Climatological Report (Monthly)
Issued by NWS Upton, NY

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815
CXUS51 KOKX 011249
CLMISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
843 AM EDT FRI SEP 1 2017

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

...THE ISLIP NY CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1963 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             100   08/09/2001
 LOW               50   08/23/1992
                        08/21/1992
HIGHEST            88   08/01        MM      MM       97  08/14
LOWEST             56   08/27        MM      MM       56  08/23
AVG. MAXIMUM     81.1              80.4     0.7     85.6
AVG. MINIMUM     64.5              65.3    -0.8     69.1
MEAN             72.8              72.8     0.0     77.3
DAYS MAX >= 90      0               1.0    -1.0        7
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        14.07   2014
 MINIMUM         0.26   2005
TOTALS           3.73              3.98   -0.25     0.90
DAILY AVG.       0.12              0.13   -0.01     0.03
DAYS >= .01        10               8.5     1.5        7
DAYS >= .10         8               5.4     2.6        3
DAYS >= .50         2               2.4    -0.4        1
DAYS >= 1.00        1               1.0     0.0        0
GREATEST
 24 HR. TOTAL    1.91   08/18 TO 08/18           08/19 TO 08/19
                                                          08/18 TO 08/19
                                                          08/19 TO 08/19
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    08/19(00) TO 08/19(00)
                                                 08/19(00) TO 08/19(00)9
                                                 08/19(00) TO 08/19(00)9

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   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         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   08/31 TO 08/31           08/31 TO 08/31
                                                          08/19 TO 08/19
                                                          08/19 TO 08/19
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    08/31(00) TO 08/31(00)
                                                 08/19(00) TO 08/19(00)9
                                                 08/19(00) TO 08/19(00)9

DEGREE_DAYS
HEATING TOTAL       0                 3      -3        0
 SINCE 7/1          0                 5      -5        0
COOLING TOTAL     251               246       5      391
 SINCE 1/1        768               686      82      947
..........................................................

WIND (MPH)
AVERAGE WIND SPEED              7.4
HIGHEST WIND SPEED/DIRECTION    23/210    DATE  08/22
HIGHEST GUST SPEED/DIRECTION    33/210    DATE  08/22

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC             19
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       5
LIGHT RAIN               10     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      0
HAZE                      0

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

$$



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