Climatological Report (Seasonal)
Issued by NWS Upton, NY

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000
CXUS51 KOKX 011647
CLSISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
1147 AM EST FRI MAR 1 2013


...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2012 TO 2/28/2013...

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              77   12/07/1998
 LOW               -7   01/15/1988
                        01/22/1984
HIGHEST            61   12/03        MM      MM
LOWEST              5   01/24        MM      MM
AVG. MAXIMUM     42.3              40.4     1.9
AVG. MINIMUM     28.2              25.6     2.6
MEAN             35.2              33.0     2.2
DAYS MAX >= 90      0               0.0     0.0
DAYS MAX <= 32     16              16.9    -0.9
DAYS MIN <= 32     63              68.4    -5.4
DAYS MIN <= 0       0               0.1    -0.1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        17.31   2010
 MINIMUM         6.86   2012
TOTALS          14.25             10.96    3.29     6.86
DAILY AVG.       0.16              0.12    0.04
DAYS >= .01        43              30.9    12.1
DAYS >= .10        28              19.5     8.5
DAYS >= .50        11               7.5     3.5
DAYS >= 1.00        3               2.4     0.6
GREATEST
 24 HR. TOTAL    4.63   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL           53.4   2010
 24 HR TOTAL     16.7   MM
TOTALS           35.3              19.2    16.1
 LIQUID EQUIV    3.53              1.90    1.63
SINCE 7/1        39.5              19.7    19.8
 LIQUID 7/1      3.95
DAYS >= TRACE      24               9.5    14.5
DAYS >= 1.0         4               5.7    -1.7
GREATEST
 SNOW DEPTH        25R  02/09
 24 HR TOTAL     16.7R  MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL    2651              2879    -228
 SINCE 7/1         MM              3895      MM
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.8
HIGHEST WIND SPEED/DIRECTION    44/210    DATE  01/31
HIGHEST GUST SPEED/DIRECTION    60/140    DATE  12/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR           11
NUMBER OF DAYS PC             39
NUMBER OF DAYS CLOUDY         40

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                      13
LIGHT RAIN               36     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                2     SNOW                       4
LIGHT SNOW               21     SLEET                      4
FOG                      52     FOG W/VIS <= 1/4 MILE     15
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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