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CDUS43 KLOT 162143
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
439 PM CDT THU MAY 16 2013


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MAY 16 2013...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         83    159 PM  94    1962  70     13       65
  MINIMUM         53    507 AM  33    1997  48      5       50
  AVERAGE         68                        59      9       58

PRECIPITATION (IN)
  TODAY            0.00          1.38 1974   0.12  -0.12     0.00
  MONTH TO DATE    0.63                      1.87  -1.24     3.12
  SINCE MAR 1     11.31                      7.75   3.56     7.45
  SINCE JAN 1     17.90                     11.27   6.63    10.95

SNOWFALL (IN)
  TODAY            0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0       T
  SINCE MAR 1     10.5                       6.8    3.7      0.3
  SINCE JUL 1     30.1                      36.3   -6.2     19.8

DEGREE DAYS
 HEATING
  TODAY            0                         7     -7        7
  MONTH TO DATE  126                       144    -18       73
  SINCE MAR 1   1662                      1477    185      890
  SINCE JUL 1   6064                      6211   -147     4863

 COOLING
  TODAY            3                         1      2        0
  MONTH TO DATE   21                        14      7       22
  SINCE MAR 1     29                        24      5       65
  SINCE JAN 1     29                        24      5       65
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SE (130)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     E (110)
  AVERAGE WIND SPEED     3.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           400 AM
 LOWEST     26           200 PM
 AVERAGE    56

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        94      1962
 MINIMUM TEMPERATURE (F)   49        36      2002
                                             1973


SUNRISE AND SUNSET
MAY 16 2013...........SUNRISE   530 AM CDT   SUNSET   806 PM CDT
MAY 17 2013...........SUNRISE   529 AM CDT   SUNSET   807 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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