Climatological Report (Daily)
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CDUS43 KLOT 112139
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
432 PM CDT FRI APR 11 2014


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR APRIL 11 2014...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         70    230 PM  90    1930  57     13       46
  MINIMUM         37    542 AM  25    1989  37      0       38
                                      1973
                                      1882
  AVERAGE         54                        47      7       42

PRECIPITATION (IN)
  TODAY            0.00          2.41 1871   0.12  -0.12     0.24
  MONTH TO DATE    0.55                      1.19  -0.64     1.91
  SINCE MAR 1      2.26                      3.69  -1.43     3.91
  SINCE JAN 1      7.56                      7.21   0.35    10.50

SNOWFALL (IN)
  TODAY            0.0           3.0  2007   0.1   -0.1      0.0
  MONTH TO DATE    0.0                       0.8   -0.8       T
  SINCE MAR 1     12.3                       6.4    5.9     10.4
  SINCE JUL 1     80.6                      36.0   44.6     30.0

DEGREE DAYS
 HEATING
  TODAY           11                        18     -7       23
  MONTH TO DATE  214                       217     -3      242
  SINCE MAR 1   1239                      1058    181     1236
  SINCE JUL 1   6654                      5792    862     5638

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE MAR 1      0                         1     -1        0
  SINCE JAN 1      0                         1     -1        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     6.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    54           400 AM
 LOWEST     16          1200 PM
 AVERAGE    35

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   58        86      1977
                                             1971
 MINIMUM TEMPERATURE (F)   38        21      1957
                                             1939


SUNRISE AND SUNSET
APRIL 11 2014.........SUNRISE   618 AM CDT   SUNSET   728 PM CDT
APRIL 12 2014.........SUNRISE   616 AM CDT   SUNSET   729 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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