WFO Monthly/Daily Climate Data Issued by NWS
000
CXUS55 KSEW 020128
CF6SEA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: SEATTLE-TACOMA WA AIRPORT
MONTH: JULY
YEAR: 2021
LATITUDE: 47 27 N
LONGITUDE: 122 18 W
TEMPERATURE IN F: :PCPN: SNOW: WIND :SUNSHINE: SKY :PK WND
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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
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1 74 62 68 3 0 3 0.00 0.0 0 5.2 9 280 M M 9 13 240
2 79 58 69 4 0 4 0.00 0.0 0 6.2 12 270 M M 7 17 260
3 82 57 70 5 0 5 0.00 0.0 0 4.8 10 250 M M 2 16 260
4 77 57 67 2 0 2 0.00 0.0 0 7.9 12 230 M M 4 18 19 230
5 74 56 65 -1 0 0 0.00 0.0 0 6.5 13 190 M M 5 8 15 200
6 82 54 68 2 0 3 0.00 0.0 0 5.2 12 350 M M 5 128 14 300
7 71 56 64 -2 1 0 T 0.0 0 10.7 17 230 M M 6 24 210
8 73 53 63 -3 2 0 0.00 0.0 0 5.1 10 220 M M 7 16 190
9 82 54 68 2 0 3 0.00 0.0 0 6.8 14 330 M M 2 18 20
10 79 57 68 2 0 3 0.00 0.0 0 5.1 13 30 M M 2 18 16 20
11 81 55 68 1 0 3 0.00 0.0 0 6.9 13 20 M M 1 17 330
12 81 55 68 1 0 3 0.00 0.0 0 5.9 14 20 M M 1 18 300
13 81 54 68 1 0 3 0.00 0.0 0 6.5 12 200 M M 3 1 13 210
14 74 54 64 -3 1 0 0.00 0.0 0 7.0 12 190 M M 4 1 15 190
15 69 54 62 -5 3 0 0.00 0.0 0 8.1 14 200 M M 8 1 16 220
16 71 56 64 -3 1 0 0.00 0.0 0 7.9 14 210 M M 9 18 210
17 77 55 66 -2 0 1 0.00 0.0 0 7.0 14 360 M M 6 16 250
18 80 57 69 1 0 4 0.00 0.0 0 6.7 13 300 M M 4 17 310
19 82 55 69 1 0 4 0.00 0.0 0 5.7 13 210 M M 1 16 230
20 72 57 65 -3 0 0 T 0.0 0 6.9 12 20 M M 8 1 19 240
21 72 56 64 -4 1 0 0.00 0.0 0 5.2 10 250 M M 8 15 260
22 77 53 65 -3 0 0 0.00 0.0 0 6.4 13 10 M M 5 17 300
23 80 53 67 -1 0 2 0.00 0.0 0 6.7 14 340 M M 2 17 360
24 84 60 72 4 0 7 0.00 0.0 0 9.3 20 340 M M 1 23 350
25 85 60 73 5 0 8 0.00 0.0 0 8.9 18 30 M M 1 23 30
26 83 60 72 4 0 7 0.00 0.0 0 9.4 16 30 M M 2 21 10
27 83 63 73 5 0 8 0.00 0.0 0 7.0 14 30 M M 4 16 30
28 88 58 73 5 0 8 0.00 0.0 0 6.4 16 30 M M 4 19 20
29 91 59 75 7 0 10 0.00 0.0 0 7.9 17 40 M M 1 21 20
30 92 61 77 9 0 12 0.00 0.0 0 8.5 17 20 M M 2 22 230
31 77 64 71 3 0 6 T 0.0 0 5.6 21 30 M M 9 23 30
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SM 2453 1763 9 109 T 0.0 213.4 M 133
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AV 79.1 56.9 6.9 FASTST M M 4 MAX(MPH)
MISC ----> 21 30 24 210
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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: JULY
YEAR: 2021
LATITUDE: 47 27 N
LONGITUDE: 122 18 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 68.0 TOTAL FOR MONTH: T 1 = FOG OR MIST
DPTR FM NORMAL: 0.9 DPTR FM NORMAL: -0.60 2 = FOG REDUCING VISIBILITY
HIGHEST: 92 ON 30 GRTST 24HR T ON 30- 1 TO 1/4 MILE OR LESS
LOWEST: 53 ON 23,22 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: 0
MAX 90 OR ABOVE: 2 0.10 INCH OR MORE: 0
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. 9 CLEAR (SCALE 0-3) 13
DPTR FM NORMAL -22 PTCLDY (SCALE 4-7) 15
TOTAL FM JUL 1 9 CLOUDY (SCALE 8-10) 3
DPTR FM NORMAL -27
[CDD (BASE 65) ]
TOTAL THIS MO. 109
DPTR FM NORMAL 13 [PRESSURE DATA]
TOTAL FM JAN 1 238 HIGHEST SLP 30.30 ON 23
DPTR FM NORMAL 103 LOWEST SLP 29.92 ON 6
[REMARKS]
#FINAL-07-21#
CORRECTED SNOW DEPTHS ON 31ST