Climatological Report (Monthly)
Issued by NWS

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CXUS53 KILX 010748 RRB
CLMMTO

CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1238 AM CST WED JAN 1 2020

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

...THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2019...

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            64   12/26        MM      MM       60
LOWEST              8   12/18        MM      MM       12
AVG. MAXIMUM     44.7              38.4     6.3     42.8
AVG. MINIMUM     27.6              24.2     3.4     28.2
MEAN             36.2              31.3     4.9     35.5
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      5               8.2    -3.2        6
DAYS MIN <= 32     22              23.8    -1.8       22
DAYS MIN <= 0       0               0.6    -0.6        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           1.53              2.77   -1.24     2.28
DAILY AVG.       0.05              0.09   -0.04     0.08
DAYS >= .01         5                MM      MM        7
DAYS >= .10         3                MM      MM        3
DAYS >= .50         1                MM      MM        2
DAYS >= 1.00        1                MM      MM        0
GREATEST
 24 HR. TOTAL    1.03   12/29 TO 12/29              0.90

DEGREE_DAYS
HEATING TOTAL     886              1044    -158      903
 SINCE 7/1       2012              2103     -91     2155
COOLING TOTAL       0                 0       0        0
 SINCE 1/1       1256              1057     199     1485
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.6
HIGHEST WIND SPEED/DIRECTION    33/310    DATE  12/09
HIGHEST GUST SPEED/DIRECTION    42/260    DATE  12/31

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       3
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW                6     SLEET                      0
FOG                      17     FOG W/VIS <= 1/4 MILE      4
HAZE                      8

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

$$


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