Climatological Report (Daily)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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CDUS41 KOKX 010616
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
216 AM EDT MON SEP 01 2025
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 31 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 79 128 PM 94 1973 79 0 79
2010
MINIMUM 60 540 AM 45 1965 64 -4 65
AVERAGE 70 72 -2 72
PRECIPITATION (IN)
YESTERDAY 0.00 0.65 1981 0.11 -0.11 0.00
MONTH TO DATE 0.53 4.24 -3.71 6.50
SINCE JUN 1 8.05 11.50 -3.45 11.49
SINCE JAN 1 23.78 30.30 -6.52 38.87
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 5 7 -2 7
MONTH TO DATE 247 271 -24 283
SINCE JUN 1 916 735 181 879
SINCE JAN 1 928 764 164 921
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 5.9
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 1000 PM
LOWEST 32 100 PM
AVERAGE 54
..........................................................
THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 93 2010
MINIMUM TEMPERATURE (F) 64 49 1991
SUNRISE AND SUNSET
SEPTEMBER 1 2025.....SUNRISE 620 AM EDT SUNSET 724 PM EDT
SEPTEMBER 2 2025.....SUNRISE 621 AM EDT SUNSET 723 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$