Climatological Report (Daily)
Issued by NWS Upton, NY

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097
CDUS41 KOKX 200628
CLIISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
228 AM EDT FRI SEP 20 2024

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

...THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 19 2024...

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)
 YESTERDAY
  MAXIMUM         84    343 PM  85    1983  74     10       74
  MINIMUM         67    633 AM  44    1990  58      9       56
  AVERAGE         76                        66     10       65

PRECIPITATION (IN)
  YESTERDAY        0.00          1.61 1972   0.13  -0.13     0.00
  MONTH TO DATE    0.06                      2.24  -2.18     2.81
  SINCE SEP 1      0.06                      2.24  -2.18     2.81
  SINCE JAN 1     38.93                     32.54   6.39    33.34

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                         2     -2        0
  MONTH TO DATE    5                        16    -11        3
  SINCE SEP 1      5                        16    -11        3
  SINCE JUL 1      6                        19    -13        3

 COOLING
  YESTERDAY       11                         3      8        0
  MONTH TO DATE   61                        87    -26      158
  SINCE SEP 1     61                        87    -26      158
  SINCE JAN 1    982                       851    131      936
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     N (10)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     N (20)
  AVERAGE WIND SPEED    11.0


SKY COVER
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           300 AM
 LOWEST     33           200 PM
 AVERAGE    60

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


THE ISLIP NY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        87      1983
 MINIMUM TEMPERATURE (F)   58        38      1979


SUNRISE AND SUNSET
SEPTEMBER 20 2024.....SUNRISE   638 AM EDT   SUNSET   652 PM EDT
SEPTEMBER 21 2024.....SUNRISE   639 AM EDT   SUNSET   650 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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