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

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000
CXUS51 KLWX 270620
CF6IAD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   WASHINGTON DULLES DC
                                          MONTH:     SEPTEMBER
                                          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  84  68  76   3   0  11 0.17  0.0    0  5.9 13 280   M    M   7 1      17  10
 2  80  63  72  -1   0   7 0.00  0.0    0  8.3 16 350   M    M   6        21  20
 3  80  63  72   0   0   7 0.00  0.0    0 10.4 22  50   M    M   6        32  40
 4  82  58  70  -2   0   5 0.00  0.0    0  5.4 16 360   M    M   6        20 360
 5  88  54  71  -1   0   6 0.00  0.0    0  4.7 13 310   M    M   2        19 350
 6  93  63  78   6   0  13 0.00  0.0    0  8.8 25 310   M    M   2        32 310
 7  94  67  81  10   0  16    T  0.0    0  6.9 23 320   M    M   6 3      28 300
 8  96  72  84  13   0  19 0.00  0.0    0  6.3 16 210   M    M   6        23 220
 9  98  74  86  15   0  21 0.00  0.0    0  5.9 15 190   M    M   6        21 190
10  96  72  84  14   0  19 0.00  0.0    0  7.1 18 160   M    M   5        25 160
11  84  67  76   6   0  11 0.00  0.0    0  9.6 20 330   M    M   7        30 340
12  84  62  73   3   0   8 0.00  0.0    0  5.2 12  90   M    M   3        17 140
13  90  62  76   7   0  11 0.00  0.0    0  7.5 16 170   M    M   3        23 190
14  93  62  78   9   0  13 0.00  0.0    0  5.2 16 300   M    M   2        23 310
15  77  67  72   4   0   7 0.00  0.0    0  7.3 16  20   M    M   7        21  40
16  77  65  71   3   0   6 0.00  0.0    0  5.4 13 150   M    M   9        17 200
17  82  67  75   7   0  10 0.00  0.0    0  8.2 16 200   M    M   8        22 200
18  89  70  80  13   0  15    T  0.0    0  7.4 15 190   M    M   8        20 190
19  76  69  73   6   0   8 0.23  0.0    0  4.7 13 310   M    M  10 13     16 310
20  81  68  75   9   0  10 0.00  0.0    0  6.4 14  40   M    M   9 18     19  20
21  84  66  75   9   0  10 0.00  0.0    0  6.2 15  60   M    M   8        21  20
22  87  60  74   9   0   9 0.00  0.0    0  3.7 12  50   M    M   3        16  60
23  91  56  74   9   0   9 0.00  0.0    0  2.5 10 320   M    M   2 8      16 310
24  76  56  66   2   0   1 0.00  0.0    0  5.7 15 360   M    M   5        19  30
25  74  54  64   0   1   0 0.00  0.0    0  4.5 10 210   M    M   5        15 210
26  68  58  63  -1   2   0 0.03  0.0    0  7.2 20 190   M    M  10 18     25 170
================================================================================
SM 2204 1663         3 252  0.43     0.0 166.4          M      151
================================================================================
AV 84.8 64.0                               6.4 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->  # 25 310               # 32   40
================================================================================
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:    SEPTEMBER
                                          YEAR:     2016
                                          LATITUDE:   38 57 N
                                          LONGITUDE:  77 27 W

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

AVERAGE MONTHLY: 74.4   TOTAL FOR MONTH:   0.43    1 = FOG OR MIST
DPTR FM NORMAL:   5.6   DPTR FM NORMAL:   -2.96    2 = FOG REDUCING VISIBILITY
HIGHEST:    98 ON  9    GRTST 24HR  0.23 ON 19-19      TO 1/4 MILE OR LESS
LOWEST:     54 ON 25, 5                            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:   8    0.10 INCH OR MORE:   2
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.     3    CLEAR  (SCALE 0-3)   7
DPTR FM NORMAL   -34    PTCLDY (SCALE 4-7)  15
TOTAL FM JUL 1     3    CLOUDY (SCALE 8-10)  4
DPTR FM NORMAL   -36

[CDD (BASE 65) ]
TOTAL THIS MO.   252
DPTR FM NORMAL   119    [PRESSURE DATA]
TOTAL FM JAN 1  1515    HIGHEST SLP M ON M
DPTR FM NORMAL   366    LOWEST  SLP 29.83 ON  1

[REMARKS]



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