WFO Monthly/Daily Climate Data
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000
CXUS55 KSEW 250930
CF6SEA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   SEATTLE-TACOMA WA AIRPORT
                                          MONTH:     MAY
                                          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  62  48  55   2  10   0    T  0.0    0  5.4 10 300   M    M   7        13 330
 2  70  45  58   5   7   0 0.00  0.0    0  5.1 12 360   M    M   3 1      15 280
 3  74  50  62   9   3   0 0.00  0.0    0  7.2 21 220   M    M   7        25 210
 4  64  50  57   3   8   0 0.00  0.0    0  7.6 16  30   M    M   8        20 360
 5  68  48  58   4   7   0 0.01  0.0    0  8.1 15  20   M    M   8        18  20
 6  77  52  65  11   0   0 0.00  0.0    0  6.3 18 220   M    M   8        23 220
 7  69  53  61   7   4   0 0.00  0.0    0  5.9 12 280   M    M   6        16 260
 8  75  50  63   9   2   0 0.03  0.0    0  6.1 20 220   M    M   6        26 210
 9  67  52  60   5   5   0    T  0.0    0  9.9 18 250   M    M   7        25 230
10  62  50  56   1   9   0 0.04  0.0    0  7.8 14 210   M    M   8        20 210
11  67  50  59   4   6   0    T  0.0    0  5.0 13 260   M    M   7        16 270
12  77  49  63   8   2   0 0.00  0.0    0  7.5 16  40   M    M   1        22  30
13  85  52  69  13   0   4 0.00  0.0    0  4.7 13  40   M    M   1        16  40
14  88  58  73  17   0   8 0.00  0.0    0  6.0 13 340   M    M   1        15 340
15  69  54  62   6   3   0 0.00  0.0    0  8.9 14 220   M    M   6        17 240
16  68  53  61   5   4   0 0.00  0.0    0  8.3 14 200   M    M   7        20 220
17  67  53  60   4   5   0 0.00  0.0    0  6.8 12 230   M    M   9        15 260
18  66  53  60   4   5   0    T  0.0    0  5.0  9 200   M    M   9        14 220
19  72  45  59   2   6   0 0.04  0.0    0  3.8  8 270   M    M   9 1      11 280
20  68  55  62   5   3   0 0.00  0.0    0  6.9 10 360   M    M   9        13 360
21  72  54  63   6   2   0 0.00  0.0    0  5.7 15 290   M    M   5        19 290
22  79  51  65   8   0   0 0.00  0.0    0  8.7 15  20   M    M   1        17  10
23  80  55  68  11   0   3 0.00  0.0    0  6.9 15 200   M    M   3        18 210
24  70  54  62   4   3   0 0.00  0.0    0  6.5 13 210   M    M   8 1      16 310
================================================================================
SM 1716 1234        94  15  0.12     0.0 160.1          M      144
================================================================================
AV 71.5 51.4                               6.7 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->  # 21 220               # 26  210
================================================================================
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:    MAY
                                          YEAR:     2018
                                          LATITUDE:   47 27 N
                                          LONGITUDE: 122 18 W

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

AVERAGE MONTHLY: 61.5   TOTAL FOR MONTH:   0.12    1 = FOG OR MIST
DPTR FM NORMAL:   6.1   DPTR FM NORMAL:   -1.37    2 = FOG REDUCING VISIBILITY
HIGHEST:    88 ON 14    GRTST 24HR  0.04 ON 19-19      TO 1/4 MILE OR LESS
LOWEST:     45 ON 19, 2                            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:   4
MAX 90 OR ABOVE:   0    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.    94    CLEAR  (SCALE 0-3)   4
DPTR FM NORMAL  -140    PTCLDY (SCALE 4-7)  16
TOTAL FM JUL 1  4105    CLOUDY (SCALE 8-10)  4
DPTR FM NORMAL  -397

[CDD (BASE 65) ]
TOTAL THIS MO.    15
DPTR FM NORMAL    15    [PRESSURE DATA]
TOTAL FM JAN 1    17    HIGHEST SLP M ON M
DPTR FM NORMAL    17    LOWEST  SLP 29.77 ON 23

[REMARKS]



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