Climatological Report (Daily)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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CDUS41 KOKX 220620
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
220 AM EDT TUE SEP 22 2026
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 21 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 70 326 PM 84 1980 73 -3 71
MINIMUM 59 704 AM 43 1973 57 2 52
1991
AVERAGE 65 65 0 62
PRECIPITATION (IN)
YESTERDAY 0.27 2.16 1966 0.13 0.14 0.00
MONTH TO DATE 4.72 2.49 2.23 1.24
SINCE SEP 1 4.72 2.49 2.23 1.24
SINCE JAN 1 36.35 32.79 3.56 25.02
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 0 2 -2 3
MONTH TO DATE 3 20 -17 5
SINCE SEP 1 3 20 -17 5
SINCE JUL 1 3 23 -20 5
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 111 92 19 86
SINCE SEP 1 111 92 19 86
SINCE JAN 1 984 856 128 1014
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 11.0
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1200 AM
LOWEST 54 300 PM
AVERAGE 76
..........................................................
THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 91 1980
MINIMUM TEMPERATURE (F) 57 38 1997
SUNRISE AND SUNSET
SEPTEMBER 22 2026.....SUNRISE 640 AM EDT SUNSET 649 PM EDT
SEPTEMBER 23 2026.....SUNRISE 641 AM EDT SUNSET 648 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$