Climatological Report (Monthly)
Issued by NWS

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541
CXUS53 KLOT 011319
CLMPWK


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
811 AM CDT TUE AUG 1 2017

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

...THE CHICAGO EXECUTIVE CLIMATE SUMMARY FOR THE MONTH OF JULY 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             104   07/06/2012
 LOW               50   07/02/2015
                        07/02/2001
                        07/24/2000
HIGHEST            91   07/06        MM      MM       94
LOWEST             58   07/17        MM      MM       54
                        07/09
AVG. MAXIMUM     81.5              83.3    -1.8     84.0
AVG. MINIMUM     64.3              63.8     0.5     66.0
MEAN             72.9              73.6    -0.7     75.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.13   2011
 MINIMUM            T   2002
TOTALS           7.52              3.62    3.90     4.65

DEGREE_DAYS
HEATING TOTAL       0                 4      -4        2
 SINCE 7/1          0                 4      -4        2
COOLING TOTAL     252               269     -17      320
 SINCE 1/1        461               465      -4      575
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              6.1
HIGHEST WIND SPEED/DIRECTION    31/340    DATE  07/12
HIGHEST GUST SPEED/DIRECTION    45/320    DATE  07/12

AVERAGE RH (PERCENT)     77


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

$$



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