


Climatological Report (Daily)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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458 CDUS41 KOKX 110617 CLIISP CLIMATE REPORT NATIONAL WEATHER SERVICE NEW YORK, NY 217 AM EDT MON AUG 11 2025 ................................... ...THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 10 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1963 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 87 1056 AM 91 2009 82 5 88 MINIMUM 62 442 AM 51 1964 67 -5 72 AVERAGE 75 74 1 80 PRECIPITATION (IN) YESTERDAY 0.00 1.64 2012 0.14 -0.14 0.02 MONTH TO DATE 0.04 1.43 -1.39 4.30 SINCE JUN 1 7.56 8.69 -1.13 9.29 SINCE JAN 1 23.29 27.49 -4.20 36.67 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 18 31 -13 0 SINCE JUL 1 0 1 -1 0 COOLING YESTERDAY 10 10 0 15 MONTH TO DATE 75 100 -25 124 SINCE JUN 1 744 564 180 720 SINCE JAN 1 756 593 163 762 ................................................................... WIND (MPH) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (210) HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 5.4 SKY COVER AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 87 600 AM LOWEST 36 1000 AM AVERAGE 62 .......................................................... THE ISLIP NY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 82 93 2005 MINIMUM TEMPERATURE (F) 67 49 1972 SUNRISE AND SUNSET AUGUST 11 2025........SUNRISE 559 AM EDT SUNSET 756 PM EDT AUGUST 12 2025........SUNRISE 600 AM EDT SUNSET 754 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$