Climatological Report (Daily)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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785
CDUS41 KOKX 132052
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
452 PM EDT THU AUG 13 2026
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 13 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 85 254 PM 93 2016 82 3 86
MINIMUM 71 355 AM 54 2006 67 4 74
AVERAGE 78 74 4 80
PRECIPITATION (IN)
TODAY 0.08 13.51 2014 0.14 -0.06 0.11
MONTH TO DATE 2.65 1.84 0.81 0.15
SINCE JUN 1 11.08 9.10 1.98 7.67
SINCE JAN 1 26.34 27.90 -1.56 23.40
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 13 9 4 15
MONTH TO DATE 170 127 43 116
SINCE JUN 1 670 591 79 785
SINCE JAN 1 725 620 105 797
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 7.7
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 400 AM
LOWEST 53 300 PM
AVERAGE 72
..........................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 97 2016
MINIMUM TEMPERATURE (F) 66 50 1964
SUNRISE AND SUNSET
AUGUST 13 2026........SUNRISE 601 AM EDT SUNSET 753 PM EDT
AUGUST 14 2026........SUNRISE 602 AM EDT SUNSET 752 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$