condition mean min max 0 h after light 13.3964 13.332 13.4608 2 h after light 7.377330000000001 6.3875 8.36716 4 h after light 7.99025 7.06182 8.91868 8 h after light 8.704515 7.78215 9.62688 12 h after light 9.70306 9.48115 9.92497 2 h after dark 11.942350000000001 11.8642 12.0205 4 h after dark 11.2142 10.4901 11.9383 8 h after dark 12.10515 10.2394 13.9709 12 h after dark 13.9997 13.8566 14.1428