Climatological Report (Daily)
Issued by NWS Upton, NY

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294
CDUS41 KOKX 160634
CLIISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
134 AM EST SUN NOV 16 2025

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

...THE ISLIP NY CLIMATE SUMMARY FOR NOVEMBER 15 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         56   1139 PM  77    1993  54      2       57
  MINIMUM         31    647 AM  19    1967  38     -7       36
                                      1986
  AVERAGE         44                        46     -2       47

PRECIPITATION (IN)
  YESTERDAY        0.20          1.32 1989   0.11   0.09     0.00
  MONTH TO DATE    1.11                      1.62  -0.51     0.23
  SINCE SEP 1      7.75                      9.19  -1.44     0.59
  SINCE JAN 1     31.53                     39.49  -7.96    39.46

SNOWFALL (IN)
  YESTERDAY        0.0           4.3  2018   0.0    0.0      0.0
  MONTH TO DATE    T                         0.1   -0.1      0.0
  SINCE SEP 1      T                         0.1   -0.1      0.0
  SINCE JUL 1      T                         0.1   -0.1      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       21                        19      2       18
  MONTH TO DATE  242                       256    -14      201
  SINCE SEP 1    470                       610   -140      423
  SINCE JUL 1    470                       613   -143      424

 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    16   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     8.0


SKY COVER
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86          1100 PM
 LOWEST     39           100 PM
 AVERAGE    63

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


THE ISLIP NY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   53        70      2001
 MINIMUM TEMPERATURE (F)   37        17      1967


SUNRISE AND SUNSET
NOVEMBER 16 2025......SUNRISE   641 AM EST   SUNSET   433 PM EST
NOVEMBER 17 2025......SUNRISE   642 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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