Climatological Report (Daily)
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CDUS43 KLOT 200635
CLIMDW


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


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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR DECEMBER 19 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         34    825 PM  56    1988  34      0       43
                                      1957
  MINIMUM         29    308 AM -12    1983  22      7       34
  AVERAGE         32                        28      4       39

PRECIPITATION (IN)
  YESTERDAY        T             0.80 1987   0.08  -0.08     0.05
  MONTH TO DATE    0.26                      1.67  -1.41     0.39
  SINCE DEC 1      0.26                      1.67  -1.41     0.39
  SINCE JAN 1     41.18                     38.19   2.99    33.96

DEGREE DAYS
 HEATING
  YESTERDAY       33                        37     -4       26
  MONTH TO DATE  568                       654    -86      758
  SINCE DEC 1    568                       654    -86      758
  SINCE JUL 1   1825                      1789     36     1956

 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   2   RESULTANT WIND DIRECTION  NW (300)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     4.2



WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW


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


THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        59      1988
                                             1949
 MINIMUM TEMPERATURE (F)   21        -9      1963


SUNRISE AND SUNSET
DECEMBER 20 2014......SUNRISE   714 AM CST   SUNSET   423 PM CST
DECEMBER 21 2014......SUNRISE   715 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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