Climatological Report (Monthly)
Issued by NWS

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CXUS53 KILX 011613
CLMDEC


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

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

...THE DECATUR 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            54   12/26        MM      MM       63
LOWEST              9   12/31        MM      MM        2
AVG. MAXIMUM     39.5              38.8     0.7     37.1
AVG. MINIMUM     28.4              22.9     5.5     19.6
MEAN             34.0              30.8     3.2     28.4
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      5               8.0    -3.0       13
DAYS MIN <= 32     20              24.5    -4.5       27
DAYS MIN <= 0       0               0.9    -0.9        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           2.01              2.54   -0.53     1.54
DAILY AVG.       0.06              0.08   -0.02     0.05
DAYS >= .01         9                MM      MM        5
DAYS >= .10         5                MM      MM        3
DAYS >= .50         2                MM      MM        1
DAYS >= 1.00        0                MM      MM        0
GREATEST
 24 HR. TOTAL    0.74   12/22 TO 12/22              0.94

DEGREE_DAYS
HEATING TOTAL     952              1058    -106     1127
 SINCE 7/1       2225              2139      86     2275
COOLING TOTAL       0                 0       0        0
 SINCE 1/1       1011              1048     -37     1079
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.3
HIGHEST WIND SPEED/DIRECTION    29/280    DATE  12/16
HIGHEST GUST SPEED/DIRECTION    38/290    DATE  12/16

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            8
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY         18

AVERAGE RH (PERCENT)     80

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       3
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                4     SLEET                      0
FOG                      22     FOG W/VIS <= 1/4 MILE      3
HAZE                     10

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

$$

JRP


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