...at Islip Airport between midnight and 8 a.m http://pix11.com/2014/08/13/long-island-city-saturated-by-more-than-12-inches-of-rain/ Rain pelted Long Island throughout the night, at times falling at a rate of 4 to 5 inches per hour. These rainfall amounts were reported as of 9 a.m., when the rain began to taper off: Islip, NY: 13.10 in. Holbrook, NY 10.82 in. Ronkonkoma, NY 6.39 in. Bellmore, NY: 4.80 in. Manahawkin, NJ: 7.25 in. Point Pleasant, NJ: 5.90 in. Toms River, NJ: 4.39 in.