443
CDUS41 KOKX 180622
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
221 AM EDT FRI SEP 18 2020
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 17 2020
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1963 TO 2020
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 76 1139 AM 87 1991 74 2 75
MINIMUM 60 233 AM 45 1986 57 3 53
AVERAGE 68 65 3 64
PRECIPITATION (IN)
YESTERDAY 0.19 2.85 1996 0.12 0.07 0.00
MONTH TO DATE 3.36 1.98 1.38 0.33
SINCE SEP 1 3.36 1.98 1.38 0.33
SINCE JAN 1 28.88 33.12 -4.24 32.71
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 OCT 1 6.8 24.8 -18.0 12.8
SINCE JUL 1 T 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 1
MONTH TO DATE 11 20 -9 5
SINCE SEP 1 11 20 -9 5
SINCE JUL 1 11 25 -14 7
COOLING
YESTERDAY 3 3 0 0
MONTH TO DATE 97 72 25 62
SINCE SEP 1 97 72 25 62
SINCE JAN 1 1027 758 269 936
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WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 5.0
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 100 500 AM
LOWEST 64 1000 AM
AVERAGE 82
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THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 85 1965
MINIMUM TEMPERATURE (F) 57 43 1990
1986
SUNRISE AND SUNSET
SEPTEMBER 18 2020.....SUNRISE 636 AM EDT SUNSET 655 PM EDT
SEPTEMBER 19 2020.....SUNRISE 637 AM EDT SUNSET 654 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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