Climatological Report (Seasonal)
Issued by NWS Upton, NY

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000
CXUS51 KOKX 012034
CLSISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
411 PM EDT MON JUN 1 2015

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

...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2015 TO 5/31/2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1986 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              98   05/20/1996
 LOW                5   03/04/2009
HIGHEST            84   05/17        MM      MM
LOWEST              9   03/03        MM      MM
AVG. MAXIMUM     58.0              57.4     0.6
AVG. MINIMUM     40.2              40.6    -0.4
MEAN             49.1              49.0     0.1
DAYS MAX >= 90      0               0.3    -0.3
DAYS MAX <= 32      2               1.2     0.8
DAYS MIN <= 32     28              19.5     8.5
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        22.91   1998
 MINIMUM         6.00   1995
TOTALS           7.15             12.56   -5.41    13.40
DAILY AVG.       0.08              0.14   -0.06
DAYS >= .01        31              32.9    -1.9
DAYS >= .10        18              20.8    -2.8
DAYS >= .50         5               8.0    -3.0
DAYS >= 1.00        1               3.3    -2.3
GREATEST
 24 HR. TOTAL    1.12   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL           18.0   1996
 24 HR TOTAL      9.7   03/02/2009 TO 03/02/2009
TOTALS           19.7R              5.1    14.6
 LIQUID EQUIV    1.97              0.50    1.47
SINCE 7/1        63.7              24.8    38.9
 LIQUID 7/1      6.37
DAYS >= TRACE      11               2.6     8.4
DAYS >= 1.0         4               1.7     2.3
GREATEST
 SNOW DEPTH        13R  03/02
 24 HR TOTAL      6.3   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL    1491              1495      -4
 SINCE 7/1         MM              5390      MM
COOLING TOTAL      50                24      26
 SINCE 1/1         50                24      26
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.0
HIGHEST WIND SPEED/DIRECTION    41/300    DATE  03/17
HIGHEST GUST SPEED/DIRECTION    55/290    DATE  03/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC             46
NUMBER OF DAYS CLOUDY         28

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               1
HEAVY RAIN                2     RAIN                       8
LIGHT RAIN               32     FREEZING RAIN              0
LT FREEZING RAIN          5     HAIL                       0
HEAVY SNOW                1     SNOW                       7
LIGHT SNOW                8     SLEET                      2
FOG                      41     FOG W/VIS <= 1/4 MILE     15
HAZE                     14

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

$$


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