879
CXUS51 KOKX 041447 RRB
CLSISP

NYCCLSISP 000
TTAA00 OKX 041447

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
947 AM EST TUE MAR 04 2025

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

...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2024 TO 2/28/2025...

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
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             77   12/07/1998
 LOW             -14   02/13/1967
HIGHEST           61   12/30         MM      MM
LOWEST             7   01/22         MM      MM
AVG. MAXIMUM    41.0               41.5    -0.5
AVG. MINIMUM    26.4               26.7    -0.3
MEAN            33.7               34.1    -0.4
DAYS MAX >= 90     0                0.0     0.0
DAYS MAX <= 32    12               15.1    -3.1
DAYS MIN <= 32    70               68.0     2.0
DAYS MIN <= 0      0                0.1    -0.1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       22.25   1979
 MINIMUM        5.38   2002
TOTALS         10.55              11.66   -1.11    18.28
DAILY AVG.      0.12               0.13   -0.01
DAYS >= .01       32               32.8    -0.8
DAYS >= .10       25               20.5     4.5
DAYS >= .50        6                8.2    -2.2
DAYS >= 1.00       3                2.9     0.1
GREATEST
 24 HR. TOTAL   1.73
 STORM TOTAL    1.56
 (MM/DD(HH))

SNOWFALL (INCHES)
RECORDS
 TOTAL          57.8   2014
 24 HR TOTAL     2.7   MM
TOTALS          11.7               24.2   -12.5
 LIQUID EQUIV   1.20               2.40   -1.20
SINCE 7/1       11.7               24.7   -13.0
 LIQUID 7/1     1.17
DAYS >= TRACE     21               10.1    10.9
DAYS >= 1.0        4                5.8    -1.8
GREATEST
 SNOW DEPTH        4   02/09
 24 HR TOTAL      MM
 STORM TOTAL     4.0
 (MM/DD(HH))

DEGREE DAYS
HEATING TOTAL   2792               2780      12
 SINCE 7/1      3482               3719    -237
COOLING TOTAL      0                  0       0
 SINCE 1/1         0                  0       0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.4
HIGHEST WIND SPEED/DIRECTION    38/300    DATE  02/17
HIGHEST GUST SPEED/DIRECTION    55/300    DATE  02/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.55
NUMBER OF DAYS FAIR           20
NUMBER OF DAYS PC             52
NUMBER OF DAYS CLOUDY         18

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                      11
LIGHT RAIN               29     FREEZING RAIN              0
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                1     SNOW                       3
LIGHT SNOW               21     SLEET                      2
FOG                      38     FOG W/VIS <= 1/4 MILE     11
HAZE                      3

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

$$