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000
CXUS55 KSEW 011030
CF6SEA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   SEATTLE-TACOMA WA AIRPORT
                                          MONTH:     DECEMBER
                                          YEAR:      2023
                                          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  50  39  45   1  20   0 0.63  0.0    0 12.7 24 210   M    M   9 1      36 210
 2  49  43  46   3  19   0 0.43  0.0    0 13.7 35 190   M    M   8 1      52 190
 3  54  43  49   6  16   0 0.22  0.0    0  9.9 23 210   M    M   9 1      38 200
 4  58  43  51   8  14   0 1.36  0.0    0  6.1 20 150   M    M  10 1      30 140
 5  59  48  54  11  11   0 2.39  0.0    0  6.9 18 180   M    M  10 1      25 190
 6  50  46  48   5  17   0 0.35  0.0    0  3.8  8 310   M    M  10 1      12 310
 7  47  37  42   0  23   0 0.40  0.0    0  9.4 18 220   M    M   9 13     26 190
 8  44  37  41  -1  24   0 0.00  0.0    0  5.7 13 220   M    M   7        17 150
 9  44  35  40  -2  25   0 0.64  0.0    0  4.6  9 190   M    M  10 1      14 210
10  53  44  49   7  16   0 0.14  0.0    0  7.5 17 210   M    M   9 1      23 210
11  47  42  45   3  20   0    T  0.0    0  6.9 13  20   M    M  10 1      21  20
12  44  34  39  -3  26   0 0.00  0.0    0  3.9 10  50   M    M   7 128    13  20
13  51  34  43   1  22   0 0.00  0.0    0  4.0 10 130   M    M   7 12     20 100
14  48  43  46   4  19   0 0.14  0.0    0  6.0 12  30   M    M  10 1      16 100
15  52  39  46   4  19   0 0.00  0.0    0  4.1 12 150   M    M   6        15 150
16  51  36  44   2  21   0 0.00  0.0    0  3.4  9  30   M    M   6        11  30
17  49  33  41  -1  24   0 0.00  0.0    0  6.1 16  30   M    M   8 12     19  30
18  50  38  44   2  21   0 0.05  0.0    0  4.0 10  70   M    M  10 12     19  80
19  52  47  50   8  15   0 0.12  0.0    0  8.3 18 110   M    M   9 18     25  70
20  51  38  45   3  20   0 0.00  0.0    0  3.5 10 120   M    M   4 128    13 130
21  50  42  46   4  19   0 0.00  0.0    0  3.9 10 150   M    M   8 12     15 160
22  45  37  41  -1  24   0 0.67  0.0    0  7.9 18 210   M    M   9 1      26 210
23  45  33  39  -3  26   0 0.00  0.0    0  4.6 10  30   M    M   3 18     18  70
24  44  30  37  -5  28   0    T  0.0    0  7.0 18 230   M    M   8        23 220
25  48  41  45   3  20   0 0.59  0.0    0 14.0 22 110   M    M  10 1      29 120
26  53  44  49   7  16   0 0.09  0.0    0  9.1 17 100   M    M   8 1      25 100
27  55  47  51   9  14   0 0.10  0.0    0 12.8 24 110   M    M   9        34 120
28  56  45  51   9  14   0 0.06  0.0    0 10.5 20 100   M    M  10 1      27 100
29  63  53  58  16   7   0    T  0.0    0 12.6 28 120   M    M   9        41 120
30  56  43  50   8  15   0 0.10  0.0    0  5.6 13 200   M    M   9 1      18 220
31  50  38  44   2  21   0 0.00  0.0    0  3.5  9 140   M    M   6        14 150
================================================================================
SM 1568 1252       596   0  8.48  0.0    222.0          M      257
================================================================================
AV 50.6 40.4                               7.2 FASTST   M    M   8    MAX(MPH)
                                 MISC ---->    35 190                 52 190
================================================================================
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:     DECEMBER
                                          YEAR:      2023
                                          LATITUDE:   47 27 N
                                          LONGITUDE: 122 18 W

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

AVERAGE MONTHLY: 45.5   TOTAL FOR MONTH:   8.48    1 = FOG OR MIST
DPTR FM NORMAL:   3.5   DPTR FM NORMAL:    2.76    2 = FOG REDUCING VISIBILITY
HIGHEST:    63 ON 29    GRTST 24HR  3.00 ON  4- 5      TO 1/4 MILE OR LESS
LOWEST:     30 ON 24                               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:  18
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:  15
MIN 32 OR BELOW:   1    0.50 INCH OR MORE:   6
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   2

[HDD (BASE 65) ]
TOTAL THIS MO.   596    CLEAR  (SCALE 0-3)   1
DPTR FM NORMAL  -115    PTCLDY (SCALE 4-7)  11
TOTAL FM JUL 1  1599    CLOUDY (SCALE 8-10) 19
DPTR FM NORMAL  -171

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1   378    HIGHEST SLP 30.47 ON  8
DPTR FM NORMAL   115    LOWEST  SLP 29.49 ON 19

[REMARKS]
#FINAL-12-23#