Climatological Report (Daily)
Issued by NWS Upton, NY

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619
CDUS41 KOKX 172035
CLIISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
435 PM EDT TUE SEP 17 2024

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

...THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 17 2024...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2024


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         79    150 PM  87    1991  75      4       74
  MINIMUM         62   1202 AM  45    1986  59      3       50
  AVERAGE         71                        67      4       62

PRECIPITATION (IN)
  TODAY            0.00          2.85 1996   0.13  -0.13      T
  MONTH TO DATE    0.06                      1.98  -1.92     1.47
  SINCE SEP 1      0.06                      1.98  -1.92     1.47
  SINCE JAN 1     38.93                     32.28   6.65    32.00

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 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
  TODAY            0                         2     -2        3
  MONTH TO DATE    5                        12     -7        3
  SINCE SEP 1      5                        12     -7        3
  SINCE JUL 1      6                        15     -9        3

 COOLING
  TODAY            6                         3      3        0
  MONTH TO DATE   46                        81    -35      157
  SINCE SEP 1     46                        81    -35      157
  SINCE JAN 1    967                       845    122      935
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SE (150)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     S (160)
  AVERAGE WIND SPEED     4.7


SKY COVER
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           100 AM
 LOWEST     58           100 PM
 AVERAGE    78

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


THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        85      1965
 MINIMUM TEMPERATURE (F)   58        43      1986
                                             1990


SUNRISE AND SUNSET
SEPTEMBER 17 2024.....SUNRISE   635 AM EDT   SUNSET   657 PM EDT
SEPTEMBER 18 2024.....SUNRISE   636 AM EDT   SUNSET   655 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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