condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.3763435 0.0 0.752687 4 h after light 0.164292 0.0 0.328584 8 h after light 0.0 0.0 0.0 12 h after light 0.3826385 0.0 0.765277 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.1817985 0.0 0.363597 12 h after dark 0.86716 0.35782 1.3765