Climatological Report (Daily)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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962
CDUS41 KOKX 112037
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
437 PM EDT FRI SEP 11 2026
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 11 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 78 232 PM 92 1983 76 2 81
MINIMUM 65 537 AM 45 1969 61 4 57
AVERAGE 72 69 3 69
PRECIPITATION (IN)
TODAY 0.00 1.19 2023 0.11 -0.11 0.00
MONTH TO DATE 1.15 1.24 -0.09 1.10
SINCE SEP 1 1.15 1.24 -0.09 1.10
SINCE JAN 1 32.78 31.54 1.24 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 4 -4 2
SINCE SEP 1 0 4 -4 2
SINCE JUL 1 0 7 -7 2
COOLING
TODAY 7 4 3 4
MONTH TO DATE 82 59 23 37
SINCE SEP 1 82 59 23 37
SINCE JAN 1 955 823 132 965
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 5.7
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 600 AM
LOWEST 47 200 PM
AVERAGE 64
..........................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 90 2005
MINIMUM TEMPERATURE (F) 60 45 1993
SUNRISE AND SUNSET
SEPTEMBER 11 2026.....SUNRISE 629 AM EDT SUNSET 708 PM EDT
SEPTEMBER 12 2026.....SUNRISE 630 AM EDT SUNSET 706 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$