Climatological Report (Seasonal)
Issued by NWS

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CXUS53 KILX 011645
CLSDEC

CHICLMDEC 000
TTAA00 KILX 011641


CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1029 AM CST TUE MAR 1 2011

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

...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2010 TO 2/28/2011...

CLIMATE NORMAL PERIOD 9999 TO 9999
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   02/20        MM      MM       56
                        02/17
LOWEST             -4   01/21        MM      MM       -7
AVG. MAXIMUM     33.3                MM      MM     31.8
AVG. MINIMUM     19.8                MM      MM     18.8
MEAN             26.6                MM      MM     25.3
DAYS MAX >= 90      0                MM      MM        0
DAYS MAX <= 32     49                MM      MM       41
DAYS MIN <= 32     82                MM      MM       82
DAYS MIN <= 0       3                MM      MM        6

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS             MMR               MM      MM     5.99
DAILY AVG.         MM                               0.07
DAYS >= .01        MM                MM      MM       21
DAYS >= .10        MM                MM      MM       12
DAYS >= .50        MM                MM      MM        4
DAYS >= 1.00       MM                MM      MM        1
GREATEST
 24 HR. TOTAL  999.00   MM                          1.44

DEGREE_DAYS
HEATING TOTAL    3369                MM      MM     3551
 SINCE 7/1       4307                MM      MM     4561
COOLING TOTAL       0                MM      MM        0
 SINCE 1/1          0                MM      MM        0

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

WIND (MPH)
AVERAGE WIND SPEED              10.4
HIGHEST WIND SPEED/DIRECTION    41/050    DATE  02/01
HIGHEST GUST SPEED/DIRECTION    51/050    DATE  02/01

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM

NUMBER OF DAYS FAIR           26
NUMBER OF DAYS PC             23
NUMBER OF DAYS CLOUDY         40

AVERAGE RH (PERCENT)     76

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       6
LIGHT RAIN               14     FREEZING RAIN              3
LT FREEZING RAIN          6     HAIL                       0
HEAVY SNOW                1     SNOW                       7
LIGHT SNOW               29     SLEET                      0
FOG                      60     FOG W/VIS <= 1/4 MILE      6
HAZE                     42

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

$$





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