Climatological Report (Daily)
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CDUS43 KLOT 210635
CLIPWK


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT MON AUG 21 2017


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

...THE CHICAGO EXECUTIVE CLIMATE SUMMARY FOR AUGUST 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         88    136 PM  93    2010  81      7       80
  MINIMUM         61    526 AM  57    2015  63     -2       64
                                      2012
                                      2002
  AVERAGE         75                        72      3       72

PRECIPITATION (IN)
  YESTERDAY        T             1.17 2005   0.12  -0.12     0.50
  MONTH TO DATE    1.49                      2.48  -0.99     2.82
  SINCE JUN 1     14.89                      9.81   5.08    11.65
  SINCE JAN 1     31.47                     21.30  10.17    24.01

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    4                         0      4        0
  SINCE JUN 1     18                        56    -38       20
  SINCE JUL 1      4                         4      0        2

 COOLING
  YESTERDAY       10                         7      3        7
  MONTH TO DATE  124                       161    -37      247
  SINCE JUN 1    561                       584    -23      753
  SINCE JAN 1    585                       626    -41      822
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED     3.1



WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


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


THE CHICAGO EXECUTIVE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   81        96      2003
 MINIMUM TEMPERATURE (F)   63        53      2012


SUNRISE AND SUNSET
AUGUST 21 2017........SUNRISE   606 AM CDT   SUNSET   743 PM CDT
AUGUST 22 2017........SUNRISE   607 AM CDT   SUNSET   741 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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