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

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CXUS51 KLWX 210620
CF6IAD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   WASHINGTON DULLES DC
                                          MONTH:     MARCH
                                          YEAR:      2019
                                          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  37  31  34  -5  31   0 0.66  0.6    1  6.2 12 110   M    M  10 14     16 310
 2  48  33  41   1  24   0 0.07  0.0    0  7.3 15 300   M    M   8 1      18 310
 3  42  33  38  -2  27   0 0.54    T    0  5.6 13 350   M    M  10 1      16 330
 4  40  26  33  -7  32   0    T    T    0 13.2 25 320   M    M   5 14     33 320
 5  41  22  32  -8  33   0 0.00  0.0    0 10.3 30 320   M    M   4        38 300
 6  31  19  25 -16  40   0    T    T    0 13.7 25 290   M    M   5        33 310
 7  42  16  29 -12  36   0 0.00  0.0    0  7.3 22 300   M    M   7        26 280
 8  38  26  32 -10  33   0 0.19  1.0    0  2.1 14 180   M    M  10 18     18 160
 9  40  33  37  -5  28   0 0.08  0.0    1  5.4 12 100   M    M  10 1      14 150
10  63  37  50   8  15   0 0.26  0.0    0  4.8 15 300   M    M   9 1      19 210
11  62  40  51   9  14   0 0.00  0.0    0  9.8 21 340   M    M   6        28 330
12  52  29  41  -2  24   0 0.00  0.0    0  8.6 18 330   M    M   0        30 340
13  61  24  43   0  22   0 0.00  0.0    0  5.6 18 190   M    M   6        25 190
14  75  37  56  13   9   0 0.00  0.0    0 11.2 26 180   M    M   7        32 180
15  77  53  65  21   0   0 0.00  0.0    0 17.6 31 310   M    M   7        39 290
16  54  39  47   3  18   0 0.00  0.0    0 18.4 28 290   M    M   4        40 300
17  52  28  40  -4  25   0 0.00  0.0    0  6.8 17 300   M    M   4        22 280
18  51  29  40  -5  25   0 0.00  0.0    0  4.4 15 330   M    M   7        20 310
19  51  23  37  -8  28   0 0.00  0.0    0  2.8 13 310   M    M   0        16 310
20  55  27  41  -5  24   0 0.00  0.0    0  4.4 14 180   M    M   8        17 180
================================================================================
SM 1012  605       488   0  1.80     1.6 165.5          M      127
================================================================================
AV 50.6 30.3                               8.3 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->  # 31 310               # 40  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:    MARCH
                                          YEAR:     2019
                                          LATITUDE:   38 57 N
                                          LONGITUDE:  77 27 W

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

AVERAGE MONTHLY: 40.4   TOTAL FOR MONTH:   1.80    1 = FOG OR MIST
DPTR FM NORMAL:  -1.9   DPTR FM NORMAL:   -0.24    2 = FOG REDUCING VISIBILITY
HIGHEST:    77 ON 15    GRTST 24HR  0.66 ON  1- 1      TO 1/4 MILE OR LESS
LOWEST:     16 ON  7                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   1.6 INCHES  5 = HAIL
                        GRTST 24HR   1.0 ON  8- 8  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   1 ON  9, 1  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:   6
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   4
MIN 32 OR BELOW:  12    0.50 INCH OR MORE:   2
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   488    CLEAR  (SCALE 0-3)   2
DPTR FM NORMAL    33    PTCLDY (SCALE 4-7)  12
TOTAL FM JUL 1  3993    CLOUDY (SCALE 8-10)  6
DPTR FM NORMAL   -52

[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 29.70 ON 15

[REMARKS]


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