condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 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 2 h after dark 0.04101815 0.0 0.0820363 4 h after dark 0.079484 0.0 0.158968 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0