Climatological Report (Monthly)
Issued by NWS Upton, NY

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000
CXUS51 KOKX 011710
CLMISP

NYCCLMISP 000
TTAA00 KOKX 011705


CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
1205 PM EST WED MAR 1 2017

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

...THE ISLIP NY CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 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  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              67   02/05/1991
 LOW                0   02/14/2016
HIGHEST            65   02/25        MM      MM       64  02/01
                        02/19
LOWEST             12   02/10        MM      MM        0  02/14
AVG. MAXIMUM     46.4              40.3     6.1     44.3
AVG. MINIMUM     29.2              25.2     4.0     27.0
MEAN             37.8              32.8     5.0     35.7
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      1               4.8    -3.8        4
DAYS MIN <= 32     21              22.0    -1.0       18
DAYS MIN <= 0       0               0.0     0.0        1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.21   2008
 MINIMUM         0.89   2002
TOTALS           1.60              3.26   -1.66     4.00
DAILY AVG.       0.06              0.12   -0.06     0.14
DAYS >= .01         5               9.1    -4.1       13
DAYS >= .10         2               5.9    -3.9        9
DAYS >= .50         1               2.2    -1.2        4
DAYS >= 1.00        1               0.6     0.4        0
GREATEST
 24 HR. TOTAL    1.30   02/09 TO 02/09           02/23 TO 02/24
                                                          02/24 TO 02/24
                                                          02/24 TO 02/24
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    02/24(00) TO 02/24(00)
                                                 02/24(00) TO 02/24(00)4
                                                 02/24(00) TO 02/24(00)4

SNOWFALL (INCHES)
RECORDS
 TOTAL           31.4   2013
 24 HR TOTAL       MM
TOTALS           14.7               7.1     7.6     13.2
 LIQUID EQUIV    1.47              0.70    0.77     1.32
SINCE 7/1        31.9              19.7    12.2     38.0
 LIQUID 7/1      3.19              2.00    1.19     3.80
DAYS >= TRACE       4               3.4     0.6        8
DAYS >= 1.0         1               2.0    -1.0        2
GREATEST
 SNOW DEPTH        13   02/10                          9  02/06
 24 HR TOTAL     14.3   02/09 TO 02/09           02/24 TO 02/24
                                                          02/24 TO 02/24
                                                          02/24 TO 02/24
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    02/24(00) TO 02/24(00)
                                                 02/24(00) TO 02/24(00)4
                                                 02/24(00) TO 02/24(00)4

DEGREE_DAYS
HEATING TOTAL     753               903    -150      845
 SINCE 7/1       3302              3895    -593     3082
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
.....................................................

WIND (MPH)
AVERAGE WIND SPEED              10.1
HIGHEST WIND SPEED/DIRECTION    38/330    DATE  02/09
HIGHEST GUST SPEED/DIRECTION    51/MM     DATE   MM

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            4
NUMBER OF DAYS PC             14
NUMBER OF DAYS CLOUDY         10

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN                8     FREEZING RAIN              1
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW                3     SLEET                      2
FOG                      12     FOG W/VIS <= 1/4 MILE      8
HAZE                      5

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

$$



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