


Climatological Report (Daily)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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689 CDUS41 KOKX 200619 CLIISP CLIMATE REPORT NATIONAL WEATHER SERVICE NEW YORK, NY 219 AM EDT SUN APR 20 2025 ................................... ...THE ISLIP NY CLIMATE SUMMARY FOR APRIL 19 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 76 120 PM 82 1985 60 16 55 MINIMUM 53 612 AM 27 1965 42 11 45 AVERAGE 65 51 14 50 PRECIPITATION (IN) YESTERDAY 0.00 0.79 1983 0.14 -0.14 0.00 MONTH TO DATE 1.40 2.60 -1.20 3.16 SINCE MAR 1 6.16 7.11 -0.95 12.70 SINCE JAN 1 10.48 14.06 -3.58 22.42 SNOWFALL (IN) YESTERDAY 0.0 1.0 1983 0.1 -0.1 0.0 MONTH TO DATE 0.0 0.6 -0.6 0.0 SINCE MAR 1 0.0 7.1 -7.1 0.0 SINCE JUL 1 11.7 31.8 -20.1 10.9 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 14 -14 15 MONTH TO DATE 299 328 -29 281 SINCE MAR 1 913 1108 -195 872 SINCE JUL 1 4395 4827 -432 4211 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 1 SINCE MAR 1 0 0 0 1 SINCE JAN 1 0 0 0 1 ................................................................... WIND (MPH) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (240) HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SW (240) AVERAGE WIND SPEED 11.0 SKY COVER AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 86 600 AM LOWEST 45 100 PM AVERAGE 66 .......................................................... THE ISLIP NY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 60 83 1976 MINIMUM TEMPERATURE (F) 43 28 1965 SUNRISE AND SUNSET APRIL 20 2025.........SUNRISE 606 AM EDT SUNSET 737 PM EDT APRIL 21 2025.........SUNRISE 604 AM EDT SUNSET 739 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$