Climatological Report (Monthly)
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CXUS53 KLOT 011404
CLMPWK


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
900 AM CDT WED NOV 1 2017

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

...THE CHICAGO EXECUTIVE CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 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              89   10/05/1997
 LOW               26   10/31/1996
HIGHEST            84   10/02        MM      MM       82
LOWEST             34   10/29        MM      MM       36
AVG. MAXIMUM     65.9              61.7     4.2     65.5
AVG. MINIMUM     49.4              42.6     6.8     47.1
MEAN             57.7              52.2     5.5     56.3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.18   2017
 MINIMUM         0.22   2005
TOTALS           8.18              2.94    5.24     3.62

DEGREE_DAYS
HEATING TOTAL     250               409    -159      279
 SINCE 7/1        314               521    -207      302
COOLING TOTAL      32                11      21       18
 SINCE 1/1        829               789      40     1068
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.6
HIGHEST WIND SPEED/DIRECTION    28/290    DATE  10/30
HIGHEST GUST SPEED/DIRECTION    37/270    DATE  10/30

AVERAGE RH (PERCENT)     71


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

$$



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