


WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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550 CXUS52 TJSJ 080854 CF6JSJ PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: SAN JUAN AREA/PR MONTH: AUGUST YEAR: 2025 LATITUDE: 18 25 N LONGITUDE: 66 0 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 90 79 85 2 0 20 0.13 M M 12.0 23 60 M M 3 29 70 2 86 78 82 -1 0 17 0.67 M M 4.4 15 80 M M 6 13 19 70 3 93 78 86 3 0 21 0.41 M M 6.2 22 130 M M 3 3 35 120 4 91 79 85 2 0 20 T M M 10.1 24 90 M M 3 32 70 5 89 80 85 2 0 20 0.02 M M 7.9 18 30 M M 4 27 40 6 91 78 85 2 0 20 0.40 0.0 0 9.5 24 60 M M 4 1 31 60 7 89 78 84 1 0 19 0.20 0.0 0 10.4 23 60 M M 5 31 60 ================================================================================ SM 629 550 0 137 1.83 0.0 60.5 M 28 ================================================================================ AV 89.9 78.6 8.6 FASTST M M 4 MAX(MPH) MISC ----> # 24 90 35 120 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: SAN JUAN AREA/PR MONTH: AUGUST YEAR: 2025 LATITUDE: 18 25 N LONGITUDE: 66 0 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 84.2 TOTAL FOR MONTH: 1.83 1 = FOG OR MIST DPTR FM NORMAL: 1.2 DPTR FM NORMAL: 0.61 2 = FOG REDUCING VISIBILITY HIGHEST: 93 ON 3 GRTST 24HR 0.67 ON 1- 2 TO 1/4 MILE OR LESS LOWEST: 78 ON 7, 6 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: 6 MAX 90 OR ABOVE: 4 0.10 INCH OR MORE: 5 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) 2 DPTR FM NORMAL 0 PTCLDY (SCALE 4-7) 5 TOTAL FM JUL 1 0 CLOUDY (SCALE 8-10) 0 DPTR FM NORMAL 0 [CDD (BASE 65) ] TOTAL THIS MO. 137 DPTR FM NORMAL 11 [PRESSURE DATA] TOTAL FM JAN 1 3574 HIGHEST SLP M ON M DPTR FM NORMAL 209 LOWEST SLP 29.97 ON 3 [REMARKS]