


WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
820 CXUS52 TJSJ 180939 CF6IST PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: CYRIL E. KING AP/ST THOMAS MONTH: APRIL YEAR: 2025 LATITUDE: 18 19 N LONGITUDE: 64 58 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 87 77 82 2 0 17 T M M 13.4 28 80 M M 3 41 80 2 88 74 81 1 0 16 0.05 M M 13.5 28 120 M M 5 1 36 120 3 86 76 81 1 0 16 0.10 M M 17.4 28 90 M M 4 18 40 80 4 89 75 82 2 0 17 0.14 M M 16.0 26 100 M M 4 1 41 60 5 87 73 80 0 0 15 0.09 M M 12.9 22 80 M M 4 1 36 90 6 89 77 83 3 0 18 T M M 11.8 21 80 M M 1 29 100 7 86 75 81 1 0 16 T M M 10.6 21 120 M M 5 28 110 8 84 72 78 -2 0 13 0.25 M M 10.6 21 140 M M 4 1 29 130 9 87 77 82 2 0 17 T M M 12.5 21 120 M M 2 29 120 10 87 78 83 3 0 18 T M M 10.9 17 130 M M 2 25 90 11 87 78 83 3 0 18 0.01 M M 10.4 17 130 M M 2 24 150 12 87 78 83 3 0 18 0.01 M M 12.5 20 130 M M 5 28 130 13 85 79 82 2 0 17 0.00 M M 10.1 16 120 M M 3 25 110 14 89 77 83 3 0 18 T M M 9.0 17 50 M M 3 25 10 15 86 78 82 1 0 17 0.01 M M 11.7 20 140 M M 2 1 27 130 16 87 78 83 2 0 18 0.00 M M 12.7 20 130 M M 2 30 140 17 86 73 80 -1 0 15 0.84 M M 9.3 22 160 M M 8 1 29 160 ================================================================================ SM 1477 1295 0 284 1.50 M 205.3 M 59 ================================================================================ AV 86.9 76.2 12.1 FASTST M M 3 MAX(MPH) MISC ----> # 28 80 # 41 80 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: CYRIL E. KING AP/ST THOMAS MONTH: APRIL YEAR: 2025 LATITUDE: 18 19 N LONGITUDE: 64 58 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 81.5 TOTAL FOR MONTH: 1.50 1 = FOG OR MIST DPTR FM NORMAL: 1.4 DPTR FM NORMAL: 0.29 2 = FOG REDUCING VISIBILITY HIGHEST: 89 ON 14, 6 GRTST 24HR 0.84 ON 17-17 TO 1/4 MILE OR LESS LOWEST: 72 ON 8 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: M 5 = HAIL GRTST 24HR M ON M 6 = FREEZING RAIN OR DRIZZLE GRTST DEPTH: M ON M 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: 9 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 4 MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 1 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 0 CLEAR (SCALE 0-3) 9 DPTR FM NORMAL 0 PTCLDY (SCALE 4-7) 8 TOTAL FM JUL 1 0 CLOUDY (SCALE 8-10) 0 DPTR FM NORMAL 0 [CDD (BASE 65) ] TOTAL THIS MO. 284 DPTR FM NORMAL 24 [PRESSURE DATA] TOTAL FM JAN 1 1643 HIGHEST SLP M ON M DPTR FM NORMAL 126 LOWEST SLP 29.90 ON 12 [REMARKS]