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539
CDUS43 KLOT 092146
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
443 PM CDT SAT MAY 9 2015


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MAY 9 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         64    108 AM  94    1934  68     -4       73
  MINIMUM         52    813 AM  27    1983  46      6       54
  AVERAGE         58                        57      1       64

PRECIPITATION (IN)
  TODAY            0.26          3.14 1990   0.12   0.14     1.03
  MONTH TO DATE    2.42                      1.04   1.38     1.27
  SINCE MAR 1      6.39                      6.92  -0.53     5.82
  SINCE JAN 1      9.25                     10.44  -1.19    11.12

SNOWFALL (IN)
  TODAY            0.0           0.1  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            7                         9     -2        1
  MONTH TO DATE   37                        89    -52       88
  SINCE MAR 1   1407                      1422    -15     1601
  SINCE JUL 1   6587                      6156    431     7016

 COOLING
  TODAY            0                         1     -1        0
  MONTH TO DATE   12                         7      5        5
  SINCE MAR 1     12                        17     -5        6
  SINCE JAN 1     12                        17     -5        6
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NE (40)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED     8.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     72          1200 PM
 AVERAGE    86

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        90      2011
 MINIMUM TEMPERATURE (F)   47        28      1983


SUNRISE AND SUNSET
MAY  9 2015...........SUNRISE   538 AM CDT   SUNSET   759 PM CDT
MAY 10 2015...........SUNRISE   537 AM CDT   SUNSET   800 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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