Climatological Report (Daily)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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CDUS41 KOKX 040620
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
220 AM EDT THU SEP 04 2025
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 3 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 76 115 PM 94 1973 79 -3 74
MINIMUM 56 527 AM 50 1967 63 -7 55
1975
1991
AVERAGE 66 71 -5 65
PRECIPITATION (IN)
YESTERDAY 0.00 2.23 1984 0.11 -0.11 0.00
MONTH TO DATE 0.00 0.35 -0.35 0.03
SINCE SEP 1 0.00 0.35 -0.35 0.03
SINCE JAN 1 23.78 30.65 -6.87 38.90
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 SEP 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 SEP 1 0 0 0 0
SINCE JUL 1 0 3 -3 1
COOLING
YESTERDAY 1 6 -5 0
MONTH TO DATE 6 18 -12 17
SINCE SEP 1 6 18 -12 17
SINCE JAN 1 934 782 152 938
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 4.6
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 200 AM
LOWEST 50 1100 AM
AVERAGE 72
..........................................................
THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 92 2018
MINIMUM TEMPERATURE (F) 63 49 1975
SUNRISE AND SUNSET
SEPTEMBER 4 2025.....SUNRISE 623 AM EDT SUNSET 719 PM EDT
SEPTEMBER 5 2025.....SUNRISE 623 AM EDT SUNSET 718 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$