Climatological Report (Daily)
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CDUS43 KLOT 210633
CLIPWK


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT SAT OCT 21 2017


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

...THE CHICAGO EXECUTIVE CLIMATE SUMMARY FOR OCTOBER 20 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1996 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         79    228 PM  84    2003  60     19       55
  MINIMUM         48    533 AM  32    2002  41      7       44
                                      1996
  AVERAGE         64                        51     13       50

PRECIPITATION (IN)
  YESTERDAY        0.00          0.27 2008   0.09  -0.09     0.00
  MONTH TO DATE    6.46                      1.95   4.51     1.96
  SINCE SEP 1      6.99                      5.16   1.83     3.32
  SINCE JAN 1     38.61                     27.64  10.97    28.69

DEGREE DAYS
 HEATING
  YESTERDAY        1                        14    -13       15
  MONTH TO DATE   63                       228   -165      116
  SINCE SEP 1    121                       330   -209      137
  SINCE JUL 1    127                       340   -213      139

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE   27                        11     16       18
  SINCE SEP 1    189                        92     97      155
  SINCE JAN 1    824                       789     35     1068
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION   S (190)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     7.4



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


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


THE CHICAGO EXECUTIVE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   60        80      2007
 MINIMUM TEMPERATURE (F)   41        33      1999


SUNRISE AND SUNSET
OCTOBER 21 2017.......SUNRISE   711 AM CDT   SUNSET   600 PM CDT
OCTOBER 22 2017.......SUNRISE   713 AM CDT   SUNSET   559 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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