Climatological Report (Daily)
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CDUS43 KLOT 190633
CLIMDW


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT THU OCT 19 2017


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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 18 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    410 PM  87    1950  62      9       78
  MINIMUM         50    639 AM  20    1948  45      5       58
  AVERAGE         61                        54      7       68

PRECIPITATION (IN)
  YESTERDAY        0.00          3.18 1985   0.11  -0.11     0.00
  MONTH TO DATE    3.01                      1.82   1.19     3.06
  SINCE SEP 1      3.57                      5.13  -1.56     3.89
  SINCE JAN 1     31.62                     31.68  -0.06    28.54

DEGREE DAYS
 HEATING
  YESTERDAY        4                        12     -8        0
  MONTH TO DATE   46                       165   -119       64
  SINCE SEP 1     68                       242   -174       75
  SINCE JUL 1     73                       247   -174       75

 COOLING
  YESTERDAY        0                         0      0        3
  MONTH TO DATE   34                        13     21       38
  SINCE SEP 1    238                       132    106      267
  SINCE JAN 1   1144                      1042    102     1459
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  12   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    SW (210)
  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        84      1971
 MINIMUM TEMPERATURE (F)   45        24      1930


SUNRISE AND SUNSET
OCTOBER 19 2017.......SUNRISE   708 AM CDT   SUNSET   603 PM CDT
OCTOBER 20 2017.......SUNRISE   709 AM CDT   SUNSET   602 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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