condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0314999 0.0242481 0.0387517 12 h after light 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