Climatological Report (Daily)
Issued by NWS Upton, NY

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152
CDUS41 KOKX 190616
CLIISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
116 AM EST WED NOV 19 2025

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

...THE ISLIP NY CLIMATE SUMMARY FOR NOVEMBER 18 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         50    201 PM  69    1987  53     -3       66
  MINIMUM         34    439 AM  24    2014  37     -3       40
                                      2020
  AVERAGE         42                        45     -3       53

PRECIPITATION (IN)
  YESTERDAY        0.00          1.81 1968   0.11  -0.11     0.00
  MONTH TO DATE    1.17                      1.94  -0.77     0.23
  SINCE SEP 1      7.81                      9.51  -1.70     0.59
  SINCE JAN 1     31.59                     39.81  -8.22    39.46

SNOWFALL (IN)
  YESTERDAY        0.0           T    1967   0.0    0.0      0.0
                                      1980
                                      1984
  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       23                        20      3       12
  MONTH TO DATE  302                       316    -14      235
  SINCE SEP 1    530                       670   -140      457
  SINCE JUL 1    530                       673   -143      458

 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    23   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED     8.3


SKY COVER
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    67          1100 PM
 LOWEST     37           300 PM
 AVERAGE    52

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


THE ISLIP NY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   52        63      1985
                                             1999
 MINIMUM TEMPERATURE (F)   37        22      2014
                                             2020


SUNRISE AND SUNSET
NOVEMBER 19 2025......SUNRISE   644 AM EST   SUNSET   431 PM EST
NOVEMBER 20 2025......SUNRISE   645 AM EST   SUNSET   430 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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