WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
062
CXUS55 KSEW 061030
CF6SEA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: SEATTLE-TACOMA WA AIRPORT
MONTH: DECEMBER
YEAR: 2025
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 46 35 41 -3 24 0 0.01 0.0 0 3.7 10 170 M M 9 16 80
2 48 43 46 3 19 0 T 0.0 0 4.1 12 20 M M 9 1 16 20
3 46 42 44 1 21 0 0.00 0.0 0 2.2 9 130 M M 10 12 150
4 46 41 44 1 21 0 0.45 0.0 0 5.0 14 170 M M 10 12 21 160
5 55 45 50 7 15 0 0.09 0.0 0 15.1 32 200 M M 9 1 51 210
================================================================================
SM 241 206 100 0 0.55 0.0 30.1 M 47
================================================================================
AV 48.2 41.2 6.0 FASTST M M 9 MAX(MPH)
MISC ----> 32 200 51 210
================================================================================
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: DECEMBER
YEAR: 2025
LATITUDE: 47 27 N
LONGITUDE: 122 18 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 44.7 TOTAL FOR MONTH: 0.55 1 = FOG OR MIST
DPTR FM NORMAL: 1.5 DPTR FM NORMAL: -0.40 2 = FOG REDUCING VISIBILITY
HIGHEST: 55 ON 5 GRTST 24HR 0.49 ON 4- 5 TO 1/4 MILE OR LESS
LOWEST: 35 ON 1 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: 3
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 1
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. 100 CLEAR (SCALE 0-3) 0
DPTR FM NORMAL -10 PTCLDY (SCALE 4-7) 0
TOTAL FM JUL 1 1014 CLOUDY (SCALE 8-10) 5
DPTR FM NORMAL -157
[CDD (BASE 65) ]
TOTAL THIS MO. 0
DPTR FM NORMAL 0 [PRESSURE DATA]
TOTAL FM JAN 1 328 HIGHEST SLP M ON M
DPTR FM NORMAL 65 LOWEST SLP 29.72 ON 5
[REMARKS]