Climatological Report (Monthly)
Issued by NWS

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CXUS53 KILX 011613
CLMMTO


CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1005 AM CST THU JAN 1 2015

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

...THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2014...

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            52   12/26        MM      MM       63
LOWEST              9   12/31        MM      MM        0
AVG. MAXIMUM     39.2              38.4     0.8     36.3
AVG. MINIMUM     28.5              24.2     4.3     20.9
MEAN             33.8              31.3     2.5     28.6
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      7               8.2    -1.2       15
DAYS MIN <= 32     22              23.8    -1.8       25
DAYS MIN <= 0       0               0.6    -0.6        1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           1.08              2.77   -1.69     1.59
DAILY AVG.       0.03              0.09   -0.06     0.05
DAYS >= .01         8                MM      MM        6
DAYS >= .10         4                MM      MM        3
DAYS >= .50         0                MM      MM        1
DAYS >= 1.00        0                MM      MM        1
GREATEST
 24 HR. TOTAL    0.59   12/05 TO 12/06              1.27

DEGREE_DAYS
HEATING TOTAL     961              1044     -83     1124
 SINCE 7/1       2257              2103     154     2241
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        932              1057    -125     1007
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.9
HIGHEST WIND SPEED/DIRECTION    28/280    DATE  12/16
HIGHEST GUST SPEED/DIRECTION    35/280    DATE  12/16

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY         18

AVERAGE RH (PERCENT)     81

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       5
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                4     SLEET                      0
FOG                      18     FOG W/VIS <= 1/4 MILE      2
HAZE                      5

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

$$

JRP


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