Climatological Report (Seasonal)
Issued by NWS Upton, NY

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000
CXUS51 KOKX 020115 RRA
CLSISP

NYCCLMISP 000
TTAA00 KOKX 020113


CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
812 PM EST WED MAR 1 2017

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

...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2016 TO 2/28/2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1984 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              77   12/07/1998
 LOW               -7   01/15/1988
                        01/22/1984
HIGHEST            65   02/25        MM      MM
                        02/19
LOWEST              4   01/09        MM      MM
AVG. MAXIMUM     44.5              40.4     4.1
AVG. MINIMUM     29.3              25.6     3.7
MEAN             36.9              33.0     3.9
DAYS MAX >= 90      0               0.0     0.0
DAYS MAX <= 32      7              16.9    -9.9
DAYS MIN <= 32     60              68.4    -8.4
DAYS MIN <= 0       0               0.1    -0.1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        18.06   1998
 MINIMUM         5.38   2002
TOTALS           9.19             10.96   -1.77    13.80
DAILY AVG.       0.10              0.12   -0.02
DAYS >= .01        32              30.9     1.1
DAYS >= .10        19              19.5    -0.5
DAYS >= .50         8               7.5     0.5
DAYS >= 1.00        1               2.4    -1.4
GREATEST
 24 HR. TOTAL    1.30   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL           57.8   2014
 24 HR TOTAL     23.4   MM
TOTALS           31.9              19.2    12.7
 LIQUID EQUIV    3.19              1.90    1.29
SINCE 7/1        31.9              19.7    12.2
 LIQUID 7/1      3.19
DAYS >= TRACE      14               9.5     4.5
DAYS >= 1.0         6               5.7     0.3
GREATEST
 SNOW DEPTH        13   02/10
 24 HR TOTAL     14.3   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL    2511              2879    -368
 SINCE 7/1         MM              3895      MM
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.7
HIGHEST WIND SPEED/DIRECTION    39/040    DATE  01/24
HIGHEST GUST SPEED/DIRECTION    55/060    DATE  01/24

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC             50
NUMBER OF DAYS CLOUDY         30

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                      11
LIGHT RAIN               34     FREEZING RAIN              2
LT FREEZING RAIN          3     HAIL                       0
HEAVY SNOW                2     SNOW                       5
LIGHT SNOW               13     SLEET                      4
FOG                      46     FOG W/VIS <= 1/4 MILE     13
HAZE                      8

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

$$



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