Climatological Report (Daily)
Issued by NWS Upton, NY

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195
CDUS41 KOKX 140622
CLIISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
222 AM EDT MON SEP 14 2026

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

...THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 13 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         79    332 PM  89    2005  76      3       76
  MINIMUM         68    238 AM  48    1973  60      8       58
  AVERAGE         74                        68      6       67

PRECIPITATION (IN)
  YESTERDAY        3.06R         1.82 1971   0.11   2.95     0.14
  MONTH TO DATE    4.21                      1.47   2.74     1.24
  SINCE SEP 1      4.21                      1.47   2.74     1.24
  SINCE JAN 1     35.84                     31.77   4.07    25.02

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 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        0                         1     -1        0
  MONTH TO DATE    0                         6     -6        2
  SINCE SEP 1      0                         6     -6        2
  SINCE JUL 1      0                         9     -9        2

 COOLING
  YESTERDAY        9                         4      5        2
  MONTH TO DATE   91                        67     24       44
  SINCE SEP 1     91                        67     24       44
  SINCE JAN 1    964                       831    133      972
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    39   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     5.9


SKY COVER
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1100 AM
 LOWEST     74           400 PM
 AVERAGE    87

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


THE ISLIP NY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   76        86      1976
 MINIMUM TEMPERATURE (F)   60        41      1975


SUNRISE AND SUNSET
SEPTEMBER 14 2026.....SUNRISE   632 AM EDT   SUNSET   703 PM EDT
SEPTEMBER 15 2026.....SUNRISE   633 AM EDT   SUNSET   701 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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