Climatological Report (Monthly)
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191
CXUS43 KLOT 011255
CLMARR


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
641 AM CST MON JAN 1 2018

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

...THE AURORA MUNICIPAL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              70   12/03/2012
 LOW              -18   12/19/2016
HIGHEST            65   12/04        MM      MM       51
LOWEST            -15   12/27        MM      MM      -18
AVG. MAXIMUM     33.4              32.8     0.6     30.9
AVG. MINIMUM     16.0              17.5    -1.5     16.0
MEAN             24.7              25.1    -0.4     23.5

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         4.47   2008
 MINIMUM         0.53   2002
TOTALS           0.41R             1.96   -1.55     0.83

DEGREE_DAYS
HEATING TOTAL    1165              1235     -70     1277
 SINCE 7/1       2402              2649    -247     2175
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        713               655      58     1039
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.6
HIGHEST WIND SPEED/DIRECTION    43/260    DATE  12/05
HIGHEST GUST SPEED/DIRECTION    52/260    DATE  12/05

AVERAGE RH (PERCENT)     71


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

$$



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