condition mean min max 2 h after light 1.980965 1.28018 2.81092 6 h after light 0.8326635 0.234402 2.04176 10 h after light 1.9379116666666667 1.40555 2.67388 14 h after light 1.281787 0.0 2.05818 18 h after light 1.5401323333333332 0.0 4.15701 2 h after dark 1.5432746666666666 0.726458 2.17456