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CDUS43 KLOT 032147
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
443 PM CDT FRI MAY 3 2013


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MAY 3 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         47   1158 AM  92    1955  66    -19       86
  MINIMUM         40    609 AM  30    2004  45     -5       66
  AVERAGE         44                        55    -11       76

PRECIPITATION (IN)
  TODAY            0.05          1.59 1919   0.12  -0.07     1.34
  MONTH TO DATE    0.16                      0.35  -0.19     1.43
  SINCE MAR 1     10.84                      6.23   4.61     5.76
  SINCE JAN 1     17.43                      9.75   7.68     9.26

SNOWFALL (IN)
  TODAY            0.0           1.3  1907   0.0    0.0       T
  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           21                        10     11        0
  MONTH TO DATE   37                        32      5        8
  SINCE MAR 1   1573                      1365    208      825
  SINCE JUL 1   5975                      6099   -124     4798

 COOLING
  TODAY            0                         1     -1       11
  MONTH TO DATE    5                         1      4       15
  SINCE MAR 1     13                        11      2       58
  SINCE JAN 1     13                        11      2       58
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    NE (40)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED    13.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           700 AM
 LOWEST     82          1200 AM
 AVERAGE    88

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   66        92      1952
 MINIMUM TEMPERATURE (F)   45        32      1954


SUNRISE AND SUNSET
MAY  3 2013...........SUNRISE   545 AM CDT   SUNSET   753 PM CDT
MAY  4 2013...........SUNRISE   543 AM CDT   SUNSET   754 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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