Climatological Report (Daily)
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110
CDUS43 KLOT 082136
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT FRI MAY 8 2015


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MAY 8 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         81    153 PM  91    1963  68     13       89
  MINIMUM         65    533 AM  29    1983  46     19       51
  AVERAGE         73                        57     16       70

PRECIPITATION (IN)
  TODAY            0.00          1.26 1880   0.11  -0.11     0.10
  MONTH TO DATE    1.41                      0.92   0.49     0.24
  SINCE MAR 1      5.38                      6.80  -1.42     4.79
  SINCE JAN 1      8.24                     10.32  -2.08    10.09

SNOWFALL (IN)
  TODAY            0.0           0.5  1923   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE MAR 1      7.1                       6.8    0.3     13.7
  SINCE JUL 1     50.7                      36.6   14.1     82.0

DEGREE DAYS
 HEATING
  TODAY            0                         9     -9        0
  MONTH TO DATE   30                        80    -50       87
  SINCE MAR 1   1400                      1413    -13     1600
  SINCE JUL 1   6580                      6147    433     7015

 COOLING
  TODAY            8                         1      7        5
  MONTH TO DATE   13                         6      7        5
  SINCE MAR 1     13                        16     -3        6
  SINCE JAN 1     13                        16     -3        6
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     8.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           500 AM
 LOWEST     51           200 PM
 AVERAGE    69

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        94      1934
 MINIMUM TEMPERATURE (F)   46        27      1983


SUNRISE AND SUNSET
MAY  8 2015...........SUNRISE   539 AM CDT   SUNSET   758 PM CDT
MAY  9 2015...........SUNRISE   538 AM CDT   SUNSET   759 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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