Climatological Report (Seasonal)
Issued by NWS

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CXUS53 KILX 011420 RRA
CLSDEC

CHICLMDEC 000
TTAA00 KILX 011418


CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
901 AM CDT THU JUN 1 2017

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

...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2017 TO 5/31/2017...

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            87   05/18        MM      MM       85
LOWEST             16   03/15        MM      MM       18
AVG. MAXIMUM     64.7              63.1     1.6     65.6
AVG. MINIMUM     44.1              41.7     2.4     44.2
MEAN             54.4              52.4     2.0     54.9
DAYS MAX >= 90      0               0.7    -0.7        0
DAYS MAX <= 32      2               1.3     0.7        0
DAYS MIN <= 32     15              21.9    -6.9       14
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS          16.83             10.73    6.10     9.67
DAILY AVG.       0.19                               0.10
DAYS >= .01        37                MM      MM       35
DAYS >= .10        21                MM      MM       21
DAYS >= .50        13                MM      MM        6
DAYS >= 1.00        8                MM      MM        0
GREATEST
 24 HR. TOTAL    2.90   MM                          1.08

DEGREE_DAYS
HEATING TOTAL    1052              1247    -195      993
 SINCE 7/1       4411              5504   -1093     4485
COOLING TOTAL      97                87      10       90
 SINCE 1/1         97                87      10       90

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

WIND (MPH)
AVERAGE WIND SPEED              11.6
HIGHEST WIND SPEED/DIRECTION    37/200    DATE  03/07
HIGHEST GUST SPEED/DIRECTION    50/270    DATE  03/07

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           46
NUMBER OF DAYS PC             27
NUMBER OF DAYS CLOUDY         19

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             21     MIXED PRECIP               0
HEAVY RAIN               12     RAIN                      19
LIGHT RAIN               37     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                2     SLEET                      0
FOG                      39     FOG W/VIS <= 1/4 MILE      1
HAZE                      3

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

$$


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