Climatological Report (Daily)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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CDUS41 KOKX 260635
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
235 AM EDT WED AUG 26 2026
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 25 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 79 346 PM 92 1969 80 -1 84
1998
2021
MINIMUM 60 327 AM 47 1971 65 -5 66
AVERAGE 70 73 -3 75
PRECIPITATION (IN)
YESTERDAY 0.00 2.13 1985 0.14 -0.14 0.00
MONTH TO DATE 7.70 3.51 4.19 0.53
SINCE JUN 1 16.13 10.77 5.36 8.05
SINCE JAN 1 31.39 29.57 1.82 23.78
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 10 31 -21 18
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 5 8 -3 10
MONTH TO DATE 270 229 41 221
SINCE JUN 1 770 693 77 890
SINCE JAN 1 825 722 103 902
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 7.8
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 500 AM
LOWEST 48 300 PM
AVERAGE 66
..........................................................
THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 93 2016
MINIMUM TEMPERATURE (F) 65 50 1977
SUNRISE AND SUNSET
AUGUST 26 2026........SUNRISE 613 AM EDT SUNSET 734 PM EDT
AUGUST 27 2026........SUNRISE 614 AM EDT SUNSET 733 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$