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

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000
CXUS51 KLWX 250620
CF6IAD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   WASHINGTON DULLES DC
                                          MONTH:     MARCH
                                          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  75  53  64  25   1   0 0.01  0.0    0 15.7 35 280   M    M   9 13     47 270
 2  60  30  45   5  20   0    T  0.0    0 19.4 37 300   M    M   5        45 290
 3  41  27  34  -6  31   0    T  0.1    T 13.6 29 300   M    M   6 1      39 300
 4  42  18  30 -10  35   0 0.00  0.0    0 10.0 24 320   M    M   1        33 320
 5  39  19  29 -11  36   0 0.00  0.0    0  4.5 12  30   M    M   2        15  10
 6  53  24  39  -2  26   0    T  0.0    0  3.0 12 210   M    M   7 8      14 210
 7  68  43  56  15   9   0 0.18  0.0    0  7.6 28 210   M    M  10 1      37 210
 8  66  48  57  15   8   0 0.01  0.0    0 12.7 37 300   M    M   5        44 310
 9  71  43  57  15   8   0 0.00  0.0    0  9.2 25 300   M    M   2        34 280
10  56  28  42   0  23   0 0.08    T    0 15.9 35 310   M    M   7 1      43 300
11  38  24  31 -11  34   0 0.00  0.0    0 14.0 25 320   M    M   5        40 300
12  41  23  32 -11  33   0 0.00  0.0    0  9.1 18 310   M    M   5        23 320
13  46  17  32 -11  33   0 0.27  1.5    0  7.4 18  60   M    M   6 14     23  50
14  37  22  30 -13  35   0 0.84  4.1    3 21.7 35 300   M    M   9 146    47 290
15  31  19  25 -19  40   0    T    T    2 21.9 35 290   M    M   6        45 290
16  39  23  31 -13  34   0 0.00  0.0    2 12.2 28 290   M    M   2        35 290
17  50  20  35  -9  30   0 0.03  0.0    2  4.9 18 180   M    M   5        25 190
18  57  36  47   2  18   0 0.34  0.0    0  5.6 17  70   M    M   9 1      24  70
19  51  34  43  -2  22   0 0.09    T    0 11.5 20 310   M    M   9 1      24 310
20  54  31  43  -3  22   0 0.00  0.0    0  4.8 12 360   M    M   6        15 360
21  62  44  53   7  12   0 0.01  0.0    0  7.0 16 330   M    M   9        19 330
22  59  33  46   0  19   0 0.00  0.0    0 16.2 29 310   M    M   3        38 330
23  48  21  35 -11  30   0 0.00  0.0    0  4.5 10 200   M    M   1        16  30
24  62  33  48   1  17   0 0.14  0.0    0 10.7 21 210   M    M   6 1      27 210
================================================================================
SM 1246  713       576   0  2.00     5.7 263.1          M      135
================================================================================
AV 51.9 29.7                              11.0 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->  # 37 300               # 47  270
================================================================================
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:     2017
                                          LATITUDE:   38 57 N
                                          LONGITUDE:  77 27 W

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

AVERAGE MONTHLY: 40.8   TOTAL FOR MONTH:   2.00    1 = FOG OR MIST
DPTR FM NORMAL:  -2.1   DPTR FM NORMAL:   -0.51    2 = FOG REDUCING VISIBILITY
HIGHEST:    75 ON  1    GRTST 24HR  0.84 ON 14-14      TO 1/4 MILE OR LESS
LOWEST:     17 ON 13                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   5.7 INCHES  5 = HAIL
                        GRTST 24HR   4.1 ON   M    6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   3 ON 14     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:   1    0.01 INCH OR MORE:  11
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   5
MIN 32 OR BELOW:  15    0.50 INCH OR MORE:   1
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   576    CLEAR  (SCALE 0-3)   6
DPTR FM NORMAL    46    PTCLDY (SCALE 4-7)  12
TOTAL FM JUL 1  3469    CLOUDY (SCALE 8-10)  6
DPTR FM NORMAL  -651

[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 29.52 ON 14

[REMARKS]


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