006
CXUS51 KOKX 020142
CLSISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
931 PM EDT MON JUN 01 2026

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

...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2026 TO 5/31/2026...

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             98   05/20/1996
 LOW               0   03/19/1967
                       03/18/1967
HIGHEST           93   05/20         MM      MM
LOWEST            18   03/03         MM      MM
AVG. MAXIMUM    59.5               58.1     1.4
AVG. MINIMUM    42.2               41.3     0.9
MEAN            50.8               49.7     1.1
DAYS MAX >= 90     1                0.3     0.7
DAYS MAX <= 32     1                1.1    -0.1
DAYS MIN <= 32    17               20.2    -3.2
DAYS MIN <= 0      0                0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       22.91   1998
 MINIMUM        6.00   1995
TOTALS          9.02              11.85   -2.83    11.41
DAILY AVG.      0.10               0.13   -0.03
DAYS >= .01       38               33.7     4.3
DAYS >= .10       21               20.7     0.3
DAYS >= .50        5                7.6    -2.6
DAYS >= 1.00       3                2.8     0.2
GREATEST
 24 HR. TOTAL   1.31   04/25 TO 04/26
 STORM TOTAL    1.26
 (MM/DD(HH))

SNOWFALL (INCHES)
RECORDS
 TOTAL          36.5   2018
 24 HR TOTAL    16.0   MM
TOTALS           0.2                7.1    -6.9
 LIQUID EQUIV   0.00               0.70   -0.70
SINCE 7/1       61.8               31.8    30.0
 LIQUID 7/1     6.18
DAYS >= TRACE      3                3.0     0.0
DAYS >= 1.0        0                1.9    -1.9
GREATEST
 SNOW DEPTH        9   03/01
 24 HR TOTAL      MM
 STORM TOTAL     0.1
 (MM/DD(HH))

DEGREE DAYS
HEATING TOTAL   1339               1435     -96
 SINCE 7/1      5195               5154      41
COOLING TOTAL     55                 29      26
 SINCE 1/1        55                 29      26
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.5
HIGHEST WIND SPEED/DIRECTION    38/200    DATE  03/17
HIGHEST GUST SPEED/DIRECTION    55/200    DATE  03/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.61
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC             51
NUMBER OF DAYS CLOUDY         28

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               1
HEAVY RAIN                7     RAIN                      14
LIGHT RAIN               48     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                2     SLEET                      2
FOG                      43     FOG W/VIS <= 1/4 MILE     10
HAZE                      3

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

$$