Climatological Report (Daily)
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CDUS43 KLOT 180633
CLIMDW


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT WED OCT 18 2017


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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 17 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1928 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         71    229 PM  86    1950  62      9       85
  MINIMUM         49    614 AM  26    1948  45      4       69
  AVERAGE         60                        54      6       77

PRECIPITATION (IN)
  YESTERDAY        0.00          1.48 1988   0.10  -0.10     0.00
  MONTH TO DATE    3.01                      1.71   1.30     3.06
  SINCE SEP 1      3.57                      5.02  -1.45     3.89
  SINCE JAN 1     31.62                     31.57   0.05    28.54

DEGREE DAYS
 HEATING
  YESTERDAY        5                        11     -6        0
  MONTH TO DATE   42                       153   -111       64
  SINCE SEP 1     64                       230   -166       75
  SINCE JUL 1     69                       235   -166       75

 COOLING
  YESTERDAY        0                         0      0       12
  MONTH TO DATE   34                        13     21       35
  SINCE SEP 1    238                       132    106      264
  SINCE JAN 1   1144                      1042    102     1456
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  12   RESULTANT WIND DIRECTION  SW (220)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED    12.4



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


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


THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   62        87      1950
 MINIMUM TEMPERATURE (F)   45        20      1948


SUNRISE AND SUNSET
OCTOBER 18 2017.......SUNRISE   707 AM CDT   SUNSET   605 PM CDT
OCTOBER 19 2017.......SUNRISE   708 AM CDT   SUNSET   603 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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