condition mean min max 0 h after light 0.0482852 0.0 0.0965704 2 h after light 0.102581 0.096742 0.10842 4 h after light 0.04733065 0.0 0.0946613 8 h after light 0.0496766 0.0 0.0993532 12 h after light 0.2204675 0.0 0.440935 2 h after dark 0.153468 0.108094 0.198842 4 h after dark 0.4194307 0.0963274 0.742534 8 h after dark 0.2657415 0.217239 0.314244 12 h after dark 0.253764 0.198277 0.309251