WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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000 CXUS55 KSEW 020053 CF6SEA PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: SEATTLE-TACOMA WA AIRPORT MONTH: MAY YEAR: 2021 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 61 47 54 0 11 0 0.03 0.0 0 6.2 12 200 M M 9 1 17 230 2 62 48 55 0 10 0 0.00 0.0 0 5.0 10 250 M M 7 15 250 3 57 46 52 -3 13 0 0.25 0.0 0 6.8 12 140 M M 9 1 19 190 4 63 50 57 2 8 0 0.03 0.0 0 7.3 15 30 M M 7 12 18 30 5 71 45 58 3 7 0 0.00 0.0 0 7.1 14 20 M M 7 17 30 6 68 48 58 2 7 0 T 0.0 0 11.6 22 240 M M 8 3 29 230 7 59 46 53 -3 12 0 T 0.0 0 8.4 18 220 M M 8 22 220 8 59 44 52 -4 13 0 T 0.0 0 8.6 15 190 M M 9 20 200 9 64 48 56 0 9 0 0.10 0.0 0 5.5 15 310 M M 7 18 19 300 10 67 44 56 0 9 0 0.00 0.0 0 7.0 15 30 M M 5 22 350 11 70 46 58 1 7 0 0.00 0.0 0 7.9 17 10 M M 4 23 10 12 71 55 63 6 2 0 0.00 0.0 0 8.8 18 350 M M 7 21 340 13 73 48 61 4 4 0 0.00 0.0 0 7.9 20 350 M M 5 128 23 350 14 75 50 63 6 2 0 0.00 0.0 0 7.3 16 30 M M 2 23 330 15 75 49 62 4 3 0 0.00 0.0 0 7.3 16 360 M M 2 21 350 16 77 50 64 6 1 0 0.00 0.0 0 5.4 12 210 M M 2 14 200 17 62 49 56 -2 9 0 0.07 0.0 0 11.0 23 220 M M 9 1 30 210 18 61 45 53 -5 12 0 0.07 0.0 0 13.6 25 220 M M 6 3 37 210 19 58 45 52 -6 13 0 0.00 0.0 0 7.8 16 310 M M 7 23 270 20 61 44 53 -5 12 0 0.01 0.0 0 6.2 13 240 M M 7 1 15 250 21 62 45 54 -5 11 0 0.00 0.0 0 6.3 12 230 M M 6 15 260 22 62 47 55 -4 10 0 0.00 0.0 0 4.6 13 200 M M 8 1 15 190 23 64 51 58 -1 7 0 T 0.0 0 10.8 21 210 M M 10 1 27 220 24 60 49 55 -4 10 0 0.13 0.0 0 9.2 17 200 M M 9 1 21 170 25 63 51 57 -2 8 0 0.00 0.0 0 8.9 16 240 M M 7 27 220 26 63 50 57 -2 8 0 0.00 0.0 0 7.0 13 230 M M 9 21 250 27 60 49 55 -4 10 0 0.43 0.0 0 13.3 26 240 M M 9 13 35 210 28 64 49 57 -3 8 0 0.00 0.0 0 9.4 18 210 M M 6 26 190 29 72 47 60 0 5 0 0.00 0.0 0 9.4 16 30 M M 4 19 20 30 73 52 63 3 2 0 0.00 0.0 0 7.1 15 340 M M 6 18 340 31 80 54 67 7 0 2 0.00 0.0 0 7.7 20 340 M M 6 26 340 ================================================================================ SM 2037 1491 243 2 1.12 0.0 250.4 M 207 ================================================================================ AV 65.7 48.1 8.1 FASTST M M 7 MAX(MPH) MISC ----> 26 240 37 210 ================================================================================ 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: MAY YEAR: 2021 LATITUDE: 47 27 N LONGITUDE: 122 18 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 56.9 TOTAL FOR MONTH: 1.12 1 = FOG OR MIST DPTR FM NORMAL: -0.6 DPTR FM NORMAL: -0.76 2 = FOG REDUCING VISIBILITY HIGHEST: 80 ON 31 GRTST 24HR 0.43 ON 27-27 TO 1/4 MILE OR LESS LOWEST: 44 ON 20,10 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: 9 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 4 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. 243 CLEAR (SCALE 0-3) 3 DPTR FM NORMAL 1 PTCLDY (SCALE 4-7) 18 TOTAL FM JUL 1 4090 CLOUDY (SCALE 8-10) 10 DPTR FM NORMAL -168 [CDD (BASE 65) ] TOTAL THIS MO. 2 DPTR FM NORMAL -7 [PRESSURE DATA] TOTAL FM JAN 1 2 HIGHEST SLP 30.40 ON 8 DPTR FM NORMAL -8 LOWEST SLP 29.83 ON 6 [REMARKS] #FINAL-05-21# CORRECTED SNOW DEPTH ON 31ST