Climatological Report (Seasonal)
Issued by NWS Upton, NY

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000
CXUS51 KOKX 020118
CLSISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
918 PM EDT TUE JUN 1 2010

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

...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2010 TO 5/31/2010...

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              98   05/20/1996
 LOW                5   03/04/2009
HIGHEST            92   05/26        MM      MM
LOWEST             28   03/27        MM      MM
                        03/06
                        03/07
AVG. MAXIMUM     63.2              58.5     4.7
AVG. MINIMUM     44.0              40.2     3.8
MEAN             53.6              49.4     4.2
DAYS MAX >= 90      1               0.6     0.4
DAYS MAX <= 32      0               1.1    -1.1
DAYS MIN <= 32      5              20.2   -15.2
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        22.91   1998
 MINIMUM         6.00   1995
TOTALS          15.04             12.79    2.25    13.17
DAILY AVG.       0.16              0.14    0.02
DAYS >= .01        29              33.0    -4.0
DAYS >= .10        20              20.6    -0.6
DAYS >= .50         8               8.0     0.0
DAYS >= 1.00        5               3.1     1.9
GREATEST
 24 HR. TOTAL    2.66   03/29 TO 03/29
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL           18.0   1996
 24 HR TOTAL      9.7   03/02/2009 TO 03/02/2009
TOTALS            0.4                MM      MM
 LIQUID EQUIV    0.04                MM      MM
SINCE 7/1        53.8                MM      MM
 LIQUID 7/1      5.38
DAYS >= TRACE       4                MM      MM
DAYS >= 1.0         0               1.7    -1.7
GREATEST
 SNOW DEPTH         2   03/01
 24 HR TOTAL      0.3   03/03 TO 03/03
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL    1085              1458    -373
 SINCE 7/1       4923              5363    -440
COOLING TOTAL      54                15      39
 SINCE 1/1         54                15      39
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.6
HIGHEST WIND SPEED/DIRECTION    41/080    DATE  03/13
HIGHEST GUST SPEED/DIRECTION    62/100    DATE  03/13

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM

NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC             39
NUMBER OF DAYS CLOUDY         35

AVERAGE RH (PERCENT)     59

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN                8     RAIN                      12
LIGHT RAIN               37     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                3     SLEET                      0
FOG                      38     FOG W/VIS <= 1/4 MILE      3
HAZE                     28

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

$$





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