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

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CXUS51 KLWX 011038
CF6IAD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   WASHINGTON DULLES DC
                                          MONTH:     JUNE
                                          YEAR:      2020
                                          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  74  46  60  -8   5   0 0.00  0.0    0  4.8 15 300   M    M   2        20 310
 2  81  50  66  -2   0   1    T  0.0    0  4.6 16 200   M    M   7        21 210
 3  95  64  80  11   0  15    T  0.0    0  8.5 20 300   M    M   7        25 290
 4  91  66  79  10   0  14 1.30  0.0    0  4.8 32 230   M    M   8 13     44 230
 5  87  67  77   8   0  12 0.57  0.0    0  4.3 17 350   M    M   9 13     21 350
 6  90  66  78   8   0  13 0.00  0.0    0  7.1 20 300   M    M   7 12     27 300
 7  81  57  69  -1   0   4    T  0.0    0  7.0 17 330   M    M   3        25 340
 8  82  57  70   0   0   5 0.00  0.0    0  4.0 12  30   M    M   1        14  40
 9  90  59  75   4   0  10 0.00  0.0    0  5.0 12 180   M    M   7        16 180
10  90  74  82  11   0  17 1.07  0.0    0 10.8 22 210   M    M   8 138    30 220
11  85  70  78   7   0  13 0.43  0.0    0  9.2 18 190   M    M   9 13     25 180
12  86  59  73   1   0   8 0.00  0.0    0  6.9 14 300   M    M   3        19 320
13  78  61  70  -2   0   5 0.00  0.0    0  6.1 14 330   M    M   4        20 340
14  74  58  66  -6   0   1 0.00  0.0    0  5.1 14 350   M    M   7        17 350
15  76  58  67  -5   0   2 0.00  0.0    0  7.2 17  60   M    M   8        22  70
16  76  62  69  -4   0   4 0.00  0.0    0  9.6 18  40   M    M   8        25  40
17  73  62  68  -5   0   3 0.48  0.0    0 10.5 17  50   M    M   9 1      23  60
18  81  67  74   1   0   9 0.03  0.0    0  7.5 13 180   M    M   9 1      17 110
19  81  66  74   0   0   9 0.31  0.0    0  4.6 21 180   M    M   8 138    26 190
20  80  64  72  -2   0   7    T  0.0    0  4.2 16  90   M    M   7 123    20  90
21  87  67  77   3   0  12 0.00  0.0    0  2.7 13 110   M    M   6 1      15 120
22  88  68  78   4   0  13 0.75  0.0    0  5.9 25 140   M    M   5 138    34 170
23  89  64  77   2   0  12    T  0.0    0  5.4 15 190   M    M   7 123    21 180
24  84  68  76   1   0  11 0.00  0.0    0  7.1 18 300   M    M   6        24 320
25  84  63  74  -1   0   9    T  0.0    0  3.4 21 330   M    M   7 3      28 330
26  88  58  73  -2   0   8 0.00  0.0    0  5.6 15 260   M    M   5        21 290
27  90  70  80   5   0  15 0.27  0.0    0  7.2 22 220   M    M   8 13     30 220
28  87  72  80   4   0  15 0.00  0.0    0  4.9 14 280   M    M   8        18 300
29  89  67  78   2   0  13 0.00  0.0    0  8.2 17 310   M    M   5        22 310
30  89  66  78   2   0  13 0.00  0.0    0  5.1 13 310   M    M   5        16  10
================================================================================
SM 2526 1896         5 273  5.21  0.0    187.3          M      193
================================================================================
AV 84.2 63.2                               6.2 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->    32 230                 44 230
================================================================================
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:     JUNE
                                          YEAR:      2020
                                          LATITUDE:   38 57 N
                                          LONGITUDE:  77 27 W

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

AVERAGE MONTHLY: 73.7   TOTAL FOR MONTH:   5.21    1 = FOG OR MIST
DPTR FM NORMAL:   1.3   DPTR FM NORMAL:    1.23    2 = FOG REDUCING VISIBILITY
HIGHEST:    95 ON  3    GRTST 24HR  1.81 ON  4- 5      TO 1/4 MILE OR LESS
LOWEST:     46 ON  1                               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:   9
MAX 90 OR ABOVE:   6    0.10 INCH OR MORE:   8
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   4
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   2

[HDD (BASE 65) ]
TOTAL THIS MO.     5    CLEAR  (SCALE 0-3)   3
DPTR FM NORMAL   -10    PTCLDY (SCALE 4-7)  21
TOTAL FM JUL 1  4154    CLOUDY (SCALE 8-10)  6
DPTR FM NORMAL  -561

[CDD (BASE 65) ]
TOTAL THIS MO.   273
DPTR FM NORMAL    36    [PRESSURE DATA]
TOTAL FM JAN 1   350    HIGHEST SLP 30.39 ON 15
DPTR FM NORMAL    21    LOWEST  SLP 29.65 ON 23

[REMARKS]
#FINAL-06-20#


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