Climatological Report (Daily)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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CDUS41 KOKX 102032
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
432 PM EDT THU SEP 10 2026
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 10 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 86 259 PM 90 1983 77 9 74
MINIMUM 70 511 AM 39 1975 61 9 64
AVERAGE 78 69 9 69
PRECIPITATION (IN)
TODAY 0.03 2.75 2020 0.12 -0.09 0.01
MONTH TO DATE 1.15 1.13 0.02 1.10
SINCE SEP 1 1.15 1.13 0.02 1.10
SINCE JAN 1 32.78 31.43 1.35 24.88
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 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
TODAY 0 1 -1 0
MONTH TO DATE 0 3 -3 2
SINCE SEP 1 0 3 -3 2
SINCE JUL 1 0 6 -6 2
COOLING
TODAY 13 5 8 4
MONTH TO DATE 75 55 20 33
SINCE SEP 1 75 55 20 33
SINCE JAN 1 948 819 129 961
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 11.6
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 200 AM
LOWEST 51 300 PM
AVERAGE 69
..........................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 92 1983
MINIMUM TEMPERATURE (F) 61 45 1969
SUNRISE AND SUNSET
SEPTEMBER 10 2026.....SUNRISE 628 AM EDT SUNSET 710 PM EDT
SEPTEMBER 11 2026.....SUNRISE 629 AM EDT SUNSET 708 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$