Climatological Report (Daily)
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CDUS43 KLOT 200635
CLIPWK


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1235 AM CST SAT DEC 20 2014


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

...THE CHICAGO EXECUTIVE CLIMATE SUMMARY FOR DECEMBER 19 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1996 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         31    532 PM  56    2002  34     -3       38
  MINIMUM         28   1014 AM   0    2005  20      8       25
  AVERAGE         30                        27      3       32

PRECIPITATION (IN)
  YESTERDAY        0.00          0.17 2009   0.05  -0.05     0.07
  MONTH TO DATE    0.26                      1.18  -0.92     0.24
  SINCE DEC 1      0.26                      1.18  -0.92     0.24
  SINCE JAN 1     32.37                     32.70  -0.33    28.61

DEGREE DAYS
 HEATING
  YESTERDAY       35                        38     -3       33
  MONTH TO DATE  619                       674    -55      786
  SINCE DEC 1    619                       674    -55      786
  SINCE JUL 1   2022                      1944     78     2057

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    780                       789     -9      918
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   N (340)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     N (350)
  HIGHEST GUST SPEED    11   HIGHEST GUST DIRECTION     N (350)
  AVERAGE WIND SPEED     4.3



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)   34        49      2012
 MINIMUM TEMPERATURE (F)   20         0      2000


SUNRISE AND SUNSET
DECEMBER 20 2014......SUNRISE   716 AM CST   SUNSET   422 PM CST
DECEMBER 21 2014......SUNRISE   717 AM CST   SUNSET   423 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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