Climatological Report (Monthly) Issued by NWS Upton, NY
000
CXUS51 KOKX 020026 RRA
CLMISP
NYCCLMISP 000
TTAA00 OKX 020023
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
823 PM EDT MON MAY 01 2023
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...THE ISLIP NY CLIMATE SUMMARY FOR THE MONTH OF APRIL 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
................................................................
TEMPERATURE (F)
RECORD
HIGH 94 04/17/2002
LOW 16 04/01/1969
HIGHEST 84 04/13 MM MM 73 04/14
04/14
LOWEST 29 04/03 MM MM 33 04/18
AVG. MAXIMUM 62.2 58.3 3.9 58.6
AVG. MINIMUM 44.4 41.2 3.2 41.5
MEAN 53.3 49.7 3.6 50.0
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 1 3.3 -2.3 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 9.09 1983
MINIMUM 0.98 1978
TOTALS 4.02 4.06 -0.04 2.49
DAILY AVG. 0.13 0.14 -0.01 0.08
DAYS >= .01 9 11.3 -2.3 15
DAYS >= .10 5 6.8 -1.8 7
DAYS >= .50 3 2.5 0.5 1
DAYS >= 1.00 2 1.0 1.0 0
GREATEST
24 HR. TOTAL 1.87 04/28 TO 04/29 1.15 04/18 TO 04/19
STORM TOTAL 1.77 0.73
(MM/DD(HH)) MM
SNOWFALL (INCHES)
RECORDS
TOTAL 16.0 1982
24 HR TOTAL 16.0 MM
TOTALS 0.0 0.6 -0.6 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 356 460 -104 440
SINCE 7/1 4208 4959 -751 MM
COOLING TOTAL 12 2 10 0
SINCE 1/1 12 2 10 MM
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WIND (MPH)
AVERAGE WIND SPEED 9.4
HIGHEST WIND SPEED/DIRECTION 32/300 DATE 04/02
HIGHEST GUST SPEED/DIRECTION 42/300 DATE 04/02
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.61
NUMBER OF DAYS FAIR 6
NUMBER OF DAYS PC 11
NUMBER OF DAYS CLOUDY 13
AVERAGE RH (PERCENT) 69
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 3 MIXED PRECIP 0
HEAVY RAIN 3 RAIN 4
LIGHT RAIN 13 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 13 FOG W/VIS <= 1/4 MILE 7
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$