Climatological Report (Seasonal)
Issued by NWS Upton, NY

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000
CXUS51 KOKX 011641
CLSISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
1241 PM EDT SUN SEP 1 2013

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

...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2013 TO 8/31/2013...

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             102   07/05/1999
 LOW               42   06/01/2009
HIGHEST            95   07/18        MM      MM
LOWEST             53   06/14        MM      MM
                        06/05
AVG. MAXIMUM     81.1              79.6     1.5
AVG. MINIMUM     65.7              63.9     1.8
MEAN             73.4              71.7     1.7
DAYS MAX >= 90     10               4.3     5.7
DAYS MAX <= 32      0               0.0     0.0
DAYS MIN <= 32      0               0.0     0.0
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        22.31   1990
 MINIMUM         3.74   2005
TOTALS          13.21             11.68    1.53    18.52
DAILY AVG.       0.15              0.13    0.02
DAYS >= .01        36              27.7     8.3
DAYS >= .10        22              17.5     4.5
DAYS >= .50         6               7.3    -1.3
DAYS >= 1.00        2               3.0    -1.0
GREATEST
 24 HR. TOTAL    4.57   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL              T   2012
                        1999
 24 HR TOTAL       MM
TOTALS            0.0               0.0     0.0
 LIQUID EQUIV    0.00              0.00    0.00
SINCE 7/1         0.0               0.0     0.0
 LIQUID 7/1      0.00
DAYS >= TRACE       0               0.0     0.0
DAYS >= 1.0         0               0.0     0.0
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL      0.0   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL      12                42     -30
 SINCE 7/1          0                 5      -5
COOLING TOTAL     815               662     153
 SINCE 1/1        847               686     161
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.2
HIGHEST WIND SPEED/DIRECTION    25/220    DATE  07/19
HIGHEST GUST SPEED/DIRECTION    37/010    DATE  06/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           16
NUMBER OF DAYS PC             49
NUMBER OF DAYS CLOUDY         27

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN               14     RAIN                      11
LIGHT RAIN               38     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      43     FOG W/VIS <= 1/4 MILE      6
HAZE                     19

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

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