Climatological Report (Monthly)
Issued by NWS Upton, NY

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000
CXUS51 KOKX 011508
CLMISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
1108 AM EDT SAT OCT 1 2016

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

...THE ISLIP NY CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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              93   09/01/2010
 LOW               38   09/22/1997
                        09/28/1989
HIGHEST            91   09/09        MM      MM       91  09/08
                                                          09/03
LOWEST             46   09/26        MM      MM       52  09/27
AVG. MAXIMUM     76.4              73.8     2.6     80.1
AVG. MINIMUM     61.4              57.5     3.9     61.6
MEAN             68.9              65.6     3.3     70.9
DAYS MAX >= 90      1               0.2     0.8        2
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.0     0.0        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.46   2008
 MINIMUM         0.81   1985
                        2007
TOTALS           3.05              3.58   -0.53     4.03
DAILY AVG.       0.10              0.12   -0.02     0.13
DAYS >= .01        11               8.6     2.4        6
DAYS >= .10         6               5.6     0.4        4
DAYS >= .50         2               2.6    -0.6        3
DAYS >= 1.00        1               1.1    -0.1        1
GREATEST
 24 HR. TOTAL    1.30   09/19 TO 09/20           09/10 TO 09/10
                                                          09/10 TO 09/11
                                                          09/11 TO 09/11
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    09/10(00) TO 09/10(00)
                                                 09/11(00) TO 09/11(00)1
                                                 09/11(00) TO 09/11(00)1

SNOWFALL (INCHES)
RECORDS
 TOTAL            0.0   0
                        0
                        0
 24 HR TOTAL      0.0   MM
TOTALS            0.0               0.0     0.0      0.0
 LIQUID EQUIV    0.00              0.00    0.00     0.00
SINCE 7/1         0.0               0.0     0.0      0.0
 LIQUID 7/1      0.00              0.00    0.00     0.00
DAYS >= TRACE       0               0.0     0.0        0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH         0   MM                             0  MM
 24 HR TOTAL      0.0   09/30 TO 09/30           09/30 TO 09/30
                                                          09/11 TO 09/11
                                                          09/11 TO 09/11
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    09/30(00) TO 09/30(00)
                                                 09/11(00) TO 09/11(00)1
                                                 09/11(00) TO 09/11(00)1

DEGREE_DAYS
HEATING TOTAL      32                72     -40        6
 SINCE 7/1         32                77     -45        6
COOLING TOTAL     158                91      67      187
 SINCE 1/1       1105               777     328     1068
..................................................

WIND (MPH)
AVERAGE WIND SPEED              8.6
HIGHEST WIND SPEED/DIRECTION    29/360    DATE  09/06
HIGHEST GUST SPEED/DIRECTION    40/040    DATE  09/30

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            7
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY         10

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       3
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      14     FOG W/VIS <= 1/4 MILE      2
HAZE                      2

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

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