Climatological Report (Daily)
Issued by NWS Upton, NY

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211
CDUS41 KOKX 010617
CLIISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
217 AM EDT MON JUN 01 2026

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

...THE ISLIP NY CLIMATE SUMMARY FOR MAY 31 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         73   1150 AM  93    2022  73      0       70
  MINIMUM         43    249 AM  41    1990  56    -13       53
  AVERAGE         58                        64     -6       62

PRECIPITATION (IN)
  YESTERDAY        T             1.94 1984   0.12  -0.12     0.41
  MONTH TO DATE    2.68                      3.28  -0.60     4.67
  SINCE MAR 1      9.02                     11.85  -2.83    11.41
  SINCE JAN 1     15.26                     18.80  -3.54    15.73

SNOWFALL (IN)
  YESTERDAY       MM            MM      MM   0.0   MM        0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE MAR 1      0.2                       7.1   -6.9      0.0
  SINCE JUL 1     61.8                      31.8   30.0     11.7
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  YESTERDAY        7                         3      4        3
  MONTH TO DATE  189                       195     -6      113
  SINCE MAR 1   1339                      1435    -96     1086
  SINCE JUL 1   5195                      5154     41     4568

 COOLING
  YESTERDAY        0                         2     -2        0
  MONTH TO DATE   44                        27     17       12
  SINCE MAR 1     55                        29     26       12
  SINCE JAN 1     55                        29     26       12
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     7.9


SKY COVER
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           300 AM
 LOWEST     31          1200 PM
 AVERAGE    60

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


THE ISLIP NY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        90      1988
 MINIMUM TEMPERATURE (F)   56        42      1967
                                             2009


SUNRISE AND SUNSET
JUNE  1 2026..........SUNRISE   523 AM EDT   SUNSET   818 PM EDT
JUNE  2 2026..........SUNRISE   523 AM EDT   SUNSET   818 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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