Climatological Report (Monthly)
Issued by NWS

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000
CXUS53 KILX 011947 CCA
CLMDEC

CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1227 PM CDT WED NOV 1 2017

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

...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER
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            85   10/14        MM      MM       86
LOWEST             27   10/29        MM      MM       36
AVG. MAXIMUM     67.8              65.9     1.9     72.1
AVG. MINIMUM     48.6              43.0     5.6     49.8
MEAN             58.2              54.5     3.7     60.9
DAYS MAX >= 90      0               0.3    -0.3        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      3               2.9     0.1        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           4.90              3.28    1.62     2.58
DAILY AVG.       0.16              0.11    0.05     0.08
DAYS >= .01        12                MM      MM        8
DAYS >= .10         8                MM      MM        5
DAYS >= .50         4                MM      MM        2
DAYS >= 1.00        1                MM      MM        1
GREATEST
 24 HR. TOTAL    1.23   10/10 TO 10/10              1.05

DEGREE_DAYS
HEATING TOTAL     254               345     -91      175
 SINCE 7/1        297               418    -121      186
COOLING TOTAL      51                19      32       57
 SINCE 1/1       1120              1048      72     1421
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.9
HIGHEST WIND SPEED/DIRECTION    33/200    DATE  10/07
HIGHEST GUST SPEED/DIRECTION    44/210    DATE  10/07

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC              4
NUMBER OF DAYS CLOUDY         13

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       6
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      12     FOG W/VIS <= 1/4 MILE      2
HAZE                      1

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

$$



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