Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 172246
CLILOT


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
444 PM CST SUN DEC 17 2017


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

...THE ROMEOVILLE  WFO CLIMATE SUMMARY FOR DECEMBER 17 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE
                VALUE   (LST)  VALUE       VALUE  FROM
                                                  NORMAL
...............................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         47    100 PM  56    2006  34     13
  MINIMUM         30        MM  -4    2000  19     11
  AVERAGE         39                        27     12

PRECIPITATION (IN)
  TODAY            0.00          0.14 2001   0.06  -0.06
  MONTH TO DATE    0.05                      1.24  -1.19
  SINCE DEC 1      0.05                      1.24  -1.19
  SINCE JAN 1     45.59                     39.06   6.53

SNOWFALL (IN)
  TODAY            0.0           1.2  2016   0.3   -0.3
  MONTH TO DATE    0.8                       4.5   -3.7
  SINCE DEC 1      0.8                       4.5   -3.7
  SINCE JUL 1      0.8                       5.4   -4.6

DEGREE DAYS
 HEATING
  TODAY           26                        38    -12
  MONTH TO DATE  556                       606    -50
  SINCE DEC 1    556                       606    -50
  SINCE JUL 1   1667                      1825   -158

 COOLING
  TODAY            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 TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        55      2002
 MINIMUM TEMPERATURE (F)   19       -12      2016


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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