Climatological Report (Seasonal) Issued by NWS Upton, NY
945
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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