Climatological Report (Seasonal)
Issued by NWS Upton, NY

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000
CXUS51 KOKX 011756
CLSISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
1256 PM EST THU MAR 1 2012

...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2011 TO 2/29/2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1986 TO 2012

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            63   02/01        MM      MM
LOWEST             10   01/16        MM      MM
AVG. MAXIMUM     46.8              40.4     6.4
AVG. MINIMUM     29.8              25.6     4.2
MEAN             38.3              33.0     5.3
DAYS MAX >= 90      0               0.0     0.0
DAYS MAX <= 32      5              16.9   -11.9
DAYS MIN <= 32     65              68.4    -3.4
DAYS MIN <= 0       0               0.1    -0.1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        18.06   1998
 MINIMUM         5.38   2002
TOTALS           6.86             10.96   -4.10    12.46
DAILY AVG.       0.07              0.12   -0.05
DAYS >= .01        31              30.9     0.1
DAYS >= .10        17              19.5    -2.5
DAYS >= .50         4               7.5    -3.5
DAYS >= 1.00        1               2.4    -1.4
GREATEST
 24 HR. TOTAL    1.27   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL           53.4   2010
 24 HR TOTAL     14.3   MM
TOTALS            4.4              19.2   -14.8
 LIQUID EQUIV    0.44              1.90   -1.46
SINCE 7/1         4.7              19.8   -15.1
 LIQUID 7/1      0.47
DAYS >= TRACE      11               9.5     1.5
DAYS >= 1.0         1               5.7    -4.7
GREATEST
 SNOW DEPTH         4   01/22
 24 HR TOTAL      3.6   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL    2406              2879    -473
 SINCE 7/1         MM              3925      MM
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.2
HIGHEST WIND SPEED/DIRECTION    45/170    DATE  12/27
HIGHEST GUST SPEED/DIRECTION    59/180    DATE  12/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC             52
NUMBER OF DAYS CLOUDY         25

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       5
LIGHT RAIN               36     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                0     SNOW                       4
LIGHT SNOW                8     SLEET                      2
FOG                      31     FOG W/VIS <= 1/4 MILE      5
HAZE                      8

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

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