


WFO Monthly/Daily Climate Data
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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384 CXGM50 PGUM 140030 CF6GUM PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: GUAM INTERNATIONAL AIRPORT MONTH: JUNE YEAR: 2025 LATITUDE: 13 29 N LONGITUDE: 144-48 E 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 88 79 84 1 0 19 0.04 M M 5.8 12 150 M M 5 18 300 2 89 77 83 0 0 18 0.03 M M 8.1 16 60 M M 2 24 60 3 86 79 83 -1 0 18 0.14 M M 7.7 12 90 M M 4 23 90 4 84 74 79 -5 0 14 0.69 M M 5.5 15 90 M M 4 27 0 5 87 76 82 -2 0 17 0.23 M M 8.1 14 110 M M 3 23 110 6 80 73 77 -7 0 12 2.21 M M 6.4 15 160 M M 4 28 180 7 90 77 84 0 0 19 0.18 M M 8.3 22 50 M M 3 31 60 8 82 76 79 -5 0 14 0.58 M M 7.5 18 70 M M 6 25 70 9 88 80 84 0 0 19 0.06 M M 9.9 15 110 M M 4 24 110 10 88 79 84 0 0 19 0.15 M M 7.0 13 90 M M 3 20 90 11 88 77 83 -1 0 18 0.22 M M 7.3 16 110 M M 3 31 120 12 88 77 83 -1 0 18 0.03 M M 8.6 17 90 M M 3 3 28 90 13 87 78 83 -1 0 18 0.16 M M 8.9 15 90 M M 2 24 90 ================================================================================ SM 1125 1002 0 223 4.72 M 99.1 M 46 ================================================================================ AV 86.5 77.1 7.6 FASTST M M 4 MAX(MPH) MISC ----> 22 50 # 31 60 ================================================================================ 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: JUNE YEAR: 2025 LATITUDE: 13 29 N LONGITUDE: 144-48 E [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 81.8 TOTAL FOR MONTH: 4.72 1 = FOG OR MIST DPTR FM NORMAL: -2.0 DPTR FM NORMAL: 2.30 2 = FOG REDUCING VISIBILITY HIGHEST: 90 ON 7 GRTST 24HR 2.21 ON 6- 6 TO 1/4 MILE OR LESS LOWEST: 73 ON 6 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 0.0 INCH 5 = HAIL GRTST 24HR M ON M 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: 13 MAX 90 OR ABOVE: 1 0.10 INCH OR MORE: 9 MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 3 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1 [HDD (BASE 65) ] TOTAL THIS MO. 0 CLEAR (SCALE 0-3) 6 DPTR FM NORMAL 0 PTCLDY (SCALE 4-7) 7 TOTAL FM JUL 1 0 CLOUDY (SCALE 8-10) 0 DPTR FM NORMAL 0 [CDD (BASE 65) ] TOTAL THIS MO. 223 DPTR FM NORMAL -11 [PRESSURE DATA] TOTAL FM JAN 1 2787 HIGHEST SLP 29.94 ON 1 DPTR FM NORMAL 41 LOWEST SLP 29.84 ON 1 [REMARKS]