WFO Monthly/Daily Climate Data Issued by NWS
000
CXUS55 KSEW 200930
CF6SEA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: SEATTLE-TACOMA WA AIRPORT
MONTH: APRIL
YEAR: 2018
LATITUDE: 47 27 N
LONGITUDE: 122 18 W
TEMPERATURE IN F: :PCPN: SNOW: WIND :SUNSHINE: SKY :PK WND
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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
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1 50 38 44 -4 21 0 T 0.0 0 15.0 26 210 M M 8 34 210
2 53 36 45 -3 20 0 0.00 0.0 0 11.7 21 220 M M 6 27 200
3 50 39 45 -4 20 0 0.00 0.0 0 6.0 14 200 M M 9 18 200
4 50 41 46 -3 19 0 0.29 0.0 0 4.8 10 80 M M 10 1 13 80
5 56 46 51 2 14 0 0.21 0.0 0 6.4 14 100 M M 10 12 16 170
6 65 49 57 8 8 0 0.05 0.0 0 6.8 14 90 M M 8 1 19 180
7 62 46 54 5 11 0 0.82 0.0 0 11.2 22 200 M M 10 1 30 210
8 51 46 49 0 16 0 0.39 0.0 0 16.2 24 170 M M 10 1 30 220
9 62 44 53 4 12 0 0.00 0.0 0 6.6 14 200 M M 8 19 200
10 60 46 53 4 12 0 0.18 0.0 0 10.8 24 200 M M 7 1 31 190
11 54 42 48 -2 17 0 0.21 0.0 0 10.2 26 200 M M 10 1 38 220
12 51 41 46 -4 19 0 0.11 0.0 0 11.8 20 220 M M 8 1 25 230
13 53 43 48 -2 17 0 0.66 0.0 0 14.3 25 190 M M 10 1 33 200
14 53 45 49 -1 16 0 1.70 0.0 0 6.3 17 160 M M 10 1 22 160
15 51 43 47 -3 18 0 0.12 0.0 0 10.0 22 360 M M 10 1 25 360
16 47 41 44 -6 21 0 0.59 0.0 0 14.4 25 200 M M 9 1 35 210
17 53 42 48 -2 17 0 0.01 0.0 0 14.5 28 220 M M 7 34 220
18 60 41 51 0 14 0 0.00 0.0 0 7.5 15 20 M M 8 21 360
19 62 41 52 1 13 0 0.00 0.0 0 6.0 12 50 M M 5 16 320
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SM 1043 810 305 0 5.34 0.0 190.5 M 163
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AV 54.9 42.6 10.0 FASTST M M 9 MAX(MPH)
MISC ----> # 28 220 # 38 220
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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: APRIL
YEAR: 2018
LATITUDE: 47 27 N
LONGITUDE: 122 18 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 48.8 TOTAL FOR MONTH: 5.34 1 = FOG OR MIST
DPTR FM NORMAL: -0.7 DPTR FM NORMAL: 3.48 2 = FOG REDUCING VISIBILITY
HIGHEST: 65 ON 6 GRTST 24HR 1.70 ON 14-14 TO 1/4 MILE OR LESS
LOWEST: 36 ON 2 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: 13
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 11
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 4
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1
[HDD (BASE 65) ]
TOTAL THIS MO. 305 CLEAR (SCALE 0-3) 0
DPTR FM NORMAL 11 PTCLDY (SCALE 4-7) 6
TOTAL FM JUL 1 3910 CLOUDY (SCALE 8-10) 13
DPTR FM NORMAL -212
[CDD (BASE 65) ]
TOTAL THIS MO. 0
DPTR FM NORMAL 0 [PRESSURE DATA]
TOTAL FM JAN 1 0 HIGHEST SLP M ON M
DPTR FM NORMAL 0 LOWEST SLP 29.44 ON 6
[REMARKS]