


WFO Monthly/Daily Climate Data
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
827 CXGM50 PGUM 040030 CF6GUM PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: GUAM INTERNATIONAL AIRPORT MONTH: APRIL 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 86 77 82 0 0 17 T 0.0 0 13.8 18 110 M M 2 31 90 2 87 78 83 1 0 18 0.00 0.0 0 10.3 16 100 M M 3 31 80 3 86 75 81 -1 0 16 0.00 0.0 0 8.9 15 80 M M 2 21 110 ================================================================================ SM 259 230 0 51 T 0.0 33.0 M 7 ================================================================================ AV 86.3 76.7 11.0 FASTST M M 2 MAX(MPH) MISC ----> 18 110 # 31 90 ================================================================================ 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: APRIL YEAR: 2025 LATITUDE: 13 29 N LONGITUDE: 144-48 E [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 81.5 TOTAL FOR MONTH: T 1 = FOG OR MIST DPTR FM NORMAL: -0.5 DPTR FM NORMAL: -0.30 2 = FOG REDUCING VISIBILITY HIGHEST: 87 ON 2 GRTST 24HR T ON 1- 1 TO 1/4 MILE OR LESS LOWEST: 75 ON 3 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: 0 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. 0 CLEAR (SCALE 0-3) 3 DPTR FM NORMAL 0 PTCLDY (SCALE 4-7) 0 TOTAL FM JUL 1 0 CLOUDY (SCALE 8-10) 0 DPTR FM NORMAL 0 [CDD (BASE 65) ] TOTAL THIS MO. 51 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 1520 HIGHEST SLP 29.93 ON 1 DPTR FM NORMAL 46 LOWEST SLP 29.83 ON 1 [REMARKS]