605
CXUS51 KOKX 021150
CLSISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
745 AM EDT WED SEP 02 2026

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

...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2026 TO 8/31/2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2026

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           98   07/03         MM      MM
LOWEST            46   06/02         MM      MM
AVG. MAXIMUM    81.9               80.5     1.4
AVG. MINIMUM    65.2               64.7     0.5
MEAN            73.5               72.6     0.9
DAYS MAX >= 90     8                7.8     0.2
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         16.37              11.50    4.87     8.05
DAILY AVG.      0.18               0.13    0.05
DAYS >= .01       34               28.1     5.9
DAYS >= .10       16               17.4    -1.4
DAYS >= .50        9                7.0     2.0
DAYS >= 1.00       5                2.8     2.2
GREATEST
 24 HR. TOTAL   3.68
 STORM TOTAL    3.27
 (MM/DD(HH))

SNOWFALL (INCHES)
RECORDS
 TOTAL             T   2020
 24 HR TOTAL      MM
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      MM
 STORM TOTAL     0.0
 (MM/DD(HH))

DEGREE DAYS
HEATING TOTAL     10                 33     -23
 SINCE 7/1         0                  1      -1
COOLING TOTAL    818                735      83
 SINCE 1/1       873                764     109
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.1
HIGHEST WIND SPEED/DIRECTION    31/310    DATE  07/04
HIGHEST GUST SPEED/DIRECTION    46/300    DATE  07/04

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.54
NUMBER OF DAYS FAIR           26
NUMBER OF DAYS PC             49
NUMBER OF DAYS CLOUDY         17

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             13     MIXED PRECIP               0
HEAVY RAIN                9     RAIN                      16
LIGHT RAIN               41     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      33     FOG W/VIS <= 1/4 MILE      4
HAZE                     11

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

$$