CDUS41 KOKX 190617 CLIISP CLIMATE REPORT NATIONAL WEATHER SERVICE NEW YORK, NY 217 AM EDT WED AUG 19 2026 ................................... ...THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 18 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 85 128 PM 92 2002 81 4 78 MINIMUM 69 517 AM 52 1979 66 3 60 AVERAGE 77 74 3 69 PRECIPITATION (IN) YESTERDAY T 1.91 2017 0.14 -0.14 T MONTH TO DATE 3.35 2.54 0.81 0.15 SINCE JUN 1 11.78 9.80 1.98 7.67 SINCE JAN 1 27.04 28.60 -1.56 23.40 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 0.0 0.0 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 10 31 -21 18 SINCE JUL 1 0 1 -1 0 COOLING YESTERDAY 12 9 3 4 MONTH TO DATE 218 172 46 180 SINCE JUN 1 718 636 82 849 SINCE JAN 1 773 665 108 861 ................................................................... WIND (MPH) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (170) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (170) AVERAGE WIND SPEED 4.3 SKY COVER AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 100 200 AM LOWEST 57 100 PM AVERAGE 79 .......................................................... THE ISLIP NY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 81 91 2002 MINIMUM TEMPERATURE (F) 66 54 1968 SUNRISE AND SUNSET AUGUST 19 2026........SUNRISE 607 AM EDT SUNSET 745 PM EDT AUGUST 20 2026........SUNRISE 608 AM EDT SUNSET 743 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$