condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.01046645 0.0 0.0209329 4 h after dark 0.01009825 0.0 0.0201965 8 h after dark 0.0 0.0 0.0 12 h after dark 0.01004455 0.0 0.0200891