622
CXUS51 KLWX 140815
CF6IAD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   WASHINGTON DULLES DC
                                          MONTH:     MAY
                                          YEAR:      2025
                                          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  83  55  69   9   0   4 0.00  0.0    0  7.4 16 150   M    M   7        24 150
 2  85  65  75  15   0  10    T  0.0    0  5.8 15 300   M    M   7 3      24 290
 3  83  64  74  13   0   9 0.17  0.0    0  7.4 17 280   M    M   7 13     25 190
 4  76  62  69   8   0   4 0.34  0.0    0  7.1 18 210   M    M   8 1      23 210
 5  74  60  67   6   0   2 0.24  0.0    0  7.6 23 130   M    M   8 13     34 140
 6  71  57  64   3   1   0 0.12  0.0    0  5.6 21 290   M    M   8 13     28 290
 7  73  54  64   2   1   0    T  0.0    M  6.0 16 330   M    M   7        25 300
 8  77  52  65   3   0   0 0.01  0.0    0  2.3 16 220   M    M   6        25 210
 9  63  52  58  -4   7   0 0.55  0.0    0  9.9 18 350   M    M   7 13     25 360
10  74  40  57  -5   8   0 0.00  0.0    0  7.6 20 300   M    M   4        32 310
11  80  48  64   1   1   0 0.00  0.0    0  2.4 12 200   M    M   7        16 200
12  76  50  63   0   2   0 0.01  0.0    0  5.2 13 150   M    M   8        21 150
13  67  62  65   2   0   0 1.71  0.0    0 11.9 26 120   M    M  10 1      36 130
================================================================================
SM  982  721        20  29  3.15  0.0     86.2          M       94
================================================================================
AV 75.5 55.5                               6.6 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->    26 120                 36 130
================================================================================
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:     MAY
                                          YEAR:      2025
                                          LATITUDE:   38 57 N
                                          LONGITUDE:  77 27 W

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

AVERAGE MONTHLY: 65.5   TOTAL FOR MONTH:   3.15    1 = FOG OR MIST
DPTR FM NORMAL:   3.9   DPTR FM NORMAL:    1.25    2 = FOG REDUCING VISIBILITY
HIGHEST:    85 ON  2    GRTST 24HR  1.72 ON 12-13      TO 1/4 MILE OR LESS
LOWEST:     40 ON 10                               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:   8
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   6
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   2
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.    20    CLEAR  (SCALE 0-3)   0
DPTR FM NORMAL   -45    PTCLDY (SCALE 4-7)  11
TOTAL FM JUL 1  4033    CLOUDY (SCALE 8-10)  2
DPTR FM NORMAL  -509

[CDD (BASE 65) ]
TOTAL THIS MO.    29
DPTR FM NORMAL     7    [PRESSURE DATA]
TOTAL FM JAN 1    76    HIGHEST SLP M ON M
DPTR FM NORMAL    32    LOWEST  SLP 29.78 ON  3

[REMARKS]