Climatological Report (Daily)
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CDUS43 KLOT 012134
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CDT WED MAY 1 2013


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MAY 1 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         84    256 PM  90    1951  65     19       65
  MINIMUM         61    541 AM  30    1943  44     17       49
  AVERAGE         73                        54     19       57

PRECIPITATION (IN)
  TODAY            0.00          2.35 1873   0.11  -0.11     0.09
  MONTH TO DATE    0.00                      0.11  -0.11     0.09
  SINCE MAR 1     10.68                      5.99   4.69     4.42
  SINCE JAN 1     17.27                      9.51   7.76     7.92

SNOWFALL (IN)
  TODAY            0.0           1.6  1940   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  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            0                        11    -11        8
  MONTH TO DATE    0                        11    -11        8
  SINCE MAR 1   1536                      1344    192      825
  SINCE JUL 1   5938                      6078   -140     4798

 COOLING
  TODAY            8                         0      8        0
  MONTH TO DATE    8                         0      8        0
  SINCE MAR 1     16                        10      6       43
  SINCE JAN 1     16                        10      6       43
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     9.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84           600 AM
 LOWEST     34           300 PM
 AVERAGE    59

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   66        91      1959
 MINIMUM TEMPERATURE (F)   44        27      1875


SUNRISE AND SUNSET
MAY  1 2013...........SUNRISE   547 AM CDT   SUNSET   751 PM CDT
MAY  2 2013...........SUNRISE   546 AM CDT   SUNSET   752 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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