condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.24611333333333332 0.0 0.73834 8 h after dark 0.0 0.0 0.0 12 h after dark 0.2765646666666667 0.0 0.829694