Climatological Report (Daily)
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000
CDUS43 KLOT 312142
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
441 PM CDT SUN MAY 31 2015


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MAY 31 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         55    259 PM  98    1934  75    -20       88
  MINIMUM         42    501 AM  35    1873  53    -11       54
  AVERAGE         49                        64    -15       71

PRECIPITATION (IN)
  TODAY            T             1.81 1942   0.12  -0.12     0.00
  MONTH TO DATE    4.66                      3.68   0.98     4.98
  SINCE MAR 1      8.63                      9.56  -0.93     9.53
  SINCE JAN 1     11.49                     13.08  -1.59    14.83

SNOWFALL (IN)
  TODAY           MM             0.0    MM   0.0   MM        0.0
  MONTH TO DATE    0.0                       T      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           16                         4     12        0
  MONTH TO DATE  187                       225    -38      195
  SINCE MAR 1   1557                      1558     -1     1708
  SINCE JUL 1   6737                      6292    445     7123

 COOLING
  TODAY            0                         3     -3        6
  MONTH TO DATE   53                        44      9       60
  SINCE MAR 1     53                        54     -1       61
  SINCE JAN 1     53                        54     -1       61
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED    18.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           500 AM
 LOWEST     54           300 PM
 AVERAGE    72

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75       102      1934
 MINIMUM TEMPERATURE (F)   53        37      1993


SUNRISE AND SUNSET
MAY 31 2015...........SUNRISE   519 AM CDT   SUNSET   820 PM CDT
JUNE  1 2015..........SUNRISE   519 AM CDT   SUNSET   820 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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