Climatological Report (Seasonal)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
000 CXUS51 KOKX 031410 CLSISP NYCCLSISP 000 TTAA00 OKX 031407 CLIMATE REPORT NATIONAL WEATHER SERVICE NEW YORK, NY 1006 AM EDT THU JUN 03 2021 ................................... ...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM 3/1/2021 TO 5/31/2021... 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 98 05/20/1996 LOW 0 03/19/1967 03/18/1967 HIGHEST 90 05/22 MM MM LOWEST 21 03/02 MM MM AVG. MAXIMUM 60.5 58.1 2.4 AVG. MINIMUM 41.5 41.3 0.2 MEAN 51.0 49.7 1.3 DAYS MAX >= 90 1 0.0 1.0 DAYS MAX <= 32 1 1.0 0.0 DAYS MIN <= 32 21 20.2 0.8 DAYS MIN <= 0 0 0.0 0.0 PRECIPITATION (INCHES) RECORD MAXIMUM 22.91 1998 MINIMUM 6.00 1995 TOTALS 12.87 11.85 1.02 9.99 DAILY AVG. 0.14 0.13 0.01 DAYS >= .01 28 33.7 -5.7 DAYS >= .10 22 20.7 1.3 DAYS >= .50 10 7.6 2.4 DAYS >= 1.00 6 2.8 3.2 GREATEST 24 HR. TOTAL 2.66 05/28 TO 05/29 STORM TOTAL 1.80 (MM/DD(HH)) SNOWFALL (INCHES) RECORDS TOTAL 36.5 2018 24 HR TOTAL 16.0 MM TOTALS T 7.1 -7.1 LIQUID EQUIV T 0.70 -0.70 SINCE 7/1 33.5 31.8 1.7 LIQUID 7/1 3.35 DAYS >= TRACE 4 3.0 1.0 DAYS >= 1.0 0 2.0 -2.0 GREATEST SNOW DEPTH 0 24 HR TOTAL MM STORM TOTAL 0.0 (MM/DD(HH)) DEGREE DAYS HEATING TOTAL 1305 1435 -130 SINCE 7/1 4825 5154 -329 COOLING TOTAL 39 29 10 SINCE 1/1 39 29 10 .............................................................. WIND (MPH) AVERAGE WIND SPEED 10.1 HIGHEST WIND SPEED/DIRECTION 39/300 DATE 03/14 HIGHEST GUST SPEED/DIRECTION 53/290 DATE 03/02 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.55 NUMBER OF DAYS FAIR 26 NUMBER OF DAYS PC 37 NUMBER OF DAYS CLOUDY 29 AVERAGE RH (PERCENT) 63 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 3 MIXED PRECIP 0 HEAVY RAIN 11 RAIN 18 LIGHT RAIN 36 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 4 SLEET 1 FOG 34 FOG W/VIS <= 1/4 MILE 8 HAZE 4 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$