condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.00698 0.0 0.01396 12 h after light 0.0050897 0.0 0.0101794 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