Climatological Report (Monthly)
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710
CXUS43 KLOT 011505
CLMDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
856 AM CST THU FEB 1 2018

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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JANUARY 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              65   01/07/2008
 LOW              -24   01/05/1999
HIGHEST            57   01/11        MM      MM       59
LOWEST            -14   01/02        MM      MM       -1
AVG. MAXIMUM     30.1              31.4    -1.3     34.3
AVG. MINIMUM     13.4              15.5    -2.1     21.8
MEAN             21.8              23.5    -1.7     28.1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         4.72   2003
 MINIMUM         0.50   2002
TOTALS           1.17              1.31   -0.14     2.05

DEGREE_DAYS
HEATING TOTAL    1333              1288      45     1138
 SINCE 7/1       3783              3715      68     3317
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.9
HIGHEST WIND SPEED/DIRECTION    30/190    DATE  01/26
HIGHEST GUST SPEED/DIRECTION    42/170    DATE  01/26

AVERAGE RH (PERCENT)     80


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

$$



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