Climatological Report (Seasonal)
Issued by NWS

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000
CXUS53 KILX 011743
CLSDEC

CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1152 AM CDT THU SEP 1 2011

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

...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR THE SUMMER SEASON, FROM
6/1/2011 TO 8/31/2011...

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            99   07/21        MM      MM       97
LOWEST             50   06/13        MM      MM       54
AVG. MAXIMUM     87.7              84.5     3.2     88.1
AVG. MINIMUM     65.9              63.1     2.8     68.1
MEAN             76.8              73.8     3.0     78.1
DAYS MAX >= 90     37              17.4    19.6       33
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.0     0.0        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           8.15             11.86   -3.71    16.34
DAILY AVG.       0.09                               0.19
DAYS >= .01        23                MM      MM       26
DAYS >= .10        15                MM      MM       21
DAYS >= .50         4                MM      MM       10
DAYS >= 1.00        2                MM      MM        5
GREATEST
 24 HR. TOTAL    2.30   06/14 TO 06/15              3.27

DEGREE_DAYS
HEATING TOTAL       1                22     -21        0
 SINCE 7/1          0                 6      -6        0
COOLING TOTAL    1094               832     262     1193
 SINCE 1/1       1231               918     313     1325

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

WIND (MPH)
AVERAGE WIND SPEED              7.0
HIGHEST WIND SPEED/DIRECTION    43/230    DATE  06/10
HIGHEST GUST SPEED/DIRECTION    63/360    DATE  08/08

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.10
NUMBER OF DAYS FAIR           81
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             17     MIXED PRECIP               0
HEAVY RAIN                8     RAIN                      14
LIGHT RAIN               36     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      46     FOG W/VIS <= 1/4 MILE      3
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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