Climatological Report (Daily)
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CDUS43 KLOT 202132
CLIMDW


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
431 PM CDT FRI OCT 20 2017


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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 20 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE
                VALUE   (LST)  VALUE       VALUE  FROM
                                                  NORMAL
...............................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         80    256 PM  86    1953  61     19
  MINIMUM         54    401 AM  20    1930  44     10
  AVERAGE         67                        53     14

PRECIPITATION (IN)
  TODAY            0.00          0.86 1934   0.10  -0.10
  MONTH TO DATE    3.01                      2.02   0.99
  SINCE SEP 1      3.57                      5.33  -1.76
  SINCE JAN 1     31.62                     31.88  -0.26

DEGREE DAYS
 HEATING
  TODAY            0                        12    -12
  MONTH TO DATE   50                       189   -139
  SINCE SEP 1     72                       266   -194
  SINCE JUL 1     77                       271   -194

 COOLING
  TODAY            2                         0      2
  MONTH TO DATE   36                        13     23
  SINCE SEP 1    240                       132    108
  SINCE JAN 1   1146                      1042    104
...............................................................


WIND (MPH)
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     8.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


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


THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   61        87      1953
 MINIMUM TEMPERATURE (F)   44        26      1952


SUNRISE AND SUNSET
OCTOBER 20 2017.......SUNRISE   709 AM CDT   SUNSET   602 PM CDT
OCTOBER 21 2017.......SUNRISE   710 AM CDT   SUNSET   600 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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