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

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924
CXUS51 KLWX 010826
CF6DCA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   WASHINGTON NATIONAL DC
                                          MONTH:     MAY
                                          YEAR:      2020
                                          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  67  52  60  -2   5   0 0.09  0.0    0 10.7 24 340   M    M   7 1      29 330
 2  72  52  62   0   3   0 0.00  0.0    0  8.8 17 170   M    M   4        21 170
 3  79  60  70   8   0   5 0.93  0.0    0  8.1 18 330   M    M   9 13     22 320
 4  75  56  66   4   0   1 0.09  0.0    0 15.2 31 310   M    M   5 1      44 320
 5  58  49  54  -9  11   0 0.19  0.0    0  6.8 21  10   M    M  10 1      23  10
 6  58  47  53 -10  12   0 0.07  0.0    0 10.4 22 320   M    M  10 1      33 330
 7  69  44  57  -6   8   0    T  0.0    0  8.7 21 260   M    M   4        27 250
 8  69  41  55  -9  10   0 0.12  0.0    0 11.7 36 340   M    M   8 1      44 340
 9  52  37  45 -19  20   0 0.00  0.0    0 13.8 28 310   M    M   3        36 280
10  65  38  52 -12  13   0 0.00  0.0    0 10.6 21 190   M    M   2        26 210
11  63  48  56  -8   9   0 0.02  0.0    0 12.5 26 310   M    M   8        36 310
12  64  43  54 -11  11   0 0.00  0.0    0 10.1 24 290   M    M   6        31 280
13  71  45  58  -7   7   0 0.00  0.0    0  6.5 17 250   M    M   3        26 230
14  71  51  61  -4   4   0 0.02  0.0    0  5.6 17 210   M    M   7        20 200
15  86  62  74   8   0   9    T  0.0    0 12.5 24 210   M    M   5        30 210
16  83  64  74   8   0   9 0.00  0.0    0  7.8 15 110   M    M   6        19 350
17  69  61  65  -1   0   0 0.00  0.0    0  8.5 14  80   M    M   9        17 100
18  68  57  63  -3   2   0    T  0.0    0 13.5 23  50   M    M  10 1      28  50
19  69  56  63  -4   2   0 0.00  0.0    0 17.7 31  70   M    M   9        39 100
20  64  52  58  -9   7   0    T  0.0    0 15.4 24  60   M    M   9 8      30  50
21  73  50  62  -5   3   0 0.00  0.0    0 10.4 18 100   M    M  10        23 100
22  79  60  70   2   0   5 0.58  0.0    0  5.9 13  40   M    M   9 1      15  40
23  83  64  74   6   0   9 0.29  0.0    0  6.6 17  50   M    M   7 1      22 330
24  70  60  65  -3   0   0    T  0.0    0  8.1 17  60   M    M  10        21  60
25  78  62  70   1   0   5 0.00  0.0    0  4.0 12 120   M    M   7        13 100
26  80  62  71   2   0   6 0.00  0.0    0  4.6 12 120   M    M   5        13 110
27  80  66  73   4   0   8    T  0.0    0  6.3 14 140   M    M   9        16 140
28  80  72  76   6   0  11 0.08  0.0    0 10.4 18 180   M    M  10 1      25 170
29  87  70  79   9   0  14 0.01  0.0    0 12.2 25 270   M    M   9 18     31 270
30  84  69  77   7   0  12    T  0.0    0  8.3 21 330   M    M   6        25 330
31  76  61  69  -1   0   4 0.00  0.0    0 12.7 23 340   M    M   3        28 340
================================================================================
SM 2242 1711       127  98  2.49  0.0    304.4          M      219
================================================================================
AV 72.3 55.2                               9.8 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->    36 340               # 44 320
================================================================================
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:      2020
                                          LATITUDE:   38 50 N
                                          LONGITUDE:  77  2 W

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

AVERAGE MONTHLY: 63.8   TOTAL FOR MONTH:   2.49    1 = FOG OR MIST
DPTR FM NORMAL:  -2.2   DPTR FM NORMAL:   -1.50    2 = FOG REDUCING VISIBILITY
HIGHEST:    87 ON 29    GRTST 24HR  1.02 ON  3- 4      TO 1/4 MILE OR LESS
LOWEST:     37 ON  9                               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:  12
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   5
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   2
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   127    CLEAR  (SCALE 0-3)   2
DPTR FM NORMAL    48    PTCLDY (SCALE 4-7)  16
TOTAL FM JUL 1  3428    CLOUDY (SCALE 8-10) 13
DPTR FM NORMAL  -597

[CDD (BASE 65) ]
TOTAL THIS MO.    98
DPTR FM NORMAL   -10    [PRESSURE DATA]
TOTAL FM JAN 1   107    HIGHEST SLP 30.37 ON 21
DPTR FM NORMAL   -27    LOWEST  SLP 29.61 ON  8

[REMARKS]
#FINAL-05-20#