478
CXUS51 KOKX 012227
CLMISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
626 PM EDT FRI AUG 01 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR THE MONTH OF JULY 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 104 07/03/1966
LOW 49 07/02/1965
HIGHEST 96 07/29 MM MM 93 07/16
07/30
LOWEST 63 07/23 MM MM 61 07/01
07/03
AVG. MAXIMUM 85.7 82.8 2.9 83.8
AVG. MINIMUM 71.4 67.3 4.1 70.0
MEAN 78.5 75.0 3.5 76.9
DAYS MAX >= 90 7 4.1 2.9 3
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 8.36 1984
MINIMUM 0.59 1966
TOTALS 5.64 3.26 2.38 2.55
DAILY AVG. 0.18 0.11 0.07 0.08
DAYS >= .01 12 9.1 2.9 11
DAYS >= .10 6 5.5 0.5 6
DAYS >= .50 3 2.2 0.8 3
DAYS >= 1.00 2 0.8 1.2 0
GREATEST
24 HR. TOTAL 2.93 07/31 TO 07/31 0.95 07/28 TO 07/29
STORM TOTAL 2.93 0.93
(MM/DD(HH)) MM
SNOWFALL (INCHES)
RECORDS
TOTAL T 1999
24 HR TOTAL T 1999
TOTALS 0.0 0.0 0.0 0.0
LIQUID EQUIV 0.00 0.00 0.00 0.00
SINCE 7/1 0.0 0.0 0.0 MM
LIQUID 7/1 0.00 0.00 0.00 MM
DAYS >= TRACE 0 0.0 0.0 0
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
SNOW DEPTH 0 0 MM
24 HR TOTAL MM MM
STORM TOTAL 0.0 0.0
(MM/DD(HH)) MM
DEGREE DAYS
HEATING TOTAL 0 1 -1 0
SINCE 7/1 0 0 0 MM
COOLING TOTAL 429 312 117 378
SINCE 1/1 681 493 188 MM
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WIND (MPH)
AVERAGE WIND SPEED 7.9
HIGHEST WIND SPEED/DIRECTION 36/340 DATE 07/03
HIGHEST GUST SPEED/DIRECTION 46/330 DATE 07/03
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.58
NUMBER OF DAYS FAIR 5
NUMBER OF DAYS PC 15
NUMBER OF DAYS CLOUDY 11
AVERAGE RH (PERCENT) 73
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 5 MIXED PRECIP 0
HEAVY RAIN 6 RAIN 5
LIGHT RAIN 15 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 14 FOG W/VIS <= 1/4 MILE 1
HAZE 6
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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