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

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000
CXUS51 KLWX 240620
CF6DCA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   WASHINGTON NATIONAL DC
                                          MONTH:     MAY
                                          YEAR:      2019
                                          LATITUDE:   38 50 N
                                          LONGITUDE:  77  2 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  70  59  65   3   0   0 0.00  0.0    0  8.1 22  90   M    M   9        25  90
 2  87  60  74  12   0   9 0.48  0.0    0  5.6 23 340   M    M   8 1238   27 330
 3  79  65  72  10   0   7    T  0.0    0  7.4 23 340   M    M   6        30 330
 4  76  65  71   9   0   6 0.55  0.0    0  4.8 10  20   M    M   9 138    17 360
 5  68  60  64   1   1   0 0.65  0.0    0 10.0 21  30   M    M  10 1      27  30
 6  78  59  69   6   0   4 0.00  0.0    0  6.5 15  20   M    M   6        17  20
 7  81  61  71   8   0   6 0.00  0.0    0  9.1 17 180   M    M   4        23 170
 8  74  63  69   5   0   4 0.00  0.0    0  8.9 17  50   M    M   9        20  70
 9  78  62  70   6   0   5    T  0.0    0  7.8 18 120   M    M   9        22 120
10  82  67  75  11   0  10 0.52  0.0    0 11.0 22 190   M    M   8 13     30 210
11  74  58  66   2   0   1 0.41  0.0    0  7.0 18  10   M    M   9 1      30  20
12  61  51  56  -9   9   0 0.49  0.0    0 12.3 21  60   M    M  10 1      23  60
13  60  50  55 -10  10   0 0.59  0.0    0  7.0 16  50   M    M   9 1      20  50
14  64  51  58  -7   7   0 0.00  0.0    0 11.3 23 320   M    M   6        31 320
15  76  50  63  -3   2   0 0.00  0.0    0  9.3 17 280   M    M   4        24 280
16  80  56  68   2   0   3 0.01  0.0    0  6.4 17 290   M    M   6        25 300
17  82  59  71   5   0   6 0.00  0.0    0  6.9 18 210   M    M   8        22 210
18  84  64  74   8   0   9    T  0.0    0  5.0 15 120   M    M   8 3      19 130
19  87  65  76   9   0  11 0.24  0.0    0  9.2 22 160   M    M   5 13     25 160
20  90  73  82  15   0  17    T  0.0    0 12.3 25 220   M    M   7        33 320
21  73  62  68   1   0   3 0.00  0.0    0 12.3 21 340   M    M   5        27 330
22  72  57  65  -3   0   0 0.00  0.0    0  7.3 14 170   M    M   8 8      17 170
23  85  61  73   5   0   8 0.31  0.0    0 11.0 44 290   M    M   7 138    67 270
================================================================================
SM 1761 1378        29 109  4.25     0.0 196.5          M      170
================================================================================
AV 76.6 59.9                               8.5 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->  # 44 290               # 67  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 NATIONAL DC
                                          MONTH:    MAY
                                          YEAR:     2019
                                          LATITUDE:   38 50 N
                                          LONGITUDE:  77  2 W

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

AVERAGE MONTHLY: 68.2   TOTAL FOR MONTH:   4.25    1 = FOG OR MIST
DPTR FM NORMAL:   3.5   DPTR FM NORMAL:    1.31    2 = FOG REDUCING VISIBILITY
HIGHEST:    90 ON 20    GRTST 24HR  0.65 ON  5- 5      TO 1/4 MILE OR LESS
LOWEST:     50 ON 15,13                            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:  10
MAX 90 OR ABOVE:   1    0.10 INCH OR MORE:   9
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   4
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.    29    CLEAR  (SCALE 0-3)   0
DPTR FM NORMAL   -41    PTCLDY (SCALE 4-7)  14
TOTAL FM JUL 1  3604    CLOUDY (SCALE 8-10)  9
DPTR FM NORMAL  -412

[CDD (BASE 65) ]
TOTAL THIS MO.   109
DPTR FM NORMAL    46    [PRESSURE DATA]
TOTAL FM JAN 1   170    HIGHEST SLP M ON M
DPTR FM NORMAL    81    LOWEST  SLP 29.65 ON  5

[REMARKS]


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