Climatological Report (Seasonal)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
000 CXUS51 KOKX 011440 CLSISP CLIMATE REPORT NATIONAL WEATHER SERVICE NEW YORK NY 1036 AM EDT SUN SEP 1 2019 ................................... ...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM 6/1/2019 TO 8/31/2019... 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 102 07/05/1999 LOW 42 06/01/2009 HIGHEST 99 07/21 MM MM LOWEST 46 06/04 MM MM AVG. MAXIMUM 82.0 79.6 2.4 AVG. MINIMUM 65.5 63.9 1.6 MEAN 73.8 71.7 2.1 DAYS MAX >= 90 8 4.3 3.7 DAYS MAX <= 32 0 0.0 0.0 DAYS MIN <= 32 0 0.0 0.0 DAYS MIN <= 0 0 0.0 0.0 PRECIPITATION (INCHES) RECORD MAXIMUM 22.31 1990 MINIMUM 3.74 2005 TOTALS 10.64 11.68 -1.04 12.94 DAILY AVG. 0.12 0.13 -0.01 DAYS >= .01 31 27.7 3.3 DAYS >= .10 22 17.5 4.5 DAYS >= .50 9 7.3 1.7 DAYS >= 1.00 1 3.0 -2.0 GREATEST 24 HR. TOTAL 1.85 MM STORM TOTAL MM (MM/DD(HH)) MM SNOWFALL (INCHES) RECORDS TOTAL T 2012 1999 24 HR TOTAL MM TOTALS 0.0 0.0 0.0 LIQUID EQUIV 0.00 0.00 0.00 SINCE 7/1 0.0 0.0 0.0 LIQUID 7/1 0.00 DAYS >= TRACE 0 0.0 0.0 DAYS >= 1.0 0 0.0 0.0 GREATEST SNOW DEPTH 0 MM 24 HR TOTAL 0.0 MM STORM TOTAL MM (MM/DD(HH)) MM DEGREE_DAYS HEATING TOTAL 18 42 -24 SINCE 7/1 2 5 -3 COOLING TOTAL 847 662 185 SINCE 1/1 874 686 188 .............................................................. WIND (MPH) AVERAGE WIND SPEED 7.9 HIGHEST WIND SPEED/DIRECTION 40/320 DATE 07/22 HIGHEST GUST SPEED/DIRECTION 54/330 DATE 06/30 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 24 AVERAGE RH (PERCENT) 74 WEATHER CONDITIONS. NUMBER OF DAYS WITH 0 10 0 0 0 0 10 HAZE 4 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$