Climatological Report (Seasonal)
Issued by NWS

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000
CXUS53 KILX 011743
CLSMTO

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

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

...THE MATTOON 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            98   07/21        MM      MM       96
LOWEST             52   06/13        MM      MM       53
AVG. MAXIMUM     86.7              84.2     2.5     86.7
AVG. MINIMUM     66.1              63.4     2.7     66.7
MEAN             76.4              73.8     2.6     76.7
DAYS MAX >= 90     31              14.4    16.6       26
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.1    -0.1        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           7.45             11.55   -4.10    14.27
DAILY AVG.       0.08                               0.16
DAYS >= .01        20                MM      MM       30
DAYS >= .10        12                MM      MM       19
DAYS >= .50         6                MM      MM       13
DAYS >= 1.00        2                MM      MM        4
GREATEST
 24 HR. TOTAL    1.26   06/27 TO 06/27              2.75

DEGREE_DAYS
HEATING TOTAL       0                21     -21        0
 SINCE 7/1          0                 5      -5        0
COOLING TOTAL    1061               833     228     1087
 SINCE 1/1       1193               920     273     1234

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

WIND (MPH)
AVERAGE WIND SPEED              6.1
HIGHEST WIND SPEED/DIRECTION    32/020    DATE  07/24
HIGHEST GUST SPEED/DIRECTION    51/190    DATE  06/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           77
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             21     MIXED PRECIP               0
HEAVY RAIN                9     RAIN                      11
LIGHT RAIN               37     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      45     FOG W/VIS <= 1/4 MILE      2
HAZE                     15

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

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