Climatological Report (Seasonal)
Issued by NWS Upton, NY

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CXUS51 KOKX 020145
CLSISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
943 PM EDT TUE SEP 1 2020

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

...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2020 TO 8/31/2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1963 TO 2020

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH             104   07/03/1966
 LOW               42   06/01/2009
                        06/03/1976
HIGHEST            95   07/28        MM      MM
                        07/27
LOWEST             44   06/01        MM      MM
AVG. MAXIMUM     82.4              79.6     2.8
AVG. MINIMUM     66.7              63.9     2.8
MEAN             74.6              71.7     2.9
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         3.67   1966
TOTALS           9.96             11.68   -1.72    10.64
DAILY AVG.       0.11              0.13   -0.02
DAYS >= .01        28              27.7     0.3
DAYS >= .10        20              17.5     2.5
DAYS >= .50         6               7.3    -1.3
DAYS >= 1.00        1               3.0    -2.0
GREATEST
 24 HR. TOTAL    2.05   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL              T   2012
                        1999
 24 HR TOTAL       MM
TOTALS              TR              0.0     0.0
 LIQUID EQUIV      MM              0.00      MM
SINCE 7/1           T               0.0     0.0
 LIQUID 7/1        MM
DAYS >= TRACE       1               0.0     1.0
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      13                42     -29
 SINCE 7/1          0                 5      -5
COOLING TOTAL     915               662     253
 SINCE 1/1        930               686     244
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.1
HIGHEST WIND SPEED/DIRECTION    49/170    DATE  08/04
HIGHEST GUST SPEED/DIRECTION    69/210    DATE  08/04

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           11
NUMBER OF DAYS PC             63
NUMBER OF DAYS CLOUDY         18

AVERAGE RH (PERCENT)     75

WEATHER CONDITIONS. NUMBER OF DAYS WITH
  0
 11
  0
  1
  0
  0
  9
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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