condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 2.0125295 0.974909 3.05015 12 h after light 1.26356 0.0 2.52712 4 h after dark 1.4446966666666665 0.0 4.33409 8 h after dark 0.0 0.0 0.0 12 h after dark 1.3705533333333333 0.0 2.4494