


WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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419 CXUS55 KSEW 081030 CF6SEA PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: SEATTLE-TACOMA WA AIRPORT MONTH: MARCH 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 62 37 50 5 15 0 0.00 0.0 0 5.6 15 210 M M 4 12 19 200 2 51 44 48 3 17 0 0.00 0.0 0 4.9 14 360 M M 9 18 350 3 51 43 47 2 18 0 0.02 0.0 0 7.1 14 200 M M 9 1 19 200 4 49 41 45 -1 20 0 0.21 0.0 0 6.8 17 210 M M 8 1 26 210 5 53 38 46 0 19 0 0.00 0.0 0 8.3 17 200 M M 6 23 190 6 52 38 45 -1 20 0 0.00 0.0 0 5.3 16 20 M M 5 20 10 7 51 36 44 -2 21 0 0.00 0.0 M 8.1 17 230 M M 7 24 230 ================================================================================ SM 369 277 130 0 0.23 0.0 46.1 M 48 ================================================================================ AV 52.7 39.6 6.6 FASTST M M 7 MAX(MPH) MISC ----> # 17 210 26 210 ================================================================================ 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: MARCH YEAR: 2025 LATITUDE: 47 27 N LONGITUDE: 122 18 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 46.1 TOTAL FOR MONTH: 0.23 1 = FOG OR MIST DPTR FM NORMAL: 0.6 DPTR FM NORMAL: -0.75 2 = FOG REDUCING VISIBILITY HIGHEST: 62 ON 1 GRTST 24HR 0.21 ON 4- 4 TO 1/4 MILE OR LESS LOWEST: 36 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: 2 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 1 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. 130 CLEAR (SCALE 0-3) 0 DPTR FM NORMAL -7 PTCLDY (SCALE 4-7) 4 TOTAL FM JUL 1 3287 CLOUDY (SCALE 8-10) 3 DPTR FM NORMAL 103 [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 29.82 ON 1 [REMARKS]