Climatological Report (Seasonal)
Issued by NWS Upton, NY

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000
CXUS51 KOKX 011423
CLSISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
1023 AM EDT SAT JUN 1 2013

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

...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2013 TO 5/31/2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1986 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              98   05/29/1996
 LOW                5   03/04/2009
HIGHEST            89   05/31        MM      MM
LOWEST             25   03/18        MM      MM
                        03/17
AVG. MAXIMUM     57.5              57.4     0.1
AVG. MINIMUM     40.5              40.6    -0.1
MEAN             49.0              49.0     0.0
DAYS MAX >= 90      0               0.3    -0.3
DAYS MAX <= 32      0               1.2    -1.2
DAYS MIN <= 32     24              19.5     4.5
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        22.91   1998
 MINIMUM         6.00   1995
TOTALS           7.22             12.56   -5.34     8.60
DAILY AVG.       0.08              0.14   -0.06
DAYS >= .01        30              32.9    -2.9
DAYS >= .10        19              20.8    -1.8
DAYS >= .50         4               8.0    -4.0
DAYS >= 1.00        0               3.3    -3.3
GREATEST
 24 HR. TOTAL    0.84   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            7.4               5.1     2.3
 LIQUID EQUIV    0.74              0.50    0.24
SINCE 7/1        46.9              24.8    22.1
 LIQUID 7/1      4.69
DAYS >= TRACE       9               2.6     6.4
DAYS >= 1.0         3               1.7     1.3
GREATEST
 SNOW DEPTH         3   03/08
 24 HR TOTAL      3.7   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL    1477              1495     -18
 SINCE 7/1         MM              5390      MM
COOLING TOTAL      32                24       8
 SINCE 1/1         32                24       8
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.0
HIGHEST WIND SPEED/DIRECTION    39/030    DATE  03/06
HIGHEST GUST SPEED/DIRECTION    49/050    DATE  03/06

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           16
NUMBER OF DAYS PC             46
NUMBER OF DAYS CLOUDY         30

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               1
HEAVY RAIN                1     RAIN                      13
LIGHT RAIN               41     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       4
LIGHT SNOW                9     SLEET                      1
FOG                      42     FOG W/VIS <= 1/4 MILE     10
HAZE                     17

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

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