WFO Monthly/Daily Climate Data
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000
CXUS55 KSEW 230930
CF6SEA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   SEATTLE-TACOMA WA AIRPORT
                                          MONTH:     SEPTEMBER
                                          YEAR:      2018
                                          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  73  57  65   1   0   0 0.00  0.0    0  6.6 13  30   M    M   8        15  30
 2  76  52  64   0   1   0 0.00  0.0    0  7.0 17  30   M    M   1        20  40
 3  74  58  66   2   0   1 0.00  0.0    0  7.2 13  10   M    M   4        16  80
 4  77  55  66   2   0   1 0.00  0.0    0  7.9 14  10   M    M   2        18 360
 5  82  57  70   6   0   5 0.00  0.0    0  7.5 15  10   M    M   1        19  20
 6  85  56  71   7   0   6 0.00  0.0    0  4.8 15 210   M    M   1        18 200
 7  75  56  66   3   0   1 0.05  0.0    0  6.7 14 130   M    M   7        17 220
 8  71  58  65   2   0   0 0.04  0.0    0  8.4 14 200   M    M   8 1      19 170
 9  75  57  66   3   0   1 0.13  0.0    0  9.1 18 220   M    M   8 1      25 230
10  68  58  63   0   2   0    T  0.0    0 10.8 20 210   M    M   7 1      24 190
11  67  56  62  -1   3   0    T  0.0    0  9.2 17 210   M    M   8        21 210
12  67  55  61  -1   4   0 0.01  0.0    0  7.1 13 200   M    M   9 1      17  40
13  70  55  63   1   2   0    T  0.0    0  6.5 16 210   M    M   8 18     19 210
14  67  55  61  -1   4   0 0.42  0.0    0  6.8 15 160   M    M   9 1      19 210
15  63  53  58  -4   7   0 0.01  0.0    0  7.1 14 200   M    M   9        18 180
16  65  51  58  -3   7   0 0.17  0.0    0 10.6 20 180   M    M   6 1      24 210
17  65  51  58  -3   7   0 0.00  0.0    0  7.4 15  10   M    M   4        20  20
18  67  48  58  -3   7   0 0.00  0.0    0  6.2 14  30   M    M   5        18 260
19  68  48  58  -3   7   0 0.03    M    0  5.6 12 210   M    M   4        15 230
20  66  53  60   0   5   0 0.05  0.0    0  5.5 13 220   M    M   9 1      17 210
21  72  59  66   6   0   1 0.02  0.0    0  8.7 17 200   M    M   8 1      22 190
22  68  55  62   2   3   0 0.05  0.0    0 14.4 25 210   M    M   8 1      31 180
================================================================================
SM 1561 1203        59  16  0.98     0.0 171.1          M      134
================================================================================
AV 71.0 54.7                               7.8 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->  # 25 210               # 31  180
================================================================================
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:    SEPTEMBER
                                          YEAR:     2018
                                          LATITUDE:   47 27 N
                                          LONGITUDE: 122 18 W

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

AVERAGE MONTHLY: 62.8   TOTAL FOR MONTH:   0.98    1 = FOG OR MIST
DPTR FM NORMAL:   0.5   DPTR FM NORMAL:   -0.02    2 = FOG REDUCING VISIBILITY
HIGHEST:    85 ON  6    GRTST 24HR  0.42 ON 14-14      TO 1/4 MILE OR LESS
LOWEST:     48 ON 19,18                            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:  11
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   3
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.    59    CLEAR  (SCALE 0-3)   4
DPTR FM NORMAL   -18    PTCLDY (SCALE 4-7)  12
TOTAL FM JUL 1    83    CLOUDY (SCALE 8-10)  6
DPTR FM NORMAL   -79

[CDD (BASE 65) ]
TOTAL THIS MO.    16
DPTR FM NORMAL    -3    [PRESSURE DATA]
TOTAL FM JAN 1   401    HIGHEST SLP M ON M
DPTR FM NORMAL   214    LOWEST  SLP 29.79 ON 16

[REMARKS]


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