Climatological Report (Daily)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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976
CDUS41 KOKX 010622
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
222 AM EDT TUE SEP 01 2026
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 31 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 77 143 PM 94 1973 79 -2 79
2010
MINIMUM 68 629 AM 45 1965 64 4 60
AVERAGE 73 72 1 70
PRECIPITATION (IN)
YESTERDAY T 0.65 1981 0.11 -0.11 0.00
MONTH TO DATE 7.94 4.24 3.70 0.53
SINCE JUN 1 16.37 11.50 4.87 8.05
SINCE JAN 1 31.63 30.30 1.33 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 8 7 1 5
MONTH TO DATE 318 271 47 247
SINCE JUN 1 818 735 83 916
SINCE JAN 1 873 764 109 928
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 7.3
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1200 AM
LOWEST 64 1000 AM
AVERAGE 79
..........................................................
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 2026.....SUNRISE 619 AM EDT SUNSET 725 PM EDT
SEPTEMBER 2 2026.....SUNRISE 620 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.
$$