Climatological Report (Seasonal)
Issued by NWS

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000
CXUS53 KILX 011705
CLSDEC

CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1050 AM CST THU MAR 1 2018

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

...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR THE WINTER SEASON, FROM
12/1/2017 TO 2/28/2018...

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            66   02/20        MM      MM       73
LOWEST            -13   01/01        MM      MM       -2
AVG. MAXIMUM     38.3              37.7     0.6     43.0
AVG. MINIMUM     20.1              21.7    -1.6     26.2
MEAN             29.2              29.7    -0.5     34.6
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     30              26.7     3.3       22
DAYS MIN <= 32     73              74.8    -1.8       59
DAYS MIN <= 0      11               2.8     8.2        3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           5.25              6.26   -1.01     2.79
DAILY AVG.       0.09                               0.03
DAYS >= .01        15                MM      MM       21
DAYS >= .10         8                MM      MM        9
DAYS >= .50         2                MM      MM        0
DAYS >= 1.00        2                MM      MM        0
GREATEST
 24 HR. TOTAL    1.84   MM                          0.71

DEGREE_DAYS
HEATING TOTAL    3210              3176      34     2663
 SINCE 7/1       4152              4257    -105     3359
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0

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

WIND (MPH)
AVERAGE WIND SPEED              11.5
HIGHEST WIND SPEED/DIRECTION    37/280    DATE  02/24
HIGHEST GUST SPEED/DIRECTION    51/280    DATE  02/24

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           31
NUMBER OF DAYS PC             35
NUMBER OF DAYS CLOUDY         24

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       5
LIGHT RAIN               16     FREEZING RAIN              2
LT FREEZING RAIN          5     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW               24     SLEET                      0
FOG                      51     FOG W/VIS <= 1/4 MILE      4
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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