WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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739
CXUS55 KSEW 190930
CF6SEA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: SEATTLE-TACOMA WA AIRPORT
MONTH: AUGUST
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 75 57 66 -2 0 1 0.00 0.0 0 5.9 10 240 M M 6 17 260
2 73 58 66 -2 0 1 0.00 0.0 0 4.8 10 190 M M 6 1 18 160
3 71 56 64 -4 1 0 0.00 0.0 0 5.9 12 180 M M 9 17 220
4 71 58 65 -3 0 0 0.00 0.0 0 7.8 15 200 M M 8 19 210
5 78 57 68 0 0 3 0.00 0.0 0 7.9 14 250 M M 8 20 250
6 72 60 66 -2 0 1 0.16 0.0 0 10.3 17 220 M M 8 1 25 220
7 70 58 64 -4 1 0 T 0.0 0 6.6 17 220 M M 7 24 220
8 77 54 66 -2 0 1 0.00 0.0 0 8.1 14 280 M M 4 23 320
9 81 58 70 2 0 5 0.00 0.0 0 8.8 16 350 M M 6 23 80
10 88 61 75 7 0 10 0.00 0.0 0 8.0 20 350 M M 1 26 340
11 87 69 78 10 0 13 0.00 0.0 0 10.4 25 360 M M 1 30 340
12 92 64 78 10 0 13 0.00 0.0 0 6.4 16 310 M M 2 22 290
13 78 62 70 2 0 5 0.00 0.0 0 8.0 16 220 M M 8 21 210
14 75 58 67 -1 0 2 0.22 0.0 0 8.8 16 200 M M 9 1 21 200
15 68 61 65 -3 0 0 0.76 0.0 0 10.5 16 180 M M 10 1 24 200
16 74 59 67 -1 0 2 T 0.0 0 11.3 18 220 M M 7 26 210
17 74 60 67 -1 0 2 0.00 0.0 0 5.2 12 340 M M 9 19 10
18 75 58 67 0 0 2 0.00 0.0 0 6.0 12 260 M M 8 20 230
================================================================================
SM 1379 1068 2 61 1.14 0.0 140.7 M 117
================================================================================
AV 76.6 59.3 7.8 FASTST M M 7 MAX(MPH)
MISC ----> 25 360 30 340
================================================================================
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: AUGUST
YEAR: 2025
LATITUDE: 47 27 N
LONGITUDE: 122 18 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 68.0 TOTAL FOR MONTH: 1.14 1 = FOG OR MIST
DPTR FM NORMAL: 0.0 DPTR FM NORMAL: 0.66 2 = FOG REDUCING VISIBILITY
HIGHEST: 92 ON 12 GRTST 24HR 0.81 ON 14-15 TO 1/4 MILE OR LESS
LOWEST: 54 ON 8 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: 3
MAX 90 OR ABOVE: 1 0.10 INCH OR MORE: 3
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. 2 CLEAR (SCALE 0-3) 3
DPTR FM NORMAL -9 PTCLDY (SCALE 4-7) 10
TOTAL FM JUL 1 23 CLOUDY (SCALE 8-10) 5
DPTR FM NORMAL -19
[CDD (BASE 65) ]
TOTAL THIS MO. 61
DPTR FM NORMAL -6 [PRESSURE DATA]
TOTAL FM JAN 1 225 HIGHEST SLP M ON M
DPTR FM NORMAL 23 LOWEST SLP 29.83 ON 15
[REMARKS]