Climatological Report (Daily)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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CDUS41 KOKX 122034
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
434 PM EDT WED AUG 12 2026
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 12 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 85 232 PM 90 2016 82 3 87
2021
MINIMUM 72 632 AM 50 1968 67 5 68
AVERAGE 79 74 5 78
PRECIPITATION (IN)
TODAY 0.00 2.26 1978 0.13 -0.13 0.00
MONTH TO DATE 2.57 1.70 0.87 0.04
SINCE JUN 1 11.00 8.96 2.04 7.56
SINCE JAN 1 26.26 27.76 -1.50 23.29
SNOWFALL (IN)
TODAY 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
TODAY 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
TODAY 14 9 5 13
MONTH TO DATE 157 118 39 101
SINCE JUN 1 657 582 75 770
SINCE JAN 1 712 611 101 782
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 8.6
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 1200 AM
LOWEST 40 300 PM
AVERAGE 61
..........................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 93 2016
MINIMUM TEMPERATURE (F) 67 54 2006
SUNRISE AND SUNSET
AUGUST 12 2026........SUNRISE 600 AM EDT SUNSET 755 PM EDT
AUGUST 13 2026........SUNRISE 601 AM EDT SUNSET 753 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$