condition mean min max 0 h after light 2.205475 0.0 4.41095 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 2.10773 0.0 4.21546 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0