WFO Monthly/Daily Climate Data
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000
CXUS55 KSEW 200930
CF6SEA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   SEATTLE-TACOMA WA AIRPORT
                                          MONTH:     AUGUST
                                          YEAR:      2017
                                          LATITUDE:   47 27 N
                                          LONGITUDE: 122 18 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  87  60  74   7   0   9 0.00  0.0    0  8.1 17 340   M    M   1 8      23  20
 2  91  69  80  13   0  15 0.00  0.0    0  9.6 16  10   M    M   3 8      21 350
 3  94  68  81  14   0  16 0.00  0.0    0  6.2 13 290   M    M   7 8      15  10
 4  91  62  77  10   0  12 0.00  0.0    0  5.6 10 230   M    M   1 8      14 210
 5  82  58  70   3   0   5 0.00  0.0    0  5.7 10 190   M    M   1 8      14 170
 6  82  58  70   3   0   5 0.00  0.0    0  4.4 12 350   M    M   4 8      15 320
 7  84  57  71   4   0   6 0.00  0.0    0  4.2 12 280   M    M   5 8      17 260
 8  89  59  74   7   0   9 0.00  0.0    0  4.5 13 360   M    M   6 18     17  34
 9  91  61  76   9   0  11 0.00  0.0    0  3.9  9 280   M    M   6 8      13 270
10  90  60  75   8   0  10 0.00  0.0    0  5.0 12 350   M    M   1 18     14 350
11  77  57  67   0   0   2 0.00  0.0    0  6.5 15 210   M    M   3 18     17 220
12  76  58  67   0   0   2 0.02  0.0    0  8.3 17 210   M    M   8        21 240
13  74  60  67   1   0   2    T  0.0    0 10.8 18  40   M    M   8 1      23  30
14  73  56  65  -1   0   0 0.00  0.0    0  6.9 12  20   M    M   8        18 320
15  78  55  67   1   0   2 0.00  0.0    0  7.6 15  20   M    M   2        18  20
16  79  57  68   2   0   3 0.00  0.0    0  5.6 14  20   M    M   3        17  30
17  75  59  67   1   0   2 0.00  0.0    0  5.1 10  20   M    M   6        14 270
18  73  55  64  -2   1   0 0.00  0.0    0  6.6 16  30   M    M   6        20  40
19  76  58  67   1   0   2 0.00  0.0    0  8.7 17  30   M    M   5        21  30
================================================================================
SM 1562 1127         1 113  0.02     0.0 123.3          M       84
================================================================================
AV 82.2 59.3                               6.5 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->  # 18  40               # 23   20
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2

                                          STATION:  SEATTLE-TACOMA WA AIRPORT
                                          MONTH:    AUGUST
                                          YEAR:     2017
                                          LATITUDE:   47 27 N
                                          LONGITUDE: 122 18 W

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

AVERAGE MONTHLY: 70.8   TOTAL FOR MONTH:   0.02    1 = FOG OR MIST
DPTR FM NORMAL:   4.1   DPTR FM NORMAL:   -0.44    2 = FOG REDUCING VISIBILITY
HIGHEST:    94 ON  3    GRTST 24HR  0.02 ON 12-12      TO 1/4 MILE OR LESS
LOWEST:     55 ON 18,15                            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:   1
MAX 90 OR ABOVE:   5    0.10 INCH OR MORE:   0
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.     1    CLEAR  (SCALE 0-3)   6
DPTR FM NORMAL   -18    PTCLDY (SCALE 4-7)  13
TOTAL FM JUL 1     7    CLOUDY (SCALE 8-10)  0
DPTR FM NORMAL   -61

[CDD (BASE 65) ]
TOTAL THIS MO.   113
DPTR FM NORMAL    61    [PRESSURE DATA]
TOTAL FM JAN 1   262    HIGHEST SLP M ON M
DPTR FM NORMAL   112    LOWEST  SLP 29.85 ON  3

[REMARKS]



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