300
CXUS51 KOKX 011643
CLMISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
1243 PM EDT TUE OCT 01 2024

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

...THE ISLIP NY CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2024...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             94   09/03/1973
 LOW              38   09/22/1997
                       09/28/1989
                       09/20/1979
HIGHEST           84   09/14         MM      MM       92  09/06
                       09/19
                                                          09/07
LOWEST            50   09/09         MM      MM       50  09/17
AVG. MAXIMUM    75.0               74.8     0.2     75.5
AVG. MINIMUM    58.6               58.9    -0.3     61.6
MEAN            66.8               66.9    -0.1     68.6
DAYS MAX >= 90     0                0.2    -0.2        4
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        7.50   1966
 MINIMUM        0.61   2019
TOTALS          0.24R              3.60   -3.36     6.78
DAILY AVG.      0.01               0.12   -0.11     0.23
DAYS >= .01        5                8.6    -3.6       10
DAYS >= .10        1                5.5    -4.5        9
DAYS >= .50        0                2.6    -2.6        4
DAYS >= 1.00       0                1.0    -1.0        3
GREATEST
 24 HR. TOTAL   0.13   09/28 TO 09/28               2.18  09/28 TO 09/29
 STORM TOTAL    0.13                                2.18
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL           0.0   0
 24 HR TOTAL     0.0   MM
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     18                 53     -35       44
 SINCE 7/1        19                 56     -37       MM
COOLING TOTAL     80                108     -28      158
 SINCE 1/1      1001                872     129       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.8
HIGHEST WIND SPEED/DIRECTION    28/300    DATE  09/07
HIGHEST GUST SPEED/DIRECTION    39/310    DATE  09/07

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.55
NUMBER OF DAYS FAIR           11
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          9

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                7     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       7     FOG W/VIS <= 1/4 MILE      0
HAZE                      1

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

$$