WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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CXUS55 KSEW 090930
CF6SEA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: SEATTLE-TACOMA WA AIRPORT
MONTH: MAY
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 76 43 60 6 5 0 0.00 0.0 0 4.9 9 290 M M 0 13 310
2 69 50 60 5 5 0 T 0.0 0 10.5 21 220 M M 4 30 240
3 57 45 51 -4 14 0 T 0.0 0 5.5 16 320 M M 9 25 320
4 61 42 52 -3 13 0 T 0.0 0 7.4 17 340 M M 4 24 330
5 70 42 56 1 9 0 0.00 0.0 0 6.2 14 350 M M 2 21 360
6 77 48 63 7 2 0 0.00 0.0 0 4.0 12 40 M M 6 15 30
7 66 46 56 0 9 0 T 0.0 0 10.9 21 220 M M 7 32 220
8 63 43 53 -3 12 0 0.00 0.0 0 7.8 16 300 M M 6 22 310
================================================================================
SM 539 359 69 0 T 0.0 57.2 M 38
================================================================================
AV 67.4 44.9 7.2 FASTST M M 5 MAX(MPH)
MISC ----> # 21 220 32 220
================================================================================
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: 2025
LATITUDE: 47 27 N
LONGITUDE: 122 18 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 56.1 TOTAL FOR MONTH: T 1 = FOG OR MIST
DPTR FM NORMAL: 0.9 DPTR FM NORMAL: -0.55 2 = FOG REDUCING VISIBILITY
HIGHEST: 77 ON 6 GRTST 24HR T ON 2- 2 TO 1/4 MILE OR LESS
LOWEST: 42 ON 5, 4 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: 0
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 0
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. 69 CLEAR (SCALE 0-3) 2
DPTR FM NORMAL -10 PTCLDY (SCALE 4-7) 5
TOTAL FM JUL 1 4153 CLOUDY (SCALE 8-10) 1
DPTR FM NORMAL 58
[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 -1 LOWEST SLP 29.88 ON 1
[REMARKS]