Climatological Report (Daily)
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CDUS43 KLOT 170635
CLIMDW


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1234 AM CST WED DEC 17 2014


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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR DECEMBER 16 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1928 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         47   1219 PM  63    1984  35     12       22
  MINIMUM         32   1159 PM -12    1951  22     10       12
                                      1932
  AVERAGE         40                        29     11       17

PRECIPITATION (IN)
  YESTERDAY        0.02          0.47 1928   0.08  -0.06     0.01
  MONTH TO DATE    0.26                      1.44  -1.18     0.34
  SINCE DEC 1      0.26                      1.44  -1.18     0.34
  SINCE JAN 1     41.18                     37.96   3.22    33.91

DEGREE DAYS
 HEATING
  YESTERDAY       25                        36    -11       48
  MONTH TO DATE  462                       543    -81      652
  SINCE DEC 1    462                       543    -81      652
  SINCE JUL 1   1719                      1678     41     1850

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1066                      1045     21     1091
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION   W (290)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED    10.8



WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  LIGHT SNOW
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


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


THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   35        60      1977
 MINIMUM TEMPERATURE (F)   22        -7      1951


SUNRISE AND SUNSET
DECEMBER 17 2014......SUNRISE   713 AM CST   SUNSET   422 PM CST
DECEMBER 18 2014......SUNRISE   713 AM CST   SUNSET   422 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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