805
CDUS41 KOKX 180618
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
218 AM EDT THU JUN 18 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR JUNE 17 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 76 1240 PM 90 2022 78 -2 68
MINIMUM 62 453 AM 48 2009 62 0 64
AVERAGE 69 70 -1 66
PRECIPITATION (IN)
YESTERDAY 0.00 2.83 2001 0.14 -0.14 0.02
MONTH TO DATE 0.38 2.54 -2.16 1.24
SINCE JUN 1 0.38 2.54 -2.16 1.24
SINCE JAN 1 15.64 21.34 -5.70 16.97
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 61.8 31.8 30.0 11.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 10 27 -17 18
SINCE JUN 1 10 27 -17 18
SINCE JUL 1 5205 5182 23 4586
COOLING
YESTERDAY 4 5 -1 1
MONTH TO DATE 99 59 40 59
SINCE JUN 1 99 59 40 59
SINCE JAN 1 154 88 66 71
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 8.6
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 500 AM
LOWEST 48 200 PM
AVERAGE 71
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THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 89 2014
MINIMUM TEMPERATURE (F) 62 50 1964
1965
SUNRISE AND SUNSET
JUNE 18 2026..........SUNRISE 521 AM EDT SUNSET 827 PM EDT
JUNE 19 2026..........SUNRISE 521 AM EDT SUNSET 827 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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