Climatological Report (Daily)
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000
CDUS43 KLOT 092131
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
431 PM CDT SUN APR 9 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR APRIL 9 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         77    240 PM  80    1887  56     21       38
  MINIMUM         57    634 AM  20    1989  37     20       22
  AVERAGE         67                        46     21       30

PRECIPITATION (IN)
  TODAY            0.00          1.49 1882   0.12  -0.12      T
  MONTH TO DATE    1.54                      0.96   0.58     0.59
  SINCE MAR 1      5.55                      3.46   2.09     3.93
  SINCE JAN 1      9.94                      6.98   2.96     6.00

SNOWFALL (IN)
  TODAY            0.0           1.8  1961   0.1   -0.1       T
  MONTH TO DATE    0.0                       0.7   -0.7      1.1
  SINCE MAR 1      7.8                       6.3    1.5      3.7
  SINCE JUL 1     26.1                      35.8   -9.7     31.2

DEGREE DAYS
 HEATING
  TODAY            0                        19    -19       35
  MONTH TO DATE  133                       181    -48      245
  SINCE MAR 1    918                      1022   -104      910
  SINCE JUL 1   4843                      5756   -913     4918

 COOLING
  TODAY            2                         0      2        0
  MONTH TO DATE    2                         0      2        0
  SINCE MAR 1      2                         1      1        0
  SINCE JAN 1      2                         1      1        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED    17.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    55           500 AM
 LOWEST     43           100 PM
 AVERAGE    49

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        90      1930
 MINIMUM TEMPERATURE (F)   37        18      1989


SUNRISE AND SUNSET
APRIL  9 2017.........SUNRISE   621 AM CDT   SUNSET   726 PM CDT
APRIL 10 2017.........SUNRISE   619 AM CDT   SUNSET   727 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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