Climatological Report (Daily)
Issued by NWS Upton, NY

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154
CDUS41 KOKX 170623
CLIISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
123 AM EST MON NOV 17 2025

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

...THE ISLIP NY CLIMATE SUMMARY FOR NOVEMBER 16 2025...

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)
 YESTERDAY
  MAXIMUM         60   1032 AM  70    2001  53      7       63
  MINIMUM         41   1002 PM  17    1967  37      4       44
  AVERAGE         51                        45      6       54

PRECIPITATION (IN)
  YESTERDAY        0.06          1.15 1983   0.10  -0.04     0.00
  MONTH TO DATE    1.17                      1.72  -0.55     0.23
  SINCE SEP 1      7.81                      9.29  -1.48     0.59
  SINCE JAN 1     31.59                     39.59  -8.00    39.46

SNOWFALL (IN)
  YESTERDAY        0.0           T    1997   0.1   -0.1      0.0
  MONTH TO DATE    T                         0.2   -0.2      0.0
  SINCE SEP 1      T                         0.2   -0.2      0.0
  SINCE JUL 1      T                         0.2   -0.2      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       14                        20     -6       11
  MONTH TO DATE  256                       276    -20      212
  SINCE SEP 1    484                       630   -146      434
  SINCE JUL 1    484                       633   -149      435

 COOLING
  YESTERDAY        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    36   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    55   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    17.8


SKY COVER
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89          1200 AM
 LOWEST     30           100 PM
 AVERAGE    60

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


THE ISLIP NY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   53        66      2006
 MINIMUM TEMPERATURE (F)   37        15      1967


SUNRISE AND SUNSET
NOVEMBER 17 2025......SUNRISE   642 AM EST   SUNSET   432 PM EST
NOVEMBER 18 2025......SUNRISE   643 AM EST   SUNSET   432 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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