WFO Monthly/Daily Climate Data
Issued by NWS

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CXUS55 KSEW 080930
CF6SEA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   SEATTLE-TACOMA WA AIRPORT
                                          MONTH:     DECEMBER
                                          YEAR:      2016
                                          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  46  40  43   1  22   0 0.01  0.0    0  7.0 13 130   M    M   9 1      17 130
 2  49  44  47   5  18   0 0.27  0.0    0 11.4 22 200   M    M  10 1      27 200
 3  48  44  46   4  19   0 0.18  0.0    0 13.8 22 210   M    M   9 1      29 210
 4  45  35  40  -2  25   0 0.17  0.0    0  8.8 20 220   M    M   7 1      25 220
 5  39  33  36  -5  29   0 0.24    T    0  8.1 20 210   M    M   9 1      26 210
 6  40  31  36  -5  29   0 0.00  0.0    0  7.5 18 350   M    M   6 12     22 350
 7  38  28  33  -8  32   0 0.00  0.0    0 11.2 21  70   M    M   2        32  60
================================================================================
SM  305  255       174   0  0.87    T     67.8          M       52
================================================================================
AV 43.6 36.4                               9.7 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->  # 22 200               # 32   60
================================================================================
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:     2016
                                          LATITUDE:   47 27 N
                                          LONGITUDE: 122 18 W

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

AVERAGE MONTHLY: 40.0   TOTAL FOR MONTH:   0.87    1 = FOG OR MIST
DPTR FM NORMAL:  -1.6   DPTR FM NORMAL:   -0.48    2 = FOG REDUCING VISIBILITY
HIGHEST:    49 ON  2    GRTST 24HR  0.35 ON  3- 4      TO 1/4 MILE OR LESS
LOWEST:     28 ON  7                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:    T          5 = HAIL
                        GRTST 24HR    T  ON  5- 5  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:   5
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   4
MIN 32 OR BELOW:   2    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   174    CLEAR  (SCALE 0-3)   1
DPTR FM NORMAL    10    PTCLDY (SCALE 4-7)   2
TOTAL FM JUL 1  1025    CLOUDY (SCALE 8-10)  4
DPTR FM NORMAL  -322

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1   291    HIGHEST SLP M ON M
DPTR FM NORMAL   102    LOWEST  SLP 30.01 ON M

[REMARKS]


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