Climatological Report (Monthly)
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CXUS53 KLOT 011135
CLMPWK


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
628 AM CDT FRI SEP 1 2017

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

...THE CHICAGO EXECUTIVE CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1996 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              98   08/02/2006
 LOW               47   08/31/2009
HIGHEST            88   08/20        MM      MM       94
LOWEST             52   08/25        MM      MM       54
AVG. MAXIMUM     79.9              81.5    -1.6     84.3
AVG. MINIMUM     60.3              63.1    -2.8     66.9
MEAN             70.1              72.3    -2.2     75.6

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         9.91   2007
 MINIMUM            T   2002
TOTALS           1.64              3.66   -2.02     4.18

DEGREE_DAYS
HEATING TOTAL       6                 6       0        0
 SINCE 7/1          6                10      -4        2
COOLING TOTAL     174               232     -58      338
 SINCE 1/1        635               697     -62      913
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              5.8
HIGHEST WIND SPEED/DIRECTION    25/240    DATE  08/03
HIGHEST GUST SPEED/DIRECTION    36/230    DATE  08/03

AVERAGE RH (PERCENT)     72


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

$$



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