condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.036360666666666666 0.0 0.109082 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.051466 0.0 0.102932