408
CXUS51 KOKX 022231
CLSISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
627 PM EDT TUE SEP 02 2025

...................................

...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2025 TO 8/31/2025...

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
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            104   07/03/1966
 LOW              42   06/01/2009
                       06/03/1976
                       06/12/1972
HIGHEST          101   06/24         MM      MM
LOWEST            49   06/02         MM      MM
AVG. MAXIMUM    82.5               80.5     2.0
AVG. MINIMUM    66.5               64.7     1.8
MEAN            74.5               72.6     1.9
DAYS MAX >= 90    12                7.8     4.2
DAYS MAX <= 32     0                0.0     0.0
DAYS MIN <= 32     0                0.0     0.0
DAYS MIN <= 0      0                0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       22.31   1990
 MINIMUM        3.67   1966
TOTALS          8.05              11.50   -3.45    11.49
DAILY AVG.      0.09               0.13   -0.04
DAYS >= .01       28               28.1    -0.1
DAYS >= .10       14               17.4    -3.4
DAYS >= .50        4                7.0    -3.0
DAYS >= 1.00       2                2.8    -0.8
GREATEST
 24 HR. TOTAL   2.93   07/31 TO 07/31
 STORM TOTAL    2.93
 (MM/DD(HH))

SNOWFALL (INCHES)
RECORDS
 TOTAL             T   2020
                       2012
                       1999
 24 HR TOTAL       T   2020
                       2012
                       1999
TOTALS           0.0                0.0     0.0
 LIQUID EQUIV   0.00               0.00    0.00
SINCE 7/1        0.0                0.0     0.0
 LIQUID 7/1     0.00
DAYS >= TRACE      0                0.0     0.0
DAYS >= 1.0        0                0.0     0.0
GREATEST
 SNOW DEPTH        0
 24 HR TOTAL     0.0
 STORM TOTAL     0.0
 (MM/DD(HH))

DEGREE DAYS
HEATING TOTAL     18                 33     -15
 SINCE 7/1         0                  1      -1
COOLING TOTAL    916                735     181
 SINCE 1/1       928                764     164
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              7.8
HIGHEST WIND SPEED/DIRECTION    36/340    DATE  07/03
HIGHEST GUST SPEED/DIRECTION    51/250    DATE  06/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.58
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC             45
NUMBER OF DAYS CLOUDY         27

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              8     MIXED PRECIP               0
HEAVY RAIN                8     RAIN                       9
LIGHT RAIN               37     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      37     FOG W/VIS <= 1/4 MILE      8
HAZE                     13

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$