989   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        4                        10     -6        4
  MONTH TO DATE   52                        62    -10       22
  SINCE MAR 1   1588                      1395    193      839
  SINCE JUL 1   5990                      6129   -139     4812

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE    5                         4      1       15
  SINCE MAR 1     13                        14     -1       58
  SINCE JAN 1     13                        14     -1       58
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED     8.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    64           500 AM
 LOWEST     32           400 PM
 AVERAGE    48

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   67        87      1964
                                             1936
 MINIMUM TEMPERATURE (F)   46        29      1989


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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