Climatological Report (Daily)
Issued by NWS Central Illinois

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CDUS43 KILX 172241
CLISPI


CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
431 PM CST SUN DEC 17 2017


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

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

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1879 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         50    359 PM  64    1908  37     13       33
  MINIMUM         42    940 AM  -5    1989  22     20       14
  AVERAGE         46                        30     16       24

PRECIPITATION (IN)
  TODAY            0.08          1.42 1924   0.07   0.01     0.05
  MONTH TO DATE    0.13                      1.51  -1.38     0.60
  SINCE DEC 1      0.13                      1.51  -1.38     0.60
  SINCE JAN 1     31.26                     36.42  -5.16    42.46

SNOWFALL (IN)
  TODAY           MM             4.8  1882   0.2   MM        0.3
  MONTH TO DATE    T                         2.6   -2.6      2.7
  SINCE DEC 1      T                         2.6   -2.6      2.7
  SINCE JUL 1      T                         3.2   -3.2      2.7
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           19                        35    -16       41
  MONTH TO DATE  475                       557    -82      603
  SINCE DEC 1    475                       557    -82      603
  SINCE JUL 1   1340                      1625   -285     1254

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1401                      1122    279     1626
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     8.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89          1000 AM
 LOWEST     58           100 AM
 AVERAGE    74

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


THE SPRINGFIELD IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   37        64      1962
 MINIMUM TEMPERATURE (F)   22       -11      1983


SUNRISE AND SUNSET
DECEMBER 17 2017......SUNRISE   714 AM CST   SUNSET   436 PM CST
DECEMBER 18 2017......SUNRISE   715 AM CST   SUNSET   436 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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