Climatological Report (Daily)
Issued by NWS Upton, NY

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475
CDUS41 KOKX 302047
CLIISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
447 PM EDT WED JUL 30 2025

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

...THE ISLIP NY CLIMATE SUMMARY FOR JULY 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         96R   145 PM  95    1988  83     13       82
  MINIMUM         76    330 AM  52    1968  68      8       73
  AVERAGE         86                        75     11       78

PRECIPITATION (IN)
  TODAY            0.00          0.71 1971   0.13  -0.13     0.00
  MONTH TO DATE    2.71                      3.12  -0.41     2.55
  SINCE JUN 1      4.59                      7.12  -2.53     4.99
  SINCE JAN 1     20.32                     25.92  -5.60    32.37

SNOWFALL (IN)
  TODAY            0.0          MM      MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE JUN 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
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1     18                        30    -12        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  TODAY           21                        10     11       13
  MONTH TO DATE  416                       297    119      363
  SINCE JUN 1    656                       449    207      581
  SINCE JAN 1    668                       478    190      623
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    SE (150)
  AVERAGE WIND SPEED     7.2


SKY COVER
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82           500 AM
 LOWEST     34          1200 PM
 AVERAGE    58

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


THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83        93      2002
 MINIMUM TEMPERATURE (F)   68        55      2001
                                             2021


SUNRISE AND SUNSET
JULY 30 2025..........SUNRISE   547 AM EDT   SUNSET   810 PM EDT
JULY 31 2025..........SUNRISE   548 AM EDT   SUNSET   809 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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