Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 170631
CLILOT


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1231 AM CST SUN DEC 17 2017


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

...THE ROMEOVILLE  WFO CLIMATE SUMMARY FOR DECEMBER 16 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1992 TO 2017


WEATHER ITEM   OBSERVED RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   VALUE       VALUE  FROM      YEAR
                                           NORMAL
...........................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         48     56    2006  34     14       22
  MINIMUM         30      5    2009  20     10        8
  AVERAGE         39                 27     12       15

PRECIPITATION (IN)
  YESTERDAY        0.00   0.34 1994   0.07  -0.07      T
  MONTH TO DATE    0.05               1.18  -1.13     1.02
  SINCE DEC 1      0.05               1.18  -1.13     1.02
  SINCE JAN 1     45.59              39.00   6.59    39.12

SNOWFALL (IN)
  YESTERDAY        0.0    3.1  2008   0.4   -0.4      0.3
  MONTH TO DATE    0.8                4.2   -3.4     14.2
  SINCE DEC 1      0.8                4.2   -3.4     14.2
  SINCE JUL 1      0.8                5.1   -4.3     14.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       26                 38    -12
  MONTH TO DATE  530                568    -38
  SINCE DEC 1    530                568    -38
  SINCE JUL 1   1641               1787   -146

 COOLING
  YESTERDAY        0                  0      0
  MONTH TO DATE    0                  0      0
  SINCE DEC 1      0                  0      0
  SINCE JAN 1    875                862     13
...........................................................







THE ROMEOVILLE  WFO CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        56      2006
 MINIMUM TEMPERATURE (F)   19        -4      2000


SUNRISE AND SUNSET
DECEMBER 17 2017......SUNRISE   714 AM CST   SUNSET   424 PM CST
DECEMBER 18 2017......SUNRISE   714 AM CST   SUNSET   424 PM CST


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




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