Climatological Report (Monthly)
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000
CXUS43 KLOT 011319
CLMDPA

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
759 AM CDT SAT NOV 1 2014

...................................
...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1997 TO 2014

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              88   10/09/2010
                        10/07/2007
                        10/06/2007
 LOW               21   10/28/1997

HIGHEST            77   10/27        MM      MM       81
LOWEST             30   10/19        MM      MM       24

AVG. MAXIMUM     62.1              63.2    -1.1     62.1
AVG. MINIMUM     42.1              41.7     0.4     40.2
MEAN             52.1              52.5    -0.4     51.2

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.10   1998
 MINIMUM         0.63   2005

TOTALS           3.13              3.19   -0.06     2.51

DEGREE_DAYS
HEATING TOTAL     398               400      -2      438
 SINCE 7/1        535               511      24      563
COOLING TOTAL       5                11      -6       16
 SINCE 1/1        767               814     -47      745
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.8
HIGHEST WIND SPEED/DIRECTION    38/340    DATE  10/31
HIGHEST GUST SPEED/DIRECTION    50/360    DATE  10/31

AVERAGE RH (PERCENT)     70


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

$$




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