Climatological Report (Daily)
Issued by NWS Upton, NY

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439
CDUS41 KOKX 090648
CLIISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
248 AM EDT SUN AUG 09 2026

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

...THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 8 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         88    232 PM  96    2001  82      6       80
  MINIMUM         72    503 AM  51    2004  67      5       59
  AVERAGE         80                        75      5       70

PRECIPITATION (IN)
  YESTERDAY        0.00          3.11 1976   0.15  -0.15     0.00
  MONTH TO DATE    2.55                      1.14   1.41     0.04
  SINCE JUN 1     10.98                      8.40   2.58     7.56
  SINCE JAN 1     26.24                     27.20  -0.96    23.29

SNOWFALL (IN)
  YESTERDAY        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
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1     10                        31    -21       18
  SINCE JUL 1      0                         1     -1        0

 COOLING
  YESTERDAY       15                        10      5        5
  MONTH TO DATE  100                        80     20       60
  SINCE JUN 1    600                       544     56      729
  SINCE JAN 1    655                       573     82      741
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED     8.7


SKY COVER
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           200 AM
 LOWEST     67           800 PM
 AVERAGE    82

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


THE ISLIP NY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82       100      2001
 MINIMUM TEMPERATURE (F)   67        54      1964


SUNRISE AND SUNSET
AUGUST  9 2026........SUNRISE   557 AM EDT   SUNSET   758 PM EDT
AUGUST 10 2026........SUNRISE   558 AM EDT   SUNSET   757 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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