Climatological Report (Seasonal) Issued by NWS Upton, NY
000
CXUS51 KOKX 020023
CLSISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
714 PM EST WED DEC 01 2021
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2021 TO 11/30/2021...
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 94 09/03/1973
LOW 11 11/24/1989
HIGHEST 85 09/13 MM MM
LOWEST 24 11/30 MM MM
AVG. MAXIMUM 66.8 64.2 2.6
AVG. MINIMUM 50.1 47.9 2.2
MEAN 58.5 56.1 2.4
DAYS MAX >= 90 0 0.0 0.0
DAYS MAX <= 32 0 0.0 0.0
DAYS MIN <= 32 12 10.1 1.9
DAYS MIN <= 0 0 0.0 0.0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 19.26 2018
MINIMUM 3.31 1965
TOTALS 12.74 10.98 1.76 MM
DAILY AVG. 0.14 0.12 0.02
DAYS >= .01 28 27.4 0.6
DAYS >= .10 15 17.1 -2.1
DAYS >= .50 7 7.8 -0.8
DAYS >= 1.00 4 3.0 1.0
GREATEST
24 HR. TOTAL 4.57 10/26 TO 10/26
STORM TOTAL 4.47
(MM/DD(HH))
SNOWFALL (INCHES)
RECORDS
TOTAL 7.6 1989
24 HR TOTAL 7.6 11/23/2008 TO 11/23/1989
TOTALS T 0.5 -0.5
LIQUID EQUIV T 0.00 0.00
SINCE 7/1 T 0.5 -0.5
LIQUID 7/1 -0.10
DAYS >= TRACE 2 0.0 2.0
DAYS >= 1.0 0 0.0 0.0
GREATEST
SNOW DEPTH 0
24 HR TOTAL MM
STORM TOTAL 0.0
(MM/DD(HH))
DEGREE DAYS
HEATING TOTAL 736 936 -200
SINCE 7/1 739 939 -200
COOLING TOTAL 168 121 47
SINCE 1/1 1046 885 161
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 8.5
HIGHEST WIND SPEED/DIRECTION 35/110 DATE 10/26
HIGHEST GUST SPEED/DIRECTION 49/280 DATE 11/13
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.55
NUMBER OF DAYS FAIR 25
NUMBER OF DAYS PC 40
NUMBER OF DAYS CLOUDY 26
AVERAGE RH (PERCENT) 73
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 9 MIXED PRECIP 0
HEAVY RAIN 9 RAIN 10
LIGHT RAIN 39 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 2 SLEET 0
FOG 28 FOG W/VIS <= 1/4 MILE 3
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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