Climatological Report (Monthly)
Issued by NWS

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000
CXUS53 KILX 011508
CLMMTO


CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
903 AM CST WED JAN 1 2014

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

...THE MATTOON 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            63   12/04        MM      MM       70
LOWEST              0   12/12        MM      MM       13
AVG. MAXIMUM     36.3              38.4    -2.1     44.6
AVG. MINIMUM     20.9              24.2    -3.3     31.9
MEAN             28.6              31.3    -2.7     38.3
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     15               8.2     6.8        5
DAYS MIN <= 32     25              23.8     1.2       17
DAYS MIN <= 0       1               0.6     0.4        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           1.59              2.77   -1.18     3.72
DAILY AVG.       0.05              0.09   -0.04     0.12
DAYS >= .01         6                MM      MM       13
DAYS >= .10         3                MM      MM        7
DAYS >= .50         1                MM      MM        2
DAYS >= 1.00        1                MM      MM        2
GREATEST
 24 HR. TOTAL    1.27   12/20 TO 12/21              1.33

DEGREE_DAYS
HEATING TOTAL    1124              1044      80      793
 SINCE 7/1       2241              2103     138     1958
COOLING TOTAL       0                 0       0        0
 SINCE 1/1       1007              1057     -50     1382
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.3
HIGHEST WIND SPEED/DIRECTION    25/300    DATE  12/29
HIGHEST GUST SPEED/DIRECTION    31/190    DATE  12/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           11
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY         13

AVERAGE RH (PERCENT)     79

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN                6     FREEZING RAIN              1
LT FREEZING RAIN          3     HAIL                       0
HEAVY SNOW                1     SNOW                       3
LIGHT SNOW               14     SLEET                      0
FOG                      18     FOG W/VIS <= 1/4 MILE      4
HAZE                      5

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

$$



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