Climatological Report (Seasonal)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
000 CXUS51 KOKX 011336 RRA CLSISP CLIMATE REPORT NATIONAL WEATHER SERVICE NEW YORK NY 836 AM EST SUN DEC 1 2019 ................................... ...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM 9/1/2019 TO 11/30/2019... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1963 TO 2019 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL ............................................................. TEMPERATURE (F) RECORD HIGH 93 09/01/2010 LOW 11 11/24/1989 HIGHEST 89 10/02 MM MM LOWEST 20 11/14 MM MM AVG. MAXIMUM 64.1 63.3 0.8 AVG. MINIMUM 47.1 46.7 0.4 MEAN 55.6 55.0 0.6 DAYS MAX >= 90 0 0.2 -0.2 DAYS MAX <= 32 0 0.1 -0.1 DAYS MIN <= 32 13 10.0 3.0 DAYS MIN <= 0 0 0.0 0.0 PRECIPITATION (INCHES) RECORD MAXIMUM 19.26 2018 MINIMUM 4.02 2001 TOTALS 8.34 11.04 -2.70 19.26 DAILY AVG. 0.09 0.12 -0.03 DAYS >= .01 29 27.4 1.6 DAYS >= .10 18 17.4 0.6 DAYS >= .50 5 7.7 -2.7 DAYS >= 1.00 2 3.1 -1.1 GREATEST 24 HR. TOTAL 2.18 MM STORM TOTAL MM (MM/DD(HH)) MM SNOWFALL (INCHES) RECORDS TOTAL 7.6 1989 24 HR TOTAL MM TOTALS 0.1 0.5 -0.4 LIQUID EQUIV 0.01 0.10 -0.09 SINCE 7/1 0.1 0.5 -0.4 LIQUID 7/1 0.01 DAYS >= TRACE 2 0.2 1.8 DAYS >= 1.0 0 0.1 -0.1 GREATEST SNOW DEPTH 0 MM 24 HR TOTAL 0.1 MM STORM TOTAL MM (MM/DD(HH)) MM DEGREE_DAYS HEATING TOTAL 941 1010 -69 SINCE 7/1 943 1016 -73 COOLING TOTAL 111 101 10 SINCE 1/1 985 787 198 .............................................................. WIND (MPH) AVERAGE WIND SPEED 9.4 HIGHEST WIND SPEED/DIRECTION 40/300 DATE 10/17 HIGHEST GUST SPEED/DIRECTION 55/300 DATE 10/17 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.60 NUMBER OF DAYS FAIR 19 NUMBER OF DAYS PC 49 NUMBER OF DAYS CLOUDY 23 AVERAGE RH (PERCENT) 72 WEATHER CONDITIONS. NUMBER OF DAYS WITH 0 7 0 0 1 0 3 HAZE 0 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$