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002
CXUS43 KLOT 011228
CLMDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
717 AM CDT SUN APR 1 2018

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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MARCH 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              83   03/22/2012
                        03/21/2012
                        03/20/2012
 LOW               -9   03/04/2002
HIGHEST            58   03/31        48      10       81
LOWEST             17   03/22        MM      MM       14
                        03/10
AVG. MAXIMUM     45.0              48.0    -3.0     46.7
AVG. MINIMUM     25.5              28.1    -2.6     29.9
MEAN             35.3              38.1    -2.8     38.3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         4.15   2009
 MINIMUM         0.50   2015
                        1999
TOTALS           1.70              2.36   -0.66     3.31

DEGREE_DAYS
HEATING TOTAL     886               836      50      819
 SINCE 7/1       5758              5591     167     4918
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.6
HIGHEST WIND SPEED/DIRECTION    33/280    DATE  03/31
HIGHEST GUST SPEED/DIRECTION    45/220    DATE  03/31

AVERAGE RH (PERCENT)     66


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

$$