Climatological Report (Daily)
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000
CDUS43 KLOT 112135
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CDT WED APR 11 2018


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR APRIL 11 2018...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         66    243 PM  90    1930  57      9       54
  MINIMUM         39    615 AM  25    1989  37      2       41
                                      1973
                                      1882
  AVERAGE         53                        47      6       48

PRECIPITATION (IN)
  TODAY            0.00          2.41 1871   0.12  -0.12      T
  MONTH TO DATE    0.42                      1.19  -0.77     1.86
  SINCE MAR 1      2.16                      3.69  -1.53     5.87
  SINCE JAN 1      8.34                      7.21   1.13    10.26

SNOWFALL (IN)
  TODAY            0.0           3.0  2007   0.1   -0.1      0.0
  MONTH TO DATE    2.2                       0.8    1.4      0.0
  SINCE MAR 1      4.8                       6.4   -1.6      7.8
  SINCE JUL 1     35.1                      35.9   -0.8     26.1

DEGREE DAYS
 HEATING
  TODAY           12                        18     -6       17
  MONTH TO DATE  334                       217    117      155
  SINCE MAR 1   1201                      1058    143      940
  SINCE JUL 1   5659                      5792   -133     4865

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


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED    10.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    70          1200 AM
 LOWEST     37           100 PM
 AVERAGE    54

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   58        86      1977
                                             1971
 MINIMUM TEMPERATURE (F)   38        21      1957
                                             1939


SUNRISE AND SUNSET
APRIL 11 2018.........SUNRISE   618 AM CDT   SUNSET   728 PM CDT
APRIL 12 2018.........SUNRISE   616 AM CDT   SUNSET   729 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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