Climatological Report (Monthly)
Issued by NWS Upton, NY

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000
CXUS51 KOKX 012340 CCB
CLMISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
739 PM EDT SUN MAY 1 2016

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

...THE ISLIP NY CLIMATE SUMMARY FOR THE MONTH OF APRIL 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1986 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              94   04/17/2002
 LOW               23   04/06/2016
                        04/03/2008
HIGHEST            77   04/18        MM      MM       75  04/29
                                                          04/18
LOWEST             23R  04/06        MM      MM       28  04/02
AVG. MAXIMUM     58.4              57.6     0.8     58.6
AVG. MINIMUM     40.5              40.6    -0.1     40.0
MEAN             49.5              49.1     0.4     49.3
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      5               3.0     2.0        5
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.37   1998
 MINIMUM         1.29   1992
TOTALS           2.39              4.34   -1.95     1.66
DAILY AVG.       0.08              0.14   -0.06     0.06
DAYS >= .01        10              11.3    -1.3        9
DAYS >= .10         7               7.0     0.0        6
DAYS >= .50         0               2.6    -2.6        1
DAYS >= 1.00        0               1.1    -1.1        0
GREATEST
 24 HR. TOTAL    0.65   04/02 TO 04/03           04/20 TO 04/21
                                                          04/30 TO 04/30
                                                          04/30 TO 04/30
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    04/21(00) TO 04/21(00)
                                                 04/30(00) TO 04/30(00)0
                                                 04/30(00) TO 04/30(00)0

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   5
 24 HR TOTAL       MM
TOTALS            0.2               0.6    -0.4      0.0
 LIQUID EQUIV    0.02              0.10   -0.08     0.00
SINCE 7/1        41.4              24.8    16.6     63.7
 LIQUID 7/1      4.14              2.50    1.64     6.37
DAYS >= TRACE       2               0.3     1.7        0
DAYS >= 1.0         0               0.2    -0.2        0
GREATEST
 SNOW DEPTH         0   04/03                          0  MM
 24 HR TOTAL      0.2   MM                       04/30 TO 04/30
                                                          04/30 TO 04/30
                                                          04/30 TO 04/30
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    04/30(00) TO 04/30(00)
                                                 04/30(00) TO 04/30(00)0
                                                 04/30(00) TO 04/30(00)0

DEGREE_DAYS
HEATING TOTAL     457               479     -22      463
 SINCE 7/1       4138              5171   -1033     5399
COOLING TOTAL       0                 2      -2        0
 SINCE 1/1          0                 2      -2        0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              10.5
HIGHEST WIND SPEED/DIRECTION    39/300    DATE  04/03
HIGHEST GUST SPEED/DIRECTION    54/310    DATE  04/03

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            7
NUMBER OF DAYS PC             14
NUMBER OF DAYS CLOUDY          9

AVERAGE RH (PERCENT)     61

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       3
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                2     SLEET                      0
FOG                       9     FOG W/VIS <= 1/4 MILE      1
HAZE                      3

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

$$


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