Climatological Report (Daily)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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CDUS41 KOKX 130627
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
227 AM EDT WED AUG 13 2025
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 12 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 87 1045 AM 90 2016 82 5 80
2021
MINIMUM 68 507 AM 50 1968 67 1 61
AVERAGE 78 74 4 71
PRECIPITATION (IN)
YESTERDAY 0.00 2.26 1978 0.13 -0.13 0.13
MONTH TO DATE 0.04 1.70 -1.66 4.43
SINCE JUN 1 7.56 8.96 -1.40 9.42
SINCE JAN 1 23.29 27.76 -4.47 36.80
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 MM
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 18 31 -13 0
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 13 9 4 6
MONTH TO DATE 101 118 -17 139
SINCE JUN 1 770 582 188 735
SINCE JAN 1 782 611 171 777
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 7.6
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 500 AM
LOWEST 50 1000 AM
AVERAGE 72
..........................................................
THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 93 2016
MINIMUM TEMPERATURE (F) 67 54 2006
SUNRISE AND SUNSET
AUGUST 13 2025........SUNRISE 601 AM EDT SUNSET 753 PM EDT
AUGUST 14 2025........SUNRISE 602 AM EDT SUNSET 751 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$