Climatological Report (Daily)
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000
CDUS43 KLOT 162150
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
449 PM CDT SAT MAY 16 2015


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MAY 16 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         79    237 PM  94    1962  70      9       46
  MINIMUM         62    310 AM  33    1997  48     14       37
  AVERAGE         71                        59     12       42

PRECIPITATION (IN)
  TODAY            0.03          1.38 1974   0.12  -0.09     0.10
  MONTH TO DATE    3.08                      1.87   1.21     3.91
  SINCE MAR 1      7.05                      7.75  -0.70     8.46
  SINCE JAN 1      9.91                     11.27  -1.36    13.76

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 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                         7     -7       23
  MONTH TO DATE  105                       144    -39      151
  SINCE MAR 1   1475                      1477     -2     1664
  SINCE JUL 1   6655                      6211    444     7079

 COOLING
  TODAY            6                         1      5        0
  MONTH TO DATE   20                        14      6       16
  SINCE MAR 1     20                        24     -4       17
  SINCE JAN 1     20                        24     -4       17
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED     7.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           200 AM
 LOWEST     67           300 PM
 AVERAGE    80

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


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 2015...........SUNRISE   531 AM CDT   SUNSET   806 PM CDT
MAY 17 2015...........SUNRISE   530 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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