Climatological Report (Seasonal)
Issued by NWS Upton, NY

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076
CXUS51 KOKX 021414
CLSISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
850 AM EST WED DEC 2 2015

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

...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2015 TO 11/30/2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1986 TO 2015

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            91   09/08        MM      MM
                        09/03
LOWEST             24   11/24        MM      MM
AVG. MAXIMUM     67.4              63.3     4.1
AVG. MINIMUM     49.8              46.7     3.1
MEAN             58.6              55.0     3.6
DAYS MAX >= 90      2               0.2     1.8
DAYS MAX <= 32      0               0.1    -0.1
DAYS MIN <= 32      6              10.0    -4.0
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        18.55   2005
 MINIMUM         4.02   2001
TOTALS          10.91             11.04   -0.13    10.49
DAILY AVG.       0.12              0.12    0.00
DAYS >= .01        21              27.4    -6.4
DAYS >= .10        13              17.4    -4.4
DAYS >= .50         8               7.7     0.3
DAYS >= 1.00        3               3.1    -0.1
GREATEST
 24 HR. TOTAL    2.30   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL            7.6   1989
 24 HR TOTAL       MM
TOTALS            0.0               0.5    -0.5
 LIQUID EQUIV    0.00              0.10   -0.10
SINCE 7/1         0.0               0.5    -0.5
 LIQUID 7/1      0.00
DAYS >= TRACE       0               0.2    -0.2
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     752              1010    -258
 SINCE 7/1        752              1016    -264
COOLING TOTAL     188               101      87
 SINCE 1/1       1069               787     282
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.5
HIGHEST WIND SPEED/DIRECTION    30/130    DATE  10/28
HIGHEST GUST SPEED/DIRECTION    40/110    DATE  10/28

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           34
NUMBER OF DAYS PC             32
NUMBER OF DAYS CLOUDY         25

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                8     RAIN                       9
LIGHT RAIN               20     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      35     FOG W/VIS <= 1/4 MILE      7
HAZE                     13

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

$$



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