674
CDUS41 KOKX 200630
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
230 AM EDT SUN JUL 20 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR JULY 19 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 83 325 PM 95 1977 83 0 83
MINIMUM 66 503 AM 57 2000 68 -2 66
AVERAGE 75 76 -1 75
PRECIPITATION (IN)
YESTERDAY 0.00 0.76 1971 0.11 -0.11 0.00
MONTH TO DATE 2.60 1.88 0.72 1.06
SINCE JUN 1 4.48 5.88 -1.40 3.50
SINCE JAN 1 20.21 24.68 -4.47 30.88
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 18 30 -12 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 10 10 0 10
MONTH TO DATE 253 185 68 243
SINCE JUN 1 493 337 156 461
SINCE JAN 1 505 366 139 503
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 6.2
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 1100 PM
LOWEST 51 900 AM
AVERAGE 68
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THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 97 1991
2019
MINIMUM TEMPERATURE (F) 68 52 1996
SUNRISE AND SUNSET
JULY 20 2025..........SUNRISE 538 AM EDT SUNSET 819 PM EDT
JULY 21 2025..........SUNRISE 539 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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