Climatological Report (Daily)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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CDUS41 KOKX 290622
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
222 AM EDT FRI AUG 29 2025
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 28 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 78 103 PM 95 1973 80 -2 91
MINIMUM 54 515 AM 49 1986 64 -10 71
AVERAGE 66 72 -6 81
PRECIPITATION (IN)
YESTERDAY T 2.01 2021 0.13 -0.13 0.01
MONTH TO DATE 0.53 3.91 -3.38 6.46
SINCE JUN 1 8.05 11.17 -3.12 11.45
SINCE JAN 1 23.78 29.97 -6.19 38.83
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 1
SINCE JUN 1 18 31 -13 1
SINCE JUL 1 0 1 -1 1
COOLING
YESTERDAY 1 7 -6 16
MONTH TO DATE 233 251 -18 264
SINCE JUN 1 902 715 187 860
SINCE JAN 1 914 744 170 902
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 9.6
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 500 AM
LOWEST 39 100 PM
AVERAGE 63
..........................................................
THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 92 2018
MINIMUM TEMPERATURE (F) 64 46 1986
SUNRISE AND SUNSET
AUGUST 29 2025........SUNRISE 617 AM EDT SUNSET 729 PM EDT
AUGUST 30 2025........SUNRISE 618 AM EDT SUNSET 727 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$