condition mean min max 0 h after light 0.0428912 0.0 0.0857824 2 h after light 0.039913 0.0 0.079826 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0454793 0.0 0.0909586 2 h after dark 0.04101815 0.0 0.0820363 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0818035 0.0 0.163607