Climatological Report (Annual)
Issued by NWS Upton, NY

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000
CXUS51 KOKX 011955
CLAISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
242 PM EST SUN JAN 1 2017

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

...THE ISLIP NY CLIMATE SUMMARY FOR THE YEAR OF 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  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             102   07/05/1999
 LOW               -7   01/15/1988
                        01/22/1984
HIGHEST            97   08/14        MM      MM       94  07/20
LOWEST              0   02/14        MM      MM        2  02/21
                                                          02/20
AVG. MAXIMUM     63.3              60.3     3.0     61.8
AVG. MINIMUM     46.2              44.3     1.9     45.1
MEAN             54.7              52.3     2.4     53.4
DAYS MAX >= 90     15               4.8    10.2       MM
DAYS MAX <= 32     11              18.3    -7.3       MM
DAYS MIN <= 32     84              97.9   -13.9       MM
DAYS MIN <= 0       1               0.1     0.9       MM

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        65.32   1989
 MINIMUM        34.41   1985
TOTALS          34.99             46.24  -11.25    38.60
DAILY AVG.       0.09              0.13   -0.04     0.11
DAYS >= .01       114             118.9    -4.9       MM
DAYS >= .10        64              75.2   -11.2       MM
DAYS >= .50        29              30.5    -1.5       MM
DAYS >= 1.00        7              11.8    -4.8       MM
GREATEST
 24 HR. TOTAL    2.13   MM                       12/31 TO 12/31
                                                          12/31 TO 12/31
                                                          12/31 TO 12/31
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    12/31(00) TO 12/31(00)
                                                 12/31(00) TO 12/31(00)1
                                                 12/31(00) TO 12/31(00)1

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   MM
 24 HR TOTAL     17.4   MM
 SNOW DEPTH        MM   MM
TOTALS           44.6              24.8    19.8     63.3
 LIQUID EQUIV    4.46              2.50    1.96     6.33
SINCE 7/1         3.2               5.9    -2.7        T
 LIQUID 7/1      0.32              0.60   -0.28       MM
SNOWDEPTH AVG.      0                MM      MM        2
DAYS >= TRACE      29              12.3    16.7       MM
DAYS >= 1.0         6               7.5    -1.5       MM
GREATEST
 SNOW DEPTH        23   01/24                         24  01/28
 24 HR TOTAL     23.4R  MM                       12/31 TO 12/31
                                                          12/31 TO 12/31
                                                          12/31 TO 12/31
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    12/31(00) TO 12/31(00)
                                                 12/31(00) TO 12/31(00)1
                                                 12/31(00) TO 12/31(00)1

DEGREE_DAYS
HEATING TOTAL    4776              5426    -650     5122
 SINCE 7/1         MM              1927      MM       MM
COOLING TOTAL    1124               787     337     1069
 SINCE 1/1       1124               787     337     1069
..................................................

WIND (MPH)
AVERAGE WIND SPEED              9.4
RESULTANT WIND SPEED/DIRECTION   2/279
HIGHEST WIND SPEED/DIRECTION    44/050    DATE  01/23
HIGHEST GUST SPEED/DIRECTION    60/190    DATE  01/10

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           74
NUMBER OF DAYS PC            205
NUMBER OF DAYS CLOUDY         87

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN               22     RAIN                      37
LIGHT RAIN              130     FREEZING RAIN              1
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                2     SNOW                       7
LIGHT SNOW               28     SLEET                      3
FOG                     153     FOG W/VIS <= 1/4 MILE     21
HAZE                     40

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

$$



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