WFO Monthly/Daily Climate Data
Issued by NWS

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CXUS55 KSEW 250945
CF6SEA

PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   SEATTLE-TACOMA WA AIRPORT
                                          MONTH:     MAY
                                          YEAR:      2015
                                          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  65  48  57   4   8   0 0.00  0.0    0  8.2 17  40   M    M   7        22  50
 2  65  46  56   3   9   0 0.00  0.0    0  8.3 16 360   M    M   3        20 320
 3  69  46  58   5   7   0 0.00  0.0    0  5.8 12 290   M    M   0        15 290
 4  63  45  54   0  11   0 0.00  0.0    0 11.6 23 220   M    M   3        32 230
 5  58  45  52  -2  13   0 0.24  0.0    0 11.3 21  30   M    M   7 1      30 210
 6  62  45  54   0  11   0 0.00  0.0    0  5.9 18  10   M    M   6 1      24  10
 7  69  43  56   2   9   0 0.00  0.0    0  6.6 16 350   M    M   2        22 360
 8  75  47  61   7   4   0 0.00  0.0    0  6.8 16 350   M    M   0        20 340
 9  80  49  65  10   0   0 0.00  0.0    0  5.7 12  50   M    M   5        14 330
10  67  52  60   5   5   0    T  0.0    0  6.2 14 220   M    M   7        16 220
11  57  50  54  -1  11   0    T  0.0    0  5.6 10 190   M    M  10 1      13 150
12  60  51  56   1   9   0 0.17  0.0    0  7.3 15 190   M    M  10 1      20 190
13  54  50  52  -4  13   0 0.16  0.0    0  6.2 14 200   M    M  10 1      17 200
14  64  49  57   1   8   0 0.01  0.0    0  4.5 10  10   M    M   7 1      13 350
15  68  49  59   3   6   0 0.00  0.0    0  6.3 14 240   M    M   7 1      17 230
16  60  52  56   0   9   0 0.00  0.0    0  6.6 13 220   M    M  10        17 220
17  67  51  59   3   6   0 0.00  0.0    0  4.6 10  20   M    M   8        14 250
18  78  54  66  10   0   1 0.00  0.0    0  6.8 14 350   M    M   4        17 340
19  71  53  62   5   3   0 0.00  0.0    0  5.8  9 210   M    M   7        13 210
20  74  51  63   6   2   0 0.00  0.0    0  4.0 10 350   M    M   8 12     15 260
21  78  53  66   9   0   1 0.00  0.0    0  4.6 14 200   M    M   6        18 220
22  62  53  58   1   7   0 0.00  0.0    0  8.3 14 200   M    M   9        32 220
23  61  53  57   0   8   0    T  0.0    0  5.8  9 220   M    M  10        13 270
24  64  52  58   0   7   0 0.00  0.0    0  6.1 12 260   M    M   9        14 180
================================================================================
SM 1591 1187       166   2  0.58     0.0 158.9          M      155
================================================================================
AV 66.3 49.5                               6.6 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->  # 23 220               # 32  230
================================================================================
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:    MAY
                                          YEAR:     2015
                                          LATITUDE:   47 27 N
                                          LONGITUDE: 122 18 W

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

AVERAGE MONTHLY: 57.9   TOTAL FOR MONTH:   0.58    1 = FOG OR MIST
DPTR FM NORMAL:   2.5   DPTR FM NORMAL:   -0.91    2 = FOG REDUCING VISIBILITY
HIGHEST:    80 ON  9    GRTST 24HR  0.31 ON 12-13      TO 1/4 MILE OR LESS
LOWEST:     43 ON  7                               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:   4
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   3
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.   166    CLEAR  (SCALE 0-3)   4
DPTR FM NORMAL   -68    PTCLDY (SCALE 4-7)  12
TOTAL FM JUL 1  3511    CLOUDY (SCALE 8-10)  8
DPTR FM NORMAL  -991

[CDD (BASE 65) ]
TOTAL THIS MO.     2
DPTR FM NORMAL     2    [PRESSURE DATA]
TOTAL FM JAN 1     2    HIGHEST SLP M ON M
DPTR FM NORMAL     2    LOWEST  SLP 29.81 ON 21

[REMARKS]


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