condition mean min max 4 h after light 2.04732 1.95194 2.1427 8 h after light 1.870065 1.62507 2.11506 12 h after light 2.14389 1.80244 2.48534 4 h after dark 4.0820099999999995 3.66958 4.49515 8 h after dark 3.178193333333333 2.61454 3.90367 12 h after dark 1.6551099999999999 0.0 2.85803