093
CXUS51 KOKX 042214 CCA
CLSISP
CLIMATE REPORT...CORRECTED
NATIONAL WEATHER SERVICE NEW YORK, NY
514 PM EST WED MAR 04 2026
...............................
...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2025 TO 2/28/2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..........................................................
TEMPERATURE (F)
RECORD
HIGH 77 12/07/1998
LOW -14 02/13/1967
HIGHEST 59 12/19 MM MM
LOWEST 0 01/31 MM MM
AVG. MAXIMUM 37.8 41.5 -3.7
AVG. MINIMUM 23.3 26.7 -3.4
MEAN 30.6 34.1 -3.5
DAYS MAX >= 90 0 0.0 0.0
DAYS MAX <= 32 24 15.1 8.9
DAYS MIN <= 32 77 68.0 9.0
DAYS MIN <= 0 1 0.1 0.9
PRECIPITATION (INCHES)
RECORD
MAXIMUM 22.25 1979
MINIMUM 5.38 2002
TOTALS 10.01 11.66 -1.65 10.55
DAILY AVG. 0.11 0.13 -0.02
DAYS >= .01 31 32.8 -1.8
DAYS >= .10 16 20.5 -4.5
DAYS >= .50 8 8.2 -0.2
DAYS >= 1.00 3 2.9 0.1
GREATEST
24 HR. TOTAL 1.98
STORM TOTAL 1.98
(MM/DD(HH))
SNOWFALL (INCHES)
RECORDS
TOTAL 57.8 2014
24 HR TOTAL MM MM
TOTALS 61.6R 24.2 37.4
LIQUID EQUIV 6.20 2.40 3.80
SINCE 7/1 61.6 24.7 36.9
LIQUID 7/1 6.16
DAYS >= TRACE 25 10.1 14.9
DAYS >= 1.0 9 5.8 3.2
GREATEST
SNOW DEPTH 26R 02/24
24 HR TOTAL MM
STORM TOTAL 19.6
(MM/DD(HH))
DEGREE DAYS
HEATING TOTAL 3067 2780 287
SINCE 7/1 3856 3719 137
COOLING TOTAL 0 0 0
SINCE 1/1 0 0 0
..........................................................
WIND (MPH)
AVERAGE WIND SPEED 10.3
HIGHEST WIND SPEED/DIRECTION 40/340 DATE 02/07
HIGHEST GUST SPEED/DIRECTION 59/170 DATE 12/19
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.57
NUMBER OF DAYS FAIR 18
NUMBER OF DAYS PC 46
NUMBER OF DAYS CLOUDY 26
AVERAGE RH (PERCENT) 64
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 4
LIGHT RAIN 20 FREEZING RAIN 0
LT FREEZING RAIN 1 HAIL 0
HEAVY SNOW 4 SNOW 5
LIGHT SNOW 24 SLEET 2
FOG 38 FOG W/VIS <= 1/4 MILE 11
HAZE 8
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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