Climatological Report (Monthly) Issued by NWS Upton, NY
000
CXUS51 KOKX 011330
CLMISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
923 AM EDT MON APR 01 2024
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...THE ISLIP NY CLIMATE SUMMARY FOR THE MONTH OF MARCH 2024...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2024
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 82 03/13/1990
LOW 0 03/18/1967
03/19/1967
HIGHEST 73 03/15 MM MM 63 03/26
LOWEST 24 03/22 MM MM 24 03/01
AVG. MAXIMUM 53.9 47.7 6.2 50.1
AVG. MINIMUM 37.5 32.0 5.5 33.4
MEAN 45.7 39.9 5.8 41.8
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 1.1 -1.1 0
DAYS MIN <= 32 4 16.9 -12.9 13
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 9.41 2010
MINIMUM 0.99 2012
TOTALS 9.54 4.51 5.03 3.83
DAILY AVG. 0.31 0.15 0.16 0.12
DAYS >= .01 13 10.8 2.2 14
DAYS >= .10 8 7.3 0.7 8
DAYS >= .50 5 2.9 2.1 3
DAYS >= 1.00 5 1.1 3.9 1
GREATEST
24 HR. TOTAL 2.27 03/23 TO 03/23 1.56 03/13 TO 03/14
STORM TOTAL 2.27 1.20
(MM/DD(HH)) MM
SNOWFALL (INCHES)
RECORDS
TOTAL 31.9 2018
24 HR TOTAL MM
TOTALS 0.0 6.5 -6.5 1.6
LIQUID EQUIV 0.00 0.60 -0.60 0.20
SINCE 7/1 10.9 31.2 -20.3 MM
LIQUID 7/1 1.09 3.10 -2.01 MM
DAYS >= TRACE 0 2.7 -2.7 5
DAYS >= 1.0 0 1.7 -1.7 1
GREATEST
SNOW DEPTH 0 1 03/01
24 HR TOTAL MM MM
STORM TOTAL 0.0 1.2
(MM/DD(HH)) MM
DEGREE DAYS
HEATING TOTAL 591 780 -189 713
SINCE 7/1 3930 4499 -569 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 MM
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WIND (MPH)
AVERAGE WIND SPEED 11.6
HIGHEST WIND SPEED/DIRECTION 37/290 DATE 03/11
HIGHEST GUST SPEED/DIRECTION 51/280 DATE 03/11
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.64
NUMBER OF DAYS FAIR 4
NUMBER OF DAYS PC 15
NUMBER OF DAYS CLOUDY 12
AVERAGE RH (PERCENT) 67
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 6 RAIN 8
LIGHT RAIN 17 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 16 FOG W/VIS <= 1/4 MILE 2
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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