condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.2287525 0.0 0.457505 12 h after light 0.197432 0.0 0.394864 2 h after dark 0.0 0.0 0.0 4 h after dark 0.1844425 0.0 0.368885 8 h after dark 0.0 0.0 0.0 12 h after dark 0.1735705 0.0 0.347141