


WFO Monthly/Daily Climate Data
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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634 CXUS51 KOKX 170910 CF6ISP PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: ISLIP NY MONTH: AUGUST YEAR: 2025 LATITUDE: 40 47 N LONGITUDE: 73 6 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 75 62 69 -6 0 4 0.03 0.0 0 9.5 20 40 M M 9 1 28 30 2 81 60 71 -4 0 6 0.00 0.0 0 4.7 13 360 M M 5 19 30 3 83 60 72 -3 0 7 0.00 0.0 0 4.7 14 160 M M 3 19 160 4 89 62 76 1 0 11 0.00 0.0 0 3.9 13 170 M M 4 16 290 5 84 67 76 1 0 11 0.00 0.0 0 5.5 15 160 M M 6 18 20 150 6 81 68 75 0 0 10 0.01 0.0 0 6.8 14 130 M M 7 19 120 7 79 62 71 -4 0 6 T 0.0 0 7.5 18 140 M M 6 1 23 130 8 80 59 70 -5 0 5 0.00 0.0 0 4.7 15 160 M M 2 23 120 9 83 56 70 -5 0 5 0.00 0.0 0 4.1 13 170 M M 2 17 160 10 87 62 75 1 0 10 0.00 0.0 0 5.4 16 210 M M 4 21 210 11 89 67 78 4 0 13 0.00 0.0 0 6.8 16 230 M M 2 20 230 12 87 68 78 4 0 13 0.00 0.0 M 7.6 17 230 M M 3 22 230 13 86 74 80 6 0 15 0.11 0.0 M 8.7 18 210 M M 6 13 25 190 14 89 73 81 7 0 16 0.00 0.0 0 4.4 10 190 M M 6 18 14 350 15 88 74 81 7 0 16 0.00 0.0 0 9.5 17 30 M M 2 23 50 16 82 74 78 4 0 13 0.00 0.0 0 6.6 12 170 M M 7 16 190 ================================================================================ SM 1343 1048 0 161 0.15 0.0 100.4 M 74 ================================================================================ AV 83.9 65.5 6.3 FASTST M M 5 MAX(MPH) MISC ----> 20 40 28 30 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: ISLIP NY MONTH: AUGUST YEAR: 2025 LATITUDE: 40 47 N LONGITUDE: 73 6 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 74.7 TOTAL FOR MONTH: 0.15 1 = FOG OR MIST DPTR FM NORMAL: 0.2 DPTR FM NORMAL: -2.12 2 = FOG REDUCING VISIBILITY HIGHEST: 89 ON 14,11 GRTST 24HR 2.96 ON 31- 1 TO 1/4 MILE OR LESS LOWEST: 56 ON 9 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: 3 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 1 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) 6 DPTR FM NORMAL 0 PTCLDY (SCALE 4-7) 9 TOTAL FM JUL 1 0 CLOUDY (SCALE 8-10) 1 DPTR FM NORMAL -1 [CDD (BASE 65) ] TOTAL THIS MO. 161 DPTR FM NORMAL 7 [PRESSURE DATA] TOTAL FM JAN 1 842 HIGHEST SLP M ON M DPTR FM NORMAL 195 LOWEST SLP 29.83 ON 13 [REMARKS]