780
CXUS51 KOKX 020224
CLMISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
924 PM EST MON DEC 01 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
RECORD
HIGH 80 11/07/2022
LOW 11 11/24/1989
HIGHEST 68 11/08 MM MM 80 11/01
LOWEST 29 11/23 MM MM 27 11/30
11/29
AVG. MAXIMUM 55.0 53.6 1.4 58.6
AVG. MINIMUM 37.2 37.6 -0.4 40.0
MEAN 46.1 45.6 0.5 49.3
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.2 -0.2 0
DAYS MIN <= 32 8 9.3 -1.3 4
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 8.42 2018
MINIMUM 0.39 1976
TOTALS 2.72 3.41 -0.69 3.34
DAILY AVG. 0.09 0.11 -0.02 0.11
DAYS >= .01 11 9.6 1.4 7
DAYS >= .10 6 6.0 0.0 4
DAYS >= .50 3 2.6 0.4 1
DAYS >= 1.00 0 0.8 -0.8 1
GREATEST
24 HR. TOTAL 0.75 11/09 TO 11/10 2.26 11/21 TO 11/21
STORM TOTAL 0.72 2.26
(MM/DD(HH)) MM
SNOWFALL (INCHES)
RECORDS
TOTAL 7.6 1989
24 HR TOTAL 7.6 1989
TOTALS T 0.5 -0.5 0.0
LIQUID EQUIV T 0.00 0.00 0.00
SINCE 7/1 T 0.5 -0.5 MM
LIQUID 7/1 M 0.00 M MM
DAYS >= TRACE 1 0.3 0.7 0
DAYS >= 1.0 0 0.2 -0.2 0
GREATEST
SNOW DEPTH 0 0
24 HR TOTAL MM MM 0.0
STORM TOTAL 0.0 0.0
(MM/DD(HH)) MM
DEGREE DAYS
HEATING TOTAL 561 582 -21 467
SINCE 7/1 789 939 -150 MM
COOLING TOTAL 0 0 0 4
SINCE 1/1 1104 885 219 MM
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WIND (MPH)
AVERAGE WIND SPEED 9.7
HIGHEST WIND SPEED/DIRECTION 38/280 DATE 11/11
HIGHEST GUST SPEED/DIRECTION 58/280 DATE 11/11
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.57
NUMBER OF DAYS FAIR 5
NUMBER OF DAYS PC 18
NUMBER OF DAYS CLOUDY 7
AVERAGE RH (PERCENT) 62
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 6
LIGHT RAIN 14 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 1 SLEET 0
FOG 9 FOG W/VIS <= 1/4 MILE 3
HAZE 4
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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