WFO Monthly/Daily Climate Data
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
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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