condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.8731833333333333 0.0 2.61955 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.9549966666666667 0.0 2.86499 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0