Climatological Report (Monthly)
Issued by NWS Upton, NY

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000
CXUS51 KOKX 011323
CLMISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
923 AM EDT WED OCT 1 2014

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

...THE ISLIP NY CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1986 TO 2014

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            88   09/02        MM      MM       88  09/11
LOWEST             45   09/23        MM      MM       44  09/18
AVG. MAXIMUM     75.4              73.8     1.6     74.2
AVG. MINIMUM     59.4              57.5     1.9     55.2
MEAN             67.4              65.6     1.8     64.7
DAYS MAX >= 90      0               0.2    -0.2        0
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
TOTALS           1.62              3.58   -1.96     1.83
DAILY AVG.       0.05              0.12   -0.07     0.06
DAYS >= .01         7               8.6    -1.6        6
DAYS >= .10         5               5.6    -0.6        4
DAYS >= .50         1               2.6    -1.6        1
DAYS >= 1.00        0               1.1    -1.1        0
GREATEST
 24 HR. TOTAL    0.54   09/25 TO 09/25           09/22 TO 09/22
                                                          09/30 TO 09/30
                                                          09/30 TO 09/30
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    09/22(00) TO 09/22(00)
                                                 09/30(00) TO 09/30(00)0
                                                 09/30(00) TO 09/30(00)0

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
                                                          09/30 TO 09/30
                                                          09/30 TO 09/30
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    09/30(00) TO 09/30(00)
                                                 09/30(00) TO 09/30(00)0
                                                 09/30(00) TO 09/30(00)0

DEGREE_DAYS
HEATING TOTAL      44                72     -28       83
 SINCE 7/1         44                77     -33       83
COOLING TOTAL     124                91      33       84
 SINCE 1/1        871               777      94      931
.................................................

WIND (MPH)
AVERAGE WIND SPEED              7.2
HIGHEST WIND SPEED/DIRECTION    23/220    DATE  09/11
HIGHEST GUST SPEED/DIRECTION    32/220    DATE  09/02

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            7
NUMBER OF DAYS PC             17
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       4
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      10     FOG W/VIS <= 1/4 MILE      0
HAZE                      1

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

$$





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