Climatological Report (Daily)
Issued by NWS Upton, NY

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062
CDUS41 KOKX 212031
CLIISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
431 PM EDT TUE MAY 21 2024

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

...THE ISLIP NY CLIMATE SUMMARY FOR MAY 21 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         68    251 PM  90    1996  70     -2       71
                                      2022
  MINIMUM         53    336 AM  39    2002  52      1       56
                                      2020
  AVERAGE         61                        61      0       64

PRECIPITATION (IN)
  TODAY            0.00          0.90 1985   0.10  -0.10      T
  MONTH TO DATE    2.86                      2.13   0.73     1.89
  SINCE MAR 1     15.85                     10.70   5.15     9.74
  SINCE JAN 1     25.57                     17.65   7.92    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        1
  MONTH TO DATE  141                       156    -15      143
  SINCE MAR 1   1166                      1396   -230     1212
  SINCE JUL 1   4505                      5115   -610     4351

 COOLING
  TODAY            0                         1     -1        0
  MONTH TO DATE    1                         8     -7       12
  SINCE MAR 1      5                        10     -5       24
  SINCE JAN 1      5                        10     -5       24
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED     7.2


SKY COVER
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           200 AM
 LOWEST     73           200 PM
 AVERAGE    87

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


THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        92      1992
 MINIMUM TEMPERATURE (F)   53        37      2002


SUNRISE AND SUNSET
MAY 21 2024...........SUNRISE   530 AM EDT   SUNSET   809 PM EDT
MAY 22 2024...........SUNRISE   529 AM EDT   SUNSET   810 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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