WFO Monthly/Daily Climate Data
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CXUS55 KSEW 020128
CF6SEA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   SEATTLE-TACOMA WA AIRPORT
                                          MONTH:     JULY
                                          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  74  62  68   3   0   3 0.00  0.0    0  5.2  9 280   M    M   9        13 240
 2  79  58  69   4   0   4 0.00  0.0    0  6.2 12 270   M    M   7        17 260
 3  82  57  70   5   0   5 0.00  0.0    0  4.8 10 250   M    M   2        16 260
 4  77  57  67   2   0   2 0.00  0.0    0  7.9 12 230   M    M   4 18     19 230
 5  74  56  65  -1   0   0 0.00  0.0    0  6.5 13 190   M    M   5 8      15 200
 6  82  54  68   2   0   3 0.00  0.0    0  5.2 12 350   M    M   5 128    14 300
 7  71  56  64  -2   1   0    T  0.0    0 10.7 17 230   M    M   6        24 210
 8  73  53  63  -3   2   0 0.00  0.0    0  5.1 10 220   M    M   7        16 190
 9  82  54  68   2   0   3 0.00  0.0    0  6.8 14 330   M    M   2        18  20
10  79  57  68   2   0   3 0.00  0.0    0  5.1 13  30   M    M   2 18     16  20
11  81  55  68   1   0   3 0.00  0.0    0  6.9 13  20   M    M   1        17 330
12  81  55  68   1   0   3 0.00  0.0    0  5.9 14  20   M    M   1        18 300
13  81  54  68   1   0   3 0.00  0.0    0  6.5 12 200   M    M   3 1      13 210
14  74  54  64  -3   1   0 0.00  0.0    0  7.0 12 190   M    M   4 1      15 190
15  69  54  62  -5   3   0 0.00  0.0    0  8.1 14 200   M    M   8 1      16 220
16  71  56  64  -3   1   0 0.00  0.0    0  7.9 14 210   M    M   9        18 210
17  77  55  66  -2   0   1 0.00  0.0    0  7.0 14 360   M    M   6        16 250
18  80  57  69   1   0   4 0.00  0.0    0  6.7 13 300   M    M   4        17 310
19  82  55  69   1   0   4 0.00  0.0    0  5.7 13 210   M    M   1        16 230
20  72  57  65  -3   0   0    T  0.0    0  6.9 12  20   M    M   8 1      19 240
21  72  56  64  -4   1   0 0.00  0.0    0  5.2 10 250   M    M   8        15 260
22  77  53  65  -3   0   0 0.00  0.0    0  6.4 13  10   M    M   5        17 300
23  80  53  67  -1   0   2 0.00  0.0    0  6.7 14 340   M    M   2        17 360
24  84  60  72   4   0   7 0.00  0.0    0  9.3 20 340   M    M   1        23 350
25  85  60  73   5   0   8 0.00  0.0    0  8.9 18  30   M    M   1        23  30
26  83  60  72   4   0   7 0.00  0.0    0  9.4 16  30   M    M   2        21  10
27  83  63  73   5   0   8 0.00  0.0    0  7.0 14  30   M    M   4        16  30
28  88  58  73   5   0   8 0.00  0.0    0  6.4 16  30   M    M   4        19  20
29  91  59  75   7   0  10 0.00  0.0    0  7.9 17  40   M    M   1        21  20
30  92  61  77   9   0  12 0.00  0.0    0  8.5 17  20   M    M   2        22 230
31  77  64  71   3   0   6    T  0.0    0  5.6 21  30   M    M   9        23  30
================================================================================
SM 2453 1763         9 109     T  0.0    213.4          M      133
================================================================================
AV 79.1 56.9                               6.9 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->    21  30                 24 210
================================================================================
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:     JULY
                                          YEAR:      2021
                                          LATITUDE:   47 27 N
                                          LONGITUDE: 122 18 W

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

AVERAGE MONTHLY: 68.0   TOTAL FOR MONTH:      T    1 = FOG OR MIST
DPTR FM NORMAL:   0.9   DPTR FM NORMAL:   -0.60    2 = FOG REDUCING VISIBILITY
HIGHEST:    92 ON 30    GRTST 24HR     T ON 30- 1      TO 1/4 MILE OR LESS
LOWEST:     53 ON 23,22                             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:   0
MAX 90 OR ABOVE:   2    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.     9    CLEAR  (SCALE 0-3)  13
DPTR FM NORMAL   -22    PTCLDY (SCALE 4-7)  15
TOTAL FM JUL 1     9    CLOUDY (SCALE 8-10)  3
DPTR FM NORMAL   -27

[CDD (BASE 65) ]
TOTAL THIS MO.   109
DPTR FM NORMAL    13    [PRESSURE DATA]
TOTAL FM JAN 1   238    HIGHEST SLP 30.30 ON 23
DPTR FM NORMAL   103    LOWEST  SLP 29.92 ON  6

[REMARKS]
#FINAL-07-21#
CORRECTED SNOW DEPTHS ON 31ST


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