Climatological Report (Seasonal)
Issued by NWS Upton, NY

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CXUS51 KOKX 011558 RRA
CLSISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
1054 AM EST THU DEC 1 2016



...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2016 TO 11/30/2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1984 TO 2016

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   09/09        MM      MM
LOWEST             27   11/28        MM      MM
AVG. MAXIMUM     66.7              63.3     3.4
AVG. MINIMUM     49.3              46.7     2.6
MEAN             58.0              55.0     3.0
DAYS MAX >= 90      1               0.2     0.8
DAYS MAX <= 32      0               0.1    -0.1
DAYS MIN <= 32      3              10.0    -7.0
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        18.55   2005
 MINIMUM         4.02   2001
TOTALS           9.02             11.04   -2.02    10.91
DAILY AVG.       0.10              0.12   -0.02
DAYS >= .01        27              27.4    -0.4
DAYS >= .10        15              17.4    -2.4
DAYS >= .50         7               7.7    -0.7
DAYS >= 1.00        2               3.1    -1.1
GREATEST
 24 HR. TOTAL    1.68   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL            7.6   1989
 24 HR TOTAL       MM
TOTALS              T               0.5    -0.5
 LIQUID EQUIV      MM              0.10      MM
SINCE 7/1           T               0.5    -0.5
 LIQUID 7/1        MM
DAYS >= TRACE       3               0.2     2.8
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     791              1010    -219
 SINCE 7/1        791              1016    -225
COOLING TOTAL     177               101      76
 SINCE 1/1       1124               787     337
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.7
HIGHEST WIND SPEED/DIRECTION    32/290    DATE  11/21
HIGHEST GUST SPEED/DIRECTION    45/280    DATE  11/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           23
NUMBER OF DAYS PC             41
NUMBER OF DAYS CLOUDY         27

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                      12
LIGHT RAIN               32     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                2     SLEET                      1
FOG                      40     FOG W/VIS <= 1/4 MILE      7
HAZE                      7

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

$$


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