condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 4 h after dark 0.0708235 0.0 0.141647 8 h after dark 0.0 0.0 0.0 12 h after dark 0.03508475 0.0 0.0701695