


WFO Monthly/Daily Climate Data
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
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121 CXUS55 KSEW 100930 CF6SEW PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: SEATTLE WA WFO MONTH: MAY YEAR: 2025 LATITUDE: 47 41 N LONGITUDE: 122 15 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 74 46 60 6 5 0 0.00 0.0 0 M M M M M M M M 2 73 49 61 7 4 0 0.00 0.0 0 M M M M M M M M 3 59 46 53 -1 12 0 0.11 0.0 0 M M M M M M M M 4 60 42 51 -3 14 0 0.00 0.0 0 M M M M M M M M 5 67 41 54 -1 11 0 0.00 0.0 0 M M M M M M M M 6 80 41 61 6 4 0 0.00 0.0 0 M M M M M M M M 7 71 49 60 5 5 0 0.00 0.0 0 M M M M M M M M 8 62 45 54 -1 11 0 0.00 0.0 0 M M M M M M M M 9 71 44 58 2 7 0 0.00 0.0 0 M M M M M M M M ================================================================================ SM 617 403 73 0 0.11 0.0 M M M ================================================================================ AV 68.6 44.8 M FASTST M M M MAX(MPH) MISC ----> M M M M ================================================================================ 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 WA WFO MONTH: MAY YEAR: 2025 LATITUDE: 47 41 N LONGITUDE: 122 15 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 56.7 TOTAL FOR MONTH: 0.11 1 = FOG OR MIST DPTR FM NORMAL: 2.0 DPTR FM NORMAL: -0.55 2 = FOG REDUCING VISIBILITY HIGHEST: 80 ON 6 GRTST 24HR 0.11 ON 3- 3 TO 1/4 MILE OR LESS LOWEST: 41 ON 6, 5 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: 1 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. 73 CLEAR (SCALE 0-3) 0 DPTR FM NORMAL -21 PTCLDY (SCALE 4-7) 0 TOTAL FM JUL 1 3879 CLOUDY (SCALE 8-10) 9 DPTR FM NORMAL -315 [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 M ON M [REMARKS]