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Climatological Report (Annual)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
014 CXUS51 KOKX 090551 CLAISP NYCCLAISP 000 TTAA00 OKX 090409 CLIMATE REPORT...CORRECTED NATIONAL WEATHER SERVICE NEW YORK, NY 1043 PM EST FRI JAN 08 2021 ................................... ...THE ISLIP NY CLIMATE SUMMARY FOR THE YEAR OF 2020... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1963 TO 2021 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 104 07/03/1966 LOW -14 02/13/1967 HIGHEST 95 07/27 MM MM 99 07/21 07/28 LOWEST 13 02/15 MM MM 3 01/31 AVG. MAXIMUM 63.0 60.3 2.7 61.5 AVG. MINIMUM 46.8 44.3 2.5 45.3 MEAN 54.9 52.3 2.6 53.4 DAYS MAX >= 90 8 4.8 3.2 8 DAYS MAX <= 32 5 18.3 -13.3 11 DAYS MIN <= 32 73 97.9 -24.9 107 DAYS MIN <= 0 0 0.1 -0.1 0 PRECIPITATION (INCHES) RECORD MAXIMUM 65.32 1989 MINIMUM MM MM TOTALS 43.46 46.24 -2.78 48.73 DAILY AVG. 0.12 0.13 -0.01 0.13 DAYS >= .01 129 118.9 10.1 145 DAYS >= .10 79 75.2 3.8 90 DAYS >= .50 28 30.5 -2.5 38 DAYS >= 1.00 8 11.8 -3.8 10 GREATEST 24 HR. TOTAL 2.75 09/10 TO 09/10 2.18 STORM TOTAL MM MM (MM/DD(HH)) MM SNOWFALL (INCHES) RECORDS TOTAL MM MM 24 HR TOTAL 23.4 01/23/2016 SNOW DEPTH 26 02/09/1978 TOTALS 10.0 24.8 -14.8 12.8 LIQUID EQUIV 1.00 2.40 -1.40 1.30 SINCE 7/1 7.5 5.9 1.6 MM LIQUID 7/1 0.75 0.50 0.25 MM SNOWDEPTH AVG. 0 0 DAYS >= TRACE 15 12.3 2.7 26 DAYS >= 1.0 3 7.5 -4.5 6 GREATEST SNOW DEPTH 5 12/18 2 03/02 12/03 24 HR TOTAL 7.4 12/16 TO 12/17 2.0 02/12 TO 02/12 STORM TOTAL 7.4 MM (MM/DD(HH)) MM DEGREE DAYS HEATING TOTAL 4644 5426 -782 5091 SINCE 7/1 1624 1926 -302 MM COOLING TOTAL 1059 787 272 985 SINCE 1/1 1059 787 272 985 ................................................................ WIND (MPH) AVERAGE WIND SPEED 9.3 RESULTANT WIND SPEED/DIRECTION 2/270 HIGHEST WIND SPEED/DIRECTION 49/170 DATE 08/04 HIGHEST GUST SPEED/DIRECTION 69/210 DATE 08/04 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.61 NUMBER OF DAYS FAIR 58 NUMBER OF DAYS PC 191 NUMBER OF DAYS CLOUDY 117 AVERAGE RH (PERCENT) 72 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 29 MIXED PRECIP 0 HEAVY RAIN 38 RAIN 54 LIGHT RAIN 159 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 2 HEAVY SNOW 1 SNOW 5 LIGHT SNOW 12 SLEET 4 FOG 166 FOG W/VIS <= 1/4 MILE 39 HAZE 11 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$
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