condition mean min max 4 h after light 0.740027 0.412304 1.06775 8 h after light 0.622628 0.504718 0.740538 12 h after light 1.1138525000000001 0.964505 1.2632 4 h after dark 1.8433266666666668 1.61224 2.10624 8 h after dark 1.5471133333333333 1.22723 1.74275 12 h after dark 1.1605693333333333 0.883338 1.46148