Climatological Report (Annual)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
158 CXUS51 KOKX 021428 CLAISP CLIMATE REPORT NATIONAL WEATHER SERVICE NEW YORK, NY 912 AM EST TUE JAN 02 2024 ................................... ...THE ISLIP NY CLIMATE SUMMARY FOR THE YEAR OF 2023... 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 104 07/03/1966 LOW -14 02/13/1967 HIGHEST 92 09/06 MM MM 95 07/20 09/07 LOWEST 3 02/04 MM MM 6 01/30 01/31 AVG. MAXIMUM 63.5 61.1 2.4 62.9 AVG. MINIMUM 47.2 45.2 2.0 45.8 MEAN 55.4 53.1 2.3 54.3 DAYS MAX >= 90 5 8.3 -3.3 13 DAYS MAX <= 32 2 16.4 -14.4 17 DAYS MIN <= 32 72 98.3 -26.3 95 DAYS MIN <= 0 0 0.1 -0.1 0 PRECIPITATION (INCHES) RECORD MAXIMUM 65.32 1989 MINIMUM MM MM TOTALS 50.19 45.99 4.20 39.61 DAILY AVG. 0.14 0.13 0.01 0.11 DAYS >= .01 128 122.0 6.0 114 DAYS >= .10 80 75.7 4.3 71 DAYS >= .50 28 30.6 -2.6 27 DAYS >= 1.00 17 11.5 5.5 5 GREATEST 24 HR. TOTAL 4.65 1.79 12/06 TO 12/07 STORM TOTAL 4.65 1.63 (MM/DD(HH)) MM SNOWFALL (INCHES) RECORDS TOTAL 71.0 1978 24 HR TOTAL MM SNOW DEPTH 26 02/09/1978 02/08/1978 TOTALS 4.6 31.8 -27.2 37.1 LIQUID EQUIV 0.50 3.10 -2.60 3.70 SINCE 7/1 T 5.0 -5.0 MM LIQUID 7/1 -0.10 0.50 -0.60 MM SNOWDEPTH AVG. 0 0 DAYS >= TRACE 19 13.4 5.6 10 DAYS >= 1.0 2 7.9 -5.9 2 GREATEST SNOW DEPTH 3 02/28 24 01/30 24 HR TOTAL 3.0 MM 0.0 STORM TOTAL 1.8 23.2 (MM/DD(HH)) MM DEGREE DAYS HEATING TOTAL 4352 5183 -831 4904 SINCE 7/1 1587 1803 -216 MM COOLING TOTAL 955 885 70 1136 SINCE 1/1 955 885 70 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 8.7 RESULTANT WIND SPEED/DIRECTION 2/280 HIGHEST WIND SPEED/DIRECTION 40/320 DATE 02/03 HIGHEST GUST SPEED/DIRECTION 52/290 DATE 02/03 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.58 NUMBER OF DAYS FAIR 81 NUMBER OF DAYS PC 178 NUMBER OF DAYS CLOUDY 106 AVERAGE RH (PERCENT) 71 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 27 MIXED PRECIP 0 HEAVY RAIN 35 RAIN 55 LIGHT RAIN 155 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 1 HEAVY SNOW 1 SNOW 2 LIGHT SNOW 16 SLEET 5 FOG 163 FOG W/VIS <= 1/4 MILE 33 HAZE 22 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$