Climatological Report (Daily)
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000
CDUS43 KLOT 290640
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
140 AM CDT WED APR 29 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 28 2015...

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)
 YESTERDAY
  MAXIMUM         58    114 PM  86    1915  64     -6       55
  MINIMUM         35    503 AM  28    1992  43     -8       45
  AVERAGE         47                        54     -7       50

PRECIPITATION (IN)
  YESTERDAY        0.00          2.04 1981   0.12  -0.12     0.61
  MONTH TO DATE    2.87                      3.14  -0.27     2.22
  SINCE MAR 1      3.97                      5.64  -1.67     3.93
  SINCE JAN 1      6.83                      9.16  -2.33     9.23

SNOWFALL (IN)
  YESTERDAY        0.0           T    2008   0.0    0.0      0.0
                                      1950
                                      1961
  MONTH TO DATE    T                         1.2   -1.2      1.4
  SINCE MAR 1      7.1                       6.8    0.3     13.7
  SINCE JUL 1     50.7                      36.6   14.1     82.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       18                        12      6       15
  MONTH TO DATE  425                       470    -45      459
  SINCE MAR 1   1335                      1311     24     1484
  SINCE JUL 1   6515                      6045    470     6899

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


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     E (70)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED     4.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85           200 AM
 LOWEST     46           500 PM
 AVERAGE    66

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   64        88      1970
                                             1899
 MINIMUM TEMPERATURE (F)   43        31      2008
                                             1958


SUNRISE AND SUNSET
APRIL 29 2015.........SUNRISE   551 AM CDT   SUNSET   748 PM CDT
APRIL 30 2015.........SUNRISE   549 AM CDT   SUNSET   749 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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