Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 122247
CLILOT


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
446 PM CST TUE DEC 12 2017


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

...THE ROMEOVILLE  WFO CLIMATE SUMMARY FOR DECEMBER 12 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         30        MM  60    2015  36     -6
  MINIMUM         17        MM  -9    2013  21     -4
  AVERAGE         24                        28     -4

PRECIPITATION (IN)
  TODAY            T             0.20 2001   0.07  -0.07
  MONTH TO DATE    0.05                      0.90  -0.85
  SINCE DEC 1      0.05                      0.90  -0.85
  SINCE JAN 1     45.59                     38.72   6.87

SNOWFALL (IN)
  TODAY            T             1.0  2010   0.3   -0.3
  MONTH TO DATE    0.8                       2.9   -2.1
  SINCE DEC 1      0.8                       2.9   -2.1
  SINCE JUL 1      0.8                       3.8   -3.0

DEGREE DAYS
 HEATING
  TODAY           41                        37      4
  MONTH TO DATE  388                       417    -29
  SINCE DEC 1    388                       417    -29
  SINCE JUL 1   1499                      1636   -137

 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)   35        62      2015
 MINIMUM TEMPERATURE (F)   20        -8      2000


SUNRISE AND SUNSET
DECEMBER 12 2017......SUNRISE   710 AM CST   SUNSET   422 PM CST
DECEMBER 13 2017......SUNRISE   711 AM CST   SUNSET   423 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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