Climatological Report (Monthly) Issued by NWS Upton, NY
000
CXUS51 KOKX 011546 RRA
CLMISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
1146 AM EDT THU JUN 01 2023
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...THE ISLIP NY CLIMATE SUMMARY FOR THE MONTH OF MAY 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 DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 98 05/20/1996
LOW 32 05/01/2008
HIGHEST 85 05/12 MM MM 93 05/31
LOWEST 38 05/18 MM MM 39 05/01
AVG. MAXIMUM 69.4 68.3 1.1 70.3
AVG. MINIMUM 48.9 50.8 -1.9 53.2
MEAN 59.2 59.5 -0.3 61.7
DAYS MAX >= 90 0 0.0 0.0 2
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 10.14 1989
MINIMUM 0.42 2015
TOTALS 1.91 3.28 -1.37 4.24
DAILY AVG. 0.06 0.11 -0.05 0.14
DAYS >= .01 7 11.6 -4.6 14
DAYS >= .10 1 6.6 -5.6 8
DAYS >= .50 1 2.2 -1.2 3
DAYS >= 1.00 1 0.7 0.3 1
GREATEST
24 HR. TOTAL 1.73 05/20 TO 05/20 1.32 05/06 TO 05/07
STORM TOTAL 1.73 1.00
(MM/DD(HH)) MM
SNOWFALL (INCHES)
RECORDS
TOTAL T 2020
24 HR TOTAL MM
TOTALS 0.0 0.0 0.0 0.0
LIQUID EQUIV 0.00 0.00 0.00 0.00
SINCE 7/1 5.0 31.8 -26.8 MM
LIQUID 7/1 0.50 3.10 -2.60 MM
DAYS >= TRACE 0 0.0 0.0 0
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
SNOW DEPTH 0 0 MM
24 HR TOTAL MM MM
STORM TOTAL 0.0 0.0
(MM/DD(HH)) MM
DEGREE DAYS
HEATING TOTAL 188 196 -8 145
SINCE 7/1 4396 5154 -758 MM
COOLING TOTAL 12 27 -15 51
SINCE 1/1 24 29 -5 MM
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WIND (MPH)
AVERAGE WIND SPEED 8.8
HIGHEST WIND SPEED/DIRECTION 26/330 DATE 05/17
HIGHEST GUST SPEED/DIRECTION 35/340 DATE 05/17
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.51
NUMBER OF DAYS FAIR 8
NUMBER OF DAYS PC 20
NUMBER OF DAYS CLOUDY 3
AVERAGE RH (PERCENT) 62
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 1
LIGHT RAIN 8 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 7 FOG W/VIS <= 1/4 MILE 3
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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