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

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CXUS51 KLWX 300620
CF6IAD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   WASHINGTON DULLES DC
                                          MONTH:     JUNE
                                          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  88  69  79  11   0  14 0.06  0.0    0  5.5 25 350   M    M   8 13     33 350
 2  70  57  64  -4   1   0 0.16  0.0    0  8.9 16  10   M    M  10 1      22  20
 3  60  56  58 -11   7   0    T  0.0    0  6.2 15  50   M    M  10 1      22  20
 4  61  55  58 -11   7   0 0.73  0.0    0  5.9 10  20   M    M  10 1      14  50
 5  74  56  65  -4   0   0    T  0.0    0  3.6  9  50   M    M   9 1      12  40
 6  79  58  69  -1   0   4 0.00  0.0    0  8.1 18  30   M    M   5 12     25  10
 7  77  60  69  -1   0   4 0.00  0.0    0  7.7 17 150   M    M   7        23 140
 8  87  62  75   5   0  10 1.05  0.0    0 11.0 38 290   M    M   6 1358   49 290
 9  84  66  75   4   0  10    T  0.0    0  9.8 17 290   M    M   7        24 290
10  82  57  70  -1   0   5 0.00  0.0    0  5.3 14 220   M    M   1 8      18 200
11  92  66  79   8   0  14 0.00  0.0    0  4.8 12 150   M    M   4 18     15 150
12  91  71  81   9   0  16 0.02  0.0    0  7.2 17 260   M    M   6 1      25 260
13  89  69  79   7   0  14    T  0.0    0  4.7 16 330   M    M   6 3      21 290
14  90  70  80   8   0  15    T  0.0    0  3.2 23 240   M    M   7 3      30 230
15  90  73  82  10   0  17 0.26  0.0    0  4.6 28 320   M    M   7 8      35 320
16  91  70  81   8   0  16 0.00  0.0    0  8.1 20 310   M    M   6        25 320
17  79  66  73   0   0   8 0.36  0.0    0  3.2 12 310   M    M   9 1      15 300
18  88  67  78   5   0  13 0.62  0.0    0  4.5 40  40   M    M   9 1235   64 350
19  84  68  76   2   0  11 0.07  0.0    0  5.0 25 290   M    M   8        32 280
20  87  70  79   5   0  14 1.11  0.0    0  4.8 30 210   M    M   M 13     43 210
21  91  71  81   7   0  16 0.09  0.0    0  6.4 17 300   M    M   8 1      23 280
22  89  68  79   5   0  14 0.00  0.0    0  4.8 12 300   M    M   5        15 220
23  93  71  82   7   0  17 0.55  0.0    0  7.9 33 350   M    M   7 13     41 340
24  83  64  74  -1   0   9 0.00  0.0    0  7.3 16 310   M    M   6        22 300
25  83  60  72  -3   0   7 0.40  0.0    0  3.1 21 320   M    M   9 13     24 310
26  80  65  73  -2   0   8 0.00  0.0    0  5.4 12  30   M    M   9        23  60
27  74  65  70  -5   0   5 1.47  0.0    0  7.9 20 110   M    M  10 1      25 100
28  77  61  69  -7   0   4 0.37  0.0    0  6.9 20 280   M    M   6 1      25 300
29  81  54  68  -8   0   3 0.00  0.0    0  5.8 13 220   M    M   3        29 260
================================================================================
SM 2394 1865        15 268  7.32     0.0 177.6          M      198
================================================================================
AV 82.6 64.3                               6.1 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->  # 40  40               # 64  350
================================================================================
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:    JUNE
                                          YEAR:     2015
                                          LATITUDE:   38 57 N
                                          LONGITUDE:  77 27 W

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

AVERAGE MONTHLY: 73.4   TOTAL FOR MONTH:   7.32    1 = FOG OR MIST
DPTR FM NORMAL:   1.2   DPTR FM NORMAL:    3.47    2 = FOG REDUCING VISIBILITY
HIGHEST:    93 ON 23    GRTST 24HR  1.47 ON 27-27      TO 1/4 MILE OR LESS
LOWEST:     54 ON 29                               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:  15
MAX 90 OR ABOVE:   7    0.10 INCH OR MORE:  11
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   6
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   3

[HDD (BASE 65) ]
TOTAL THIS MO.    15    CLEAR  (SCALE 0-3)   2
DPTR FM NORMAL     2    PTCLDY (SCALE 4-7)  15
TOTAL FM JUL 1  5131    CLOUDY (SCALE 8-10) 11
DPTR FM NORMAL   416

[CDD (BASE 65) ]
TOTAL THIS MO.   268
DPTR FM NORMAL    41    [PRESSURE DATA]
TOTAL FM JAN 1   450    HIGHEST SLP M ON M
DPTR FM NORMAL   131    LOWEST  SLP 29.66 ON 28

[REMARKS]


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