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

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000
CXUS51 KLWX 290620
CF6IAD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   WASHINGTON DULLES DC
                                          MONTH:     MARCH
                                          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  31  19  25 -14  40   0 0.31  0.1    4  4.4 24 210   M    M   9 146    25 210
 2  41  27  34  -6  31   0 0.00  0.0    4 10.1 31 320   M    M   6 12     41 320
 3  37  25  31  -9  34   0    T  0.0    3  8.7 22 200   M    M   9 16     29 200
 4  46  36  41   1  24   0 0.33  0.0    2  5.0 20 190   M    M  10 1      28 190
 5  41  18  30 -10  35   0 0.88  9.5    1 12.3 24 350   M    M  10 1248   31 350
 6  27   6  17 -24  48   0 0.00  0.0    5  4.9 17 330   M    M   1        22 330
 7  47   2  25 -16  40   0 0.00  0.0    4  6.9 21 200   M    M   2        28 200
 8  55  25  40  -2  25   0 0.00  0.0    2  3.1 15 300   M    M   3        17 300
 9  61  30  46   4  19   0 0.00  0.0    T  0.7  9 190   M    M   8 8      23  10
10  45  30  38  -4  27   0 0.53  0.0    0  1.4  7 340   M    M   8 12     23  90
11  62  41  52  10  13   0    T  0.0    0  4.6 18 340   M    M   7 12     25 330
12  56  31  44   1  21   0 0.00  0.0    0  8.1 18 350   M    M   4        23 360
13  51  26  39  -4  26   0    T  0.0    0  5.6 15 150   M    M   7        20 150
14  57  41  49   6  16   0 0.55  0.0    0  7.6 16 350   M    M   9 1      20 340
15  55  35  45   1  20   0 0.00  0.0    0 14.5 36 310   M    M   4        47 310
16  69  29  49   5  16   0 0.00  0.0    0  3.2 12 100   M    M   7 1      16  70
17  69  36  53   9  12   0 0.00  0.0    0 14.3 31 320   M    M   5        37 310
18  49  25  37  -8  28   0 0.00  0.0    0 10.4 26 300   M    M   2        32 310
19  51  30  41  -4  24   0 0.00  0.0    0  2.9 12 140   M    M   9        18 320
20  43  33  38  -8  27   0 0.54  0.9    T  5.3 12 360   M    M  10 1      26 150
21  61  29  45  -1  20   0 0.00  0.0    0  4.9 16 350   M    M   6 1      20 230
22  54  39  47   1  18   0 0.00  0.0    0 10.0 21 330   M    M   7        28 330
23  47  32  40  -6  25   0 0.00  0.0    0  6.5 13 350   M    M   6        16 340
24  47  29  38  -9  27   0 0.00  0.0    0  4.1 10 130   M    M   8        14 140
25  51  25  38  -9  27   0 0.02  0.0    0  4.7 14 180   M    M   7        18 160
26  74  45  60  12   5   0 0.12  0.0    0 12.2 24 340   M    M   8 18     31 340
27  49  37  43  -5  22   0 0.63  0.0    0  9.9 18 340   M    M   9 1      24 320
28  37  27  32 -16  33   0 0.00  0.0    0 16.8 31 290   M    M   5        39 290
================================================================================
SM 1413  808       703   0  3.91    10.5 203.1          M      186
================================================================================
AV 50.5 28.9                               7.3 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->  # 36 310               # 47  310
================================================================================
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:    MARCH
                                          YEAR:     2015
                                          LATITUDE:   38 57 N
                                          LONGITUDE:  77 27 W

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

AVERAGE MONTHLY: 39.7   TOTAL FOR MONTH:   3.91    1 = FOG OR MIST
DPTR FM NORMAL:  -4.0   DPTR FM NORMAL:    0.91    2 = FOG REDUCING VISIBILITY
HIGHEST:    74 ON 26    GRTST 24HR  0.88 ON  5- 5      TO 1/4 MILE OR LESS
LOWEST:      2 ON  7                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:  10.5 INCHES  5 = HAIL
                        GRTST 24HR   9.5 ON  5- 5  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   5 ON  6     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:   2    0.01 INCH OR MORE:   9
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   8
MIN 32 OR BELOW:  19    0.50 INCH OR MORE:   5
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   703    CLEAR  (SCALE 0-3)   4
DPTR FM NORMAL   103    PTCLDY (SCALE 4-7)  15
TOTAL FM JUL 1  4704    CLOUDY (SCALE 8-10)  9
DPTR FM NORMAL   514

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1     0    HIGHEST SLP M ON M
DPTR FM NORMAL     0    LOWEST  SLP 29.59 ON 26

[REMARKS]



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