CDUS41 KOKX 202114 CLIISP CLIMATE REPORT NATIONAL WEATHER SERVICE NEW YORK, NY 514 PM EDT SUN SEP 20 2026 ................................... ...THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 20 2026... VALID TODAY AS OF 0400 PM LOCAL TIME. 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) TODAY MAXIMUM 67 259 PM 87 1983 74 -7 75 MINIMUM 60 418 AM 38 1979 58 2 57 AVERAGE 64 66 -2 66 PRECIPITATION (IN) TODAY 0.24 0.96 1988 0.12 0.12 0.00 MONTH TO DATE 4.45 2.36 2.09 1.24 SINCE SEP 1 4.45 2.36 2.09 1.24 SINCE JAN 1 36.08 32.66 3.42 25.02 SNOWFALL (IN) TODAY 0.0 MM MM 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE SEP 1 0.0 0.0 0.0 0.0 SINCE JUL 1 0.0 0.0 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING TODAY 1 2 -1 0 MONTH TO DATE 4 18 -14 2 SINCE SEP 1 4 18 -14 2 SINCE JUL 1 4 21 -17 2 COOLING TODAY 0 3 -3 1 MONTH TO DATE 111 90 21 86 SINCE SEP 1 111 90 21 86 SINCE JAN 1 984 854 130 1014 ................................................................... WIND (MPH) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (120) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (160) AVERAGE WIND SPEED 9.0 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 97 1200 PM LOWEST 72 300 AM AVERAGE 85 .......................................................... THE ISLIP NY CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 84 1980 MINIMUM TEMPERATURE (F) 57 43 1973 1991 SUNRISE AND SUNSET SEPTEMBER 20 2026.....SUNRISE 638 AM EDT SUNSET 653 PM EDT SEPTEMBER 21 2026.....SUNRISE 639 AM EDT SUNSET 651 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$