Climatological Report (Monthly)
Issued by NWS

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000
CXUS53 KILX 011521
CLMDEC


CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
919 AM CST SUN DEC 1 2013

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

...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2013...

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

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              MM   MM
 LOW               MM   MM
HIGHEST            73   11/17        MM      MM       MM
LOWEST             11   11/24        MM      MM       MM
AVG. MAXIMUM     48.9              51.5    -2.6       MM
AVG. MINIMUM     30.0              33.9    -3.9       MM
MEAN             39.4              42.7    -3.3       MM
DAYS MAX >= 90      0                MM      MM       MM
DAYS MAX <= 32      3                MM      MM       MM
DAYS MIN <= 32     18                MM      MM       MM
DAYS MIN <= 0       0                MM      MM       MM

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           1.07              3.51   -2.44       MM
DAILY AVG.       0.04              0.11   -0.07       MM
DAYS >= .01         8                MM      MM       MM
DAYS >= .10         4                MM      MM       MM
DAYS >= .50         0                MM      MM       MM
DAYS >= 1.00        0                MM      MM       MM
GREATEST
 24 HR. TOTAL    1.52   10/31 TO 12/01                MM

DEGREE_DAYS
HEATING TOTAL     759               692      67       MM
 SINCE 7/1       1148              1110      38       MM
COOLING TOTAL       0                 0       0       MM
 SINCE 1/1       1079              1048      31       MM
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.8
HIGHEST WIND SPEED/DIRECTION    44/200    DATE  11/17
HIGHEST GUST SPEED/DIRECTION    60/280    DATE  11/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           17
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       3
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     SLEET                      0
FOG                       7     FOG W/VIS <= 1/4 MILE      0
HAZE                      1

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

$$



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