Climatological Report (Seasonal) Issued by NWS Upton, NY
000
CXUS51 KOKX 031232
CLSISP
NYCCLSISP 000
TTAA00 OKX 031219
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
832 AM EDT FRI SEP 03 2021
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2021 TO 8/31/2021...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2021
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
06/12/1972
HIGHEST 94 08/27 MM MM
LOWEST 49 06/01 MM MM
AVG. MAXIMUM 81.4 80.5 0.9
AVG. MINIMUM 66.0 64.7 1.3
MEAN 73.7 72.6 1.1
DAYS MAX >= 90 9 8.0 1.0
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 13.35 11.50 1.85 9.96
DAILY AVG. 0.14 0.13 0.01
DAYS >= .01 31 28.1 2.9
DAYS >= .10 18 17.4 0.6
DAYS >= .50 8 7.0 1.0
DAYS >= 1.00 4 2.8 1.2
GREATEST
24 HR. TOTAL 2.26 07/08 TO 07/09
STORM TOTAL 2.16
(MM/DD(HH))
SNOWFALL (INCHES)
RECORDS
TOTAL T 2020
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
24 HR TOTAL 0.0
STORM TOTAL 0.0
(MM/DD(HH))
DEGREE DAYS
HEATING TOTAL 11 33 -22
SINCE 7/1 3 1 2
COOLING TOTAL 839 735 104
SINCE 1/1 878 764 114
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 7.8
HIGHEST WIND SPEED/DIRECTION 38/030 DATE 07/09
HIGHEST GUST SPEED/DIRECTION 50/360 DATE 07/09
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.62
NUMBER OF DAYS FAIR 18
NUMBER OF DAYS PC 41
NUMBER OF DAYS CLOUDY 33
AVERAGE RH (PERCENT) 78
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 13 MIXED PRECIP 0
HEAVY RAIN 10 RAIN 15
LIGHT RAIN 44 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 47 FOG W/VIS <= 1/4 MILE 6
HAZE 4
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$