condition mean min max 0 h after light 0.0482852 0.0 0.0965704 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 0.0 0.0 0.0 4 h after dark 0.04640835 0.0 0.0928167 8 h after dark 0.0 0.0 0.0 12 h after dark 0.051542 0.0 0.103084