Climatological Report (Seasonal) Issued by NWS Upton, NY
000
CXUS51 KOKX 030139
CLSISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
839 PM EST THU MAR 02 2023
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2022 TO 2/28/2023...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2023
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 77 12/07/1998
LOW -14 02/13/1967
HIGHEST 71 02/16 MM MM
LOWEST 3 02/04 MM MM
AVG. MAXIMUM 46.7 41.5 5.2
AVG. MINIMUM 30.7 26.7 4.0
MEAN 38.7 34.1 4.6
DAYS MAX >= 90 0 0.0 0.0
DAYS MAX <= 32 5 15.0 -10.0
DAYS MIN <= 32 54 68.0 -14.0
DAYS MIN <= 0 0 0.1 -0.1
PRECIPITATION (INCHES)
RECORD
MAXIMUM 22.25 1979
MINIMUM 5.38 2002
TOTALS 11.01 11.66 -0.65 10.35
DAILY AVG. 0.12 0.13 -0.01
DAYS >= .01 41 32.8 8.2
DAYS >= .10 24 20.5 3.5
DAYS >= .50 6 8.2 -2.2
DAYS >= 1.00 3 2.9 0.1
GREATEST
24 HR. TOTAL 1.79 12/06 TO 12/07
STORM TOTAL 1.33
(MM/DD(HH))
SNOWFALL (INCHES)
RECORDS
TOTAL 57.8 2014
24 HR TOTAL MM
TOTALS 3.4 24.2 -20.8
LIQUID EQUIV 0.30 2.40 -2.10
SINCE 7/1 3.4 24.7 -21.3
LIQUID 7/1 0.34
DAYS >= TRACE 14 10.0 4.0
DAYS >= 1.0 1 6.0 -5.0
GREATEST
SNOW DEPTH 3 02/28
24 HR TOTAL 2.7
STORM TOTAL 2.7
(MM/DD(HH))
DEGREE DAYS
HEATING TOTAL 2347 2780 -433
SINCE 7/1 3139 3719 -580
COOLING TOTAL 0 0 0
SINCE 1/1 0 0 0
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 9.8
HIGHEST WIND SPEED/DIRECTION 40/130 DATE 12/23
40/320 02/03
HIGHEST GUST SPEED/DIRECTION 52/140 DATE 12/23
52/290 02/03
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.60
NUMBER OF DAYS FAIR 19
NUMBER OF DAYS PC 42
NUMBER OF DAYS CLOUDY 29
AVERAGE RH (PERCENT) 70
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 3 MIXED PRECIP 1
HEAVY RAIN 3 RAIN 16
LIGHT RAIN 42 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 1
LIGHT SNOW 13 SLEET 3
FOG 43 FOG W/VIS <= 1/4 MILE 6
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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