WFO Monthly/Daily Climate Data
Issued by NWS

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000
CXUS55 KSEW 170930
CF6SEA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   SEATTLE-TACOMA WA AIRPORT
                                          MONTH:     DECEMBER
                                          YEAR:      2014
                                          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  40  26  33  -9  32   0 0.00  0.0    0  5.0 10  30   M    M   3        13 100
 2  42  26  34  -8  31   0 0.00  0.0    0 12.8 23  20   M    M   3 1      28  20
 3  50  32  41  -1  24   0 0.00  0.0    0  8.0 28 210   M    M   7        29 210
 4  47  39  43   1  22   0 0.03  0.0    0  2.4 10 110   M    M  10 1      13 110
 5  55  44  50   9  15   0 0.12  0.0    0  7.0 18 110   M    M   8 1      24 110
 6  53  46  50   9  15   0 0.29  0.0    0  8.1 16 200   M    M   9 1      21 200
 7  58  43  51  10  14   0 0.00  0.0    0  6.2 20 130   M    M   7        24 340
 8  58  48  53  12  12   0 0.36  0.0    0  9.3 17 100   M    M  10 1      21 120
 9  61  51  56  15   9   0 0.39  0.0    0 11.4 23 160   M    M   8 1      30 150
10  66  50  58  17   7   0 0.51  0.0    0 15.0 35 170   M    M  10 1      46 160
11  58  47  53  12  12   0 0.27  0.0    0 14.3 36 190   M    M   8 1      49 180
12  52  45  49   9  16   0    T  0.0    0  8.2 26 190   M    M   8        35 200
13  50  39  45   5  20   0    T  0.0    0  2.4  8 180   M    M   8 12      8 320
14  55  35  45   5  20   0 0.00  0.0    0  7.9 22 110   M    M   5 12     30 120
15  54  44  49   9  16   0 0.00  0.0    0 13.2 22 120   M    M   6        29 120
16  50  47  49   9  16   0    T    M    0  9.0 15 110   M    M   9        22 110
================================================================================
SM  849  662       281   0  1.97     0.0 140.2          M      119
================================================================================
AV 53.1 41.4                               8.8 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->  # 36 190               # 49  180
================================================================================
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:     2014
                                          LATITUDE:   47 27 N
                                          LONGITUDE: 122 18 W

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

AVERAGE MONTHLY: 47.2   TOTAL FOR MONTH:   1.97    1 = FOG OR MIST
DPTR FM NORMAL:   6.3   DPTR FM NORMAL:   -0.90    2 = FOG REDUCING VISIBILITY
HIGHEST:    66 ON 10    GRTST 24HR  0.66 ON  9-10      TO 1/4 MILE OR LESS
LOWEST:     26 ON  2, 1                            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:   7
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   6
MIN 32 OR BELOW:   3    0.50 INCH OR MORE:   1
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   281    CLEAR  (SCALE 0-3)   1
DPTR FM NORMAL  -104    PTCLDY (SCALE 4-7)   9
TOTAL FM JUL 1  1121    CLOUDY (SCALE 8-10)  6
DPTR FM NORMAL  -447

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1   369    HIGHEST SLP M ON M
DPTR FM NORMAL   180    LOWEST  SLP 29.10 ON 11

[REMARKS]



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