Climatological Report (Daily)
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000
CDUS43 KLOT 112136
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT SAT APR 11 2015


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR APRIL 11 2015...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         61    255 PM  90    1930  57      4       70
  MINIMUM         38    522 AM  25    1989  37      1       37
                                      1973
                                      1882
  AVERAGE         50                        47      3       54

PRECIPITATION (IN)
  TODAY            0.00          2.41 1871   0.12  -0.12     0.00
  MONTH TO DATE    1.86                      1.19   0.67     0.55
  SINCE MAR 1      2.96                      3.69  -0.73     2.26
  SINCE JAN 1      5.82                      7.21  -1.39     7.56

SNOWFALL (IN)
  TODAY            0.0           3.0  2007   0.1   -0.1      0.0
  MONTH TO DATE    0.0                       0.8   -0.8      0.0
  SINCE MAR 1      7.1                       6.4    0.7     12.3
  SINCE JUL 1     50.7                      36.2   14.5     80.6

DEGREE DAYS
 HEATING
  TODAY           15                        18     -3       11
  MONTH TO DATE  175                       217    -42      214
  SINCE MAR 1   1085                      1058     27     1239
  SINCE JUL 1   6265                      5792    473     6654

 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    16   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     7.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82           300 AM
 LOWEST     32           300 PM
 AVERAGE    57

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


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 2015.........SUNRISE   618 AM CDT   SUNSET   728 PM CDT
APRIL 12 2015.........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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