condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.273745 0.0 0.821235 9 h after light 0.0 0.0 0.0 12 h after light 1.1226945000000002 0.0 2.28684 3 h after dark 0.0 0.0 0.0 6 h after dark 0.7560140000000001 0.0 1.33702 9 h after dark 0.631458 0.0 1.20793 12 h after dark 0.925355 0.0 1.85071