condition mean min max 0 h after light 34.1466 23.8969 44.3963 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 16.405 10.6677 22.1423 8 h after dark 6.24195 0.0 12.4839 12 h after dark 17.3181 11.8477 22.7885