Climatological Report (Daily)
Issued by NWS Upton, NY

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705
CDUS41 KOKX 240625
CLIISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
225 AM EDT SAT MAY 24 2025

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

...THE ISLIP NY CLIMATE SUMMARY FOR MAY 23 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         63    504 PM  90    1992  70     -7       78
  MINIMUM         46    344 AM  42    1968  53     -7       63
                                      2006
  AVERAGE         55                        62     -7       71

PRECIPITATION (IN)
  YESTERDAY        0.04          1.31 1979   0.12  -0.08     0.55
  MONTH TO DATE    3.89                      2.36   1.53     3.41
  SINCE MAR 1     10.63                     10.93  -0.30    16.40
  SINCE JAN 1     14.95                     17.88  -2.93    26.12

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 MAR 1      0.0                       7.1   -7.1      0.0
  SINCE JUL 1     11.7                      31.8  -20.1     10.9
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       10                         5      5        0
  MONTH TO DATE   85                       166    -81      141
  SINCE MAR 1   1058                      1406   -348     1166
  SINCE JUL 1   4540                      5125   -585     4505

 COOLING
  YESTERDAY        0                         1     -1        6
  MONTH TO DATE   12                        10      2       11
  SINCE MAR 1     12                        12      0       15
  SINCE JAN 1     12                        12      0       15
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     6.4


SKY COVER
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           400 AM
 LOWEST     54           500 PM
 AVERAGE    74

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


THE ISLIP NY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   71        89      1975
 MINIMUM TEMPERATURE (F)   53        41      1965


SUNRISE AND SUNSET
MAY 24 2025...........SUNRISE   528 AM EDT   SUNSET   811 PM EDT
MAY 25 2025...........SUNRISE   527 AM EDT   SUNSET   812 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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