Climatological Report (Daily)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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CDUS41 KOKX 170619
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
219 AM EDT THU APR 17 2025
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR APRIL 16 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 54 144 PM 88 2002 59 -5 70
MINIMUM 44 1159 PM 26 1981 41 3 44
AVERAGE 49 50 -1 57
PRECIPITATION (IN)
YESTERDAY T 3.19 1983 0.13 -0.13 0.00
MONTH TO DATE 1.40 2.20 -0.80 2.86
SINCE MAR 1 6.16 6.71 -0.55 12.40
SINCE JAN 1 10.48 13.66 -3.18 22.12
SNOWFALL (IN)
YESTERDAY 0.0 0.2 2014 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 16 15 1 8
MONTH TO DATE 269 285 -16 231
SINCE MAR 1 883 1065 -182 822
SINCE JUL 1 4365 4784 -419 4161
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 30 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 18.8
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 60 800 AM
LOWEST 36 1200 PM
AVERAGE 48
..........................................................
THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 94 2002
MINIMUM TEMPERATURE (F) 42 30 1971
2005
2020
SUNRISE AND SUNSET
APRIL 17 2025.........SUNRISE 610 AM EDT SUNSET 734 PM EDT
APRIL 18 2025.........SUNRISE 609 AM EDT SUNSET 735 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$