615
CXUS51 KOKX 021231
CLSISP
NYCCLSISP 000
TTAA00 OKX 021229
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
720 AM EST SAT MAR 02 2024
...............................
...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2023 TO 2/29/2024...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2024
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..........................................................
TEMPERATURE (F)
RECORD
HIGH 77 12/07/1998
LOW -14 02/13/1967
HIGHEST 61 12/18 MM MM
LOWEST 17 01/20 MM MM
01/21
01/22
AVG. MAXIMUM 44.5 41.5 3.0
AVG. MINIMUM 31.1 26.7 4.4
MEAN 37.8 34.1 3.7
DAYS MAX >= 90 0 0.0 0.0
DAYS MAX <= 32 6 15.1 -9.1
DAYS MIN <= 32 51 68.0 -17.0
DAYS MIN <= 0 0 0.1 -0.1
PRECIPITATION (INCHES)
RECORD
MAXIMUM 22.25 1979
MINIMUM 5.38 2002
TOTALS 18.28 11.66 6.62 11.01
DAILY AVG. 0.20 NAN NAN
DAYS >= .01 32 32.8 -0.8
DAYS >= .10 24 20.5 3.5
DAYS >= .50 11 8.2 2.8
DAYS >= 1.00 6 2.9 3.1
GREATEST
24 HR. TOTAL 3.07 12/27 TO 12/28
STORM TOTAL 3.04
(MM/DD(HH))
SNOWFALL (INCHES)
RECORDS
TOTAL 57.8 2014
24 HR TOTAL 2.7 MM
TOTALS 10.9 24.2 -13.3
LIQUID EQUIV 1.10 2.40 -1.30
SINCE 7/1 10.9 24.7 -13.8
LIQUID 7/1 1.09
DAYS >= TRACE 18 10.1 7.9
DAYS >= 1.0 3 5.8 -2.8
GREATEST
SNOW DEPTH 3 02/15
02/17
02/18
24 HR TOTAL MM
STORM TOTAL 4.3
(MM/DD(HH))
DEGREE DAYS
HEATING TOTAL 2450 2780 -330
SINCE 7/1 3339 3777 -438
COOLING TOTAL 0 0 0
SINCE 1/1 0 0 0
..........................................................
WIND (MPH)
AVERAGE WIND SPEED 9.3
HIGHEST WIND SPEED/DIRECTION 39/150 DATE 01/09
HIGHEST GUST SPEED/DIRECTION 57/170 DATE 01/10
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.61
NUMBER OF DAYS FAIR 25
NUMBER OF DAYS PC 29
NUMBER OF DAYS CLOUDY 37
AVERAGE RH (PERCENT) 71
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 7 RAIN 17
LIGHT RAIN 36 FREEZING RAIN 0
LT FREEZING RAIN 1 HAIL 1
HEAVY SNOW 1 SNOW 2
LIGHT SNOW 16 SLEET 4
FOG 43 FOG W/VIS <= 1/4 MILE 13
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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