Climatological Report (Daily)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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096
CDUS41 KOKX 301311
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
911 AM EDT SUN AUG 30 2026
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 29 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 77 430 PM 92 2018 80 -3 78
MINIMUM 63 1159 PM 46 1986 64 -1 65
AVERAGE 70 72 -2 72
PRECIPITATION (IN)
YESTERDAY 0.00 2.72 2002 0.11 -0.11 T
MONTH TO DATE 7.92 4.02 3.90 0.53
SINCE JUN 1 16.35 11.28 5.07 8.05
SINCE JAN 1 31.61 30.08 1.53 23.78
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 5 7 -2 7
MONTH TO DATE 304 258 46 240
SINCE JUN 1 804 722 82 909
SINCE JAN 1 859 751 108 921
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 7.6
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 400 AM
LOWEST 37 300 PM
AVERAGE 57
..........................................................
THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 96 1973
MINIMUM TEMPERATURE (F) 64 45 1986
SUNRISE AND SUNSET
AUGUST 30 2026........SUNRISE 617 AM EDT SUNSET 728 PM EDT
AUGUST 31 2026........SUNRISE 618 AM EDT SUNSET 726 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$