Climatological Report (Monthly)
Issued by NWS

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CXUS43 KLOT 011612
CLMDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
957 AM CST SUN NOV 1 2020

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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1997 TO 2020

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              88   10/03/2018
                        10/09/2010
                        10/07/2007
 LOW               21   10/28/1997
HIGHEST            81   10/09        MM      MM       87
LOWEST             25   10/28        MM      MM       23
AVG. MAXIMUM     59.9              63.2    -3.3     60.5
AVG. MINIMUM     37.3              41.7    -4.4     41.8
MEAN             48.6              52.5    -3.9     51.2

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.29   2017
 MINIMUM         0.63   2005
TOTALS           3.29              3.19    0.10     6.18

DEGREE_DAYS
HEATING TOTAL     500               400     100      435
 SINCE 7/1        609               511      98      442
COOLING TOTAL       1                11     -10       17
 SINCE 1/1        942               814     128     1003
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.3
HIGHEST WIND SPEED/DIRECTION    35/190    DATE  10/14
HIGHEST GUST SPEED/DIRECTION    56/190    DATE  10/14

AVERAGE RH (PERCENT)     67


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

$$


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