WFO Monthly/Daily Climate Data
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
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CXUS55 KSEW 020433
CF6SEW
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: SEATTLE WA WFO
MONTH: DECEMBER
YEAR: 2021
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 58 50 54 11 11 0 0.01 0.0 0 M M M M M M M M
2 50 42 46 3 19 0 0.15 0.0 0 M M M M M M M M
3 43 35 39 -4 26 0 0.01 0.0 0 M M M M M M M M
4 41 33 37 -6 28 0 0.32 0.0 0 M M M M M M 1 M M
5 42 35 39 -4 26 0 T 0.0 0 M M M M M M M M
6 45 38 42 0 23 0 0.08 0.0 0 M M M M M M M M
7 50 44 47 5 18 0 0.03 0.0 0 M M M M M M 12 M M
8 50 39 45 3 20 0 0.20 0.0 0 M M M M M M M M
9 44 36 40 -2 25 0 0.01 0.0 0 M M M M M M M M
10 46 40 43 1 22 0 0.24 0.0 0 M M M M M M M M
11 51 41 46 4 19 0 0.42 0.0 0 M M M M M M M M
12 44 37 41 -1 24 0 0.19 0.0 0 M M M M M M M M
13 43 36 40 -2 25 0 0.14 0.0 0 M M M M M M M M
14 42 36 39 -3 26 0 0.11 0.0 0 M M M M M M M M
15 44 37 41 -1 24 0 0.08 0.0 0 M M M M M M M M
16 44 36 40 -1 25 0 0.07 0.0 0 M M M M M M M M
17 45 36 41 0 24 0 0.17 0.0 0 M M M M M M M M
18 51 38 45 4 20 0 0.76 0.0 0 M M M M M M M M
19 46 37 42 1 23 0 0.00 0.0 0 M M M M M M M M
20 39 37 38 -3 27 0 T 0.0 0 M M M M M M M M
21 43 35 39 -2 26 0 0.17 0.0 0 M M M M M M M M
22 50 43 47 6 18 0 0.60 0.0 0 M M M M M M M M
23 46 40 43 2 22 0 0.08 0.0 0 M M M M M M M M
24 42 38 40 -1 25 0 0.35 0.0 0 M M M M M M M M
25 39 34 37 -4 28 0 0.12 T 0 M M M M M M M M
26 34 22 28 -13 37 0 0.21 2.5 0 M M M M M M M M
27 25 17 21 -20 44 0 0.02 0.2 2 M M M M M M M M
28 29 24 27 -14 38 0 T 0.2 2 M M M M M M M M
29 30 22 26 -15 39 0 0.10 1.5 1 M M M M M M M M
30 35 29 32 -9 33 0 0.07 0.8 3 M M M M M M M M
31 34 22 28 -13 37 0 0.00 0.0 T M M M M M M M M
================================================================================
SM 1325 1089 802 0 4.71 5.2 M M M
================================================================================
AV 42.7 35.1 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: DECEMBER
YEAR: 2021
LATITUDE: 47 41 N
LONGITUDE: 122 15 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 38.9 TOTAL FOR MONTH: 4.71 1 = FOG OR MIST
DPTR FM NORMAL: -2.9 DPTR FM NORMAL: -0.84 2 = FOG REDUCING VISIBILITY
HIGHEST: 58 ON 1 GRTST 24HR 0.76 ON 18-18 TO 1/4 MILE OR LESS
LOWEST: 17 ON 27 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: 5.2 INCHES 5 = HAIL
GRTST 24HR 2.5 ON 26-26 6 = FREEZING RAIN OR DRIZZLE
GRTST DEPTH: 3 ON 30 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: 3 0.01 INCH OR MORE: 26
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 16
MIN 32 OR BELOW: 6 0.50 INCH OR MORE: 2
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 802 CLEAR (SCALE 0-3) 0
DPTR FM NORMAL 81 PTCLDY (SCALE 4-7) 0
TOTAL FM JUL 1 1762 CLOUDY (SCALE 8-10) 31
DPTR FM NORMAL -34
[CDD (BASE 65) ]
TOTAL THIS MO. 0
DPTR FM NORMAL 0 [PRESSURE DATA]
TOTAL FM JAN 1 407 HIGHEST SLP M ON M
DPTR FM NORMAL 197 LOWEST SLP M ON M
[REMARKS]
#FINAL-12-21#
CORRECTED