WFO Monthly/Daily Climate Data
Issued by NWS

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000
CXUS53 KILX 110900
CF6DEC
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   DECATUR IL AIRPORT
                                          MONTH:     DECEMBER
                                          YEAR:      2017
                                          LATITUDE:   39 49 N
                                          LONGITUDE:  88 51 W

  TEMPERATURE IN F:       :PCPN:    SNOW:  WIND      :SUNSHINE: SKY     :PK WND
================================================================================
1   2   3   4   5  6A  6B    7    8   9   10  11  12  13   14  15   16   17  18
                                     12Z  AVG MX 2MIN
DY MAX MIN AVG DEP HDD CDD  WTR  SNW DPTH SPD SPD DIR MIN PSBL S-S WX    SPD DR
================================================================================

 1  52  26  39   3  26   0 0.00    M    M  2.8 10 220   M    M   0        12 230
 2  58  31  45  10  20   0 0.00    M    M  5.1 12 210   M    M   1 18     15 210
 3  60  27  44   9  21   0 0.00    M    M  8.1 22 170   M    M   0 18     28 180
 4  65  50  58  24   7   0 0.12    M    M 21.8 35 180   M    M   7 13     42 190
 5  50  27  39   5  26   0 0.00    M    M 14.0 26 280   M    M   1        37 280
 6  43  26  35   1  30   0    T    M    M 11.7 22 280   M    M   5        29 300
 7  31  19  25  -8  40   0 0.00    M    M 12.8 23 300   M    M   4        31 310
 8  35  14  25  -8  40   0 0.00    M    M 10.0 20 230   M    M   0        23 250
 9  34  23  29  -3  36   0    T    M    M 12.2 25 330   M    M   7 18     34 320
10  43  19  31  -1  34   0 0.00    M    M 10.8 23 240   M    M   2        30 240
================================================================================
SM  471  262       280   0  0.12    M    109.3          M       27
================================================================================
AV 47.1 26.2                              10.9 FASTST   M    M   3    MAX(MPH)
                                 MISC ---->  # 35 180               # 42  190
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2

                                          STATION:  DECATUR IL AIRPORT
                                          MONTH:    DECEMBER
                                          YEAR:     2017
                                          LATITUDE:   39 49 N
                                          LONGITUDE:  88 51 W

[TEMPERATURE DATA]      [PRECIPITATION DATA]       SYMBOLS USED IN COLUMN 16

AVERAGE MONTHLY: 36.7   TOTAL FOR MONTH:   0.12    1 = FOG OR MIST
DPTR FM NORMAL:   2.9   DPTR FM NORMAL:   -0.70    2 = FOG REDUCING VISIBILITY
HIGHEST:    65 ON  4    GRTST 24HR  0.15 ON 30- 1      TO 1/4 MILE OR LESS
LOWEST:     14 ON  8                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:    M          5 = HAIL
                        GRTST 24HR    M  ON   M    6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:  M  ON   M    7 = DUSTSTORM OR SANDSTORM:
                                                       VSBY 1/2 MILE OR LESS
                                                   8 = SMOKE OR HAZE
[NO. OF DAYS WITH]      [WEATHER - DAYS WITH]      9 = BLOWING SNOW
                                                   X = TORNADO
MAX 32 OR BELOW:   1    0.01 INCH OR MORE:   1
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   1
MIN 32 OR BELOW:   9    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   280    CLEAR  (SCALE 0-3)   6
DPTR FM NORMAL   -32    PTCLDY (SCALE 4-7)   4
TOTAL FM JUL 1  1222    CLOUDY (SCALE 8-10)  0
DPTR FM NORMAL  -171

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1  1120    HIGHEST SLP M ON M
DPTR FM NORMAL    72    LOWEST  SLP 29.53 ON  4

[REMARKS]


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