Climatological Report (Daily)
Issued by NWS Upton, NY

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374
CDUS41 KOKX 202032
CLIISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
432 PM EDT MON MAY 20 2024

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

...THE ISLIP NY CLIMATE SUMMARY FOR MAY 20 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         69   1141 AM  98    1996  69      0       65
  MINIMUM         52    506 AM  35    1992  52      0       57
  AVERAGE         61                        61      0       61

PRECIPITATION (IN)
  TODAY            0.00          1.73 2023   0.10  -0.10     1.73
  MONTH TO DATE    2.86                      2.03   0.83     1.89
  SINCE MAR 1     15.85                     10.60   5.25     9.74
  SINCE JAN 1     25.57                     17.55   8.02    16.33

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 MAR 1      0.0                       7.1   -7.1      1.6
  SINCE JUL 1     10.9                      31.8  -20.9      5.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            4                         5     -1        4
  MONTH TO DATE  137                       151    -14      142
  SINCE MAR 1   1162                      1391   -229     1211
  SINCE JUL 1   4501                      5110   -609     4350

 COOLING
  TODAY            0                         1     -1        0
  MONTH TO DATE    1                         7     -6       12
  SINCE MAR 1      5                         9     -4       24
  SINCE JAN 1      5                         9     -4       24
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     5.8


SKY COVER
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           200 AM
 LOWEST     65          1100 AM
 AVERAGE    81

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


THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        90      1996
                                             2022
 MINIMUM TEMPERATURE (F)   52        39      2002
                                             2020


SUNRISE AND SUNSET
MAY 20 2024...........SUNRISE   530 AM EDT   SUNSET   808 PM EDT
MAY 21 2024...........SUNRISE   530 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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