Climatological Report (Monthly) Issued by NWS Upton, NY
000
CXUS51 KOKX 011613
CLMISP
NYCCLMISP 000
TTAA00 OKX 011608
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
1208 PM EDT SAT APR 01 2023
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...THE ISLIP NY CLIMATE SUMMARY FOR THE MONTH OF MARCH 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 82 03/13/1990
LOW 0 03/18/1967
03/19/1967
HIGHEST 63 03/26 MM MM 68 03/18
LOWEST 24 03/01 MM MM 18 03/04
AVG. MAXIMUM 50.1 47.7 2.4 50.9
AVG. MINIMUM 33.4 32.0 1.4 33.8
MEAN 41.8 39.9 1.9 42.4
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 1.0 -1.0 0
DAYS MIN <= 32 13 16.9 -3.9 13
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 9.41 2010
MINIMUM 0.99 2012
TOTALS 3.83 4.51 -0.68 3.99
DAILY AVG. 0.12 0.15 -0.03 0.13
DAYS >= .01 14 10.8 3.2 13
DAYS >= .10 8 7.3 0.7 6
DAYS >= .50 3 2.9 0.1 3
DAYS >= 1.00 1 1.1 -0.1 1
GREATEST
24 HR. TOTAL 1.56 03/13 TO 03/14 1.63 03/24 TO 03/24
STORM TOTAL 1.20 1.63
(MM/DD(HH)) MM
SNOWFALL (INCHES)
RECORDS
TOTAL 31.9 2018
24 HR TOTAL MM
TOTALS 1.6 6.5 -4.9 1.6
LIQUID EQUIV 0.20 0.60 -0.40 0.20
SINCE 7/1 5.0 31.2 -26.2 MM
LIQUID 7/1 0.50 3.10 -2.60 MM
DAYS >= TRACE 5 3.0 2.0 3
DAYS >= 1.0 1 2.0 -1.0 1
GREATEST
SNOW DEPTH 1 03/01 MM 03/29
03/30
03/09
24 HR TOTAL MM MM
STORM TOTAL 1.2 1.2
(MM/DD(HH)) MM
DEGREE DAYS
HEATING TOTAL 713 780 -67 694
SINCE 7/1 3852 4499 -647 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 MM
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WIND (MPH)
AVERAGE WIND SPEED 11.2
HIGHEST WIND SPEED/DIRECTION 39/100 DATE 03/04
HIGHEST GUST SPEED/DIRECTION 50/100 DATE 03/04
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.58
NUMBER OF DAYS FAIR 10
NUMBER OF DAYS PC 12
NUMBER OF DAYS CLOUDY 9
AVERAGE RH (PERCENT) 66
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 3 RAIN 4
LIGHT RAIN 18 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 1 SNOW 1
LIGHT SNOW 3 SLEET 2
FOG 15 FOG W/VIS <= 1/4 MILE 6
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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