468
CXUS51 KOKX 012158
CLMISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
557 PM EDT FRI MAY 01 2026

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

...THE ISLIP NY CLIMATE SUMMARY FOR THE MONTH OF APRIL 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             94   04/17/2002
 LOW              16   04/01/1969
HIGHEST           82   04/16         MM      MM       76  04/19
                                                          04/28
LOWEST            27   04/09         MM      MM       31  04/09
AVG. MAXIMUM    60.0               58.3     1.7     61.3
AVG. MINIMUM    41.5               41.2     0.3     44.3
MEAN            50.8               49.7     1.1     52.8
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     4                3.3     0.7        1
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        9.09   1983
 MINIMUM        0.98   1978
TOTALS          2.15               4.06   -1.91     1.98
DAILY AVG.      0.07               0.14   -0.07     0.07
DAYS >= .01       10               11.3    -1.3       12
DAYS >= .10        6                6.8    -0.8       10
DAYS >= .50        1                2.5    -1.5        1
DAYS >= 1.00       1                1.0     0.0        0
GREATEST
 24 HR. TOTAL   1.31   04/25 TO 04/26               0.61  03/31 TO 04/01
 STORM TOTAL    1.08                                0.55
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL          16.0   1982
 24 HR TOTAL    16.0   MM
TOTALS           0.0                0.6    -0.6      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                0.3    -0.3        0
DAYS >= 1.0        0                0.2    -0.2        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    433                460     -27      359
 SINCE 7/1      5006               4959      47       MM
COOLING TOTAL     11                  2       9        0
 SINCE 1/1        11                  2       9       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.7
HIGHEST WIND SPEED/DIRECTION    31/110    DATE  04/04
HIGHEST GUST SPEED/DIRECTION    41/100    DATE  04/04

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.59
NUMBER OF DAYS FAIR            4
NUMBER OF DAYS PC             19
NUMBER OF DAYS CLOUDY          7

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       5
LIGHT RAIN               17     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      2
HAZE                      1

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

$$