Climatological Report (Daily)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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CDUS41 KOKX 280622
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
222 AM EDT MON SEP 28 2026
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 27 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 67 1237 PM 86 1998 71 -4 82
2017
MINIMUM 59 257 AM 38 1965 55 4 63
AVERAGE 63 63 0 73
PRECIPITATION (IN)
YESTERDAY 1.92R 1.25 1975 0.12 1.80 0.03
MONTH TO DATE 8.29 3.20 5.09 1.57
SINCE SEP 1 8.29 3.20 5.09 1.57
SINCE JAN 1 39.92 33.50 6.42 25.35
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 SEP 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 2 4 -2 0
MONTH TO DATE 24 40 -16 7
SINCE SEP 1 24 40 -16 7
SINCE JUL 1 24 43 -19 7
COOLING
YESTERDAY 0 2 -2 8
MONTH TO DATE 111 104 7 131
SINCE SEP 1 111 104 7 131
SINCE JAN 1 984 868 116 1059
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 35 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 51 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 18.4
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 100 PM
LOWEST 84 1100 AM
AVERAGE 91
..........................................................
THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 84 2025
MINIMUM TEMPERATURE (F) 54 38 1989
SUNRISE AND SUNSET
SEPTEMBER 28 2026.....SUNRISE 646 AM EDT SUNSET 639 PM EDT
SEPTEMBER 29 2026.....SUNRISE 647 AM EDT SUNSET 638 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$