Climatological Report (Monthly)
Issued by NWS

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CXUS53 KLOT 011420
CLMPWK


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
918 AM CDT WED OCT 1 2014

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

...THE CHICAGO EXECUTIVE CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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              96   09/10/2013
 LOW               34   09/24/2012
HIGHEST            89   09/05        MM      MM       96
LOWEST             42   09/13        MM      MM       45
AVG. MAXIMUM     74.0              74.3    -0.3     76.8
AVG. MINIMUM     53.7              54.3    -0.6     56.4
MEAN             63.9              64.3    -0.4     66.6

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         9.43   2008
 MINIMUM         0.31   2004
TOTALS           1.91              3.21   -1.30     2.03

DEGREE_DAYS
HEATING TOTAL     115               102      13       80
 SINCE 7/1        119               112       7       90
COOLING TOTAL      88                81       7      136
 SINCE 1/1        776               778      -2      896
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              6.0
HIGHEST WIND SPEED/DIRECTION    46/280    DATE  09/05
HIGHEST GUST SPEED/DIRECTION    63/280    DATE  09/05

AVERAGE RH (PERCENT)     69


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

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