490
CXUS51 KOKX 012233
CLMISP

NYCCLMISP 000
TTAA00 OKX 012231

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

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

...THE ISLIP NY CLIMATE SUMMARY FOR THE MONTH OF MAY 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 DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             98   05/20/1996
 LOW              32   05/01/2008
HIGHEST           93   05/20         MM      MM       78  05/11
LOWEST            40   05/01         MM      MM       46  05/23
AVG. MAXIMUM    68.8               68.3     0.5     69.1
AVG. MINIMUM    51.5               50.8     0.7     53.7
MEAN            60.1               59.5     0.6     61.4
DAYS MAX >= 90     1                0.3     0.7        0
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       10.14   1989
 MINIMUM        0.42   2015
TOTALS          2.68               3.28   -0.60     4.67
DAILY AVG.      0.09               0.11   -0.02     0.15
DAYS >= .01       13               11.6     1.4       15
DAYS >= .10        6                6.6    -0.6       12
DAYS >= .50        1                2.2    -1.2        2
DAYS >= 1.00       1                0.7     0.3        1
GREATEST
 24 HR. TOTAL   1.14   05/23 TO 05/24               1.52  05/21 TO 05/22
 STORM TOTAL    1.01                                1.46
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL             T   2020
 24 HR TOTAL      MM
TOTALS           0.0                0.0     0.0      0.0
 LIQUID EQUIV   0.00               0.00    0.00     0.00
SINCE 7/1       61.8               31.8    30.0       MM
 LIQUID 7/1     6.18               3.10    3.08       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    189                196      -7      113
 SINCE 7/1      5195               5154      41       MM
COOLING TOTAL     44                 27      17       12
 SINCE 1/1        55                 29      26       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.6
HIGHEST WIND SPEED/DIRECTION    32/010    DATE  05/30
HIGHEST GUST SPEED/DIRECTION    47/360    DATE  05/30

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.58
NUMBER OF DAYS FAIR            5
NUMBER OF DAYS PC             18
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       4
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      12     FOG W/VIS <= 1/4 MILE      1
HAZE                      0

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

$$