Climatological Report (Daily)
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CDUS43 KLOT 312137
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
436 PM CDT THU JUL 31 2014


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR JULY 31 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         84    259 PM  99    2006  83      1       75
                                      1945
  MINIMUM         59    206 AM  51    1984  64     -5       62
  AVERAGE         72                        74     -2       69

PRECIPITATION (IN)
  TODAY            0.00          1.29 1888   0.15  -0.15     0.50
  MONTH TO DATE    2.14                      3.70  -1.56     2.22
  SINCE JUN 1      9.95                      7.15   2.80     8.45
  SINCE JAN 1     24.78                     20.23   4.55    30.68

SNOWFALL (IN)
  TODAY            0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE JUN 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0

DEGREE DAYS
 HEATING
  TODAY            0                         0      0        0
  MONTH TO DATE    5                         0      5        9
  SINCE JUN 1     17                        52    -35       52
  SINCE JUL 1      5                         4      1        9

 COOLING
  TODAY            7                         9     -2        4
  MONTH TO DATE  179                       283   -104      268
  SINCE JUN 1    377                       448    -71      424
  SINCE JAN 1    438                       502    -64      508
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     8.3


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           200 AM
 LOWEST     34           100 PM
 AVERAGE    59

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83       100      1988
 MINIMUM TEMPERATURE (F)   64        51      1990


SUNRISE AND SUNSET
JULY 31 2014..........SUNRISE   544 AM CDT   SUNSET   811 PM CDT
AUGUST  1 2014........SUNRISE   545 AM CDT   SUNSET   810 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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