Climatological Report (Seasonal) Issued by NWS Upton, NY
000
CXUS51 KOKX 012110
CLSISP
NYCCLMISP 000
TTAA00 KOKX 012102
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
502 PM EDT TUE SEP 1 2009
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2009 TO 8/31/2009...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1986 TO 2009
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 91 08/10 MM MM
LOWEST 42R 06/01 MM MM
AVG. MAXIMUM 77.6 80.8 -3.2
AVG. MINIMUM 63.1 63.4 -0.3
MEAN 70.3 72.1 -1.8
DAYS MAX >= 90 3 6.4 -3.4
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 14.91 11.12 3.79 10.04
DAILY AVG. 0.16 0.12 0.04
DAYS >= .01 39 27.8 11.2
DAYS >= .10 26 17.5 8.5
DAYS >= .50 12 7.2 4.8
DAYS >= 1.00 4 3.2 0.8
GREATEST
24 HR. TOTAL 2.34 MM
STORM TOTAL MM
(MM/DD(HH)) MM
SNOWFALL (INCHES)
RECORDS
TOTAL T 1999
24 HR TOTAL MM
TOTALS 0.0 MM MM
LIQUID EQUIV 0.00 MM MM
SINCE 7/1 0.0 MM MM
LIQUID 7/1 0.00
DAYS >= TRACE 0 MM MM
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 62 25 37
SINCE 7/1 8 1 7
COOLING TOTAL 582 676 -94
SINCE 1/1 601 691 -90
FREEZE DATES
RECORD
EARLIEST MM
LATEST MM
EARLIEST MM
LATEST MM
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 7.2
HIGHEST WIND SPEED/DIRECTION 35/330 DATE 06/26
HIGHEST GUST SPEED/DIRECTION 47/310 DATE 06/26
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
NUMBER OF DAYS FAIR 14
NUMBER OF DAYS PC 40
NUMBER OF DAYS CLOUDY 38
AVERAGE RH (PERCENT) 71
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 19 MIXED PRECIP 0
HEAVY RAIN 10 RAIN 16
LIGHT RAIN 52 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 62 FOG W/VIS <= 1/4 MILE 4
HAZE 42
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$