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

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657
CXUS51 KLWX 050620
CF6IAD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   WASHINGTON DULLES DC
                                          MONTH:     MAY
                                          YEAR:      2016
                                          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  59  51  55  -4  10   0 0.53  0.0    0  6.9 14 160   M    M  10 13     19 170
 2  80  54  67   8   0   2 1.39  0.0    0  6.8 30 300   M    M   7 123    39 290
 3  71  57  64   4   1   0 0.54  0.0    0  6.1 14  60   M    M   9 1      18  50
 4  62  53  58  -2   7   0    T  0.0    0  6.2 14  70   M    M  10 18     18  70
================================================================================
SM  272  215        18   2  2.46     0.0  26.0          M       36
================================================================================
AV 68.0 53.8                               6.5 FASTST   M    M   9    MAX(MPH)
                                 MISC ---->  # 30 300               # 39  290
================================================================================
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:     2016
                                          LATITUDE:   38 57 N
                                          LONGITUDE:  77 27 W

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

AVERAGE MONTHLY: 60.9   TOTAL FOR MONTH:   2.46    1 = FOG OR MIST
DPTR FM NORMAL:   1.4   DPTR FM NORMAL:    1.94    2 = FOG REDUCING VISIBILITY
HIGHEST:    80 ON  2    GRTST 24HR  1.48 ON  2- 3      TO 1/4 MILE OR LESS
LOWEST:     51 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:   3
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   3
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   3
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.    18    CLEAR  (SCALE 0-3)   0
DPTR FM NORMAL    -9    PTCLDY (SCALE 4-7)   1
TOTAL FM JUL 1  3890    CLOUDY (SCALE 8-10)  3
DPTR FM NORMAL  -709

[CDD (BASE 65) ]
TOTAL THIS MO.     2
DPTR FM NORMAL    -2    [PRESSURE DATA]
TOTAL FM JAN 1    25    HIGHEST SLP M ON M
DPTR FM NORMAL     1    LOWEST  SLP 29.64 ON  4

[REMARKS]



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