WFO Monthly/Daily Climate Data
Issued by NWS Seattle/Tacoma, WA

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674
CXUS55 KSEW 190930
CF6SEW
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   SEATTLE WA WFO
                                          MONTH:     SEPTEMBER
                                          YEAR:      2024
                                          LATITUDE:   47 41 N
                                          LONGITUDE: 122 15 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  85  60  73   8   0   8 0.00  0.0    0    M  M   M   M    M   M         M   M
 2  71  61  66   1   0   1 0.00  0.0    0    M  M   M   M    M   M         M   M
 3  75  59  67   2   0   2 0.00  0.0    0    M  M   M   M    M   M         M   M
 4  80  57  69   4   0   4 0.00  0.0    0    M  M   M   M    M   M 1       M   M
 5  89  58  74   9   0   9 0.00  0.0    0    M  M   M   M    M   M         M   M
 6  87  60  74  10   0   9 0.00  0.0    0    M  M   M   M    M   M         M   M
 7  80  62  71   7   0   6 0.00  0.0    0    M  M   M   M    M   M         M   M
 8  76  59  68   4   0   3 0.00  0.0    0    M  M   M   M    M   M         M   M
 9  72  59  66   2   0   1 0.00  0.0    0    M  M   M   M    M   M         M   M
10  72  57  65   1   0   0    T  0.0    0    M  M   M   M    M   M         M   M
11  70  55  63  -1   2   0 0.13  0.0    0    M  M   M   M    M   M         M   M
12  70  53  62  -1   3   0 0.00  0.0    0    M  M   M   M    M   M         M   M
13  68  54  61  -2   4   0 0.12  0.0    0    M  M   M   M    M   M         M   M
14  66  56  61  -2   4   0 0.14  0.0    0    M  M   M   M    M   M         M   M
15  66  53  60  -3   5   0    T  0.0    0    M  M   M   M    M   M 1       M   M
16  73  50  62   0   3   0 0.00  0.0    0    M  M   M   M    M   M         M   M
17  66  51  59  -3   6   0 0.00  0.0    0    M  M   M   M    M   M         M   M
18  71  55  63   1   2   0 0.00  0.0    0    M  M   M   M    M   M         M   M
================================================================================
SM 1337 1019        29  43  0.39  0.0        M          M        M
================================================================================
AV 74.3 56.6                                 M FASTST   M    M   M    MAX(MPH)
                                 MISC ---->     M   M                  M   M
================================================================================
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 WA WFO
                                          MONTH:     SEPTEMBER
                                          YEAR:      2024
                                          LATITUDE:   47 41 N
                                          LONGITUDE: 122 15 W

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

AVERAGE MONTHLY: 65.4   TOTAL FOR MONTH:   0.39    1 = FOG OR MIST
DPTR FM NORMAL:   1.7   DPTR FM NORMAL:   -0.58    2 = FOG REDUCING VISIBILITY
HIGHEST:    89 ON  5    GRTST 24HR  0.14 ON 14-14      TO 1/4 MILE OR LESS
LOWEST:     50 ON 16                               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:   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.    29    CLEAR  (SCALE 0-3)   0
DPTR FM NORMAL   -16    PTCLDY (SCALE 4-7)   0
TOTAL FM JUL 1    56    CLOUDY (SCALE 8-10) 18
DPTR FM NORMAL   -43

[CDD (BASE 65) ]
TOTAL THIS MO.    43
DPTR FM NORMAL    21    [PRESSURE DATA]
TOTAL FM JAN 1   332    HIGHEST SLP M ON M
DPTR FM NORMAL   124    LOWEST  SLP M ON M

[REMARKS]