Climatological Report (Daily)
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557
CDUS43 KILX 152231
CLIDEC


CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
431 PM CST FRI DEC 15 2017


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

...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR DECEMBER 15 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 9999 TO 9999


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         38    136 PM  MM      MM  39     -1       16
  MINIMUM         22    443 AM  MM      MM  23     -1        6
  AVERAGE         30                        31     -1       11

PRECIPITATION (IN)
  TODAY            0.00         MM      MM   0.07  -0.07     0.00
  MONTH TO DATE    0.12                      1.19  -1.07     0.04
  SINCE DEC 1      0.12                      1.19  -1.07     0.04
  SINCE JAN 1     32.64                     37.10  -4.46    31.68

DEGREE DAYS
 HEATING
  TODAY           35                        34      1       54
  MONTH TO DATE  451                       481    -30      485
  SINCE DEC 1    451                       481    -30      485
  SINCE JUL 1   1393                      1562   -169     1181

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1120                      1048     72     1434
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED     9.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    81          1200 AM
 LOWEST     48           200 PM
 AVERAGE    65

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


THE DECATUR IL AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   38        MM        MM
 MINIMUM TEMPERATURE (F)   22        MM        MM


SUNRISE AND SUNSET
DECEMBER 15 2017......SUNRISE   710 AM CST   SUNSET   432 PM CST
DECEMBER 16 2017......SUNRISE   710 AM CST   SUNSET   432 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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