Climatological Report (Daily)
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CDUS43 KLOT 170634
CLIMDW


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT TUE OCT 17 2017


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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 16 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         63    321 PM  87    1963  63      0       72
  MINIMUM         43    629 AM  30    1944  46     -3       65
  AVERAGE         53                        54     -1       69

PRECIPITATION (IN)
  YESTERDAY        0.00          0.81 2006   0.10  -0.10     0.54
  MONTH TO DATE    3.01                      1.61   1.40     3.06
  SINCE SEP 1      3.57                      4.92  -1.35     3.89
  SINCE JAN 1     31.62                     31.47   0.15    28.54

DEGREE DAYS
 HEATING
  YESTERDAY       12                        11      1        0
  MONTH TO DATE   37                       142   -105       64
  SINCE SEP 1     59                       219   -160       75
  SINCE JUL 1     64                       224   -160       75

 COOLING
  YESTERDAY        0                         0      0        4
  MONTH TO DATE   34                        13     21       23
  SINCE SEP 1    238                       132    106      252
  SINCE JAN 1   1144                      1042    102     1444
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION   W (250)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED     7.5



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        86      1950
 MINIMUM TEMPERATURE (F)   45        26      1948


SUNRISE AND SUNSET
OCTOBER 17 2017.......SUNRISE   706 AM CDT   SUNSET   606 PM CDT
OCTOBER 18 2017.......SUNRISE   707 AM CDT   SUNSET   605 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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