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711
CXUS53 KLOT 011323
CLMPWK


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
712 AM CST THU JAN 1 2015

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

...THE CHICAGO EXECUTIVE CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2014...

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

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              69   12/03/2012
                        12/05/2001
                        07/04/2012
 LOW               -8   12/22/2000
HIGHEST            51   12/26        MM      MM       56
LOWEST              4   12/31        MM      MM       -4
AVG. MAXIMUM     37.0              35.1     1.9     31.2
AVG. MINIMUM     27.0              20.9     6.1     15.0
MEAN             32.0              28.0     4.0     23.1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         4.30   2008
 MINIMUM         0.39   2005
TOTALS           0.71              1.83   -1.12     0.87

DEGREE_DAYS
HEATING TOTAL    1018              1147    -129     1293
 SINCE 7/1       2421              2417       4     2564
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        780               789      -9      918
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.3
HIGHEST WIND SPEED/DIRECTION    25/260    DATE  12/27
HIGHEST GUST SPEED/DIRECTION    37/270    DATE  12/27

AVERAGE RH (PERCENT)     74


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

$$




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