Climatological Report (Monthly)
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000
CXUS43 KLOT 011341
CLMDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
828 AM CDT MON JUN 1 2015

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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1997 TO 2015

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            83   05/28        MM      MM       89
                        05/07
LOWEST             32   05/01        MM      MM       36
AVG. MAXIMUM     71.1              71.2    -0.1     71.8
AVG. MINIMUM     50.0              47.8     2.2     48.9
MEAN             60.5              59.5     1.0     60.4

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.32   2010
 MINIMUM         1.21   2007
TOTALS           4.42              4.58   -0.16     3.89

DEGREE_DAYS
HEATING TOTAL     186               213     -27      205
 SINCE 7/1       6787              6279     508     7578
COOLING TOTAL      54                42      12       69
 SINCE 1/1         54                46       8       69
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.8
HIGHEST WIND SPEED/DIRECTION    29/020    DATE  05/30
HIGHEST GUST SPEED/DIRECTION    38/010    DATE  05/30

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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