condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.13382235 0.0872687 0.180376 8 h after light 0.0901005 0.0 0.180201 4 h after dark 0.1305676 0.0872742 0.173861 8 h after dark 0.043587 0.0 0.087174 12 h after dark 0.0874311 0.0864684 0.0883938