Climatological Report (Seasonal)
Issued by NWS Upton, NY

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000
CXUS51 KOKX 011440
CLSISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
1036 AM EDT SUN SEP 1 2019

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

...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2019 TO 8/31/2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1963 TO 2019

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH             102   07/05/1999
 LOW               42   06/01/2009
HIGHEST            99   07/21        MM      MM
LOWEST             46   06/04        MM      MM
AVG. MAXIMUM     82.0              79.6     2.4
AVG. MINIMUM     65.5              63.9     1.6
MEAN             73.8              71.7     2.1
DAYS MAX >= 90      8               4.3     3.7
DAYS MAX <= 32      0               0.0     0.0
DAYS MIN <= 32      0               0.0     0.0
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        22.31   1990
 MINIMUM         3.74   2005
TOTALS          10.64             11.68   -1.04    12.94
DAILY AVG.       0.12              0.13   -0.01
DAYS >= .01        31              27.7     3.3
DAYS >= .10        22              17.5     4.5
DAYS >= .50         9               7.3     1.7
DAYS >= 1.00        1               3.0    -2.0
GREATEST
 24 HR. TOTAL    1.85   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL              T   2012
                        1999
 24 HR TOTAL       MM
TOTALS            0.0               0.0     0.0
 LIQUID EQUIV    0.00              0.00    0.00
SINCE 7/1         0.0               0.0     0.0
 LIQUID 7/1      0.00
DAYS >= TRACE       0               0.0     0.0
DAYS >= 1.0         0               0.0     0.0
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL      0.0   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL      18                42     -24
 SINCE 7/1          2                 5      -3
COOLING TOTAL     847               662     185
 SINCE 1/1        874               686     188
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              7.9
HIGHEST WIND SPEED/DIRECTION    40/320    DATE  07/22
HIGHEST GUST SPEED/DIRECTION    54/330    DATE  06/30

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           19
NUMBER OF DAYS PC             49
NUMBER OF DAYS CLOUDY         24

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
  0
 10
  0
  0
  0
  0
 10
HAZE                      4

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

$$


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