Climatological Report (Daily)
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.




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