Climatological Report (Seasonal)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
000 CXUS51 KOKX 031232 CLSISP NYCCLSISP 000 TTAA00 OKX 031219 CLIMATE REPORT NATIONAL WEATHER SERVICE NEW YORK, NY 832 AM EDT FRI SEP 03 2021 ................................... ...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM 6/1/2021 TO 8/31/2021... 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 104 07/03/1966 LOW 42 06/01/2009 06/03/1976 06/12/1972 HIGHEST 94 08/27 MM MM LOWEST 49 06/01 MM MM AVG. MAXIMUM 81.4 80.5 0.9 AVG. MINIMUM 66.0 64.7 1.3 MEAN 73.7 72.6 1.1 DAYS MAX >= 90 9 8.0 1.0 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 3.67 1966 TOTALS 13.35 11.50 1.85 9.96 DAILY AVG. 0.14 0.13 0.01 DAYS >= .01 31 28.1 2.9 DAYS >= .10 18 17.4 0.6 DAYS >= .50 8 7.0 1.0 DAYS >= 1.00 4 2.8 1.2 GREATEST 24 HR. TOTAL 2.26 07/08 TO 07/09 STORM TOTAL 2.16 (MM/DD(HH)) SNOWFALL (INCHES) RECORDS TOTAL T 2020 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 24 HR TOTAL 0.0 STORM TOTAL 0.0 (MM/DD(HH)) DEGREE DAYS HEATING TOTAL 11 33 -22 SINCE 7/1 3 1 2 COOLING TOTAL 839 735 104 SINCE 1/1 878 764 114 .............................................................. WIND (MPH) AVERAGE WIND SPEED 7.8 HIGHEST WIND SPEED/DIRECTION 38/030 DATE 07/09 HIGHEST GUST SPEED/DIRECTION 50/360 DATE 07/09 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.62 NUMBER OF DAYS FAIR 18 NUMBER OF DAYS PC 41 NUMBER OF DAYS CLOUDY 33 AVERAGE RH (PERCENT) 78 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 13 MIXED PRECIP 0 HEAVY RAIN 10 RAIN 15 LIGHT RAIN 44 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 47 FOG W/VIS <= 1/4 MILE 6 HAZE 4 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$