499
CXUS51 KOKX 011926
CLSISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
325 PM EDT SUN JUN 01 2025

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

...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2025 TO 5/31/2025...

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             98   05/20/1996
 LOW               0   03/19/1967
                       03/18/1967
HIGHEST           82   03/29         MM      MM
LOWEST            17   03/03         MM      MM
AVG. MAXIMUM    61.5               58.1     3.4
AVG. MINIMUM    44.6               41.3     3.3
MEAN            53.1               49.7     3.4
DAYS MAX >= 90     0                0.3    -0.3
DAYS MAX <= 32     0                1.1    -1.1
DAYS MIN <= 32     9               20.2   -11.2
DAYS MIN <= 0      0                0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       22.91   1998
 MINIMUM        6.00   1995
TOTALS         11.41              11.85   -0.44    17.66
DAILY AVG.      0.12               0.13   -0.01
DAYS >= .01       38               33.7     4.3
DAYS >= .10       28               20.7     7.3
DAYS >= .50        6                7.6    -1.6
DAYS >= 1.00       4                2.8     1.2
GREATEST
 24 HR. TOTAL   1.55   03/16 TO 03/17
 STORM TOTAL    1.46
 (MM/DD(HH))

SNOWFALL (INCHES)
RECORDS
 TOTAL          36.5   2018
 24 HR TOTAL    16.0   MM
TOTALS           0.0                7.1    -7.1
 LIQUID EQUIV   0.00               0.70   -0.70
SINCE 7/1       11.7               31.8   -20.1
 LIQUID 7/1     1.17
DAYS >= TRACE      0                3.0    -3.0
DAYS >= 1.0        0                1.9    -1.9
GREATEST
 SNOW DEPTH        0
 24 HR TOTAL      MM
 STORM TOTAL     0.0
 (MM/DD(HH))

DEGREE DAYS
HEATING TOTAL   1086               1435    -349
 SINCE 7/1      4568               5154    -586
COOLING TOTAL     12                 29     -17
 SINCE 1/1        12                 29     -17
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.8
HIGHEST WIND SPEED/DIRECTION    39/300    DATE  03/22
HIGHEST GUST SPEED/DIRECTION    60/290    DATE  03/22

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.64
NUMBER OF DAYS FAIR           15
NUMBER OF DAYS PC             39
NUMBER OF DAYS CLOUDY         38

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                9     RAIN                      17
LIGHT RAIN               55     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      46     FOG W/VIS <= 1/4 MILE     17
HAZE                     10

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

$$