condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.046548 0.0 0.139644 9 h after light 0.023691833333333332 0.0 0.0710755 12 h after light 0.0369965 0.0 0.147986 3 h after dark 0.06846266666666666 0.0 0.205388 6 h after dark 0.0271145 0.0 0.0813435 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0