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

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000
CXUS51 KLWX 260620
CF6IAD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   WASHINGTON DULLES DC
                                          MONTH:     JANUARY
                                          YEAR:      2015
                                          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  42  18  30  -3  35   0 0.00  0.0    0  7.0 17 210   M    M   3        22 200
 2  44  23  34   1  31   0 0.00  0.0    0  0.4  7  10   M    M   7         8  10
 3  38  24  31  -2  34   0 0.56    T    0  2.1  7 160   M    M   9 146     9 150
 4  60  38  49  16  16   0 0.28  0.0    0 12.7 30 300   M    M   9 12     36 290
 5  46  24  35   2  30   0 0.00  0.0    0 16.2 33 290   M    M   6        40 290
 6  28  12  20 -13  45   0 0.28  4.2    1  3.6  9 320   M    M   8 12     13 320
 7  22   9  16 -17  49   0    T    T    3 13.3 29 300   M    M   6 8      37 300
 8  21   3  12 -21  53   0 0.00  0.0    2  9.3 29 310   M    M   4        37 310
 9  36  21  29  -4  36   0    T    T    2 10.7 25 200   M    M   5        35 170
10  25   8  17 -16  48   0 0.00  0.0    2  5.2 16 330   M    M   0        22 320
11  39   7  23 -10  42   0    T  0.0    2  3.1 15 160   M    M   7        25 110
12  38  32  35   2  30   0 0.62  0.0    1  4.5 14 330   M    M  10 1      17 320
13  38  22  30  -3  35   0 0.00  0.0    0 11.3 22  20   M    M   8        26 340
14  28  21  25  -8  40   0    T    T    T  6.5 12 350   M    M  10 18     14 360
15  36  22  29  -4  36   0 0.00  0.0    0  2.6 12 210   M    M   6 1      14 220
16  42  19  31  -2  34   0 0.00  0.0    0  8.7 28 300   M    M   2 1      33 300
17  37  20  29  -4  36   0 0.00  0.0    0  7.0 14 150   M    M   3        18 150
18  43  30  37   4  28   0    T  0.0    0  5.2 21 180   M    M   7 1      28 180
19  46  25  36   3  29   0 0.00  0.0    0  6.3 22 290   M    M   6        26 290
20  46  21  34   1  31   0    T  0.0    0  1.3 13 340   M    M   5        22  40
21  33  25  29  -4  36   0 0.16  2.2    0  1.5  8 300   M    M   8 12      9 310
22  44  30  37   4  28   0 0.01    T    1  7.9 25 290   M    M   9 128    32 300
23  40  23  32  -1  33   0 0.68  0.3    0  4.6 13 190   M    M   8 14     16 200
24  42  32  37   4  28   0 0.37    T    T  9.2 22 290   M    M   8 1      28 300
25  47  33  40   7  25   0 0.00  0.0    0  4.3 14 290   M    M   9        28  90
================================================================================
SM  961  542       868   0  2.96     6.7 164.5          M      163
================================================================================
AV 38.4 21.7                               6.6 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->  # 33 290               # 40  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:    JANUARY
                                          YEAR:     2015
                                          LATITUDE:   38 57 N
                                          LONGITUDE:  77 27 W

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

AVERAGE MONTHLY: 30.1   TOTAL FOR MONTH:   2.96    1 = FOG OR MIST
DPTR FM NORMAL:  -2.9   DPTR FM NORMAL:    0.83    2 = FOG REDUCING VISIBILITY
HIGHEST:    60 ON  4    GRTST 24HR  1.05 ON 23-24      TO 1/4 MILE OR LESS
LOWEST:      3 ON  8                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   6.7 INCHES  5 = HAIL
                        GRTST 24HR   4.2 ON   M    6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   3 ON  7     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:   5    0.01 INCH OR MORE:   8
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   7
MIN 32 OR BELOW:  23    0.50 INCH OR MORE:   3
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   868    CLEAR  (SCALE 0-3)   4
DPTR FM NORMAL    68    PTCLDY (SCALE 4-7)  15
TOTAL FM JUL 1  2679    CLOUDY (SCALE 8-10)  6
DPTR FM NORMAL    81

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1     0    HIGHEST SLP M ON M
DPTR FM NORMAL     0    LOWEST  SLP 29.46 ON 24

[REMARKS]


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