WFO Monthly/Daily Climate Data
Issued by NWS Sterling, VA

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000
CXUS51 KLWX 310620
CF6IAD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   WASHINGTON DULLES DC
                                          MONTH:     JULY
                                          YEAR:      2015
                                          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  85  65  75  -1   0  10 0.05  0.0    0  5.5 13 240   M    M   5 13     21 230
 2  74  62  68  -8   0   3    T  0.0    0  3.9 10 330   M    M   8 18     14 330
 3  79  59  69  -7   0   4 0.01  0.0    0  3.0 10 180   M    M   7 18     14 140
 4  81  68  75  -1   0  10 0.86  0.0    0  1.7 24 300   M    M   8 13     32 320
 5  81  65  73  -3   0   8 0.02  0.0    0  3.1  8 160   M    M   9 12     12 140
 6  84  72  78   2   0  13 0.50  0.0    0  5.1 17 170   M    M   8 1      22 160
 7  87  70  79   2   0  14 0.00  0.0    0  5.9 14 200   M    M   5 12     18 210
 8  88  73  81   4   0  16 1.60  0.0    0  5.2 14 190   M    M   8 1      17 200
 9  87  72  80   3   0  15    T  0.0    0  5.0 18 300   M    M   7        24 310
10  84  72  78   1   0  13    T  0.0    0  7.2 15 330   M    M   6        18 320
11  84  64  74  -3   0   9 0.05  0.0    0  4.6 13  10   M    M   6        20  10
12  86  61  74  -3   0   9    T  0.0    0  2.0  8 150   M    M   6        12 140
13  78  68  73  -4   0   8 0.21  0.0    0  2.9  8 150   M    M   8 1      13 150
14  87  70  79   2   0  14    T  0.0    0  5.8 16 330   M    M   8 128    22 320
15  85  66  76  -1   0  11    T  0.0    0  9.9 18  20   M    M   5        24  20
16  81  59  70  -7   0   5 0.00  0.0    0  5.3 14 360   M    M   4        20  20
17  81  61  71  -6   0   6 0.00  0.0    0  6.8 14 190   M    M   7        18 140
18  87  72  80   3   0  15 0.05  0.0    0  5.3 12 210   M    M   6 1      15 210
19  94  69  82   5   0  17 0.00  0.0    0  3.6  9 240   M    M   6 1      13 220
20  92  75  84   7   0  19 0.00  0.0    0  4.6 12 320   M    M   6        25 300
21  87  73  80   3   0  15    T  0.0    0  3.8 16 290   M    M   7        20 350
22  85  65  75  -2   0  10 0.00  0.0    0  7.9 16 290   M    M   3        21 290
23  83  60  72  -5   0   7 0.00  0.0    0  5.0 14 300   M    M   4        18 300
24  85  58  72  -5   0   7 0.00  0.0    0  4.3 15 350   M    M   2        21  40
25  88  62  75  -2   0  10 0.00  0.0    0  3.6 13 140   M    M   4        17 170
26  88  68  78   1   0  13 0.00  0.0    0  8.3 14 180   M    M   5        21 150
27  86  70  78   1   0  13 0.33  0.0    0  3.0 16 190   M    M   7 13     22 180
28  90  69  80   3   0  15 0.06  0.0    0  2.6 22 190   M    M   4 13     29 190
29  87  70  79   2   0  14 0.00  0.0    0  5.0 15 190   M    M   6 1      18 190
30  89  69  79   2   0  14 1.15  0.0    0  5.8 32 290   M    M   6 1238   44 280
================================================================================
SM 2553 2007         0 337  4.89     0.0 145.7          M      181
================================================================================
AV 85.1 66.9                               4.9 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->  # 32 290               # 44  280
================================================================================
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:     2015
                                          LATITUDE:   38 57 N
                                          LONGITUDE:  77 27 W

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

AVERAGE MONTHLY: 76.0   TOTAL FOR MONTH:   4.89    1 = FOG OR MIST
DPTR FM NORMAL:  -0.8   DPTR FM NORMAL:    1.34    2 = FOG REDUCING VISIBILITY
HIGHEST:    94 ON 19    GRTST 24HR  1.60 ON  8- 8      TO 1/4 MILE OR LESS
LOWEST:     58 ON 24                               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:  12
MAX 90 OR ABOVE:   3    0.10 INCH OR MORE:   6
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   4
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   2

[HDD (BASE 65) ]
TOTAL THIS MO.     0    CLEAR  (SCALE 0-3)   1
DPTR FM NORMAL     0    PTCLDY (SCALE 4-7)  25
TOTAL FM JUL 1     0    CLOUDY (SCALE 8-10)  4
DPTR FM NORMAL     0

[CDD (BASE 65) ]
TOTAL THIS MO.   337
DPTR FM NORMAL   -18    [PRESSURE DATA]
TOTAL FM JAN 1   796    HIGHEST SLP M ON M
DPTR FM NORMAL   112    LOWEST  SLP 29.54 ON 14

[REMARKS]


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