Climatological Report (Monthly)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
300 CXUS51 KOKX 011643 CLMISP CLIMATE REPORT NATIONAL WEATHER SERVICE NEW YORK NY 1243 PM EDT TUE OCT 01 2024 ................................... ...THE ISLIP NY CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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 DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 94 09/03/1973 LOW 38 09/22/1997 09/28/1989 09/20/1979 HIGHEST 84 09/14 MM MM 92 09/06 09/19 09/07 LOWEST 50 09/09 MM MM 50 09/17 AVG. MAXIMUM 75.0 74.8 0.2 75.5 AVG. MINIMUM 58.6 58.9 -0.3 61.6 MEAN 66.8 66.9 -0.1 68.6 DAYS MAX >= 90 0 0.2 -0.2 4 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.0 0.0 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 7.50 1966 MINIMUM 0.61 2019 TOTALS 0.24R 3.60 -3.36 6.78 DAILY AVG. 0.01 0.12 -0.11 0.23 DAYS >= .01 5 8.6 -3.6 10 DAYS >= .10 1 5.5 -4.5 9 DAYS >= .50 0 2.6 -2.6 4 DAYS >= 1.00 0 1.0 -1.0 3 GREATEST 24 HR. TOTAL 0.13 09/28 TO 09/28 2.18 09/28 TO 09/29 STORM TOTAL 0.13 2.18 (MM/DD(HH)) MM SNOWFALL (INCHES) RECORDS TOTAL 0.0 0 24 HR TOTAL 0.0 MM TOTALS 0.0 0.0 0.0 0.0 LIQUID EQUIV 0.00 0.00 0.00 0.00 SINCE 7/1 0.0 0.0 0.0 MM LIQUID 7/1 0.00 0.00 0.00 MM DAYS >= TRACE 0 0.0 0.0 0 DAYS >= 1.0 0 0.0 0.0 0 GREATEST SNOW DEPTH 0 0 MM 24 HR TOTAL MM MM STORM TOTAL 0.0 0.0 (MM/DD(HH)) MM DEGREE DAYS HEATING TOTAL 18 53 -35 44 SINCE 7/1 19 56 -37 MM COOLING TOTAL 80 108 -28 158 SINCE 1/1 1001 872 129 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 7.8 HIGHEST WIND SPEED/DIRECTION 28/300 DATE 09/07 HIGHEST GUST SPEED/DIRECTION 39/310 DATE 09/07 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.55 NUMBER OF DAYS FAIR 11 NUMBER OF DAYS PC 10 NUMBER OF DAYS CLOUDY 9 AVERAGE RH (PERCENT) 73 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 1 LIGHT RAIN 7 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 7 FOG W/VIS <= 1/4 MILE 0 HAZE 1 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$