059
CXUS51 KOKX 031437
CLAISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
934 AM EST FRI JAN 03 2025

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

...THE ISLIP NY CLIMATE SUMMARY FOR THE YEAR OF 2024...

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            104   07/03/1966
 LOW             -14   02/13/1967
HIGHEST           93   07/16         MM      MM       92  09/06
                       08/01
                                                          09/07
LOWEST            10   12/23         MM      MM        3  02/04
AVG. MAXIMUM    63.2               61.1     2.1     63.5
AVG. MINIMUM    47.2               45.2     2.0     47.2
MEAN            55.2               53.1     2.1     55.4
DAYS MAX >= 90     6                8.3    -2.3        5
DAYS MAX <= 32     8               16.4    -8.4        2
DAYS MIN <= 32    69               98.3   -29.3       72
DAYS MIN <= 0      0                0.1    -0.1        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       65.32   1989
 MINIMUM          MM   MM
TOTALS         48.80              45.99    2.81    50.19
DAILY AVG.      0.13               0.13    0.00     0.14
DAYS >= .01      126              122.0     4.0      128
DAYS >= .10       76               75.7     0.3       80
DAYS >= .50       30               30.6    -0.6       28
DAYS >= 1.00      18               11.5     6.5       17
GREATEST
 24 HR. TOTAL   2.81   0MM06 TO 08/07               4.65
 STORM TOTAL    2.80                                4.65
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL          71.0   1978
 24 HR TOTAL     3.0   MM
 SNOW DEPTH       26   02/09/1978
                       02/08/1978
TOTALS          13.0               31.8   -18.8      4.6
 LIQUID EQUIV   1.30               3.10   -1.80     0.50
SINCE 7/1        2.1                5.0    -2.9       MM
 LIQUID 7/1     0.21               0.50   -0.29       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= TRACE     23               13.4     9.6       19
DAYS >= 1.0        4                7.9    -3.9        2
GREATEST
 SNOW DEPTH        3   02/15                           3  02/28
                       02/17
                       02/18
 24 HR TOTAL     0.0    MM                           3.0
 STORM TOTAL     4.3                                 1.8
 (MM/DD(HH))            MM

DEGREE DAYS
HEATING TOTAL   4484               5183    -699     4352
 SINCE 7/1      1563               1803    -240       MM
COOLING TOTAL   1012                885     127      955
 SINCE 1/1      1012                885     127       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.1
RESULTANT WIND SPEED/DIRECTION   2/280
HIGHEST WIND SPEED/DIRECTION    39/150    DATE  01/09
HIGHEST GUST SPEED/DIRECTION    57/170    DATE  01/10

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.56
NUMBER OF DAYS FAIR           98
NUMBER OF DAYS PC            166
NUMBER OF DAYS CLOUDY        102

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             21     MIXED PRECIP               0
HEAVY RAIN               35     RAIN                      56
LIGHT RAIN              141     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       1
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW               21     SLEET                      4
FOG                     160     FOG W/VIS <= 1/4 MILE     30
HAZE                     26

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

$$