Climatological Report (Seasonal)
Issued by NWS

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CXUS53 KILX 011725
CLSMTO

CHICLMMTO 000
TTAA00 KILX 011714


CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1103 AM CST FRI DEC 1 2017

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

...THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2017 TO 11/30/2017...

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            95   09/21        MM      MM       89
LOWEST             21   11/22        MM      MM       22
                        11/10
AVG. MAXIMUM     67.6              65.2     2.4     69.6
AVG. MINIMUM     46.7              44.7     2.0     49.9
MEAN             57.2              54.9     2.3     59.8
DAYS MAX >= 90      7               1.2     5.8        0
DAYS MAX <= 32      0               1.0    -1.0        0
DAYS MIN <= 32     15              15.7    -0.7        6
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           8.54              9.38   -0.84     7.54
DAILY AVG.       0.10                               0.08
DAYS >= .01        24                MM      MM       20
DAYS >= .10        11                MM      MM       16
DAYS >= .50         6                MM      MM        6
DAYS >= 1.00        3                MM      MM        0
GREATEST
 24 HR. TOTAL    2.61   MM                          1.83

DEGREE_DAYS
HEATING TOTAL     929              1054    -125      706
 SINCE 7/1        930              1059    -129      711
COOLING TOTAL     237               137     100      253
 SINCE 1/1       1162              1057     105     1316

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

WIND (MPH)
AVERAGE WIND SPEED              8.6
HIGHEST WIND SPEED/DIRECTION    36/340    DATE  11/18
HIGHEST GUST SPEED/DIRECTION    45/350    DATE  11/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           50
NUMBER OF DAYS PC             22
NUMBER OF DAYS CLOUDY         19

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              7     MIXED PRECIP               0
HEAVY RAIN                9     RAIN                      16
LIGHT RAIN               31     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      38     FOG W/VIS <= 1/4 MILE      5
HAZE                      4

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

$$


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