Climatological Report (Monthly)
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12
989
CXUS43 KLOT 011404
CLMDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
900 AM CDT WED NOV 1 2017

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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 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              88   10/09/2010
                        10/07/2007
                        10/06/2007
 LOW               21   10/28/1997
HIGHEST            83   10/02        MM      MM       83
LOWEST             32   10/31        MM      MM       33
                        10/29
AVG. MAXIMUM     64.5              63.2     1.3     65.9
AVG. MINIMUM     46.9              41.7     5.2     45.6
MEAN             55.7              52.5     3.2     55.8

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.29   2017
 MINIMUM         0.63   2005
TOTALS           8.29              3.19    5.10     2.49

DEGREE_DAYS
HEATING TOTAL     294               400    -106      297
 SINCE 7/1        389               511    -122      325
COOLING TOTAL      16                11       5       19
 SINCE 1/1        695               814    -119     1004
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.8
HIGHEST WIND SPEED/DIRECTION    31/270    DATE  10/30
HIGHEST GUST SPEED/DIRECTION    45/310    DATE  10/14

AVERAGE RH (PERCENT)     75


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

$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.