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000
CXUS51 KLWX 010620
CF6IAD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   WASHINGTON DULLES DC
                                          MONTH:     JULY
                                          YEAR:      2010
                                          LATITUDE:   38 57 N
                                          LONGITUDE:  77 27 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  79  59  69  -5   0   4 0.00  0.0    0  9.2 20 340   M    M   3        24 330
 2  81  53  67  -8   0   2 0.00  0.0    0  4.7 14  10   M    M   3        21 340
 3  87  52  70  -5   0   5 0.00  0.0    0  2.8 10 190   M    M   2        14 220
 4  95  57  76   1   0  11 0.00  0.0    0  3.2 13 180   M    M   1        15 170
 5  96  64  80   5   0  15 0.00  0.0    0  3.1 13 320   M    M   4 18     17 320
 6 100  69  85  10   0  20 0.00  0.0    0  3.5 13 320   M    M   1 18     21 360
 7 101  73  87  12   0  22 0.00  0.0    0  5.0 14  20   M    M   4 8      20 310
 8  95  78  87  12   0  22 0.00  0.0    0  5.8 15 110   M    M   5 8      20 110
 9  91  74  83   7   0  18    T  0.0    0  5.2 17 290   M    M   8        23 290
10  84  71  78   2   0  13 0.61  0.0    0  9.5 20 350   M    M   8 1      26 350
11  90  64  77   1   0  12 0.00  0.0    0  3.5 14 280   M    M   3        20 350
12  84  65  75  -1   0  10 0.41  0.0    0  5.2 24 240   M    M   7 13     32 240
13  85  71  78   2   0  13 0.75  0.0    0  2.8 20 210   M    M   9 123    24 220
14  88  71  80   4   0  15 0.02  0.0    0  9.8 24 330   M    M   7 13     32 320
15  91  69  80   4   0  15 0.00  0.0    0  3.6 16 110   M    M   5 18     21 100
16  96  71  84   8   0  19 0.30  0.0    0  4.6 14  70   M    M   4 138    21 240
17  92  71  82   6   0  17 0.00  0.0    0  5.5 14 220   M    M   6 1      18 220
18  92  71  82   6   0  17 0.56  0.0    0  5.8 33 200   M    M   6 3      47 200
19  91  71  81   5   0  16 0.52  0.0    0  6.3 39 310   M    M   7 123    48 320
20  90  69  80   4   0  15    T  0.0    0  6.0 24 220   M    M   7 18     32 210
21  90  73  82   6   0  17    T  0.0    0  5.0 13 280   M    M   7        20 330
22  95  72  84   8   0  19 0.00  0.0    0  6.0 14 300   M    M   5        24 270
23  96  68  82   6   0  17 0.00  0.0    0  5.2 15 230   M    M   5        20 200
24  99  78  89  13   0  24 0.00  0.0    0  6.8 15 210   M    M   3        20 280
25  98  74  86  10   0  21 0.46  0.0    0  6.0 38 320   M    M   4 138    51 320
26  88  67  78   2   0  13 0.00  0.0    0  5.9 14 290   M    M   6        18 280
27  87  62  75  -1   0  10 0.00  0.0    0  5.3 16 190   M    M   4        20 170
28  93  71  82   6   0  17 0.00  0.0    0  6.3 12 190   M    M   5 18     16 140
29  92  73  83   7   0  18 0.46  0.0    0  5.0 35 320   M    M   6 123    45 310
30  85  66  76   0   0  11 0.00  0.0    0  5.2 14 350   M    M   5        21 350
31  85  63  74  -2   0   9 0.08  0.0    0  4.6 14 200   M    M   8 18     18 160
================================================================================
SM 2816 2110         0 457  4.17     0.0 166.4          M      158
================================================================================
AV 90.8 68.1                               5.4 FASTST   M    M   5    MAX(MPH)
                                 MISC ---->  # 39 310               # 51  320
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:  WASHINGTON DULLES DC
                                          MONTH:    JULY
                                          YEAR:     2010
                                          LATITUDE:   38 57 N
                                          LONGITUDE:  77 27 W

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

AVERAGE MONTHLY: 79.5   TOTAL FOR MONTH:   4.17    1 = FOG OR MIST
DPTR FM NORMAL:   3.8   DPTR FM NORMAL:    0.60    2 = FOG REDUCING VISIBILITY
HIGHEST:   101 ON  7    GRTST 24HR  1.08 ON 18-19      TO 1/4 MILE OR LESS
LOWEST:     52 ON  3                               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:  20    0.10 INCH OR MORE:   8
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.     0    CLEAR  (SCALE 0-3)   6
DPTR FM NORMAL    -1    PTCLDY (SCALE 4-7)  23
TOTAL FM JUL 1     0    CLOUDY (SCALE 8-10)  2
DPTR FM NORMAL    -1

[CDD (BASE 65) ]
TOTAL THIS MO.   457
DPTR FM NORMAL   112    [PRESSURE DATA]
TOTAL FM JAN 1  1006    HIGHEST SLP M ON M
DPTR FM NORMAL   383    LOWEST  SLP 29.78 ON 25

[REMARKS]
#FINAL-07-10#