Climatological Report (Monthly)
Issued by NWS Upton, NY

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000
CXUS51 KOKX 011731
CLMISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
124 PM EDT MON JUN 1 2015

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

...THE ISLIP NY CLIMATE SUMMARY FOR THE MONTH OF MAY 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1986 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              98   05/20/1996
 LOW               32   05/01/2008
HIGHEST            84   05/17        MM      MM       88  05/27
LOWEST             39   05/02        MM      MM       44  05/03
AVG. MAXIMUM     72.0              67.5     4.5     70.3
AVG. MINIMUM     53.5              49.8     3.7     52.9
MEAN             62.7              58.6     4.1     61.6
DAYS MAX >= 90      0               0.3    -0.3        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        10.14   1989
 MINIMUM         0.73   1986
TOTALS           0.42R             3.78   -3.36     2.66
DAILY AVG.       0.01              0.12   -0.11     0.09
DAYS >= .01         6              11.1    -5.1       14
DAYS >= .10         1               6.7    -5.7        8
DAYS >= .50         0               2.5    -2.5        1
DAYS >= 1.00        0               1.0    -1.0        0
GREATEST
 24 HR. TOTAL    0.28   05/16 TO 05/17           04/30 TO 05/01
                                                          05/31 TO 05/31
                                                          05/31 TO 05/31
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    05/01(00) TO 05/01(00)
                                                 05/31(00) TO 05/31(00)1
                                                 05/31(00) TO 05/31(00)1

SNOWFALL (INCHES)
RECORDS
 TOTAL              T   1991
                        0
                        0
 24 HR TOTAL       MM
TOTALS            0.0               0.0     0.0      0.0
 LIQUID EQUIV    0.00              0.00    0.00     0.00
SINCE 7/1        63.7              24.8    38.9     63.7
 LIQUID 7/1      6.37              2.50    3.87     6.37
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   05/31 TO 05/31           05/31 TO 05/31
                                                          05/31 TO 05/31
                                                          05/31 TO 05/31
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    05/31(00) TO 05/31(00)
                                                 05/31(00) TO 05/31(00)1
                                                 05/31(00) TO 05/31(00)1

DEGREE_DAYS
HEATING TOTAL     112               219    -107      127
 SINCE 7/1       5511              5390     121     5457
COOLING TOTAL      50                22      28       29
 SINCE 1/1         50                24      26       29
..................................................

WIND (MPH)
AVERAGE WIND SPEED              9.1
HIGHEST WIND SPEED/DIRECTION    28/200    DATE  05/27
HIGHEST GUST SPEED/DIRECTION    38/200    DATE  05/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC             16
NUMBER OF DAYS CLOUDY          9

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      6
HAZE                      7

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

$$


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