WFO Monthly/Daily Climate Data
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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CXUS51 KOKX 271010
CF6ISP
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: ISLIP NY
MONTH: JANUARY
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 36 22 29 -5 36 0 0.04 0.4 T 17.0 31 310 M M 4 1 48 310
2 30 21 26 -7 39 0 T 0.1 T 9.3 15 260 M M 7 31 270
3 31 23 27 -6 38 0 0.00 0.0 T 8.2 16 290 M M 7 21 300
4 35 26 31 -2 34 0 0.01 0.3 T 7.6 14 300 M M 7 1 18 300
5 40 25 33 0 32 0 0.00 0.0 0 6.9 12 190 M M 8 M M
6 41 32 37 4 28 0 0.04 0.0 0 4.6 12 80 M M 9 18 15 90
7 49 37 43 10 22 0 T 0.0 0 9.6 25 280 M M 6 128 34 270
8 50 35 43 11 22 0 0.00 0.0 0 4.6 16 340 M M 2 22 330
9 51 31 41 9 24 0 0.05 0.0 0 8.1 18 230 M M 6 18 28 230
10 51 41 46 14 19 0 0.81 0.0 0 8.3 21 100 M M 8 1 29 110
11 47 34 41 9 24 0 0.06 T 0 11.2 32 300 M M 8 18 51 300
12 41 32 37 5 28 0 0.00 0.0 0 12.9 30 300 M M 2 44 300
13 45 32 39 7 26 0 0.00 0.0 0 10.2 20 210 M M 4 32 210
14 51 43 47 15 18 0 0.02 0.0 0 8.7 18 220 M M 8 26 230
15 46 25 36 4 29 0 T 0.0 0 12.8 24 250 M M 6 33 260
16 34 23 29 -3 36 0 0.00 0.0 0 13.8 24 270 M M 4 36 310
17 44 26 35 3 30 0 0.10 T 0 6.2 20 230 M M 8 14 28 230
18 34 26 30 -1 35 0 0.29 0.9 T 5.3 16 350 M M 9 1 20 350
19 32 26 29 -2 36 0 T T 1 11.0 23 250 M M 5 1 33 260
20 27 14 21 -10 44 0 0.00 0.0 T 12.0 23 280 M M 1 35 270
21 40 8 24 -7 41 0 0.00 0.0 T 10.8 22 190 M M 5 34 200
22 48 37 43 12 22 0 0.00 0.0 0 11.7 28 250 M M 8 36 260
23 39 15 27 -4 38 0 0.00 0.0 0 16.1 35 320 M M 5 50 330
24 17 10 14 -17 51 0 0.00 0.0 0 14.0 23 360 M M 5 32 310
25 29 12 21 -10 44 0 1.13 12.9 T 13.3 23 40 M M 9 1249 40 50
26 26 17 22 -9 43 0 0.03 0.3 9 14.4 26 300 M M 7 16 40 320
================================================================================
SM 1014 673 839 0 2.58 14.9 268.6 M 158
================================================================================
AV 39.0 25.9 10.3 FASTST M M 6 MAX(MPH)
MISC ----> 35 320 51 300
================================================================================
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: JANUARY
YEAR: 2026
LATITUDE: 40 47 N
LONGITUDE: 73 6 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 32.4 TOTAL FOR MONTH: 2.58 1 = FOG OR MIST
DPTR FM NORMAL: 0.5 DPTR FM NORMAL: -0.54 2 = FOG REDUCING VISIBILITY
HIGHEST: 51 ON 14,10 GRTST 24HR 1.80 ON 25-25 TO 1/4 MILE OR LESS
LOWEST: 8 ON 21 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: 15.0 INCHES 5 = HAIL
GRTST 24HR 12.9 ON 25-25 6 = FREEZING RAIN OR DRIZZLE
GRTST DEPTH: 9 ON 26 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: 7 0.01 INCH OR MORE: 11
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 4
MIN 32 OR BELOW: 20 0.50 INCH OR MORE: 2
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1
[HDD (BASE 65) ]
TOTAL THIS MO. 839 CLEAR (SCALE 0-3) 3
DPTR FM NORMAL -20 PTCLDY (SCALE 4-7) 18
TOTAL FM JUL 1 2572 CLOUDY (SCALE 8-10) 5
DPTR FM NORMAL -91
[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 29.34 ON 15
[REMARKS]