condition mean min max 4 h after light 0.03042625 0.0 0.0608525 8 h after light 0.18278005 0.0993751 0.266185 12 h after light 0.604963 0.485474 0.724452 4 h after dark 0.320162 0.269038 0.371286 8 h after dark 0.224762 0.186062 0.263462 12 h after dark 0.263034 0.261682 0.264386