979
CDUS41 KOKX 180617
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
217 AM EDT FRI APR 18 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR APRIL 17 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 63 437 PM 94 2002 59 4 57
MINIMUM 40 1159 PM 30 1971 42 -2 43
2005
2020
AVERAGE 52 50 2 50
PRECIPITATION (IN)
YESTERDAY 0.00 1.00 1986 0.13 -0.13 0.04
MONTH TO DATE 1.40 2.33 -0.93 2.90
SINCE MAR 1 6.16 6.84 -0.68 12.44
SINCE JAN 1 10.48 13.79 -3.31 22.16
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.5 -0.5 0.0
SINCE MAR 1 0.0 7.0 -7.0 0.0
SINCE JUL 1 11.7 31.7 -20.0 10.9
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 13 15 -2 15
MONTH TO DATE 282 300 -18 246
SINCE MAR 1 896 1080 -184 837
SINCE JUL 1 4378 4799 -421 4176
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 1
SINCE MAR 1 0 0 0 1
SINCE JAN 1 0 0 0 1
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 10.2
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 1100 PM
LOWEST 18 500 PM
AVERAGE 52
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 89 2002
MINIMUM TEMPERATURE (F) 42 31 1980
SUNRISE AND SUNSET
APRIL 18 2025.........SUNRISE 609 AM EDT SUNSET 735 PM EDT
APRIL 19 2025.........SUNRISE 607 AM EDT SUNSET 736 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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