161
CXUS51 KOKX 011717
CLMISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
117 PM EDT SAT NOV 01 2025

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

...THE ISLIP NY CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 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 DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             89   10/02/2019
 LOW              23   10/31/1966
HIGHEST           83   10/04         MM      MM       82  10/22
                       10/05
LOWEST            38   10/27         MM      MM       39  10/16
                                                          10/17
                                                          10/28
AVG. MAXIMUM    66.5               64.1     2.4     69.1
AVG. MINIMUM    50.2               47.3     2.9     47.6
MEAN            58.4               55.7     2.7     58.4
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.8    -0.8        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       14.07   2005
 MINIMUM        0.12   2024
TOTALS          5.06               3.97    1.09     0.12
DAILY AVG.      0.16               0.13    0.03     0.00
DAYS >= .01        7                9.2    -2.2        3
DAYS >= .10        6                5.6     0.4        1
DAYS >= .50        3                2.6     0.4        0
DAYS >= 1.00       2                1.2     0.8        0
GREATEST
 24 HR. TOTAL   2.64   10/30 TO 10/31               0.10  10/07 TO 10/07
 STORM TOTAL    2.60                                0.10
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL           0.3   2011
 24 HR TOTAL     0.3   10/29/2020 TO 10/29/2011
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
 STORM TOTAL     0.0                                 0.0
 (MM/DD(HH))            MM

DEGREE DAYS
HEATING TOTAL    221                301     -80      204
 SINCE 7/1       228                357    -129       MM
COOLING TOTAL     20                 13       7        7
 SINCE 1/1      1104                885     219       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.5
HIGHEST WIND SPEED/DIRECTION    33/040    DATE  10/13
HIGHEST GUST SPEED/DIRECTION    48/040    DATE  10/13

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.49
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       6
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      1
HAZE                      3

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

$$