WFO Monthly/Daily Climate Data
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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CXUS51 KOKX 290910
CF6ISP
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: ISLIP NY
MONTH: MAY
YEAR: 2026
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 63 40 52 -3 13 0 0.00 0.0 0 9.9 21 210 M M 3 28 200
2 59 49 54 -1 11 0 0.01 0.0 0 5.7 15 350 M M 8 20 30
3 59 43 51 -5 14 0 0.00 0.0 0 13.9 25 320 M M 4 36 340
4 65 46 56 0 9 0 0.00 0.0 0 13.1 24 200 M M 1 33 200
5 67 53 60 4 5 0 0.00 0.0 0 14.4 28 200 M M 4 44 200
6 62 56 59 2 6 0 0.06 0.0 0 13.4 24 200 M M 7 1 36 220
7 64 45 55 -2 10 0 0.24 0.0 0 9.0 18 340 M M 5 1 25 320
8 64 44 54 -3 11 0 T 0.0 0 9.9 24 260 M M 6 36 260
9 62 48 55 -3 10 0 0.31 0.0 0 8.4 21 210 M M 10 1 32 200
10 67 52 60 2 5 0 0.01 0.0 0 5.9 15 350 M M 9 12 21 10
11 60 45 53 -5 12 0 0.03 0.0 0 7.6 18 360 M M 7 1 28 360
12 65 46 56 -2 9 0 0.00 0.0 0 10.4 20 210 M M 3 27 350
13 65 51 58 -1 7 0 T 0.0 0 14.4 26 190 M M 7 43 190
14 67 53 60 1 5 0 0.04 0.0 0 6.9 20 340 M M 9 1 27 350
15 67 50 59 0 6 0 0.00 0.0 0 9.2 18 340 M M 7 24 310
16 73 47 60 0 5 0 0.00 0.0 0 11.3 24 220 M M 3 35 210
17 84 57 71 11 0 6 0.00 0.0 0 8.2 18 210 M M 4 25 210
18 83 59 71 11 0 6 0.00 0.0 0 7.3 17 190 M M 4 23 190
19 81 63 72 12 0 7 0.00 0.0 0 9.6 21 210 M M 3 31 210
20 93 66 80 19 0 15 0.43 0.0 0 9.0 18 210 M M 4 13 28 240
21 67 55 61 0 4 0 0.04 0.0 0 6.5 20 20 M M 8 1 26 30
22 67 54 61 0 4 0 0.00 0.0 0 10.4 20 130 M M 7 25 150
23 56 50 53 -9 12 0 0.35 0.0 0 6.7 15 80 M M 9 1 22 80
24 57 50 54 -8 11 0 1.01 0.0 0 10.0 21 100 M M 10 1 29 120
25 73 55 64 2 1 0 0.14 0.0 0 5.3 12 220 M M 9 1 16 220
26 77 58 68 6 0 3 0.00 0.0 0 6.8 13 150 M M 6 1 16 170
27 79 59 69 6 0 4 T 0.0 0 8.1 15 220 M M 6 21 230
28 77 59 68 5 0 3 T 0.0 0 11.7 25 320 M M 4 35 310
================================================================================
SM 1923 1453 170 44 2.67 0.0 263.0 M 167
================================================================================
AV 68.7 51.9 9.4 FASTST M M 6 MAX(MPH)
MISC ----> 28 200 44 200
================================================================================
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: MAY
YEAR: 2026
LATITUDE: 40 47 N
LONGITUDE: 73 6 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 60.3 TOTAL FOR MONTH: 2.67 1 = FOG OR MIST
DPTR FM NORMAL: 1.2 DPTR FM NORMAL: -0.25 2 = FOG REDUCING VISIBILITY
HIGHEST: 93 ON 20 GRTST 24HR 1.14 ON 23-24 TO 1/4 MILE OR LESS
LOWEST: 40 ON 1 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: 12
MAX 90 OR ABOVE: 1 0.10 INCH OR MORE: 6
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 1
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1
[HDD (BASE 65) ]
TOTAL THIS MO. 170 CLEAR (SCALE 0-3) 4
DPTR FM NORMAL -16 PTCLDY (SCALE 4-7) 18
TOTAL FM JUL 1 5176 CLOUDY (SCALE 8-10) 6
DPTR FM NORMAL 31
[CDD (BASE 65) ]
TOTAL THIS MO. 44
DPTR FM NORMAL 25 [PRESSURE DATA]
TOTAL FM JAN 1 55 HIGHEST SLP M ON M
DPTR FM NORMAL 34 LOWEST SLP 29.68 ON 14
[REMARKS]