condition mean min max 0 h after light 0.282985 0.0 0.56597 4 h after light 0.464184 0.0 0.928368 8 h after light 0.093157 0.0 0.186314 4 h after dark 0.0924775 0.0 0.184955 8 h after dark 0.2797715 0.185472 0.374071 12 h after dark 0.0919855 0.0 0.183971