Climatological Report (Seasonal)
Issued by NWS Upton, NY

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CXUS51 KOKX 011844
CLSISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
139 PM EST MON DEC 1 2014

...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM 9/1/2014 TO
11/30/2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1986 TO 2014

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              93   09/01/2010
 LOW               11   11/24/1989
HIGHEST            88   09/02        MM      MM
LOWEST             21   11/29        MM      MM
AVG. MAXIMUM     64.2              63.3     0.9
AVG. MINIMUM     48.3              46.7     1.6
MEAN             56.3              55.0     1.3
DAYS MAX >= 90      0               0.2    -0.2
DAYS MAX <= 32      0               0.1    -0.1
DAYS MIN <= 32     11              10.0     1.0
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        18.55   2005
 MINIMUM         4.02   2001
TOTALS          10.49             11.04   -0.55     4.86
DAILY AVG.       0.11              0.12   -0.01
DAYS >= .01        30              27.4     2.6
DAYS >= .10        18              17.4     0.6
DAYS >= .50        10               7.7     2.3
DAYS >= 1.00        3               3.1    -0.1
GREATEST
 24 HR. TOTAL    1.60   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL            7.6   1989
 24 HR TOTAL       MM
TOTALS              T               0.5    -0.5
 LIQUID EQUIV      MM              0.10      MM
SINCE 7/1           T               0.5    -0.5
 LIQUID 7/1        MM
DAYS >= TRACE       3               0.2     2.8
DAYS >= 1.0         0               0.1    -0.1
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL      0.0   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL     913              1010     -97
 SINCE 7/1        913              1016    -103
COOLING TOTAL     140               101      39
 SINCE 1/1        887               787     100
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.9
HIGHEST WIND SPEED/DIRECTION    37/340    DATE  11/02
HIGHEST GUST SPEED/DIRECTION    52/330    DATE  11/02

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           20
NUMBER OF DAYS PC             42
NUMBER OF DAYS CLOUDY         29

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               1
HEAVY RAIN                6     RAIN                      14
LIGHT RAIN               40     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       2
LIGHT SNOW                1     SLEET                      1
FOG                      36     FOG W/VIS <= 1/4 MILE      3
HAZE                      2

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

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