Climatological Report (Monthly)
Issued by NWS Upton, NY

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000
CXUS51 KOKX 011546 RRA
CLMISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
1146 AM EDT THU JUN 01 2023

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

...THE ISLIP NY CLIMATE SUMMARY FOR THE MONTH OF MAY 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 DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             98   05/20/1996
 LOW              32   05/01/2008
HIGHEST           85   05/12         MM      MM       93  05/31
LOWEST            38   05/18         MM      MM       39  05/01
AVG. MAXIMUM    69.4               68.3     1.1     70.3
AVG. MINIMUM    48.9               50.8    -1.9     53.2
MEAN            59.2               59.5    -0.3     61.7
DAYS MAX >= 90     0                0.0     0.0        2
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       10.14   1989
 MINIMUM        0.42   2015
TOTALS          1.91               3.28   -1.37     4.24
DAILY AVG.      0.06               0.11   -0.05     0.14
DAYS >= .01        7               11.6    -4.6       14
DAYS >= .10        1                6.6    -5.6        8
DAYS >= .50        1                2.2    -1.2        3
DAYS >= 1.00       1                0.7     0.3        1
GREATEST
 24 HR. TOTAL   1.73   05/20 TO 05/20               1.32  05/06 TO 05/07
 STORM TOTAL    1.73                                1.00
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL             T   2020
 24 HR TOTAL      MM
TOTALS           0.0                0.0     0.0      0.0
 LIQUID EQUIV   0.00               0.00    0.00     0.00
SINCE 7/1        5.0               31.8   -26.8       MM
 LIQUID 7/1     0.50               3.10   -2.60       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    188                196      -8      145
 SINCE 7/1      4396               5154    -758       MM
COOLING TOTAL     12                 27     -15       51
 SINCE 1/1        24                 29      -5       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.8
HIGHEST WIND SPEED/DIRECTION    26/330    DATE  05/17
HIGHEST GUST SPEED/DIRECTION    35/340    DATE  05/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.51
NUMBER OF DAYS FAIR            8
NUMBER OF DAYS PC             20
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     62

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       1
LIGHT RAIN                8     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      3
HAZE                      1

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

$$


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