Climatological Report (Monthly)
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000
CXUS43 KLOT 011328
CLMDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
810 AM CDT SAT JUL 1 2017

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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JUNE 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1997 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              99   06/28/2012
 LOW               38   06/03/2013
                        06/02/2003
                        06/07/1998
HIGHEST            93   06/12        MM      MM       91
LOWEST             48   06/27        MM      MM       48
                        06/08
                        06/06
AVG. MAXIMUM     81.9              81.0     0.9     81.6
AVG. MINIMUM     58.3              58.5    -0.2     58.8
MEAN             70.1              69.8     0.3     70.2

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.01   2015
 MINIMUM         0.60   2005
TOTALS           3.18              3.89   -0.71     3.14

DEGREE_DAYS
HEATING TOTAL      17                36     -19       12
 SINCE 7/1       5564              6315    -751     5639
COOLING TOTAL     179               178       1      175
 SINCE 1/1        202               224     -22      248
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.1
HIGHEST WIND SPEED/DIRECTION    33/320    DATE  06/19
HIGHEST GUST SPEED/DIRECTION    43/310    DATE  06/19

AVERAGE RH (PERCENT)     68


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

$$



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