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

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000
CXUS51 KLWX 170620
CF6IAD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   WASHINGTON DULLES DC
                                          MONTH:     NOVEMBER
                                          YEAR:      2017
                                          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  56  37  47  -4  18   0    T  0.0    0  3.8  9 350   M    M   8        10 360
 2  76  43  60   9   5   0 0.00  0.0    0  4.9 18 210   M    M   5        23 220
 3  77  54  66  16   0   1    T  0.0    0  6.7 21 360   M    M   5 1      27 360
 4  57  46  52   2  13   0 0.60  0.0    0  5.3 13  10   M    M   9 1      17  20
 5  60  50  55   5  10   0 0.10  0.0    0  5.6 16 190   M    M  10 1      21 200
 6  72  51  62  12   3   0    T  0.0    0  9.5 20 340   M    M   8        29 210
 7  51  39  45  -4  20   0 0.92  0.0    0 11.1 17 350   M    M   9 1      22 350
 8  48  39  44  -5  21   0 0.00  0.0    0  9.1 17 350   M    M   9        22 360
 9  50  42  46  -3  19   0 0.04  0.0    0  3.7  9 350   M    M   9 12     10 360
10  46  29  38 -10  27   0 0.00  0.0    0 12.7 25 320   M    M   4 12     32 330
11  37  21  29 -19  36   0 0.00  0.0    0  3.7 13  10   M    M   5        16  20
12  47  23  35 -13  30   0 0.03  0.0    0  2.3 13 190   M    M   9        16 200
13  50  36  43  -4  22   0 0.17  0.0    0  5.0 14 360   M    M   7 18     17 340
14  49  34  42  -5  23   0 0.00  0.0    0  6.3 14 350   M    M   9        17 350
15  54  27  41  -6  24   0 0.00  0.0    0  4.0 12 180   M    M   6        16 150
16  62  39  51   5  14   0    T  0.0    0 11.4 26 320   M    M   6        33 300
================================================================================
SM  892  610       285   1  1.86     0.0 105.1          M      118
================================================================================
AV 55.8 38.1                               6.6 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->  # 26 320               # 33  300
================================================================================
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:    NOVEMBER
                                          YEAR:     2017
                                          LATITUDE:   38 57 N
                                          LONGITUDE:  77 27 W

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

AVERAGE MONTHLY: 46.9   TOTAL FOR MONTH:   1.86    1 = FOG OR MIST
DPTR FM NORMAL:  -1.8   DPTR FM NORMAL:    0.06    2 = FOG REDUCING VISIBILITY
HIGHEST:    77 ON  3    GRTST 24HR  0.92 ON  7- 7      TO 1/4 MILE OR LESS
LOWEST:     21 ON 11                               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:   6
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   4
MIN 32 OR BELOW:   4    0.50 INCH OR MORE:   2
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   285    CLEAR  (SCALE 0-3)   0
DPTR FM NORMAL    25    PTCLDY (SCALE 4-7)   8
TOTAL FM JUL 1   506    CLOUDY (SCALE 8-10)  8
DPTR FM NORMAL  -110

[CDD (BASE 65) ]
TOTAL THIS MO.     1
DPTR FM NORMAL     1    [PRESSURE DATA]
TOTAL FM JAN 1  1281    HIGHEST SLP M ON M
DPTR FM NORMAL   105    LOWEST  SLP 29.88 ON 16

[REMARKS]



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