440
CXUS51 KOKX 021143 RRA
CLMISP

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

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

...THE ISLIP NY CLIMATE SUMMARY FOR THE MONTH OF AUGUST 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            100   08/09/2001
                       08/02/1975
 LOW              45   08/30/1986
                       08/31/1965
HIGHEST           91   08/07         MM      MM       89  08/04
                                                          08/11
                                                          08/14
LOWEST            60   08/25         MM      MM       54  08/28
AVG. MAXIMUM    82.2               81.4     0.8     81.5
AVG. MINIMUM    67.9               66.0     1.9     63.8
MEAN            75.1               73.7     1.4     72.7
DAYS MAX >= 90     2                2.0     0.0        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       14.07   2014
 MINIMUM        0.18   1964
TOTALS          7.94               4.24    3.70     0.53
DAILY AVG.      0.26               0.14    0.12     0.02
DAYS >= .01       13                8.9     4.1        5
DAYS >= .10        7                5.7     1.3        2
DAYS >= .50        5                2.4     2.6        0
DAYS >= 1.00       2                1.0     1.0        0
GREATEST
 24 HR. TOTAL   3.68   08/20 TO 08/21               2.96  07/31 TO 08/01
 STORM TOTAL    3.27                                0.32
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL             T   2020
 24 HR TOTAL       T   08/27/2020 TO 08/27/2020
TOTALS           0.0                0.0     0.0      0.0
 LIQUID EQUIV   0.00               0.00    0.00     0.00
SINCE 7/1        0.0                0.0     0.0       MM
 LIQUID 7/1     0.00               0.00    0.00       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                           0.0
 STORM TOTAL     0.0                                 0.0
 (MM/DD(HH))            MM

DEGREE DAYS
HEATING TOTAL      0                  2      -2        0
 SINCE 7/1         0                  1      -1       MM
COOLING TOTAL    318                271      47      247
 SINCE 1/1       873                764     109       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.4
HIGHEST WIND SPEED/DIRECTION    25/260    DATE  08/07
                                25/010          08/20
HIGHEST GUST SPEED/DIRECTION    38/210    DATE  08/03

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            5
NUMBER OF DAYS PC             18
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     76

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       7
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                      1

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

$$