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000
CDUS43 KLOT 282135
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CDT FRI APR 28 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR APRIL 28 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         60    256 PM  86    1915  64     -4       50
  MINIMUM         40    537 AM  28    1992  43     -3       42
  AVERAGE         50                        54     -4       46

PRECIPITATION (IN)
  TODAY            T             2.04 1981   0.12  -0.12     0.45
  MONTH TO DATE    3.16                      3.14   0.02     2.18
  SINCE MAR 1      7.17                      5.64   1.53     5.52
  SINCE JAN 1     11.56                      9.16   2.40     7.59

SNOWFALL (IN)
  TODAY            0.0           T    2008   0.0    0.0      0.0
                                      1950
                                      1961
  MONTH TO DATE    0.0                       1.2   -1.2      1.1
  SINCE MAR 1      7.8                       6.8    1.0      3.7
  SINCE JUL 1     26.1                      36.3  -10.2     31.2

DEGREE DAYS
 HEATING
  TODAY           15                        12      3       19
  MONTH TO DATE  297                       470   -173      479
  SINCE MAR 1   1082                      1311   -229     1144
  SINCE JUL 1   5007                      6045  -1038     5152

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE   12                         0     12        7
  SINCE MAR 1     12                         1     11        7
  SINCE JAN 1     12                         1     11        7
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     E (80)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     E (70)
  AVERAGE WIND SPEED     5.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82           100 AM
 LOWEST     56           800 AM
 AVERAGE    69

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   64        88      1970
                                             1899
 MINIMUM TEMPERATURE (F)   43        31      2008
                                             1958


SUNRISE AND SUNSET
APRIL 28 2017.........SUNRISE   551 AM CDT   SUNSET   747 PM CDT
APRIL 29 2017.........SUNRISE   550 AM CDT   SUNSET   749 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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