Climatological Report (Monthly)
Issued by NWS

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CXUS53 KLOT 011255
CLMVPZ


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

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

...THE VALPARAISO 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              69   12/05/2001
 LOW              -13   12/19/2016
HIGHEST            64   12/04        35      29       53
LOWEST             -2   12/27        22     -24      -13
AVG. MAXIMUM     36.0              34.8     1.2     33.1
AVG. MINIMUM     20.0              21.4    -1.4     19.0
MEAN             28.0              28.1    -0.1     26.1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.98   2008
 MINIMUM         0.53   2005
TOTALS           0.16R             2.18   -2.02     0.75

DEGREE_DAYS
HEATING TOTAL    1140              1144      -4     1198
 SINCE 7/1       2139              2402    -263     2011
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        968               713     255     1017
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.2
HIGHEST WIND SPEED/DIRECTION    38/260    DATE  12/05
HIGHEST GUST SPEED/DIRECTION    55/250    DATE  12/05

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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