CDUS41 KOKX 200617 CLIISP CLIMATE REPORT NATIONAL WEATHER SERVICE NEW YORK, NY 217 AM EDT WED MAY 20 2026 ................................... ...THE ISLIP NY CLIMATE SUMMARY FOR MAY 19 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 81 142 PM 89 2017 69 12 72 MINIMUM 63 526 AM 37 2002 52 11 51 AVERAGE 72 60 12 62 PRECIPITATION (IN) YESTERDAY 0.00 2.33 1966 0.10 -0.10 0.00 MONTH TO DATE 0.70 1.93 -1.23 2.27 SINCE MAR 1 7.04 10.50 -3.46 9.01 SINCE JAN 1 13.28 17.45 -4.17 13.33 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 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 YESTERDAY 0 5 -5 3 MONTH TO DATE 138 146 -8 41 SINCE MAR 1 1288 1386 -98 1014 SINCE JUL 1 5144 5105 39 4496 COOLING YESTERDAY 7 1 6 0 MONTH TO DATE 19 6 13 12 SINCE MAR 1 30 8 22 12 SINCE JAN 1 30 8 22 12 ................................................................... WIND (MPH) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (210) HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 9.6 SKY COVER AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 87 400 AM LOWEST 64 200 PM AVERAGE 76 .......................................................... THE ISLIP NY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 69 98 1996 MINIMUM TEMPERATURE (F) 52 35 1992 SUNRISE AND SUNSET MAY 20 2026...........SUNRISE 531 AM EDT SUNSET 808 PM EDT MAY 21 2026...........SUNRISE 530 AM EDT SUNSET 809 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$