Climatological Report (Seasonal)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
685 CXUS51 KOKX 021128 CLSISP NYCCLSISP 000 TTAA00 OKX 011945 CLIMATE REPORT NATIONAL WEATHER SERVICE NEW YORK, NY 628 AM EST MON DEC 02 2024 ................................... ...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM 9/1/2024 TO 11/30/2024... 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 NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 94 09/03/1973 LOW 11 11/24/1989 HIGHEST 84 09/14 MM MM 09/19 LOWEST 27 11/30 MM MM AVG. MAXIMUM 67.6 64.2 3.4 AVG. MINIMUM 48.7 47.9 0.8 MEAN 58.2 56.1 2.1 DAYS MAX >= 90 0 0.2 -0.2 DAYS MAX <= 32 0 0.2 -0.2 DAYS MIN <= 32 4 10.1 -6.1 DAYS MIN <= 0 0 0.0 0.0 PRECIPITATION (INCHES) RECORD MAXIMUM 19.26 2018 MINIMUM 3.31 1965 TOTALS 3.70 10.98 -7.28 11.10 DAILY AVG. 0.04 0.12 -0.08 DAYS >= .01 15 27.4 -12.4 DAYS >= .10 6 17.1 -11.1 DAYS >= .50 1 7.8 -6.8 DAYS >= 1.00 1 3.0 -2.0 GREATEST 24 HR. TOTAL 2.26 11/21 TO 11/21 STORM TOTAL 2.26 (MM/DD(HH)) SNOWFALL (INCHES) RECORDS TOTAL 7.6 1989 24 HR TOTAL 7.6 11/23/2008 TO 11/23/1989 TOTALS 0.0 0.5 -0.5 LIQUID EQUIV 0.00 0.00 0.00 SINCE 7/1 0.0 0.5 -0.5 LIQUID 7/1 0.00 DAYS >= TRACE 0 0.3 -0.3 DAYS >= 1.0 0 0.2 -0.2 GREATEST SNOW DEPTH 0 24 HR TOTAL 0.0 STORM TOTAL 0.0 (MM/DD(HH)) DEGREE DAYS HEATING TOTAL 689 936 -247 SINCE 7/1 690 939 -249 COOLING TOTAL 91 121 -30 SINCE 1/1 1012 885 127 .............................................................. WIND (MPH) AVERAGE WIND SPEED 8.4 HIGHEST WIND SPEED/DIRECTION 31/MM DATE 11/12 HIGHEST GUST SPEED/DIRECTION 47/320 DATE 11/23 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.45 NUMBER OF DAYS FAIR 39 NUMBER OF DAYS PC 39 NUMBER OF DAYS CLOUDY 13 AVERAGE RH (PERCENT) 66 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 1 MIXED PRECIP 0 HEAVY RAIN 1 RAIN 5 LIGHT RAIN 18 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 23 FOG W/VIS <= 1/4 MILE 3 HAZE 2 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$