Climatological Report (Seasonal)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
000 CXUS51 KOKX 030139 CLSISP CLIMATE REPORT NATIONAL WEATHER SERVICE NEW YORK, NY 839 PM EST THU MAR 02 2023 ................................... ...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM 12/1/2022 TO 2/28/2023... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1963 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 77 12/07/1998 LOW -14 02/13/1967 HIGHEST 71 02/16 MM MM LOWEST 3 02/04 MM MM AVG. MAXIMUM 46.7 41.5 5.2 AVG. MINIMUM 30.7 26.7 4.0 MEAN 38.7 34.1 4.6 DAYS MAX >= 90 0 0.0 0.0 DAYS MAX <= 32 5 15.0 -10.0 DAYS MIN <= 32 54 68.0 -14.0 DAYS MIN <= 0 0 0.1 -0.1 PRECIPITATION (INCHES) RECORD MAXIMUM 22.25 1979 MINIMUM 5.38 2002 TOTALS 11.01 11.66 -0.65 10.35 DAILY AVG. 0.12 0.13 -0.01 DAYS >= .01 41 32.8 8.2 DAYS >= .10 24 20.5 3.5 DAYS >= .50 6 8.2 -2.2 DAYS >= 1.00 3 2.9 0.1 GREATEST 24 HR. TOTAL 1.79 12/06 TO 12/07 STORM TOTAL 1.33 (MM/DD(HH)) SNOWFALL (INCHES) RECORDS TOTAL 57.8 2014 24 HR TOTAL MM TOTALS 3.4 24.2 -20.8 LIQUID EQUIV 0.30 2.40 -2.10 SINCE 7/1 3.4 24.7 -21.3 LIQUID 7/1 0.34 DAYS >= TRACE 14 10.0 4.0 DAYS >= 1.0 1 6.0 -5.0 GREATEST SNOW DEPTH 3 02/28 24 HR TOTAL 2.7 STORM TOTAL 2.7 (MM/DD(HH)) DEGREE DAYS HEATING TOTAL 2347 2780 -433 SINCE 7/1 3139 3719 -580 COOLING TOTAL 0 0 0 SINCE 1/1 0 0 0 .............................................................. WIND (MPH) AVERAGE WIND SPEED 9.8 HIGHEST WIND SPEED/DIRECTION 40/130 DATE 12/23 40/320 02/03 HIGHEST GUST SPEED/DIRECTION 52/140 DATE 12/23 52/290 02/03 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.60 NUMBER OF DAYS FAIR 19 NUMBER OF DAYS PC 42 NUMBER OF DAYS CLOUDY 29 AVERAGE RH (PERCENT) 70 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 3 MIXED PRECIP 1 HEAVY RAIN 3 RAIN 16 LIGHT RAIN 42 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 1 LIGHT SNOW 13 SLEET 3 FOG 43 FOG W/VIS <= 1/4 MILE 6 HAZE 3 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$