Climatological Report (Daily)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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CDUS41 KOKX 280643
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
243 AM EDT TUE JUL 28 2026
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR JULY 27 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 83 1139 AM 95 2020 83 0 81
MINIMUM 63 444 AM 55 1975 68 -5 72
AVERAGE 73 75 -2 77
PRECIPITATION (IN)
YESTERDAY 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)
YESTERDAY 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
YESTERDAY 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
YESTERDAY 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 14 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 5.8
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 500 AM
LOWEST 62 200 PM
AVERAGE 78
..........................................................
THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 96 1999
MINIMUM TEMPERATURE (F) 68 56 1977
2001
SUNRISE AND SUNSET
JULY 28 2026..........SUNRISE 545 AM EDT SUNSET 812 PM EDT
JULY 29 2026..........SUNRISE 546 AM EDT SUNSET 811 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$