Climatological Report (Monthly)
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CXUS53 KLOT 011255
CLMUGN


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

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

...THE WAUKEGAN   CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 2000 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              69   12/05/2001
 LOW              -11   12/19/2016
HIGHEST            64   12/04        MM      MM       51
LOWEST             -6   12/27        MM      MM      -11
AVG. MAXIMUM     32.5              34.4    -1.9     30.9
AVG. MINIMUM     17.7              20.5    -2.8     18.8
MEAN             25.1              27.5    -2.4     24.9

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         4.80   2015
 MINIMUM         0.50   2005
TOTALS           0.46R             2.00   -1.54     0.90

DEGREE_DAYS
HEATING TOTAL    1230              1164      66     1236
 SINCE 7/1       2460              2549     -89     2123
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        571               564       7      855
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              7.7
HIGHEST WIND SPEED/DIRECTION    43/200    DATE  12/04
HIGHEST GUST SPEED/DIRECTION    57/210    DATE  12/04

AVERAGE RH (PERCENT)     68


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

$$



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