Climatological Report (Daily)
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CDUS43 KLOT 220633
CLIPWK


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT SUN OCT 22 2017


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

...THE CHICAGO EXECUTIVE CLIMATE SUMMARY FOR OCTOBER 21 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         78    313 PM  80    2007  60     18       54
  MINIMUM         61    535 AM  33    1999  41     20       37
  AVERAGE         70                        50     20       46

PRECIPITATION (IN)
  YESTERDAY        0.00          0.08 2006   0.10  -0.10     0.00
  MONTH TO DATE    6.46                      2.05   4.41     1.96
  SINCE SEP 1      6.99                      5.26   1.73     3.32
  SINCE JAN 1     38.61                     27.74  10.87    28.69

DEGREE DAYS
 HEATING
  YESTERDAY        0                        15    -15       19
  MONTH TO DATE   63                       243   -180      135
  SINCE SEP 1    121                       345   -224      156
  SINCE JUL 1    127                       355   -228      158

 COOLING
  YESTERDAY        5                         0      5        0
  MONTH TO DATE   32                        11     21       18
  SINCE SEP 1    194                        92    102      155
  SINCE JAN 1    829                       789     40     1068
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  14   RESULTANT WIND DIRECTION   S (190)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED    14.1



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)   59        68      2007
 MINIMUM TEMPERATURE (F)   41        31      2013


SUNRISE AND SUNSET
OCTOBER 22 2017.......SUNRISE   713 AM CDT   SUNSET   559 PM CDT
OCTOBER 23 2017.......SUNRISE   714 AM CDT   SUNSET   557 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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