condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.113778 0.0 0.227556 4 h after light 0.0 0.0 0.0 8 h after light 0.104263 0.0 0.208526 12 h after light 0.2174655 0.203568 0.231363 2 h after dark 0.113436 0.0 0.226872 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