condition mean min max 0 h after light 0.139516 0.0 0.279032 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.1338405 0.0 0.267681 12 h after light 0.0 0.0 0.0 2 h after dark 0.1334235 0.0 0.266847 4 h after dark 0.2491215 0.0 0.498243 8 h after dark 0.2915365 0.0 0.583073 12 h after dark 0.138339 0.0 0.276678