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000
CXUS51 KILN 010633
CF6DAY

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

                                          STATION:   DAYTON OH
                                          MONTH:     DECEMBER
                                          YEAR:      2009
                                          LATITUDE:   39 54 N
                                          LONGITUDE:  84 12 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  51  30  41   5  24   0 0.00  0.0    0 10.9 17 220   M    M   1        22 220
 2  46  33  40   4  25   0 0.51  0.0    0  8.2 20 290   M    M   7 1      23 300
 3  41  32  37   1  28   0    T  0.0    0 13.6 23 280   M    M  10 1      30 280
 4  32  22  27  -8  38   0 0.00  0.0    0  7.4 16 270   M    M   3        20 290
 5  29  20  25 -10  40   0 0.00  0.0    0  3.4 14 270   M    M   4 8      17 270
 6  34  18  26  -8  39   0 0.00  0.0    0  7.6 13 160   M    M   4        16 160
 7  34  25  30  -4  35   0    T    T    0  6.9 17 260   M    M   9 18     20 250
 8  39  31  35   1  30   0 0.48  0.0    0 13.8 28 120   M    M  10 148    36 120
 9  52  21  37   4  28   0 0.27    T    0 25.7 44 250   M    M  10 18     56 250
10  21  15  18 -15  47   0    T  0.3    0 21.4 32 260   M    M   7 18     40 250
11  33  15  24  -9  41   0 0.00  0.0    0 12.9 21 240   M    M   0        26 250
12  40  18  29  -3  36   0 0.01  0.0    0  8.4 15 170   M    M   4        20 150
13  41  33  37   5  28   0 0.62  0.0    0  9.7 20 180   M    M   9 1      25 170
14  55  37  46  14  19   0 0.00  0.0    0 12.8 24 190   M    M   9        32 190
15  43  19  31   0  34   0 0.00  0.0    0 13.1 22 290   M    M  10 18     28 290
16  29  14  22  -9  43   0 0.00  0.0    0  5.5 10 290   M    M   1        13 300
17  38  19  29  -2  36   0 0.00  0.0    0  6.9 13 170   M    M   5        15 170
18  40  27  34   3  31   0 0.00  0.0    0  5.7 12 150   M    M   9        14 150
19  34  28  31   1  34   0 0.17  2.4    2  9.1 16  20   M    M  10 1      20  20
20  32  26  29  -1  36   0 0.01  0.1    1  5.3 12 330   M    M   9 18     13 330
21  30  28  29  -1  36   0 0.02  0.4    1  5.6 13 270   M    M  10 18     16 250
22  32  29  31   2  34   0 0.04  0.4    1  5.4 13  90   M    M  10 18     17  70
23  33  28  31   2  34   0 0.02  0.3    1 11.6 18 100   M    M  10 168    24 100
24  41  27  34   5  31   0    T  0.0    0 14.3 21 120   M    M   8 6      26 120
25  49  32  41  12  24   0 0.60  0.0    0 21.9 36 120   M    M  10 1      47 120
26  38  29  34   5  31   0    T    T    0 13.2 25 180   M    M   8        32 180
27  35  20  28   0  37   0 0.06  1.4    0 11.4 25 270   M    M  10 1      32 260
28  28  18  23  -5  42   0    T  0.1    2 18.6 28 330   M    M   9 18     32 320
29  26  16  21  -7  44   0    T    T    1  6.6 18 310   M    M   6        24 330
30  37  18  28   0  37   0    T    T    1  8.4 18 190   M    M   7        22 200
31  37  28  33   6  32   0 0.14  0.6    1  9.5 18 190   M    M  10 12     22 200
================================================================================
SM 1150  756      1054   0  2.95     6.0 334.8          M      229
================================================================================
AV 37.1 24.4                              10.8 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->  # 44 250               # 56  250
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:  DAYTON OH
                                          MONTH:    DECEMBER
                                          YEAR:     2009
                                          LATITUDE:   39 54 N
                                          LONGITUDE:  84 12 W

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

AVERAGE MONTHLY: 30.7   TOTAL FOR MONTH:   2.95    1 = FOG OR MIST
DPTR FM NORMAL:  -0.7   DPTR FM NORMAL:   -0.13    2 = FOG REDUCING VISIBILITY
HIGHEST:    55 ON 14    GRTST 24HR  0.75 ON  8- 9      TO 1/4 MILE OR LESS
LOWEST:     14 ON 16                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   6.0 INCHES  5 = HAIL
                        GRTST 24HR   2.4 ON 19     6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   2 ON 28,19  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:   9    0.01 INCH OR MORE:  13
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   7
MIN 32 OR BELOW:  28    0.50 INCH OR MORE:   3
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.  1054    CLEAR  (SCALE 0-3)   4
DPTR FM NORMAL    27    PTCLDY (SCALE 4-7)   9
TOTAL FM JUL 1  2115    CLOUDY (SCALE 8-10) 18
DPTR FM NORMAL   -39

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1   734    HIGHEST SLP 30.59 ON 16
DPTR FM NORMAL  -201    LOWEST  SLP 29.08 ON  9

[REMARKS]
#FINAL-12-09#