WFO Monthly/Daily Climate Data Issued by NWS Upton, NY
000
CXUS51 KOKX 010910
CF6ISP
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: ISLIP NY
MONTH: APRIL
YEAR: 2021
LATITUDE: 40 47 N
LONGITUDE: 73 6 W
TEMPERATURE IN F: :PCPN: SNOW: WIND :SUNSHINE: SKY :PK WND
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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
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1 56 37 47 3 18 0 0.06 T 0 17.4 30 340 M M 9 1 44 330
2 37 30 34 -11 31 0 0.00 0.0 0 12.2 23 330 M M 8 30 350
3 50 28 39 -6 26 0 0.00 0.0 0 9.3 21 320 M M 2 26 320
4 61 32 47 2 18 0 0.00 0.0 0 5.9 20 340 M M 4 24 270
5 67 45 56 10 9 0 0.00 0.0 0 13.9 26 330 M M 1 35 310
6 66 37 52 6 13 0 0.00 0.0 0 10.8 21 310 M M 1 28 310
7 68 40 54 8 11 0 0.00 0.0 0 6.0 13 120 M M 4 16 150
8 69 42 56 9 9 0 0.00 0.0 0 6.5 15 160 M M 2 19 160
9 52 43 48 1 17 0 T 0.0 0 6.0 12 200 M M 8 1 15 200
10 63 46 55 8 10 0 0.04 0.0 0 5.7 14 220 M M 9 12 19 230
11 59 46 53 5 12 0 0.46 0.0 0 9.6 22 70 M M 10 12 28 80
12 54 44 49 1 16 0 0.31 0.0 0 9.6 22 70 M M 10 1 30 70
13 64 42 53 5 12 0 0.00 0.0 0 9.4 20 120 M M 5 23 120
14 65 42 54 5 11 0 0.00 0.0 0 5.4 14 210 M M 6 16 230
15 54 42 48 -1 17 0 1.80 0.0 0 9.7 20 30 M M 10 1 24 110
16 54 39 47 -2 18 0 0.12 0.0 0 11.9 21 320 M M 9 1 27 320
17 55 39 47 -3 18 0 0.00 0.0 0 8.9 20 340 M M 7 25 340
18 64 46 55 5 10 0 0.00 0.0 0 7.7 21 220 M M 8 25 230
19 64 44 54 4 11 0 T 0.0 M 4.2 15 170 M M 6 18 18 170
20 66 42 54 3 11 0 0.00 0.0 0 10.5 22 210 M M 3 1 32 210
21 60 38 49 -2 16 0 0.23 0.0 0 15.0 25 300 M M 7 13 38 210
22 48 34 41 -10 24 0 0.00 0.0 0 17.2 30 290 M M 5 41 300
23 63 37 50 -2 15 0 0.00 0.0 0 13.5 25 270 M M 2 32 250
24 69 41 55 3 10 0 0.00 0.0 M 9.4 22 210 M M 4 28 220
25 59 49 54 2 11 0 0.50 0.0 0 8.8 18 330 M M 8 1 24 320
26 59 42 51 -1 14 0 0.00 0.0 0 13.5 26 300 M M 2 35 270
27 59 42 51 -2 14 0 T 0.0 0 5.8 15 170 M M 7 18 190
28 74 49 62 9 3 0 0.01 0.0 0 6.7 21 360 M M 8 26 360
29 68 54 61 7 4 0 0.30 0.0 M 7.4 23 220 M M 9 1 31 230
30 69 46 58 4 7 0 T 0.0 M 19.4 35 300 M M 6 45 300
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SM 1816 1238 416 0 3.83 T 297.3 M 180
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AV 60.5 41.3 9.9 FASTST M M 6 MAX(MPH)
MISC ----> 35 300 45 300
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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: 2021
LATITUDE: 40 47 N
LONGITUDE: 73 6 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 50.9 TOTAL FOR MONTH: 3.83 1 = FOG OR MIST
DPTR FM NORMAL: 1.8 DPTR FM NORMAL: -0.51 2 = FOG REDUCING VISIBILITY
HIGHEST: 74 ON 28 GRTST 24HR 1.86 ON 15-16 TO 1/4 MILE OR LESS
LOWEST: 28 ON 3 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: T 5 = HAIL
GRTST 24HR T ON 1- 1 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: 10
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 7
MIN 32 OR BELOW: 3 0.50 INCH OR MORE: 2
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1
[HDD (BASE 65) ]
TOTAL THIS MO. 416 CLEAR (SCALE 0-3) 6
DPTR FM NORMAL -63 PTCLDY (SCALE 4-7) 17
TOTAL FM JUL 1 4628 CLOUDY (SCALE 8-10) 7
DPTR FM NORMAL -542
[CDD (BASE 65) ]
TOTAL THIS MO. 0
DPTR FM NORMAL -2 [PRESSURE DATA]
TOTAL FM JAN 1 0 HIGHEST SLP M ON M
DPTR FM NORMAL -2 LOWEST SLP 29.32 ON 30
[REMARKS]
#FINAL-04-21#