000
CXUS51 KILN 010557
CF6DAY

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

                                          STATION:   DAYTON OH
                                          MONTH:     MAY
                                          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  72  50  61   5   4   0 0.79  0.0    0  9.3 24 310   M    M   8 1      30 320
 2  64  44  54  -2  11   0 0.00  0.0    0  4.6 14 280   M    M   7        20 290
 3  68  51  60   3   5   0 0.00  0.0    0  2.9 12 350   M    M   9        21  80
 4  70  52  61   4   4   0 0.00  0.0    0  7.6 16  40   M    M   9        23  70
 5  72  48  60   3   5   0 0.00  0.0    0  5.8 10  10   M    M   7        21  20
 6  65  51  58   0   7   0 0.70  0.0    0  6.5 16 100   M    M   7 12     18 110
 7  71  48  60   2   5   0 0.00  0.0    0  7.0 16 230   M    M   8 12     22 210
 8  70  58  64   6   1   0 0.02  0.0    0  6.9 13 220   M    M   9 1      23  10
 9  67  48  58  -1   7   0 0.00  0.0    0 15.6 33 280   M    M   6 1      43 260
10  65  47  56  -3   9   0 0.00  0.0    0  7.0 18 320   M    M   6        21 320
11  65  48  57  -3   8   0 0.00  0.0    0  8.5 20 310   M    M   6        24 320
12  68  40  54  -6  11   0 0.00  0.0    0  4.3 12 140   M    M   1        14 150
13  66  52  59  -1   6   0 0.91  0.0    0 14.9 35 200   M    M   8 138    43 200
14  72  54  63   2   2   0 0.69  0.0    0 12.3 30 230   M    M   6 13     38 240
15  79  48  64   3   1   0 0.00  0.0    0  7.5 21 170   M    M   5        30 180
16  69  48  59  -2   6   0 0.20  0.0    0 13.6 29 300   M    M   8 18     38 290
17  61  39  50 -12  15   0 0.00  0.0    0  9.0 18  20   M    M   2        24  20
18  66  38  52 -10  13   0 0.00  0.0    0  3.5 20  20   M    M   0        30  20
19  73  44  59  -3   6   0 0.00  0.0    0  6.1 13 210   M    M   2        20 210
20  81  50  66   3   0   1 0.00  0.0    0  7.4 17 140   M    M   0        26 130
21  83  53  68   5   0   3 0.00  0.0    0  5.8 13 200   M    M   1 8      25 270
22  85  61  73  10   0   8 0.00  0.0    0  2.9 15  50   M    M   6        18  50
23  86  57  72   8   0   7 0.00  0.0    0  2.3  8 340   M    M   5        10 350
24  86  62  74  10   0   9 0.00  0.0    0  3.2 15 100   M    M   4        21  20
25  80  61  71   7   0   6 0.00  0.0    0  9.6 17  40   M    M   6        23  50
26  84  63  74   9   0   9 0.05  0.0    0  8.6 21 170   M    M   7 3      25 170
27  82  67  75  10   0  10 0.17  0.0    0  9.3 37 230   M    M   4 38     51 230
28  77  60  69   4   0   4 0.23  0.0    0  8.9 21 270   M    M   8 18     29 270
29  78  55  67   2   0   2    T  0.0    0 10.8 17 290   M    M   7        23 270
30  77  52  65  -1   0   0 0.03  0.0    0  4.6 16 210   M    M   5 3      20 210
31  73  56  65  -1   0   0 0.00  0.0    0  7.2 15 360   M    M   1        20 350
================================================================================
SM 2275 1605       126  59  3.79     0.0 233.5          M      168
================================================================================
AV 73.4 51.8                               7.5 FASTST   M    M   5    MAX(MPH)
                                 MISC ---->  # 37 230               # 51  230
================================================================================
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:    MAY
                                          YEAR:     2009
                                          LATITUDE:   39 54 N
                                          LONGITUDE:  84 12 W

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

AVERAGE MONTHLY: 62.6   TOTAL FOR MONTH:   3.79    1 = FOG OR MIST
DPTR FM NORMAL:   1.4   DPTR FM NORMAL:   -0.38    2 = FOG REDUCING VISIBILITY
HIGHEST:    86 ON 24,23 GRTST 24HR  1.57 ON 13-14      TO 1/4 MILE OR LESS
LOWEST:     38 ON 18                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   0.0 INCH    5 = HAIL
                        GRTST 24HR     0.0         6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   0           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:   0    0.01 INCH OR MORE:  10
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   7
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   4
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   126    CLEAR  (SCALE 0-3)   7
DPTR FM NORMAL   -41    PTCLDY (SCALE 4-7)  20
TOTAL FM JUL 1  5594    CLOUDY (SCALE 8-10)  4
DPTR FM NORMAL   -72

[CDD (BASE 65) ]
TOTAL THIS MO.    59
DPTR FM NORMAL    -3    [PRESSURE DATA]
TOTAL FM JAN 1    95    HIGHEST SLP 30.43 ON 19
DPTR FM NORMAL    22    LOWEST  SLP 29.65 ON  8

[REMARKS]
#FINAL-05-09#