


WFO Monthly/Daily Climate Data
Issued by NWS Upton, NY
Issued by NWS Upton, NY
935 CXUS51 KOKX 080910 CF6ISP PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: ISLIP NY MONTH: APRIL 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 55 41 48 3 17 0 0.17 0.0 0 13.1 28 340 M M 4 18 42 320 2 47 34 41 -4 24 0 T 0.0 0 12.5 22 140 M M 6 29 140 3 61 45 53 8 12 0 0.30 0.0 0 13.8 24 210 M M 10 12 35 220 4 71 54 63 17 2 0 0.11 0.0 0 7.7 17 300 M M 8 1 23 300 5 57 44 51 5 14 0 0.10 0.0 0 13.5 23 120 M M 9 18 33 130 6 56 44 50 4 15 0 0.13 0.0 0 5.0 15 330 M M 10 1 21 340 7 51 40 46 -1 19 0 0.18 0.0 0 7.5 15 100 M M 10 1 20 90 ================================================================================ SM 398 302 103 0 0.99 0.0 73.1 M 57 ================================================================================ AV 56.9 43.1 10.4 FASTST M M 8 MAX(MPH) MISC ----> 28 340 42 320 ================================================================================ 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: APRIL YEAR: 2025 LATITUDE: 40 47 N LONGITUDE: 73 6 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 50.0 TOTAL FOR MONTH: 0.99 1 = FOG OR MIST DPTR FM NORMAL: 4.3 DPTR FM NORMAL: 0.06 2 = FOG REDUCING VISIBILITY HIGHEST: 71 ON 4 GRTST 24HR 0.61 ON 31- 1 TO 1/4 MILE OR LESS LOWEST: 34 ON 2 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: 0 0.10 INCH OR MORE: 6 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. 103 CLEAR (SCALE 0-3) 0 DPTR FM NORMAL -32 PTCLDY (SCALE 4-7) 3 TOTAL FM JUL 1 4199 CLOUDY (SCALE 8-10) 4 DPTR FM NORMAL -435 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 0 HIGHEST SLP M ON M DPTR FM NORMAL 0 LOWEST SLP 29.54 ON 1 [REMARKS]