WFO Monthly/Daily Climate Data
Issued by NWS

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340
CXUS53 KILX 241000
CF6DEC
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   DECATUR IL AIRPORT
                                          MONTH:     DECEMBER
                                          YEAR:      2025
                                          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  26  14  20 -17  45   0    M    M    M  3.7 13 300   M    M   7 12     17 310
 2  23  17  20 -16  45   0 0.00    M    M 11.0 17 210   M    M  10 18     22 320
 3  32  20  26 -10  39   0 0.00    M    M 13.2 20 200   M    M   8 1      26 200
 4  26   1  14 -22  51   0 0.00    M    M  7.2 20 340   M    M   1        27 340
 5  29  -1  14 -22  51   0 0.00    M    M  7.9 16 190   M    M   3        22 180
 6  35  25  30  -5  35   0 0.00    M    M  7.4 14 120   M    M   5 18     17 120
 7  36  17  27  -8  38   0 0.00    M    M 12.0 22  10   M    M  10 1      29  30
 8  23  11  17 -17  48   0 0.00    M    M  6.9 14 170   M    M   1        19 160
 9  40  23  32  -2  33   0 0.00    M    M 18.4 28 210   M    M   4        41 200
10  42  29  36   2  29   0 0.02    M    M 17.4 28 320   M    M  10 18     38 310
11  29  26  28  -6  37   0    M    M    M  7.3 21 300   M    M  10 1      29 310
12  31  24  28  -5  37   0    M    M    M  7.9 15  60   M    M  10 18     24  30
13  29   1  15 -18  50   0    M    M    M 12.4 18 330   M    M   8 128    25 330
14   3 -14  -5 -38  70   0 0.00    M    M  7.3 15 300   M    M   0 8      24 300
15  27 -12   8 -24  57   0 0.00    M    M 11.1 24 190   M    M   0 8      32 200
16  42  21  32   0  33   0 0.00    M    M 14.1 24 200   M    M   0        32 190
17  45  33  39   7  26   0 0.00    M    M  9.9 18 220   M    M   1        27 180
18  54  24  39   7  26   0 0.35    M    M 17.1 31 180   M    M   9 1      43 180
19  30  19  25  -7  40   0    T    M    M 14.6 28 280   M    M   4        40 270
20  47  28  38   7  27   0 0.00    M    M 13.9 23 210   M    M   0        33 180
21  39  22  31   0  34   0 0.00    M    M  6.1 14 160   M    M   0        19 140
22  47  23  35   4  30   0 0.00    M    M 10.8 18 210   M    M   4        25 210
23  60  31  46  16  19   0 0.00    M    M  7.8 16 220   M    M   0 12     28 320
================================================================================
SM  795  382       900   0  0.37    M    245.4          M      105
================================================================================
AV 34.6 16.6                              10.7 FASTST   M    M   5    MAX(MPH)
                                 MISC ---->    31 180                 43 180
================================================================================
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:      2025
                                          LATITUDE:   39 49 N
                                          LONGITUDE:  88 51 W

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

AVERAGE MONTHLY: 25.6   TOTAL FOR MONTH:   0.37    1 = FOG OR MIST
DPTR FM NORMAL:  -7.8   DPTR FM NORMAL:   -1.19    2 = FOG REDUCING VISIBILITY
HIGHEST:    60 ON 23    GRTST 24HR  0.35 ON 18-18      TO 1/4 MILE OR LESS
LOWEST:    -14 ON 14                               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:  12    0.01 INCH OR MORE:   2
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   1
MIN 32 OR BELOW:  22    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   3    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   900    CLEAR  (SCALE 0-3)  10
DPTR FM NORMAL   176    PTCLDY (SCALE 4-7)   6
TOTAL FM JUL 1  1786    CLOUDY (SCALE 8-10)  7
DPTR FM NORMAL    -2

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1  1479    HIGHEST SLP M ON M
DPTR FM NORMAL   374    LOWEST  SLP 29.39 ON 18

[REMARKS]