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

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000
CXUS51 KLWX 300620
CF6IAD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   WASHINGTON DULLES DC
                                          MONTH:     SEPTEMBER
                                          YEAR:      2014
                                          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  89  71  80   7   0  15 0.01  0.0    0  2.8 21 310   M    M   6 13     29 310
 2  90  71  81   8   0  16 0.12  0.0    0  5.2 17 300   M    M   5 138    29 220
 3  85  69  77   5   0  12 0.00  0.0    0  2.0  9 360   M    M   7 1      10  30
 4  86  65  76   4   0  11 0.00  0.0    0  4.9 13 140   M    M   5        16 170
 5  89  68  79   7   0  14 0.00  0.0    0  4.2 12 190   M    M   5 1      15 200
 6  91  71  81   9   0  16 0.01  0.0    0  6.0 21 330   M    M   6 13     28 330
 7  78  65  72   1   0   7 0.00  0.0    0  9.6 18 360   M    M   8        23 330
 8  72  61  67  -4   0   2    T  0.0    0  5.7 15 100   M    M   8        22 120
 9  74  64  69  -2   0   4 0.00  0.0    0  6.5  9  30   M    M  10        13  50
10  77  67  72   2   0   7 0.00  0.0    0  6.0 13 150   M    M   9        17 150
11  86  67  77   7   0  12 0.00  0.0    0  9.0 20 350   M    M   7        24 350
12  74  60  67  -3   0   2 0.00  0.0    0  8.2 16 350   M    M   6        22  20
13  69  55  62  -7   3   0 0.07  0.0    0  5.3 18 330   M    M   8 1      23 320
14  68  45  57 -12   8   0 0.00  0.0    0  3.5 13  10   M    M   4        16  20
15  73  48  61  -7   4   0 0.00  0.0    0  2.6 10 230   M    M   6        14 240
16  76  52  64  -4   1   0 0.00  0.0    0  6.2 22 310   M    M   5 1      31 320
17  74  48  61  -7   4   0 0.00  0.0    0  2.5  9 250   M    M   4        12 260
18  77  53  65  -2   0   0 0.00  0.0    0  3.6 14 320   M    M   7        20 320
19  73  52  63  -4   2   0 0.00  0.0    0  6.5 15 120   M    M   7        22 120
20  79  55  67   1   0   2 0.00  0.0    0  5.0 14 140   M    M   4 1      17 170
21  84  52  68   2   0   3    T  0.0    0  6.3 22 300   M    M   4 1      29 310
22  72  54  63  -2   2   0 0.00  0.0    0 11.0 25 320   M    M   4        35 330
23  70  42  56  -9   9   0 0.00  0.0    0  4.1 12 350   M    M   6        14  20
24  68  47  58  -6   7   0 0.06  0.0    0  7.0 17  50   M    M   8        22  60
25  67  57  62  -2   3   0 0.58  0.0    0  9.3 16 350   M    M   9 1      21 360
26  76  52  64   0   1   0 0.00  0.0    0  5.3 16 350   M    M   5 12     20  40
27  80  51  66   3   0   1 0.00  0.0    0  3.5 10  90   M    M   2 1      17 180
28  80  49  65   2   0   0 0.00  0.0    0  1.8 10 210   M    M   7 1      13 220
29  70  57  64   2   1   0    T  0.0    0  1.8  8 190   M    M   8 1      10 190
================================================================================
SM 2247 1668        45 124  0.85     0.0 155.4          M      180
================================================================================
AV 77.5 57.5                               5.4 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->  # 25 320               # 35  330
================================================================================
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:     2014
                                          LATITUDE:   38 57 N
                                          LONGITUDE:  77 27 W

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

AVERAGE MONTHLY: 67.5   TOTAL FOR MONTH:   0.85    1 = FOG OR MIST
DPTR FM NORMAL:  -0.6   DPTR FM NORMAL:   -2.93    2 = FOG REDUCING VISIBILITY
HIGHEST:    91 ON  6    GRTST 24HR  0.64 ON 24-25      TO 1/4 MILE OR LESS
LOWEST:     42 ON 23                               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:   6
MAX 90 OR ABOVE:   2    0.10 INCH OR MORE:   2
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   1
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.    45    CLEAR  (SCALE 0-3)   1
DPTR FM NORMAL    -5    PTCLDY (SCALE 4-7)  23
TOTAL FM JUL 1    48    CLOUDY (SCALE 8-10)  5
DPTR FM NORMAL    -4

[CDD (BASE 65) ]
TOTAL THIS MO.   124
DPTR FM NORMAL   -15    [PRESSURE DATA]
TOTAL FM JAN 1   957    HIGHEST SLP M ON M
DPTR FM NORMAL  -198    LOWEST  SLP 29.65 ON 21

[REMARKS]


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