National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

887
CXUS55 KSEW 010930
CF6SEA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   SEATTLE-TACOMA WA AIRPORT
                                          MONTH:     AUGUST
                                          YEAR:      2020
                                          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  76  58  67   0   0   2 0.00  0.0    0  4.6 10 210   M    M   6        15 210
 2  82  57  70   3   0   5 0.00  0.0    0  5.8 15 220   M    M   4        18 220
 3  82  60  71   4   0   6 0.00  0.0    0  7.7 14  30   M    M   5        32 330
 4  84  61  73   6   0   8 0.00  0.0    0  7.7 16 330   M    M   1        30 220
 5  81  59  70   3   0   5 0.00  0.0    0  5.9 14 180   M    M   3        18 190
 6  73  58  66  -1   0   1 0.08  0.0    0 10.4 20  30   M    M   9 1      25  50
 7  75  58  67   0   0   2    T  0.0    0  6.1 14 340   M    M   7 8      15 340
 8  69  58  64  -3   1   0 0.01  0.0    0  4.6 13 350   M    M   9 18     15 350
 9  77  53  65  -2   0   0 0.00  0.0    0  6.8 15 350   M    M   1        20 320
10  82  56  69   2   0   4 0.00  0.0    0  6.4 14 360   M    M   2        20  10
11  76  57  67   0   0   2 0.00  0.0    0  8.1 16 210   M    M   7        21 210
12  71  55  63  -4   2   0 0.00  0.0    0  5.5 10 240   M    M   8        15 220
13  75  52  64  -2   1   0 0.00  0.0    0  7.3 15  20   M    M   2        18  20
14  81  55  68   2   0   3 0.00  0.0    0  9.0 15 340   M    M   1        19 330
15  88  61  75   9   0  10 0.00  0.0    0 10.1 20  10   M    M   0        23  20
16  98  63  81  15   0  16 0.00  0.0    0  4.8 13 210   M    M   4        18 240
17  88  64  76  10   0  11 0.00  0.0    0  6.7 15 210   M    M   2        19 180
18  81  61  71   5   0   6 0.00  0.0    0  6.8 13 190   M    M   3        20 190
19  83  59  71   5   0   6 0.00  0.0    0  5.4 14 200   M    M   6        17 230
20  80  62  71   5   0   6 0.08  0.0    0  6.5 13 200   M    M   8 1      17 210
21  71  60  66   0   0   1 0.11  0.0    0 10.4 21 210   M    M   9 1      28 210
22  75  58  67   1   0   2 0.01  0.0    0 10.2 18 350   M    M   6        23 350
23  77  55  66   0   0   1 0.00  0.0    0  7.6 16  20   M    M   3        19  10
24  76  56  66   0   0   1 0.00  0.0    0  6.4 12 300   M    M   4        15 280
25  78  54  66   1   0   1 0.00  0.0    0  6.9 15 350   M    M   2        19 350
26  78  57  68   3   0   3 0.00  0.0    0  7.3 20 340   M    M   2        22 360
27  81  55  68   3   0   3 0.00  0.0    0  5.8 13  20   M    M   1        16 330
28  78  58  68   3   0   3 0.00  0.0    0  7.3 15  30   M    M   1        19  50
29  70  55  63  -2   2   0 0.00  0.0    0  5.5 15  40   M    M   7        18  30
30  73  51  62  -3   3   0    T  0.0    0  6.2 14  20   M    M   4        17  20
31  71  54  63  -2   2   0 0.02  0.0    0  3.9 14 290   M    M   7 1      30 330
================================================================================
SM 2430 1780        11 108  0.31     0.0 213.7          M      134
================================================================================
AV 78.4 57.4                               6.9 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->  # 21 210               # 32  330
================================================================================
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:     2020
                                          LATITUDE:   47 27 N
                                          LONGITUDE: 122 18 W

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

AVERAGE MONTHLY: 67.9   TOTAL FOR MONTH:   0.31    1 = FOG OR MIST
DPTR FM NORMAL:   1.8   DPTR FM NORMAL:   -0.57    2 = FOG REDUCING VISIBILITY
HIGHEST:    98 ON 16    GRTST 24HR  0.11 ON 21-21      TO 1/4 MILE OR LESS
LOWEST:     51 ON 30                               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:   6
MAX 90 OR ABOVE:   1    0.10 INCH OR MORE:   1
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.    11    CLEAR  (SCALE 0-3)  14
DPTR FM NORMAL   -25    PTCLDY (SCALE 4-7)  13
TOTAL FM JUL 1    35    CLOUDY (SCALE 8-10)  4
DPTR FM NORMAL   -50

[CDD (BASE 65) ]
TOTAL THIS MO.   108
DPTR FM NORMAL    38    [PRESSURE DATA]
TOTAL FM JAN 1   261    HIGHEST SLP M ON M
DPTR FM NORMAL    93    LOWEST  SLP 29.78 ON M

[REMARKS]
#FINAL-08-20#