Climatological Report (Daily)
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CDUS43 KLOT 212134
CLIPWK


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CDT THU SEP 21 2017


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

...THE CHICAGO EXECUTIVE CLIMATE SUMMARY FOR SEPTEMBER 21 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         93R  1234 PM  90    2010  72     21
  MINIMUM         72    559 AM  40    2006  52     20
  AVERAGE         83                        62     21       69

PRECIPITATION (IN)
  TODAY            0.00          0.46 2016   0.10  -0.10
  MONTH TO DATE    0.53                      2.19  -1.66
  SINCE SEP 1      0.53                      2.19  -1.66
  SINCE JAN 1     32.15                     24.67   7.48

DEGREE DAYS
 HEATING
  TODAY            0                         4     -4
  MONTH TO DATE   43                        45     -2
  SINCE SEP 1     43                        45     -2
  SINCE JUL 1     49                        55     -6

 COOLING
  TODAY           18                         2     16
  MONTH TO DATE   85                        70     15
  SINCE SEP 1     85                        70     15
  SINCE JAN 1    720                       767    -47
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION  SE (120)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     E (70)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION     E (70)
  AVERAGE WIND SPEED     4.5



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


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


THE CHICAGO EXECUTIVE CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        87      2005
 MINIMUM TEMPERATURE (F)   51        39      1999


SUNRISE AND SUNSET
SEPTEMBER 21 2017.....SUNRISE   638 AM CDT   SUNSET   650 PM CDT
SEPTEMBER 22 2017.....SUNRISE   639 AM CDT   SUNSET   648 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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