Climatological Report (Seasonal)
Issued by NWS Upton, NY

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000
CXUS51 KOKX 011808
CLSISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
208 PM EDT THU JUN 01 2023

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

...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2023 TO 5/31/2023...

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             98   05/20/1996
 LOW               0   03/19/1967
                       03/18/1967
HIGHEST           85   05/12         MM      MM
LOWEST            24   03/01         MM      MM
AVG. MAXIMUM    60.6               58.1     2.5
AVG. MINIMUM    42.2               41.3     0.9
MEAN            51.4               49.7     1.7
DAYS MAX >= 90     0                0.0     0.0
DAYS MAX <= 32     0                1.0    -1.0
DAYS MIN <= 32    14               20.2    -6.2
DAYS MIN <= 0      0                0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       22.91   1998
 MINIMUM        6.00   1995
TOTALS          9.76              11.85   -2.09    10.72
DAILY AVG.      0.10               0.13   -0.03
DAYS >= .01       30               33.7    -3.7
DAYS >= .10       14               20.7    -6.7
DAYS >= .50        7                7.6    -0.6
DAYS >= 1.00       4                2.8     1.2
GREATEST
 24 HR. TOTAL   1.87
 STORM TOTAL    1.77
 (MM/DD(HH))

SNOWFALL (INCHES)
RECORDS
 TOTAL          36.5   2018
 24 HR TOTAL    16.0   MM
TOTALS           1.6                7.1    -5.5
 LIQUID EQUIV   0.20               0.70   -0.50
SINCE 7/1        5.0               31.8   -26.8
 LIQUID 7/1     0.50
DAYS >= TRACE      5                3.0     2.0
DAYS >= 1.0        1                2.0    -1.0
GREATEST
 SNOW DEPTH        1   03/01
 24 HR TOTAL      MM
 STORM TOTAL     1.2
 (MM/DD(HH))

DEGREE DAYS
HEATING TOTAL   1257               1435    -178
 SINCE 7/1      4396               5154    -758
COOLING TOTAL     24                 29      -5
 SINCE 1/1        24                 29      -5
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.8
HIGHEST WIND SPEED/DIRECTION    39/100    DATE  03/04
HIGHEST GUST SPEED/DIRECTION    50/100    DATE  03/04

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.57
NUMBER OF DAYS FAIR           24
NUMBER OF DAYS PC             43
NUMBER OF DAYS CLOUDY         25

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                8     RAIN                       9
LIGHT RAIN               39     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       1
LIGHT SNOW                3     SLEET                      2
FOG                      35     FOG W/VIS <= 1/4 MILE     16
HAZE                      4

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

$$


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