Climatological Report (Daily)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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005
CDUS41 KOKX 182042
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
442 PM EDT FRI APR 18 2025
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR APRIL 18 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 62 201 PM 89 2002 59 3 47
MINIMUM 34 515 AM 31 1980 42 -8 43
AVERAGE 48 51 -3 45
PRECIPITATION (IN)
TODAY 0.00 0.92 1969 0.13 -0.13 0.26
MONTH TO DATE 1.40 2.46 -1.06 3.16
SINCE MAR 1 6.16 6.97 -0.81 12.70
SINCE JAN 1 10.48 13.92 -3.44 22.42
SNOWFALL (IN)
TODAY 0.0 T 1983 0.0 0.0 0.0
1997
2001
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
TODAY 17 14 3 20
MONTH TO DATE 299 314 -15 266
SINCE MAR 1 913 1094 -181 857
SINCE JUL 1 4395 4813 -418 4196
COOLING
TODAY 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 25 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 6.9
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 1200 AM
LOWEST 30 800 AM
AVERAGE 58
..........................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 82 1985
MINIMUM TEMPERATURE (F) 42 27 1965
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.
$$