Climatological Report (Seasonal)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
000 CXUS51 KOKX 020023 CLSISP CLIMATE REPORT NATIONAL WEATHER SERVICE NEW YORK, NY 714 PM EST WED DEC 01 2021 ................................... ...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM 9/1/2021 TO 11/30/2021... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1963 TO 2021 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 94 09/03/1973 LOW 11 11/24/1989 HIGHEST 85 09/13 MM MM LOWEST 24 11/30 MM MM AVG. MAXIMUM 66.8 64.2 2.6 AVG. MINIMUM 50.1 47.9 2.2 MEAN 58.5 56.1 2.4 DAYS MAX >= 90 0 0.0 0.0 DAYS MAX <= 32 0 0.0 0.0 DAYS MIN <= 32 12 10.1 1.9 DAYS MIN <= 0 0 0.0 0.0 PRECIPITATION (INCHES) RECORD MAXIMUM 19.26 2018 MINIMUM 3.31 1965 TOTALS 12.74 10.98 1.76 MM DAILY AVG. 0.14 0.12 0.02 DAYS >= .01 28 27.4 0.6 DAYS >= .10 15 17.1 -2.1 DAYS >= .50 7 7.8 -0.8 DAYS >= 1.00 4 3.0 1.0 GREATEST 24 HR. TOTAL 4.57 10/26 TO 10/26 STORM TOTAL 4.47 (MM/DD(HH)) SNOWFALL (INCHES) RECORDS TOTAL 7.6 1989 24 HR TOTAL 7.6 11/23/2008 TO 11/23/1989 TOTALS T 0.5 -0.5 LIQUID EQUIV T 0.00 0.00 SINCE 7/1 T 0.5 -0.5 LIQUID 7/1 -0.10 DAYS >= TRACE 2 0.0 2.0 DAYS >= 1.0 0 0.0 0.0 GREATEST SNOW DEPTH 0 24 HR TOTAL MM STORM TOTAL 0.0 (MM/DD(HH)) DEGREE DAYS HEATING TOTAL 736 936 -200 SINCE 7/1 739 939 -200 COOLING TOTAL 168 121 47 SINCE 1/1 1046 885 161 .............................................................. WIND (MPH) AVERAGE WIND SPEED 8.5 HIGHEST WIND SPEED/DIRECTION 35/110 DATE 10/26 HIGHEST GUST SPEED/DIRECTION 49/280 DATE 11/13 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.55 NUMBER OF DAYS FAIR 25 NUMBER OF DAYS PC 40 NUMBER OF DAYS CLOUDY 26 AVERAGE RH (PERCENT) 73 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 9 MIXED PRECIP 0 HEAVY RAIN 9 RAIN 10 LIGHT RAIN 39 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 2 SLEET 0 FOG 28 FOG W/VIS <= 1/4 MILE 3 HAZE 3 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$