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 0.03143065 0.0 0.0628613 8 h after light 0.03182475 0.0 0.0636495 12 h after light 0.0 0.0 0.0 2 h after dark 0.0318464 0.0 0.0636928 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