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CXUS51 KOKX 011717
CLMISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
117 PM EDT SAT NOV 01 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
RECORD
HIGH 89 10/02/2019
LOW 23 10/31/1966
HIGHEST 83 10/04 MM MM 82 10/22
10/05
LOWEST 38 10/27 MM MM 39 10/16
10/17
10/28
AVG. MAXIMUM 66.5 64.1 2.4 69.1
AVG. MINIMUM 50.2 47.3 2.9 47.6
MEAN 58.4 55.7 2.7 58.4
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.8 -0.8 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 14.07 2005
MINIMUM 0.12 2024
TOTALS 5.06 3.97 1.09 0.12
DAILY AVG. 0.16 0.13 0.03 0.00
DAYS >= .01 7 9.2 -2.2 3
DAYS >= .10 6 5.6 0.4 1
DAYS >= .50 3 2.6 0.4 0
DAYS >= 1.00 2 1.2 0.8 0
GREATEST
24 HR. TOTAL 2.64 10/30 TO 10/31 0.10 10/07 TO 10/07
STORM TOTAL 2.60 0.10
(MM/DD(HH)) MM
SNOWFALL (INCHES)
RECORDS
TOTAL 0.3 2011
24 HR TOTAL 0.3 10/29/2020 TO 10/29/2011
TOTALS 0.0 0.0 0.0 0.0
LIQUID EQUIV 0.00 0.00 0.00 0.00
SINCE 7/1 0.0 0.0 0.0 MM
LIQUID 7/1 0.00 0.00 0.00 MM
DAYS >= TRACE 0 0.0 0.0 0
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
SNOW DEPTH 0 0 MM
24 HR TOTAL MM MM
STORM TOTAL 0.0 0.0
(MM/DD(HH)) MM
DEGREE DAYS
HEATING TOTAL 221 301 -80 204
SINCE 7/1 228 357 -129 MM
COOLING TOTAL 20 13 7 7
SINCE 1/1 1104 885 219 MM
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WIND (MPH)
AVERAGE WIND SPEED 10.5
HIGHEST WIND SPEED/DIRECTION 33/040 DATE 10/13
HIGHEST GUST SPEED/DIRECTION 48/040 DATE 10/13
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.49
NUMBER OF DAYS FAIR 13
NUMBER OF DAYS PC 12
NUMBER OF DAYS CLOUDY 6
AVERAGE RH (PERCENT) 65
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 6
LIGHT RAIN 9 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 11 FOG W/VIS <= 1/4 MILE 1
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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