WFO Monthly/Daily Climate Data Issued by NWS Tiyan, Guam
000
CXGM50 PGUM 011630
CF6GUM
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: GUAM INTERNATIONAL AIRPORT
MONTH: DECEMBER
YEAR: 2020
LATITUDE: 13 29 N
LONGITUDE: 144-48 E
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 86 78 82 0 0 17 0.08 0.0 0 13.4 26 70 M M 3 18 33 60
2 85 75 80 -2 0 15 1.45 0.0 0 12.1 22 80 M M 5 18 28 100
3 85 74 80 -2 0 15 1.18 0.0 0 7.9 16 150 M M 6 1 25 120
4 86 77 82 0 0 17 0.53 0.0 0 9.9 18 110 M M 6 18 27 120
5 87 78 83 1 0 18 0.12 0.0 0 11.9 22 90 M M 3 18 29 100
6 86 80 83 1 0 18 0.09 0.0 0 12.7 20 100 M M 3 13 25 90
7 86 78 82 0 0 17 0.77 0.0 0 11.9 23 70 M M 6 3 30 100
8 86 77 82 0 0 17 0.53 0.0 0 13.3 21 90 M M 5 1 27 100
9 86 76 81 -1 0 16 1.21 0.0 0 12.2 22 60 M M 5 1 25 50
10 85 75 80 -1 0 15 0.09 0.0 0 10.7 25 70 M M 4 1 31 80
11 87 75 81 0 0 16 0.00 0.0 0 9.3 16 110 M M 2 22 80
12 85 73 79 -2 0 14 0.09 0.0 0 9.4 20 80 M M 3 18 25 110
13 86 77 82 1 0 17 0.09 0.0 0 10.0 18 90 M M 3 1 24 100
14 87 77 82 1 0 17 0.70 0.0 0 12.7 28 60 M M 4 18 35 80
15 86 77 82 1 0 17 T 0.0 0 13.3 26 70 M M 2 32 70
16 87 78 83 2 0 18 T 0.0 0 15.2 24 70 M M 2 31 70
17 87 78 83 2 0 18 0.02 0.0 0 14.6 24 90 M M 4 31 90
18 86 77 82 1 0 17 0.18 0.0 0 14.6 23 70 M M 5 18 30 80
19 87 77 82 1 0 17 0.01 0.0 0 15.2 25 70 M M 2 32 80
20 88 77 83 2 0 18 0.09 0.0 0 15.1 24 70 M M 5 18 31 80
21 87 78 83 2 0 18 T 0.0 0 17.4 28 60 M M 2 33 50
22 87 80 84 3 0 19 T 0.0 0 18.2 28 70 M M 2 34 70
23 84 71 78 -3 0 13 0.45 0.0 0 16.2 26 100 M M 6 18 37 100
24 87 77 82 1 0 17 0.04 0.0 0 17.1 30 70 M M 4 1 41 90
25 85 77 81 0 0 16 0.03 0.0 0 10.2 23 80 M M 4 30 80
26 87 78 83 2 0 18 0.04 0.0 0 12.3 23 70 M M 3 28 80
27 86 76 81 0 0 16 0.14 0.0 0 13.8 24 70 M M 5 18 29 60
28 85 78 82 1 0 17 0.09 0.0 0 15.2 29 70 M M 4 36 80
29 86 77 82 1 0 17 0.00 0.0 0 10.9 17 80 M M 3 23 80
30 86 78 82 1 0 17 0.00 0.0 0 11.3 18 80 M M 2 23 80
31 87 77 82 1 0 17 T 0.0 0 9.5 16 70 M M 2 22 80
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SM 2671 2381 0 519 8.02 0.0 397.5 M 115
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AV 86.2 76.8 12.8 FASTST M M 4 MAX(MPH)
MISC ----> 30 70 41 90
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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: GUAM INTERNATIONAL AIRPORT
MONTH: DECEMBER
YEAR: 2020
LATITUDE: 13 29 N
LONGITUDE: 144-48 E
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 81.5 TOTAL FOR MONTH: 8.02 1 = FOG OR MIST
DPTR FM NORMAL: 0.3 DPTR FM NORMAL: 2.04 2 = FOG REDUCING VISIBILITY
HIGHEST: 88 ON 20 GRTST 24HR 2.23 ON 2- 3 TO 1/4 MILE OR LESS
LOWEST: 71 ON 23 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: 23
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 11
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 7
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 3
[HDD (BASE 65) ]
TOTAL THIS MO. 0 CLEAR (SCALE 0-3) 11
DPTR FM NORMAL 0 PTCLDY (SCALE 4-7) 20
TOTAL FM JUL 1 0 CLOUDY (SCALE 8-10) 0
DPTR FM NORMAL 0
[CDD (BASE 65) ]
TOTAL THIS MO. 519
DPTR FM NORMAL 17 [PRESSURE DATA]
TOTAL FM JAN 1 6472 HIGHEST SLP 29.89 ON 1
DPTR FM NORMAL 469 LOWEST SLP 29.78 ON 1
[REMARKS]
#FINAL-12-20#