Climatological Report (Daily)
Issued by NWS Upton, NY

Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
605
CDUS41 KOKX 272038
CLIISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
438 PM EDT MON JUL 27 2026

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

...THE ISLIP NY CLIMATE SUMMARY FOR JULY 27 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         83   1139 AM  95    2020  83      0       81
  MINIMUM         63    444 AM  55    1975  68     -5       72
  AVERAGE         73                        75     -2       77

PRECIPITATION (IN)
  TODAY            T             1.85 1984   0.12  -0.12     0.07
  MONTH TO DATE    5.30                      2.76   2.54     2.71
  SINCE JUN 1      6.12                      6.76  -0.64     4.59
  SINCE JAN 1     21.38                     25.56  -4.18    20.32

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 JUN 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
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1     10                        30    -20       18
  SINCE JUL 1      0                         0      0        0

 COOLING
  TODAY            8                        10     -2       12
  MONTH TO DATE  264                       267     -3      356
  SINCE JUN 1    464                       419     45      596
  SINCE JAN 1    519                       448     71      608
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED     3.5


SKY COVER
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  THUNDERSTORM
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           500 AM
 LOWEST     62           200 PM
 AVERAGE    78

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


THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83        96      1999
 MINIMUM TEMPERATURE (F)   68        56      1977
                                             2001


SUNRISE AND SUNSET
JULY 27 2026..........SUNRISE   544 AM EDT   SUNSET   813 PM EDT
JULY 28 2026..........SUNRISE   545 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.




$$