Climatological Report (Seasonal)
Issued by NWS Upton, NY

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000
CXUS51 KOKX 011406
CLSISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
1005 AM EDT WED SEP 1 2010

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

...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2010 TO 8/31/2010...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1986 TO 2010

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           101   07/06        MM      MM
LOWEST             50   06/09        MM      MM
AVG. MAXIMUM     83.4              80.8     2.6
AVG. MINIMUM     66.1              63.4     2.7
MEAN             74.7              72.1     2.6
DAYS MAX >= 90     15               6.4     8.6
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           7.67             11.12   -3.45    14.91
DAILY AVG.       0.08              0.12   -0.04
DAYS >= .01        21              27.8    -6.8
DAYS >= .10        13              17.5    -4.5
DAYS >= .50         5               7.2    -2.2
DAYS >= 1.00        2               3.2    -1.2
GREATEST
 24 HR. TOTAL    1.95   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL              T   1999
 24 HR TOTAL       MM
TOTALS            0.0                MM      MM
 LIQUID EQUIV    0.00                MM      MM
SINCE 7/1         0.0                MM      MM
 LIQUID 7/1      0.00
DAYS >= TRACE       0                MM      MM
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      11                25     -14
 SINCE 7/1          0                 1      -1
COOLING TOTAL     935               676     259
 SINCE 1/1        989               691     298
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.0
HIGHEST WIND SPEED/DIRECTION    33/330    DATE  07/25
HIGHEST GUST SPEED/DIRECTION    54/210    DATE  06/22

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM

NUMBER OF DAYS FAIR           21
NUMBER OF DAYS PC             48
NUMBER OF DAYS CLOUDY         23

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             10     MIXED PRECIP               0
HEAVY RAIN                8     RAIN                      10
LIGHT RAIN               29     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      34     FOG W/VIS <= 1/4 MILE      1
HAZE                     44

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

$$





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