WFO Monthly/Daily Climate Data
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
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000 CXUS55 KSEW 030126 CF6SEW PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: SEATTLE WA WFO MONTH: DECEMBER YEAR: 2020 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 50 36 43 0 22 0 0.00 0.0 0 M M M M M M M M 2 58 36 47 4 18 0 0.00 0.0 0 M M M M M M M M 3 50 34 42 -1 23 0 0.00 0.0 0 M M M M M M M M 4 57 34 46 4 19 0 0.00 0.0 0 M M M M M M M M 5 59 33 46 4 19 0 T 0.0 0 M M M M M M M M 6 54 40 47 5 18 0 0.01 0.0 0 M M M M M M M M 7 54 41 48 6 17 0 0.01 0.0 0 M M M M M M M M 8 52 47 50 8 15 0 0.47 0.0 0 M M M M M M M M 9 50 38 44 3 21 0 0.07 0.0 0 M M M M M M 1 M M 10 45 37 41 0 24 0 0.04 0.0 0 M M M M M M 1 M M 11 46 35 41 0 24 0 T 0.0 0 M M M M M M M M 12 45 31 38 -3 27 0 0.00 0.0 0 M M M M M M 12 M M 13 46 38 42 1 23 0 0.13 0.0 0 M M M M M M 1 M M 14 50 43 47 6 18 0 0.06 0.0 0 M M M M M M M M 15 49 43 46 5 19 0 0.14 0.0 0 M M M M M M M M 16 51 46 49 8 16 0 0.35 0.0 0 M M M M M M M M 17 52 45 49 8 16 0 0.13 0.0 0 M M M M M M M M 18 53 44 49 8 16 0 0.23 0.0 0 M M M M M M M M 19 53 46 50 9 15 0 0.60 0.0 0 M M M M M M M M 20 54 47 51 10 14 0 T 0.0 0 M M M M M M M M 21 56 33 45 4 20 0 2.19 0.2 0 M M M M M M M M 22 46 34 40 -1 25 0 0.02 0.0 0 M M M M M M 1 M M 23 44 30 37 -4 28 0 0.00 0.0 0 M M M M M M M M 24 44 28 36 -5 29 0 0.00 0.0 0 M M M M M M M M 25 47 32 40 -1 25 0 0.41 0.0 0 M M M M M M M M 26 49 42 46 5 19 0 0.07 0.0 0 M M M M M M M M 27 48 36 42 1 23 0 0.13 0.0 0 M M M M M M M M 28 47 35 41 0 24 0 0.00 0.0 0 M M M M M M M M 29 41 37 39 -2 26 0 0.21 0.0 0 M M M M M M 1 M M 30 48 41 45 4 20 0 0.58 0.0 0 M M M M M M 1 M M 31 51 46 49 8 16 0 0.11 0.0 0 M M M M M M 1 M M ================================================================================ SM 1549 1188 639 0 5.96 0.2 M M M ================================================================================ AV 50.0 38.3 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: DECEMBER YEAR: 2020 LATITUDE: 47 41 N LONGITUDE: 122 15 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 44.1 TOTAL FOR MONTH: 5.96 1 = FOG OR MIST DPTR FM NORMAL: 3.0 DPTR FM NORMAL: 0.53 2 = FOG REDUCING VISIBILITY HIGHEST: 59 ON 5 GRTST 24HR 2.19 ON 21-21 TO 1/4 MILE OR LESS LOWEST: 28 ON 24 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 0.2 INCH 5 = HAIL GRTST 24HR 0.2 ON 21-21 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: 20 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 13 MIN 32 OR BELOW: 4 0.50 INCH OR MORE: 3 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1 [HDD (BASE 65) ] TOTAL THIS MO. 639 CLEAR (SCALE 0-3) 0 DPTR FM NORMAL -102 PTCLDY (SCALE 4-7) 0 TOTAL FM JUL 1 1608 CLOUDY (SCALE 8-10) 31 DPTR FM NORMAL -244 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 248 HIGHEST SLP M ON M DPTR FM NORMAL 72 LOWEST SLP M ON M [REMARKS] #FINAL-12-20# CORRECTED