


WFO Monthly/Daily Climate Data
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
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321 CXUS55 KSEW 170930 CF6SEW PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: SEATTLE WA WFO MONTH: APRIL 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 55 44 50 1 15 0 M 0.0 0 M M M M M M M M 2 56 43 50 1 15 0 0.23 0.0 0 M M M M M M M M 3 59 43 51 2 14 0 0.00 0.0 0 M M M M M M M M 4 67 38 53 4 12 0 0.00 0.0 0 M M M M M M M M 5 73 42 58 9 7 0 0.00 0.0 0 M M M M M M M M 6 58 49 54 5 11 0 0.43 0.0 0 M M M M M M M M 7 61 46 54 5 11 0 0.41 0.0 0 M M M M M M 3 M M 8 56 46 51 1 14 0 0.42 0.0 0 M M M M M M M M 9 63 44 54 4 11 0 T 0.0 0 M M M M M M M M 10 66 44 55 5 10 0 0.12 0.0 0 M M M M M M M M 11 57 44 51 1 14 0 T 0.0 0 M M M M M M M M 12 55 42 49 -1 16 0 0.00 0.0 0 M M M M M M M M 13 60 38 49 -1 16 0 0.00 0.0 0 M M M M M M M M 14 64 42 53 3 12 0 0.00 0.0 0 M M M M M M M M 15 65 42 54 3 11 0 0.00 0.0 0 M M M M M M M M 16 60 42 51 0 14 0 0.00 0.0 0 M M M M M M M M ================================================================================ SM 975 689 203 0 1.61 0.0 M M M ================================================================================ AV 60.9 43.1 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: APRIL YEAR: 2025 LATITUDE: 47 41 N LONGITUDE: 122 15 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 52.0 TOTAL FOR MONTH: 1.61 1 = FOG OR MIST DPTR FM NORMAL: 2.3 DPTR FM NORMAL: -0.11 2 = FOG REDUCING VISIBILITY HIGHEST: 73 ON 5 GRTST 24HR 0.43 ON 6- 6 TO 1/4 MILE OR LESS LOWEST: 38 ON 13, 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: 5 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 5 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. 203 CLEAR (SCALE 0-3) 0 DPTR FM NORMAL -43 PTCLDY (SCALE 4-7) 0 TOTAL FM JUL 1 3652 CLOUDY (SCALE 8-10) 16 DPTR FM NORMAL -268 [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]