Climatological Report (Monthly)
Issued by NWS Upton, NY

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000
CXUS51 KOKX 011307 RRB
CLMISP

NYCCLMISP 000
TTAA00 OKX 011304

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
907 AM EDT WED NOV 01 2023

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

...THE ISLIP NY CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2023

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       79  10/07
                       10/28
LOWEST            40   10/24         MM      MM       36  10/30
AVG. MAXIMUM    67.5               64.1     3.4     64.9
AVG. MINIMUM    50.0               47.3     2.7     48.3
MEAN            58.8               55.7     3.1     56.6
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        0.18   2000
TOTALS          2.31               3.97   -1.66     5.35
DAILY AVG.      0.07               0.13   -0.06     0.17
DAYS >= .01        8                9.2    -1.2       12
DAYS >= .10        6                5.6     0.4        9
DAYS >= .50        1                2.6    -1.6        5
DAYS >= 1.00       0                1.2    -1.2        2
GREATEST
 24 HR. TOTAL   1.02   10/20 TO 10/21               1.54  10/04 TO 10/05
 STORM TOTAL    0.88                                1.18
 (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    204                301     -97      266
 SINCE 7/1       248                357    -109       MM
COOLING TOTAL     19                 13       6       13
 SINCE 1/1       955                885      70       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.0
HIGHEST WIND SPEED/DIRECTION    28/280    DATE  10/07
HIGHEST GUST SPEED/DIRECTION    36/300    DATE  10/22

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC             14
NUMBER OF DAYS CLOUDY          7

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       3
LIGHT RAIN               11     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      3
HAZE                      0

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

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