Climatological Report (Daily)
Issued by NWS Upton, NY

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564
CDUS41 KOKX 302140
CLIISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
440 PM EST SUN NOV 30 2025

...................................

...THE ISLIP NY CLIMATE SUMMARY FOR NOVEMBER 30 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         50   1120 AM  64    2001  49      1       41
  MINIMUM         32   1211 AM  20    1989  34     -2       27
  AVERAGE         41                        41      0       34

PRECIPITATION (IN)
  TODAY            0.40          0.86 2020   0.14   0.26     0.00
  MONTH TO DATE    2.54                      3.41  -0.87     3.34
  SINCE SEP 1      9.18                     10.98  -1.80     3.70
  SINCE JAN 1     32.96                     41.28  -8.32    42.57

SNOWFALL (IN)
  TODAY            0.0           2.5  1967   0.0    0.0      0.0
  MONTH TO DATE    T                         0.5   -0.5      0.0
  SINCE SEP 1      T                         0.5   -0.5      0.0
  SINCE JUL 1      T                         0.5   -0.5      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           24                        24      0       31
  MONTH TO DATE  561                       582    -21      467
  SINCE SEP 1    789                       936   -147      689
  SINCE JUL 1    789                       939   -150      690

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        4
  SINCE SEP 1    176                       121     55       91
  SINCE JAN 1   1104                       885    219     1012
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     8.9


SKY COVER
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           200 PM
 LOWEST     54           300 AM
 AVERAGE    74

..........................................................


THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   49        67      2001
 MINIMUM TEMPERATURE (F)   33        15      1976


SUNRISE AND SUNSET
NOVEMBER 30 2025......SUNRISE   656 AM EST   SUNSET   426 PM EST
DECEMBER  1 2025......SUNRISE   658 AM EST   SUNSET   425 PM EST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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