CDUS41 KOKX 182048 CLIISP CLIMATE REPORT NATIONAL WEATHER SERVICE NEW YORK, NY 448 PM EDT MON MAY 18 2026 ................................... ...THE ISLIP NY CLIMATE SUMMARY FOR MAY 18 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 83 951 AM 89 1977 69 14 76 2017 MINIMUM 59 449 AM 38 2003 51 8 59 2023 AVERAGE 71 60 11 68 PRECIPITATION (IN) TODAY 0.00 1.60 2002 0.09 -0.09 0.00 MONTH TO DATE 0.70 1.83 -1.13 2.27 SINCE MAR 1 7.04 10.40 -3.36 9.01 SINCE JAN 1 13.28 17.35 -4.07 13.33 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 MAR 1 0.2 7.1 -6.9 0.0 SINCE JUL 1 61.8 31.8 30.0 11.7 SNOW DEPTH 0 DEGREE DAYS HEATING TODAY 0 6 -6 0 MONTH TO DATE 138 141 -3 38 SINCE MAR 1 1288 1381 -93 1011 SINCE JUL 1 5144 5100 44 4493 COOLING TODAY 6 1 5 3 MONTH TO DATE 12 5 7 12 SINCE MAR 1 23 7 16 12 SINCE JAN 1 23 7 16 12 ................................................................... WIND (MPH) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 6.2 SKY COVER AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 400 AM LOWEST 55 900 AM AVERAGE 74 .......................................................... THE ISLIP NY CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 69 89 2017 MINIMUM TEMPERATURE (F) 52 37 2002 SUNRISE AND SUNSET MAY 18 2026...........SUNRISE 532 AM EDT SUNSET 806 PM EDT MAY 19 2026...........SUNRISE 532 AM EDT SUNSET 807 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$