Climatological Report (Monthly)
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CXUS43 KLOT 011328
CLMDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
809 AM CDT FRI JUN 1 2018

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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1997 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              96   05/27/2012
 LOW               26   05/21/2002
HIGHEST            95   05/27        MM      MM       87
LOWEST             44   05/12        MM      MM       32
                        05/07
AVG. MAXIMUM     77.2              71.2     6.0     67.8
AVG. MINIMUM     54.0              47.8     6.2     45.8
MEAN             65.6              59.5     6.1     56.8

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.32   2010
 MINIMUM         1.21   2007
TOTALS           7.10R             4.58    2.52     4.52

DEGREE_DAYS
HEATING TOTAL      88               213    -125      261
 SINCE 7/1       6584              6279     305     5547
COOLING TOTAL     114                42      72       15
 SINCE 1/1        114                46      68       23
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              7.8
HIGHEST WIND SPEED/DIRECTION    32/250    DATE  05/04
HIGHEST GUST SPEED/DIRECTION    47/250    DATE  05/04

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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