Climatological Report (Seasonal)
Issued by NWS Upton, NY

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000
CXUS51 KOKX 030139
CLSISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
839 PM EST THU MAR 02 2023

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

...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2022 TO 2/28/2023...

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
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             77   12/07/1998
 LOW             -14   02/13/1967
HIGHEST           71   02/16         MM      MM
LOWEST             3   02/04         MM      MM
AVG. MAXIMUM    46.7               41.5     5.2
AVG. MINIMUM    30.7               26.7     4.0
MEAN            38.7               34.1     4.6
DAYS MAX >= 90     0                0.0     0.0
DAYS MAX <= 32     5               15.0   -10.0
DAYS MIN <= 32    54               68.0   -14.0
DAYS MIN <= 0      0                0.1    -0.1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       22.25   1979
 MINIMUM        5.38   2002
TOTALS         11.01              11.66   -0.65    10.35
DAILY AVG.      0.12               0.13   -0.01
DAYS >= .01       41               32.8     8.2
DAYS >= .10       24               20.5     3.5
DAYS >= .50        6                8.2    -2.2
DAYS >= 1.00       3                2.9     0.1
GREATEST
 24 HR. TOTAL   1.79   12/06 TO 12/07
 STORM TOTAL    1.33
 (MM/DD(HH))

SNOWFALL (INCHES)
RECORDS
 TOTAL          57.8   2014
 24 HR TOTAL      MM
TOTALS           3.4               24.2   -20.8
 LIQUID EQUIV   0.30               2.40   -2.10
SINCE 7/1        3.4               24.7   -21.3
 LIQUID 7/1     0.34
DAYS >= TRACE     14               10.0     4.0
DAYS >= 1.0        1                6.0    -5.0
GREATEST
 SNOW DEPTH        3   02/28
 24 HR TOTAL     2.7
 STORM TOTAL     2.7
 (MM/DD(HH))

DEGREE DAYS
HEATING TOTAL   2347               2780    -433
 SINCE 7/1      3139               3719    -580
COOLING TOTAL      0                  0       0
 SINCE 1/1         0                  0       0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.8
HIGHEST WIND SPEED/DIRECTION    40/130    DATE  12/23
                                40/320          02/03
HIGHEST GUST SPEED/DIRECTION    52/140    DATE  12/23
                                52/290          02/03

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           19
NUMBER OF DAYS PC             42
NUMBER OF DAYS CLOUDY         29

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               1
HEAVY RAIN                3     RAIN                      16
LIGHT RAIN               42     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW               13     SLEET                      3
FOG                      43     FOG W/VIS <= 1/4 MILE      6
HAZE                      3

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

$$


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