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577
CXUS53 KILX 011440
CLSDEC

CHICLMDEC 000
TTAA00 KILX 011439


CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
931 AM CDT SUN JUN 1 2014

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

...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2014 TO 5/31/2014...

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            89   05/21        MM      MM       87
LOWEST              2   03/03        MM      MM       15
AVG. MAXIMUM     62.8              63.1    -0.3     60.1
AVG. MINIMUM     40.9              41.7    -0.8     40.7
MEAN             51.8              52.4    -0.6     50.4
DAYS MAX >= 90      0               0.7    -0.7        0
DAYS MAX <= 32      2               1.3     0.7        3
DAYS MIN <= 32     30              21.9     8.1       31
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           8.54             10.73   -2.19    13.67
DAILY AVG.       0.09                               0.15
DAYS >= .01        29                MM      MM       38
DAYS >= .10        20                MM      MM       22
DAYS >= .50         6                MM      MM        9
DAYS >= 1.00        1                MM      MM        5
GREATEST
 24 HR. TOTAL    1.08   MM                          2.39

DEGREE_DAYS
HEATING TOTAL    1339              1247      92     1435
 SINCE 7/1       6151              5504     647     5405
COOLING TOTAL     145                87      58      112
 SINCE 1/1        145                87      58      112

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        MM
LATEST                          MM
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              11.2
HIGHEST WIND SPEED/DIRECTION    38/040    DATE  03/12
HIGHEST GUST SPEED/DIRECTION    46/050    DATE  03/16

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           60
NUMBER OF DAYS PC             17
NUMBER OF DAYS CLOUDY         15

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                9     RAIN                      13
LIGHT RAIN               35     FREEZING RAIN              0
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                4     SLEET                      0
FOG                      40     FOG W/VIS <= 1/4 MILE      1
HAZE                     20

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

$$







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