WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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CXUS55 KSEW 180930
CF6SEA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: SEATTLE-TACOMA WA AIRPORT
MONTH: APRIL
YEAR: 2025
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 51 42 47 -2 18 0 0.05 0.0 0 6.5 15 200 M M 9 1 20 200
2 53 41 47 -2 18 0 0.07 0.0 0 7.1 16 270 M M 9 1 23 240
3 56 40 48 -1 17 0 0.00 0.0 0 4.3 10 20 M M 6 14 20
4 65 39 52 3 13 0 0.00 0.0 0 4.6 12 30 M M 4 16 310
5 70 43 57 7 8 0 T 0.0 0 3.7 10 220 M M 6 16 290
6 57 48 53 3 12 0 0.47 0.0 0 5.0 14 250 M M 10 1 19 230
7 58 45 52 2 13 0 0.52 0.0 0 9.7 20 240 M M 9 1 28 230
8 56 45 51 1 14 0 0.48 0.0 0 10.8 30 180 M M 8 18 41 170
9 60 40 50 0 15 0 0.00 0.0 0 5.9 10 60 M M 6 15 210
10 59 46 53 3 12 0 0.33 0.0 0 8.2 25 230 M M 7 1 42 230
11 55 42 49 -1 16 0 T 0.0 0 7.6 15 200 M M 7 20 220
12 55 41 48 -2 17 0 0.03 0.0 0 7.5 16 60 M M 7 20 50
13 61 37 49 -2 16 0 0.00 0.0 0 8.5 15 350 M M 4 19 350
14 67 43 55 4 10 0 0.00 0.0 0 12.7 20 350 M M 6 26 350
15 66 46 56 5 9 0 0.00 0.0 0 8.4 15 20 M M 5 22 330
16 61 45 53 2 12 0 0.00 0.0 0 10.9 23 360 M M 3 32 350
17 65 43 54 3 11 0 0.00 0.0 0 8.2 23 340 M M 1 31 340
================================================================================
SM 1015 726 231 0 1.95 0.0 129.6 M 107
================================================================================
AV 59.7 42.7 7.6 FASTST M M 6 MAX(MPH)
MISC ----> 30 180 42 230
================================================================================
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: APRIL
YEAR: 2025
LATITUDE: 47 27 N
LONGITUDE: 122 18 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 51.2 TOTAL FOR MONTH: 1.95 1 = FOG OR MIST
DPTR FM NORMAL: 1.1 DPTR FM NORMAL: -0.02 2 = FOG REDUCING VISIBILITY
HIGHEST: 70 ON 5 GRTST 24HR 0.79 ON 6- 7 TO 1/4 MILE OR LESS
LOWEST: 37 ON 13 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: 4
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 1
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 231 CLEAR (SCALE 0-3) 2
DPTR FM NORMAL -23 PTCLDY (SCALE 4-7) 10
TOTAL FM JUL 1 3934 CLOUDY (SCALE 8-10) 5
DPTR FM NORMAL 76
[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 29.77 ON 1
[REMARKS]