Climatological Report (Daily)
Issued by NWS Upton, NY

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012
CDUS41 KOKX 110616
CLIISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
216 AM EDT SAT OCT 11 2025

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

...THE ISLIP NY CLIMATE SUMMARY FOR OCTOBER 10 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         64   1240 PM  84    1997  66     -2       63
  MINIMUM         40    401 AM  32    2000  49     -9       47
  AVERAGE         52                        58     -6       55

PRECIPITATION (IN)
  YESTERDAY        0.00          1.40 1971   0.13  -0.13     0.00
  MONTH TO DATE    0.25                      1.29  -1.04     0.10
  SINCE SEP 1      1.83                      4.89  -3.06     0.34
  SINCE JAN 1     25.61                     35.19  -9.58    39.21

SNOWFALL (IN)
  YESTERDAY        0.0           T    1979   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
  YESTERDAY       13                         8      5       10
  MONTH TO DATE   44                        64    -20       35
  SINCE SEP 1     51                       117    -66       53
  SINCE JUL 1     51                       120    -69       54

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   20                        10     10        3
  SINCE SEP 1    176                       118     58       83
  SINCE JAN 1   1104                       882    222     1004
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    SE (140)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    SE (150)
  AVERAGE WIND SPEED     7.0


SKY COVER
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    70          1200 AM
 LOWEST     39          1200 PM
 AVERAGE    55

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


THE ISLIP NY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   66        78      1990
 MINIMUM TEMPERATURE (F)   49        31      1993


SUNRISE AND SUNSET
OCTOBER 11 2025.......SUNRISE   700 AM EDT   SUNSET   618 PM EDT
OCTOBER 12 2025.......SUNRISE   701 AM EDT   SUNSET   616 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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