Climatological Report (Daily)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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CDUS41 KOKX 220630
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
230 AM EDT FRI AUG 22 2025
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 21 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 74 306 PM 94 1995 81 -7 74
MINIMUM 62 603 AM 47 1977 66 -4 54
AVERAGE 68 73 -5 64
PRECIPITATION (IN)
YESTERDAY 0.06 1.31 1997 0.14 -0.08 0.00
MONTH TO DATE 0.53 2.96 -2.43 6.44
SINCE JUN 1 8.05 10.22 -2.17 11.43
SINCE JAN 1 23.78 29.02 -5.24 38.81
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 1
MONTH TO DATE 0 0 0 1
SINCE JUN 1 18 31 -13 1
SINCE JUL 1 0 1 -1 1
COOLING
YESTERDAY 3 8 -5 0
MONTH TO DATE 187 197 -10 205
SINCE JUN 1 856 661 195 801
SINCE JAN 1 868 690 178 843
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 17.6
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1200 AM
LOWEST 50 1100 PM
AVERAGE 72
..........................................................
THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 91 2019
MINIMUM TEMPERATURE (F) 65 49 1982
SUNRISE AND SUNSET
AUGUST 22 2025........SUNRISE 610 AM EDT SUNSET 740 PM EDT
AUGUST 23 2025........SUNRISE 611 AM EDT SUNSET 738 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$