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000
CXUS55 KSEW 031920
CF6SEA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   SEATTLE-TACOMA WA AIRPORT
                                          MONTH:     APRIL
                                          YEAR:      2021
                                          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  58  42  50   2  15   0 0.00  0.0    0  5.6 12 210   M    M   6        14 220
 2  57  42  50   2  15   0 0.00  0.0    0  6.2 12 200   M    M   8        16 210
 3  63  41  52   3  13   0    T  0.0    0  6.6 17  30   M    M   9        21  30
 4  52  39  46  -3  19   0    T  0.0    0 11.3 22 360   M    M   7        27 360
 5  56  35  46  -3  19   0 0.00  0.0    0  4.1 10 260   M    M   2        15 250
 6  60  37  49   0  16   0 0.00  0.0    0  4.5  9 240   M    M   3        15 220
 7  48  42  45  -4  20   0 0.23  0.0    0 11.9 22 220   M    M  10 1      28 180
 8  54  40  47  -2  18   0 0.02  0.0    0  9.6 16 240   M    M   7 1      22 230
 9  50  36  43  -6  22   0 0.01  0.0    0 11.6 22 210   M    M   7        29 190
10  53  40  47  -2  18   0 0.01  0.0    0 10.9 23 220   M    M   7        30 220
11  54  34  44  -6  21   0 0.00  0.0    0  8.6 21 340   M    M   2        24 340
12  59  36  48  -2  17   0 0.00  0.0    0 13.1 25 340   M    M   2        32 350
13  64  40  52   2  13   0 0.00  0.0    0 14.2 29 340   M    M   0        35 360
14  67  39  53   3  12   0 0.00  0.0    0 10.4 23  30   M    M   0        29  20
15  75  43  59   9   6   0 0.00  0.0    0  8.0 18 350   M    M   0        23 340
16  79  47  63  13   2   0 0.00  0.0    0  7.5 18 360   M    M   0        22 360
17  80  48  64  14   1   0 0.00  0.0    0  4.5 10 310   M    M   0        14 300
18  79  50  65  14   0   0 0.00  0.0    0  5.3 14 270   M    M   1        18 250
19  72  48  60   9   5   0 0.00  0.0    0  4.7 10  80   M    M   4        13  50
20  72  48  60   9   5   0 0.00  0.0    0  7.3 16 360   M    M   2        23 350
21  73  48  61  10   4   0 0.00  0.0    0  5.0 12  20   M    M   3        16 290
22  62  47  55   4  10   0 0.00  0.0    0  7.8 14 240   M    M   6        18 240
23  61  45  53   2  12   0 0.04  0.0    0  8.9 16 210   M    M   8        22 210
24  50  47  49  -3  16   0 0.51  0.0    0  8.1 15 210   M    M  10 1      20 210
25  60  47  54   2  11   0 0.10  0.0    0  8.9 15 270   M    M   9 1      19 250
26  61  45  53   1  12   0 0.00  0.0    0  6.9 12 260   M    M   5        18 250
27  61  45  53   1  12   0 0.00  0.0    0  6.9 14 210   M    M   8        19 210
28  64  47  56   4   9   0 0.00  0.0    0  4.4 10 360   M    M   9        16 360
29  74  49  62   9   3   0 0.00  0.0    0  7.1 20 220   M    M   8        25 250
30  65  50  58   5   7   0 0.11  0.0    0 10.8 20 210   M    M   7 1      26 210
================================================================================
SM 1883 1297       353   0  1.03  0.0    240.7          M      150
================================================================================
AV 62.8 43.2                               8.0 FASTST   M    M   5    MAX(MPH)
                                 MISC ---->    29 340                 35 360
================================================================================
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:     APRIL
                                          YEAR:      2021
                                          LATITUDE:   47 27 N
                                          LONGITUDE: 122 18 W

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

AVERAGE MONTHLY: 53.0   TOTAL FOR MONTH:   1.03    1 = FOG OR MIST
DPTR FM NORMAL:   2.7   DPTR FM NORMAL:   -1.68    2 = FOG REDUCING VISIBILITY
HIGHEST:    80 ON 17    GRTST 24HR  0.56 ON 24-25      TO 1/4 MILE OR LESS
LOWEST:     34 ON 11                               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:   8
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   4
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   1
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   353    CLEAR  (SCALE 0-3)  11
DPTR FM NORMAL   -87    PTCLDY (SCALE 4-7)  14
TOTAL FM JUL 1  3847    CLOUDY (SCALE 8-10)  5
DPTR FM NORMAL  -420

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1     0    HIGHEST SLP 30.42 ON 11
DPTR FM NORMAL     0    LOWEST  SLP 29.73 ON 25

[REMARKS]
#FINAL-04-21#
CORRECTED SNOW DEPTH