condition mean min max 0 h after light 0.0084167 0.0 0.0168334 2 h after light 0.0 0.0 0.0 4 h after light 0.0082503 0.0 0.0165006 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 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