CXUS51 KOKX 011348 RRA CLMISP CLIMATE REPORT NATIONAL WEATHER SERVICE NEW YORK, NY 942 AM EDT WED MAY 01 2024 ................................... ...THE ISLIP NY CLIMATE SUMMARY FOR THE MONTH OF APRIL 2024... 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 94 04/17/2002 LOW 16 04/01/1969 HIGHEST 82 04/29 MM MM 84 04/13 04/14 LOWEST 33 04/26 MM MM 29 04/03 AVG. MAXIMUM 58.7 58.3 0.4 62.2 AVG. MINIMUM 42.4 41.2 1.2 44.4 MEAN 50.5 49.7 0.8 53.3 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 3.3 -3.3 1 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 9.09 1983 MINIMUM 0.98 1978 TOTALS 3.45 4.06 -0.61 4.02 DAILY AVG. 0.12 0.14 -0.02 0.13 DAYS >= .01 12 11.3 0.7 9 DAYS >= .10 7 6.8 0.2 5 DAYS >= .50 2 2.5 -0.5 3 DAYS >= 1.00 1 1.0 0.0 2 GREATEST 24 HR. TOTAL 1.42 04/03 TO 04/04 1.87 04/28 TO 04/29 STORM TOTAL 1.32 1.77 (MM/DD(HH)) MM SNOWFALL (INCHES) RECORDS TOTAL 16.0 1982 24 HR TOTAL 16.0 MM TOTALS 0.0 0.6 -0.6 0.0 LIQUID EQUIV 0.00 0.00 0.00 0.00 SINCE 7/1 10.9 31.8 -20.9 MM LIQUID 7/1 1.09 3.10 -2.01 MM DAYS >= TRACE 0 0.3 -0.3 0 DAYS >= 1.0 0 0.2 -0.2 0 GREATEST SNOW DEPTH 0 0 MM 24 HR TOTAL MM MM STORM TOTAL 0.0 0.0 (MM/DD(HH)) MM DEGREE DAYS HEATING TOTAL 434 460 -26 356 SINCE 7/1 4364 4959 -595 MM COOLING TOTAL 4 2 2 12 SINCE 1/1 4 2 2 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 10.2 HIGHEST WIND SPEED/DIRECTION 35/080 DATE 04/03 HIGHEST GUST SPEED/DIRECTION 53/060 DATE 04/03 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.65 NUMBER OF DAYS FAIR 4 NUMBER OF DAYS PC 15 NUMBER OF DAYS CLOUDY 11 AVERAGE RH (PERCENT) 68 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 3 MIXED PRECIP 0 HEAVY RAIN 4 RAIN 5 LIGHT RAIN 14 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 10 FOG W/VIS <= 1/4 MILE 1 HAZE 3 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$